{ "contractName": "MYTC", "abi": [ { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "spender", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "spender", "type": "address" } ], "name": "allowance", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "approve", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "burn", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "burnFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "decimals", "outputs": [ { "internalType": "uint8", "name": "", "type": "uint8" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "subtractedValue", "type": "uint256" } ], "name": "decreaseAllowance", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "addedValue", "type": "uint256" } ], "name": "increaseAllowance", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "name", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "symbol", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "totalSupply", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "recipient", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "transfer", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "sender", "type": "address" }, { "internalType": "address", "name": "recipient", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "transferFrom", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.0+commit.c7dfd78e\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"burn\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"burnFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"subtractedValue\",\"type\":\"uint256\"}],\"name\":\"decreaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"addedValue\",\"type\":\"uint256\"}],\"name\":\"increaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"allowance(address,address)\":{\"details\":\"See {IERC20-allowance}.\"},\"approve(address,uint256)\":{\"details\":\"See {IERC20-approve}. Requirements: - `spender` cannot be the zero address.\"},\"balanceOf(address)\":{\"details\":\"See {IERC20-balanceOf}.\"},\"burn(uint256)\":{\"details\":\"Destroys `amount` tokens from the caller. See {ERC20-_burn}.\"},\"burnFrom(address,uint256)\":{\"details\":\"Destroys `amount` tokens from `account`, deducting from the caller's allowance. See {ERC20-_burn} and {ERC20-allowance}. Requirements: - the caller must have allowance for ``accounts``'s tokens of at least `amount`.\"},\"decimals()\":{\"details\":\"Returns the number of decimals used to get its user representation. For example, if `decimals` equals `2`, a balance of `505` tokens should be displayed to a user as `5,05` (`505 / 10 ** 2`). Tokens usually opt for a value of 18, imitating the relationship between Ether and Wei. This is the value {ERC20} uses, unless this function is overridden; NOTE: This information is only used for _display_ purposes: it in no way affects any of the arithmetic of the contract, including {IERC20-balanceOf} and {IERC20-transfer}.\"},\"decreaseAllowance(address,uint256)\":{\"details\":\"Atomically decreases the allowance granted to `spender` by the caller. This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {Approval} event indicating the updated allowance. Requirements: - `spender` cannot be the zero address. - `spender` must have allowance for the caller of at least `subtractedValue`.\"},\"increaseAllowance(address,uint256)\":{\"details\":\"Atomically increases the allowance granted to `spender` by the caller. This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {Approval} event indicating the updated allowance. Requirements: - `spender` cannot be the zero address.\"},\"name()\":{\"details\":\"Returns the name of the token.\"},\"symbol()\":{\"details\":\"Returns the symbol of the token, usually a shorter version of the name.\"},\"totalSupply()\":{\"details\":\"See {IERC20-totalSupply}.\"},\"transfer(address,uint256)\":{\"details\":\"See {IERC20-transfer}. Requirements: - `recipient` cannot be the zero address. - the caller must have a balance of at least `amount`.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"See {IERC20-transferFrom}. Emits an {Approval} event indicating the updated allowance. This is not required by the EIP. See the note at the beginning of {ERC20}. Requirements: - `sender` and `recipient` cannot be the zero address. - `sender` must have a balance of at least `amount`. - the caller must have allowance for ``sender``'s tokens of at least `amount`.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"/F/Assignment/aibcccc/AIBC/contracts/CommunityContract.sol\":\"MYTC\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"/F/Assignment/aibcccc/AIBC/contracts/CommunityContract.sol\":{\"keccak256\":\"0xdb3d3cdf782bd48ae3afe1e9e3928f7c1d6af9ad20cad1bddfdac07e493e627c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://dfec2d79454d8d8fec72ce5b5ad3b0a1550e3a44916372b4ba35853c7116008b\",\"dweb:/ipfs/Qme3inDHSEvZanQNEVevu2YL4SC9GToRmX3EsufgcJmSdx\"]},\"/F/Assignment/aibcccc/AIBC/contracts/GenesisContract.sol\":{\"keccak256\":\"0x995e65aa8e960974ebf4c61793aede5f9ae27ae31fbb28f33c2a20621a4690a8\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://f8164150228a476ef2579926531d3e5737f2b58737e9b68a04f700b56e0e90fb\",\"dweb:/ipfs/QmYi1mpyzSNEURQXJgTb4hmMPAMi6e1zZoDYjzfUNCSREC\"]},\"@openzeppelin/contracts/token/ERC721/ERC721.sol\":{\"keccak256\":\"0x8d1cabca557cb77d97d801d674f0dacc33659e1430cdd34f91ae5d033fc3d93f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://379879e94763b61c652f914da987a603fb1fec35645a1d6b8022413cf1c3a467\",\"dweb:/ipfs/QmVkFoHVN6XWztbJDHrWfMCRPV4QsbFGj6QPZYeMjQRfhr\"]},\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0xc1c941ad1e580b4623007305921efe2f26fc7320a4edc226234dd707c658a428\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://473e11d739868e0d9f48254ccf84ba63290d6a2321d59a37b74c244a27f9cad7\",\"dweb:/ipfs/QmUGzDmecP936jzgM7SYyGwR1YgBGsveoHHJTbDfB8jbGF\"]},\"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\":{\"keccak256\":\"0x96877bb2eb8ca360e949ee1bd77b47a14e92e42f79897c350f088f87a3c231d4\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://48593d699a4ef6b5bd2efb20d37320e69303fd27d4b59a2b6b8a8e563e608456\",\"dweb:/ipfs/QmdAPS8uLrzPJEeFZyJVkwTtaL3KB9jo9wJm1UcoJP55wT\"]},\"@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol\":{\"keccak256\":\"0xd03f5c3d258a9b0f751a3246e0802106585561ab5909b808368759364fc786f8\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://e89e3562a13d6acd5c6c0ce1c657f1ea1b472878c30a2f88528e721f2d3b4117\",\"dweb:/ipfs/QmToL4MkNtn4BFipo6neazAsXwpcUxxhBBCkA6yVSLUAe9\"]},\"@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol\":{\"keccak256\":\"0xccb7e6475afcb1c5cb13b3fbf1329c10b93620a9b66393388066683915271a78\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://df5776161e3226ac31bfb919dfe5f42e173a08293fadb4ffa90ffb55e76869d7\",\"dweb:/ipfs/QmXtKfvWj1v6oha8urbnw4RmjSpmQjZsGGqK5qk5trK4nH\"]},\"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\":{\"keccak256\":\"0xb8d11e77eb1ed34a33720edb551d7d6a6b0eee2bfaa40a7024020e1fdf879b16\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://c583283c838cc624a96a69eaa823fa92ac5294ec88d417e266c09ea091e0ae62\",\"dweb:/ipfs/QmNdzitXaFADaxooWpB4WsckkDyr4j6GQRxBjyKXsvEeXv\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0x069b2631bb5b5193a58ccf7a06266c7361bd2c20095667af4402817605627f45\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6a4c96fafff76deda5697c3c5c98cade6e6e1b178254544c106bf360c079ce4e\",\"dweb:/ipfs/QmXmxubE3jnatFgZuN8ay1VV6hZ8WRmhvUjNpeVjki15HX\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0xf930d2df426bfcfc1f7415be724f04081c96f4fb9ec8d0e3a521c07692dface0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://fc2bfdea0d2562c76fb3c4cf70a86c6ba25c5a30e8f8515c95aafdf8383f8395\",\"dweb:/ipfs/QmTbFya18786ckJfLYUoWau9jBTKfmWnWm5XSViWvB7PXN\"]},\"@openzeppelin/contracts/utils/Counters.sol\":{\"keccak256\":\"0x62d306ff0499a11913bc60b5939eec619509b5c67b30e86ebf8b8bda0b7a7fee\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6712ca27a06062db31465b1470e6207553553a9bb0b4358d918b35bdae5b4ffe\",\"dweb:/ipfs/QmZ92pU9DJ3h1qREMFvDQhArSy6fh6zA983NeLFHRs1qKJ\"]},\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0x456e9b3a2bfe189b5249857f624f4139e59331db518483b456c4e587a20552e0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://1123c9545decc48a011370ebab4bf53dda98524fa21f9498e68851ba8f0ffc0f\",\"dweb:/ipfs/QmUpgMg8EFDnv87ePKUjXxXpJT3qwHRj9VDNSnRxu7T9sy\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0x5718c5df9bd67ac68a796961df938821bb5dc0cd4c6118d77e9145afb187409b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d10e1d9b26042424789246603906ad06143bf9a928f4e99de8b5e3bdc662f549\",\"dweb:/ipfs/Qmejonoaj5MLekPus229rJQHcC6E9dz2xorjHJR84fMfmn\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0xa28007762d9da9db878dd421960c8cb9a10471f47ab5c1b3309bfe48e9e79ff4\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://796ab6e88af7bf0e78def0f059310c903af6a312b565344e0ff524a0f26e81c6\",\"dweb:/ipfs/QmcsVgLgzWdor3UnAztUkXKNGcysm1MPneWksF72AvnwBx\"]}},\"version\":1}", 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}, "contents": "{\n\n function abi_encode_t_stringliteral_fc0b381caf0a47702017f3c4b358ebe3d3aff6c60ce819a8bf3ef5a95d4f202e_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 31)\n\n mstore(add(pos, 0), \"ERC20: mint to the zero address\")\n\n end := add(pos, 32)\n }\n\n function abi_encode_t_uint256_to_t_uint256_fromStack(value, pos) {\n mstore(pos, cleanup_t_uint256(value))\n }\n\n function abi_encode_tuple_t_stringliteral_fc0b381caf0a47702017f3c4b358ebe3d3aff6c60ce819a8bf3ef5a95d4f202e__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_fc0b381caf0a47702017f3c4b358ebe3d3aff6c60ce819a8bf3ef5a95d4f202e_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart , value0) -> tail {\n tail := add(headStart, 32)\n\n 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"name": "length", "nodeType": "YulIdentifier", "src": "13706:6:17" } ] } ] }, "condition": { "arguments": [ { "name": "outOfPlaceEncoding", "nodeType": "YulIdentifier", "src": "13672:18:17" } ], "functionName": { "name": "iszero", "nodeType": "YulIdentifier", "src": "13665:6:17" }, "nodeType": "YulFunctionCall", "src": "13665:26:17" }, "nodeType": "YulIf", "src": "13662:2:17" }, { "body": { "nodeType": "YulBlock", "src": "13795:42:17", "statements": [ { "expression": { "arguments": [], "functionName": { "name": "panic_error_0x22", "nodeType": "YulIdentifier", "src": "13809:16:17" }, "nodeType": "YulFunctionCall", "src": "13809:18:17" }, "nodeType": "YulExpressionStatement", "src": "13809:18:17" } ] }, "condition": { "arguments": [ { "name": "outOfPlaceEncoding", "nodeType": "YulIdentifier", "src": "13759:18:17" }, { "arguments": [ { "name": "length", "nodeType": "YulIdentifier", "src": "13782:6:17" }, { "kind": "number", "nodeType": "YulLiteral", "src": "13790:2:17", "type": "", "value": "32" } ], "functionName": { "name": "lt", "nodeType": "YulIdentifier", "src": "13779:2:17" }, "nodeType": "YulFunctionCall", "src": "13779:14:17" } ], "functionName": { "name": "eq", "nodeType": "YulIdentifier", "src": "13756:2:17" }, "nodeType": "YulFunctionCall", "src": "13756:38:17" }, "nodeType": "YulIf", "src": "13753:2:17" } ] }, "name": "extract_byte_array_length", "nodeType": "YulFunctionDefinition", "parameters": [ { "name": "data", "nodeType": "YulTypedName", "src": "13558:4:17", "type": "" } ], "returnVariables": [ { "name": "length", "nodeType": "YulTypedName", "src": "13567:6:17", "type": "" } ], "src": "13523:320:17" }, { "body": { "nodeType": "YulBlock", "src": "13877:152:17", "statements": [ { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "13894:1:17", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "13897:77:17", "type": "", "value": "35408467139433450592217433187231851964531694900788300625387963629091585785856" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "13887:6:17" }, "nodeType": "YulFunctionCall", "src": "13887:88:17" }, "nodeType": "YulExpressionStatement", "src": "13887:88:17" }, { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "13991:1:17", "type": "", "value": "4" }, { "kind": "number", "nodeType": "YulLiteral", "src": "13994:4:17", "type": "", "value": "0x11" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "13984:6:17" }, "nodeType": "YulFunctionCall", "src": "13984:15:17" }, "nodeType": "YulExpressionStatement", "src": "13984:15:17" }, { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "14015:1:17", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "14018:4:17", "type": "", "value": "0x24" } ], "functionName": { "name": "revert", "nodeType": "YulIdentifier", "src": "14008:6:17" }, "nodeType": "YulFunctionCall", "src": "14008:15:17" }, "nodeType": "YulExpressionStatement", "src": "14008:15:17" } ] }, "name": "panic_error_0x11", "nodeType": "YulFunctionDefinition", "src": "13849:180:17" }, { "body": { "nodeType": "YulBlock", "src": "14063:152:17", "statements": [ { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "14080:1:17", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "14083:77:17", "type": "", "value": "35408467139433450592217433187231851964531694900788300625387963629091585785856" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "14073:6:17" }, "nodeType": "YulFunctionCall", "src": "14073:88:17" }, "nodeType": "YulExpressionStatement", "src": "14073:88:17" }, { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "14177:1:17", "type": "", "value": "4" }, { "kind": "number", "nodeType": "YulLiteral", "src": "14180:4:17", "type": "", "value": "0x22" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "14170:6:17" }, "nodeType": "YulFunctionCall", "src": "14170:15:17" }, "nodeType": "YulExpressionStatement", "src": "14170:15:17" }, { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "14201:1:17", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "14204:4:17", "type": "", "value": "0x24" } ], "functionName": { "name": "revert", "nodeType": "YulIdentifier", "src": "14194:6:17" }, "nodeType": "YulFunctionCall", "src": "14194:15:17" }, "nodeType": "YulExpressionStatement", "src": "14194:15:17" } ] }, "name": "panic_error_0x22", "nodeType": "YulFunctionDefinition", "src": "14035:180:17" }, { "body": { "nodeType": "YulBlock", "src": "14269:54:17", "statements": [ { "nodeType": "YulAssignment", "src": "14279:38:17", "value": { "arguments": [ { "arguments": [ { "name": "value", "nodeType": "YulIdentifier", "src": "14297:5:17" }, { "kind": "number", "nodeType": "YulLiteral", "src": "14304:2:17", "type": "", "value": "31" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "14293:3:17" }, "nodeType": "YulFunctionCall", "src": "14293:14:17" }, { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "14313:2:17", "type": "", "value": "31" } ], "functionName": { "name": "not", "nodeType": "YulIdentifier", "src": "14309:3:17" }, "nodeType": "YulFunctionCall", "src": "14309:7:17" } ], "functionName": { "name": "and", "nodeType": "YulIdentifier", "src": "14289:3:17" }, "nodeType": "YulFunctionCall", "src": "14289:28:17" }, "variableNames": [ { "name": "result", "nodeType": "YulIdentifier", "src": "14279:6:17" } ] } ] }, "name": "round_up_to_mul_of_32", "nodeType": "YulFunctionDefinition", "parameters": [ { "name": "value", "nodeType": "YulTypedName", "src": "14252:5:17", "type": "" } ], "returnVariables": [ { "name": "result", "nodeType": "YulTypedName", "src": "14262:6:17", "type": "" } ], "src": "14221:102:17" }, { "body": { "nodeType": "YulBlock", "src": "14372:79:17", "statements": [ { "body": { "nodeType": "YulBlock", "src": "14429:16:17", "statements": [ { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "14438:1:17", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "14441:1:17", "type": "", "value": "0" } ], "functionName": { "name": "revert", "nodeType": "YulIdentifier", "src": "14431:6:17" }, "nodeType": "YulFunctionCall", "src": "14431:12:17" }, "nodeType": "YulExpressionStatement", "src": "14431:12:17" } ] }, "condition": { "arguments": [ { "arguments": [ { "name": "value", "nodeType": "YulIdentifier", "src": "14395:5:17" }, { "arguments": [ { "name": "value", "nodeType": "YulIdentifier", "src": "14420:5:17" } ], "functionName": { "name": "cleanup_t_address", "nodeType": "YulIdentifier", "src": "14402:17:17" }, "nodeType": "YulFunctionCall", "src": "14402:24:17" } ], "functionName": { "name": "eq", "nodeType": "YulIdentifier", "src": "14392:2:17" }, "nodeType": "YulFunctionCall", "src": "14392:35:17" } ], "functionName": { "name": "iszero", "nodeType": "YulIdentifier", "src": "14385:6:17" }, "nodeType": "YulFunctionCall", "src": "14385:43:17" }, "nodeType": "YulIf", "src": "14382:2:17" } ] }, "name": "validator_revert_t_address", "nodeType": "YulFunctionDefinition", "parameters": [ { "name": "value", "nodeType": "YulTypedName", "src": "14365:5:17", "type": "" } ], "src": "14329:122:17" }, { "body": { "nodeType": "YulBlock", "src": "14500:79:17", "statements": [ { "body": { "nodeType": "YulBlock", "src": "14557:16:17", "statements": [ { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "14566:1:17", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "14569:1:17", "type": "", "value": "0" } ], "functionName": { "name": "revert", "nodeType": "YulIdentifier", "src": "14559:6:17" }, "nodeType": "YulFunctionCall", "src": "14559:12:17" }, "nodeType": "YulExpressionStatement", "src": "14559:12:17" } ] }, "condition": { "arguments": [ { "arguments": [ { "name": "value", "nodeType": "YulIdentifier", "src": "14523:5:17" }, { "arguments": [ { "name": "value", "nodeType": "YulIdentifier", "src": "14548:5:17" } ], "functionName": { "name": "cleanup_t_uint256", "nodeType": "YulIdentifier", "src": "14530:17:17" }, "nodeType": "YulFunctionCall", "src": "14530:24:17" } ], "functionName": { "name": "eq", "nodeType": "YulIdentifier", "src": "14520:2:17" }, "nodeType": "YulFunctionCall", "src": "14520:35:17" } ], "functionName": { "name": "iszero", "nodeType": "YulIdentifier", "src": "14513:6:17" }, "nodeType": "YulFunctionCall", "src": "14513:43:17" }, "nodeType": "YulIf", "src": "14510:2:17" } ] }, "name": "validator_revert_t_uint256", "nodeType": "YulFunctionDefinition", "parameters": [ { "name": "value", "nodeType": "YulTypedName", "src": "14493:5:17", "type": "" } ], "src": "14457:122:17" } ] }, "contents": "{\n\n function abi_decode_t_address(offset, end) -> value {\n value := calldataload(offset)\n validator_revert_t_address(value)\n }\n\n function abi_decode_t_uint256(offset, end) -> value {\n value := calldataload(offset)\n validator_revert_t_uint256(value)\n }\n\n function abi_decode_tuple_t_address(headStart, dataEnd) -> value0 {\n if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n {\n\n let offset := 0\n\n value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n }\n\n }\n\n function abi_decode_tuple_t_addresst_address(headStart, dataEnd) -> value0, value1 {\n if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n {\n\n let offset := 0\n\n value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n }\n\n {\n\n let offset := 32\n\n value1 := abi_decode_t_address(add(headStart, offset), dataEnd)\n }\n\n }\n\n function abi_decode_tuple_t_addresst_addresst_uint256(headStart, dataEnd) -> value0, value1, value2 {\n if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n\n {\n\n let offset := 0\n\n value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n }\n\n {\n\n let offset := 32\n\n value1 := abi_decode_t_address(add(headStart, offset), dataEnd)\n }\n\n {\n\n let offset := 64\n\n value2 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n }\n\n }\n\n function abi_decode_tuple_t_addresst_uint256(headStart, dataEnd) -> value0, value1 {\n if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n {\n\n let offset := 0\n\n value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n }\n\n {\n\n let offset := 32\n\n value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n }\n\n }\n\n function abi_decode_tuple_t_uint256(headStart, dataEnd) -> value0 {\n if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n {\n\n let offset := 0\n\n value0 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n }\n\n }\n\n function abi_encode_t_bool_to_t_bool_fromStack(value, pos) {\n mstore(pos, cleanup_t_bool(value))\n }\n\n function abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value, pos) -> end {\n let length := array_length_t_string_memory_ptr(value)\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length)\n copy_memory_to_memory(add(value, 0x20), pos, length)\n end := add(pos, round_up_to_mul_of_32(length))\n }\n\n function abi_encode_t_stringliteral_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 35)\n\n mstore(add(pos, 0), \"ERC20: transfer to the zero addr\")\n\n mstore(add(pos, 32), \"ess\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_149b126e7125232b4200af45303d04fba8b74653b1a295a6a561a528c33fefdd_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 34)\n\n mstore(add(pos, 0), \"ERC20: burn amount exceeds balan\")\n\n mstore(add(pos, 32), \"ce\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 34)\n\n mstore(add(pos, 0), \"ERC20: approve to the zero addre\")\n\n mstore(add(pos, 32), \"ss\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 38)\n\n mstore(add(pos, 0), \"ERC20: transfer amount exceeds b\")\n\n mstore(add(pos, 32), \"alance\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 40)\n\n mstore(add(pos, 0), \"ERC20: transfer amount exceeds a\")\n\n mstore(add(pos, 32), \"llowance\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_a287c363786607a1457a2d9d12fa61c0073358e02d76b4035fc2c2d86a19c0db_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 36)\n\n mstore(add(pos, 0), \"ERC20: burn amount exceeds allow\")\n\n mstore(add(pos, 32), \"ance\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 33)\n\n mstore(add(pos, 0), \"ERC20: burn from the zero addres\")\n\n mstore(add(pos, 32), \"s\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 37)\n\n mstore(add(pos, 0), \"ERC20: transfer from the zero ad\")\n\n mstore(add(pos, 32), \"dress\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 36)\n\n mstore(add(pos, 0), \"ERC20: approve from the zero add\")\n\n mstore(add(pos, 32), \"ress\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 37)\n\n mstore(add(pos, 0), \"ERC20: decreased allowance below\")\n\n mstore(add(pos, 32), \" zero\")\n\n end := add(pos, 64)\n }\n\n function abi_encode_t_uint256_to_t_uint256_fromStack(value, pos) {\n mstore(pos, cleanup_t_uint256(value))\n }\n\n function abi_encode_t_uint8_to_t_uint8_fromStack(value, pos) {\n mstore(pos, cleanup_t_uint8(value))\n }\n\n function abi_encode_tuple_t_bool__to_t_bool__fromStack_reversed(headStart , value0) -> tail {\n tail := add(headStart, 32)\n\n abi_encode_t_bool_to_t_bool_fromStack(value0, add(headStart, 0))\n\n }\n\n function abi_encode_tuple_t_string_memory_ptr__to_t_string_memory_ptr__fromStack_reversed(headStart , value0) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value0, tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_149b126e7125232b4200af45303d04fba8b74653b1a295a6a561a528c33fefdd__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_149b126e7125232b4200af45303d04fba8b74653b1a295a6a561a528c33fefdd_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_a287c363786607a1457a2d9d12fa61c0073358e02d76b4035fc2c2d86a19c0db__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_a287c363786607a1457a2d9d12fa61c0073358e02d76b4035fc2c2d86a19c0db_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart , value0) -> tail {\n tail := add(headStart, 32)\n\n abi_encode_t_uint256_to_t_uint256_fromStack(value0, add(headStart, 0))\n\n }\n\n function abi_encode_tuple_t_uint8__to_t_uint8__fromStack_reversed(headStart , value0) -> tail {\n tail := add(headStart, 32)\n\n abi_encode_t_uint8_to_t_uint8_fromStack(value0, add(headStart, 0))\n\n }\n\n function array_length_t_string_memory_ptr(value) -> length {\n\n length := mload(value)\n\n }\n\n function array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length) -> updated_pos {\n mstore(pos, length)\n updated_pos := add(pos, 0x20)\n }\n\n function checked_add_t_uint256(x, y) -> sum {\n x := cleanup_t_uint256(x)\n y := cleanup_t_uint256(y)\n\n // overflow, if x > (maxValue - y)\n if gt(x, sub(0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, y)) { panic_error_0x11() }\n\n sum := add(x, y)\n }\n\n function checked_sub_t_uint256(x, y) -> diff {\n x := cleanup_t_uint256(x)\n y := cleanup_t_uint256(y)\n\n if lt(x, y) { panic_error_0x11() }\n\n diff := sub(x, y)\n }\n\n function cleanup_t_address(value) -> cleaned {\n cleaned := cleanup_t_uint160(value)\n }\n\n function cleanup_t_bool(value) -> cleaned {\n cleaned := iszero(iszero(value))\n }\n\n function cleanup_t_uint160(value) -> cleaned {\n cleaned := and(value, 0xffffffffffffffffffffffffffffffffffffffff)\n }\n\n function cleanup_t_uint256(value) -> cleaned {\n cleaned := value\n }\n\n function cleanup_t_uint8(value) -> cleaned {\n cleaned := and(value, 0xff)\n }\n\n function copy_memory_to_memory(src, dst, length) {\n let i := 0\n for { } lt(i, length) { i := add(i, 32) }\n {\n mstore(add(dst, i), mload(add(src, i)))\n }\n if gt(i, length)\n {\n // clear end\n mstore(add(dst, length), 0)\n }\n }\n\n function extract_byte_array_length(data) -> length {\n length := div(data, 2)\n let outOfPlaceEncoding := and(data, 1)\n if iszero(outOfPlaceEncoding) {\n length := and(length, 0x7f)\n }\n\n if eq(outOfPlaceEncoding, lt(length, 32)) {\n panic_error_0x22()\n }\n }\n\n function panic_error_0x11() {\n mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n mstore(4, 0x11)\n revert(0, 0x24)\n }\n\n function panic_error_0x22() {\n mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n mstore(4, 0x22)\n revert(0, 0x24)\n }\n\n function round_up_to_mul_of_32(value) -> result {\n result := and(add(value, 31), not(31))\n }\n\n function validator_revert_t_address(value) {\n if iszero(eq(value, cleanup_t_address(value))) { revert(0, 0) }\n }\n\n function validator_revert_t_uint256(value) {\n if iszero(eq(value, cleanup_t_uint256(value))) { revert(0, 0) }\n }\n\n}\n", "id": 17, 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"source": "// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.0;\r\n\r\nimport \"./GenesisContract.sol\";\r\n\r\n\r\ncontract CommunityContract {\r\n function getCountOfTotalTokensOwned(address addr,address owner) public view returns(uint256) {\r\n GenesisContract c = GenesisContract(addr);\r\n uint256[] memory tokens= c.getTokens(owner);\r\n //uint256[] memory val=new uint256[](3);\r\n uint256 response=0;\r\n for(uint _i=0;_i uint256) private _balances;\r\n\r\n mapping (address => mapping (address => uint256)) private _allowances;\r\n\r\n uint256 private _totalSupply;\r\n\r\n string private _name;\r\n string private _symbol;\r\n\r\n /**\r\n * @dev Sets the values for {name} and {symbol}.\r\n *\r\n * The defaut value of {decimals} is 18. To select a different value for\r\n * {decimals} you should overload it.\r\n *\r\n * All two of these values are immutable: they can only be set once during\r\n * construction.\r\n */\r\n constructor (string memory name_, string memory symbol_) {\r\n _name = name_;\r\n _symbol = symbol_;\r\n }\r\n\r\n /**\r\n * @dev Returns the name of the token.\r\n */\r\n function name() public view virtual override returns (string memory) {\r\n return _name;\r\n }\r\n\r\n /**\r\n * @dev Returns the symbol of the token, usually a shorter version of the\r\n * name.\r\n */\r\n function symbol() public view virtual override returns (string memory) {\r\n return _symbol;\r\n }\r\n\r\n /**\r\n * @dev Returns the number of decimals used to get its user representation.\r\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\r\n * be displayed to a user as `5,05` (`505 / 10 ** 2`).\r\n *\r\n * Tokens usually opt for a value of 18, imitating the relationship between\r\n * Ether and Wei. This is the value {ERC20} uses, unless this function is\r\n * overridden;\r\n *\r\n * NOTE: This information is only used for _display_ purposes: it in\r\n * no way affects any of the arithmetic of the contract, including\r\n * {IERC20-balanceOf} and {IERC20-transfer}.\r\n */\r\n function decimals() public view virtual override returns (uint8) {\r\n return 0;\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-totalSupply}.\r\n */\r\n function totalSupply() public view virtual override returns (uint256) {\r\n return _totalSupply;\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-balanceOf}.\r\n */\r\n function balanceOf(address account) public view virtual override returns (uint256) {\r\n return _balances[account];\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-transfer}.\r\n *\r\n * Requirements:\r\n *\r\n * - `recipient` cannot be the zero address.\r\n * - the caller must have a balance of at least `amount`.\r\n */\r\n function transfer(address recipient, uint256 amount) public virtual override returns (bool) {\r\n _transfer(_msgSender(), recipient, amount);\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-allowance}.\r\n */\r\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\r\n return _allowances[owner][spender];\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-approve}.\r\n *\r\n * Requirements:\r\n *\r\n * - `spender` cannot be the zero address.\r\n */\r\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\r\n _approve(_msgSender(), spender, amount);\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-transferFrom}.\r\n *\r\n * Emits an {Approval} event indicating the updated allowance. This is not\r\n * required by the EIP. See the note at the beginning of {ERC20}.\r\n *\r\n * Requirements:\r\n *\r\n * - `sender` and `recipient` cannot be the zero address.\r\n * - `sender` must have a balance of at least `amount`.\r\n * - the caller must have allowance for ``sender``'s tokens of at least\r\n * `amount`.\r\n */\r\n function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {\r\n _transfer(sender, recipient, amount);\r\n\r\n uint256 currentAllowance = _allowances[sender][_msgSender()];\r\n require(currentAllowance >= amount, \"ERC20: transfer amount exceeds allowance\");\r\n _approve(sender, _msgSender(), currentAllowance - amount);\r\n\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev Atomically increases the allowance granted to `spender` by the caller.\r\n *\r\n * This is an alternative to {approve} that can be used as a mitigation for\r\n * problems described in {IERC20-approve}.\r\n *\r\n * Emits an {Approval} event indicating the updated allowance.\r\n *\r\n * Requirements:\r\n *\r\n * - `spender` cannot be the zero address.\r\n */\r\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\r\n _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\r\n *\r\n * This is an alternative to {approve} that can be used as a mitigation for\r\n * problems described in {IERC20-approve}.\r\n *\r\n * Emits an {Approval} event indicating the updated allowance.\r\n *\r\n * Requirements:\r\n *\r\n * - `spender` cannot be the zero address.\r\n * - `spender` must have allowance for the caller of at least\r\n * `subtractedValue`.\r\n */\r\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\r\n uint256 currentAllowance = _allowances[_msgSender()][spender];\r\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\r\n _approve(_msgSender(), spender, currentAllowance - subtractedValue);\r\n\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev Moves tokens `amount` from `sender` to `recipient`.\r\n *\r\n * This is internal function is equivalent to {transfer}, and can be used to\r\n * e.g. implement automatic token fees, slashing mechanisms, etc.\r\n *\r\n * Emits a {Transfer} event.\r\n *\r\n * Requirements:\r\n *\r\n * - `sender` cannot be the zero address.\r\n * - `recipient` cannot be the zero address.\r\n * - `sender` must have a balance of at least `amount`.\r\n */\r\n function _transfer(address sender, address recipient, uint256 amount) internal virtual {\r\n require(sender != address(0), \"ERC20: transfer from the zero address\");\r\n require(recipient != address(0), \"ERC20: transfer to the zero address\");\r\n\r\n _beforeTokenTransfer(sender, recipient, amount);\r\n\r\n uint256 senderBalance = _balances[sender];\r\n require(senderBalance >= amount, \"ERC20: transfer amount exceeds balance\");\r\n _balances[sender] = senderBalance - amount;\r\n _balances[recipient] += amount;\r\n\r\n emit Transfer(sender, recipient, amount);\r\n }\r\n\r\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\r\n * the total supply.\r\n *\r\n * Emits a {Transfer} event with `from` set to the zero address.\r\n *\r\n * Requirements:\r\n *\r\n * - `to` cannot be the zero address.\r\n */\r\n function _mint(address account, uint256 amount) internal virtual {\r\n require(account != address(0), \"ERC20: mint to the zero address\");\r\n\r\n _beforeTokenTransfer(address(0), account, amount);\r\n\r\n _totalSupply += amount;\r\n _balances[account] += amount;\r\n emit Transfer(address(0), account, amount);\r\n }\r\n\r\n /**\r\n * @dev Destroys `amount` tokens from `account`, reducing the\r\n * total supply.\r\n *\r\n * Emits a {Transfer} event with `to` set to the zero address.\r\n *\r\n * Requirements:\r\n *\r\n * - `account` cannot be the zero address.\r\n * - `account` must have at least `amount` tokens.\r\n */\r\n function _burn(address account, uint256 amount) internal virtual {\r\n require(account != address(0), \"ERC20: burn from the zero address\");\r\n\r\n _beforeTokenTransfer(account, address(0), amount);\r\n\r\n uint256 accountBalance = _balances[account];\r\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\r\n _balances[account] = accountBalance - amount;\r\n _totalSupply -= amount;\r\n\r\n emit Transfer(account, address(0), amount);\r\n }\r\n\r\n /**\r\n * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\r\n *\r\n * This internal function is equivalent to `approve`, and can be used to\r\n * e.g. set automatic allowances for certain subsystems, etc.\r\n *\r\n * Emits an {Approval} event.\r\n *\r\n * Requirements:\r\n *\r\n * - `owner` cannot be the zero address.\r\n * - `spender` cannot be the zero address.\r\n */\r\n function _approve(address owner, address spender, uint256 amount) internal virtual {\r\n require(owner != address(0), \"ERC20: approve from the zero address\");\r\n require(spender != address(0), \"ERC20: approve to the zero address\");\r\n\r\n _allowances[owner][spender] = amount;\r\n emit Approval(owner, spender, amount);\r\n }\r\n\r\n /**\r\n * @dev Hook that is called before any transfer of tokens. This includes\r\n * minting and burning.\r\n *\r\n * Calling conditions:\r\n *\r\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\r\n * will be to transferred to `to`.\r\n * - when `from` is zero, `amount` tokens will be minted for `to`.\r\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\r\n * - `from` and `to` are never both zero.\r\n *\r\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\r\n */\r\n function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }\r\n}\r\n\r\n\r\npragma solidity ^0.8.0;\r\n\r\n\r\n/**\r\n * @dev Extension of {ERC20} that allows token holders to destroy both their own\r\n * tokens and those that they have an allowance for, in a way that can be\r\n * recognized off-chain (via event analysis).\r\n */\r\nabstract contract ERC20Burnable is Context, ERC20 {\r\n /**\r\n * @dev Destroys `amount` tokens from the caller.\r\n *\r\n * See {ERC20-_burn}.\r\n */\r\n function burn(uint256 amount) public virtual {\r\n _burn(_msgSender(), amount);\r\n }\r\n\r\n /**\r\n * @dev Destroys `amount` tokens from `account`, deducting from the caller's\r\n * allowance.\r\n *\r\n * See {ERC20-_burn} and {ERC20-allowance}.\r\n *\r\n * Requirements:\r\n *\r\n * - the caller must have allowance for ``accounts``'s tokens of at least\r\n * `amount`.\r\n */\r\n function burnFrom(address account, uint256 amount) public virtual {\r\n uint256 currentAllowance = allowance(account, _msgSender());\r\n require(currentAllowance >= amount, \"ERC20: burn amount exceeds allowance\");\r\n _approve(account, _msgSender(), currentAllowance - amount);\r\n _burn(account, amount);\r\n }\r\n}\r\n\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @dev {ERC20} token, including:\r\n *\r\n * - Preminted initial supply\r\n * - Ability for holders to burn (destroy) their tokens\r\n * - No access control mechanism (for minting/pausing) and hence no governance\r\n *\r\n * This contract uses {ERC20Burnable} to include burn capabilities - head to\r\n * its documentation for details.\r\n *\r\n * _Available since v3.4._\r\n */\r\ncontract ERC20PresetFixedSupply is ERC20Burnable {\r\n /**\r\n * @dev Mints `initialSupply` amount of token and transfers them to `owner`.\r\n *\r\n * See {ERC20-constructor}.\r\n */\r\n constructor(\r\n string memory name,\r\n string memory symbol,\r\n uint256 initialSupply,\r\n address owner\r\n ) ERC20(name, symbol) {\r\n _mint(owner, initialSupply);\r\n }\r\n}\r\n\r\n\r\npragma solidity 0.8.0;\r\ncontract MYTC is ERC20PresetFixedSupply {\r\n constructor()\r\n ERC20PresetFixedSupply(\"MYTC\", \"MYTC\", 100000000000,msg.sender)\r\n public\r\n {\r\n }\r\n}\r\n", "sourcePath": "F:/Assignment/aibcccc/AIBC/contracts/CommunityContract.sol", "ast": { "absolutePath": "/F/Assignment/aibcccc/AIBC/contracts/CommunityContract.sol", "exportedSymbols": { "Address": [ 3997 ], "CommunityContract": [ 82 ], "Context": [ 4020 ], "Counters": [ 4081 ], "ERC165": [ 4308 ], "ERC20": [ 685 ], "ERC20Burnable": [ 743 ], "ERC20PresetFixedSupply": [ 770 ], "ERC721": [ 3381 ], "ERC721URIStorage": [ 3643 ], "GenesisContract": [ 2527 ], "IERC165": [ 4320 ], "IERC20": [ 159 ], "IERC20Metadata": [ 182 ], "IERC721": [ 3497 ], "IERC721Enumerable": [ 3674 ], "IERC721Metadata": [ 3701 ], "IERC721Receiver": [ 3515 ], "MYTC": [ 785 ], "Strings": [ 4284 ] }, "id": 786, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:0" }, { "absolutePath": "/F/Assignment/aibcccc/AIBC/contracts/GenesisContract.sol", "file": "./GenesisContract.sol", "id": 2, "nodeType": "ImportDirective", "scope": 786, "sourceUnit": 2528, "src": "60:31:0", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "fullyImplemented": true, "id": 82, "linearizedBaseContracts": [ 82 ], "name": "CommunityContract", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 61, "nodeType": "Block", "src": "224:418:0", "statements": [ { "assignments": [ 13 ], "declarations": [ { "constant": false, "id": 13, "mutability": "mutable", "name": "c", "nodeType": "VariableDeclaration", "scope": 61, "src": "235:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_GenesisContract_$2527", "typeString": "contract GenesisContract" }, "typeName": { "id": 12, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 11, "name": "GenesisContract", "nodeType": "IdentifierPath", "referencedDeclaration": 2527, "src": "235:15:0" }, "referencedDeclaration": 2527, "src": "235:15:0", "typeDescriptions": { "typeIdentifier": "t_contract$_GenesisContract_$2527", "typeString": "contract GenesisContract" } }, "visibility": "internal" } ], "id": 17, "initialValue": { "arguments": [ { "id": 15, "name": "addr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4, "src": "271:4:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 14, "name": "GenesisContract", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2527, "src": "255:15:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_GenesisContract_$2527_$", "typeString": "type(contract GenesisContract)" } }, "id": 16, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "255:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_GenesisContract_$2527", "typeString": "contract GenesisContract" } }, "nodeType": "VariableDeclarationStatement", "src": "235:41:0" }, { "assignments": [ 22 ], "declarations": [ { "constant": false, "id": 22, "mutability": "mutable", "name": "tokens", "nodeType": "VariableDeclaration", "scope": 61, "src": "287:23:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_memory_ptr", "typeString": "uint256[]" }, "typeName": { "baseType": { "id": 20, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "287:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 21, "nodeType": "ArrayTypeName", "src": "287:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_storage_ptr", "typeString": "uint256[]" } }, "visibility": "internal" } ], "id": 27, "initialValue": { "arguments": [ { "id": 25, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6, "src": "324:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": 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"nodeType": "VariableDeclarationStatement", "src": "287:43:0" }, { "assignments": [ 29 ], "declarations": [ { "constant": false, "id": 29, "mutability": "mutable", "name": "response", "nodeType": "VariableDeclaration", "scope": 61, "src": "391:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 28, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "391:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 31, "initialValue": { "hexValue": "30", "id": 30, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "408:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "391:18:0" }, { "body": { "id": 57, "nodeType": "Block", "src": "456:153:0", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 50, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 43, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6, "src": "474:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "baseExpression": { "id": 46, "name": "tokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22, "src": "491:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_memory_ptr", "typeString": "uint256[] memory" } }, "id": 48, "indexExpression": { "id": 47, "name": "_i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 33, "src": "498:2:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "491:10:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 44, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 13, "src": "481:1:0", "typeDescriptions": { "typeIdentifier": "t_contract$_GenesisContract_$2527", "typeString": "contract GenesisContract" } }, "id": 45, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "ownerOf", "nodeType": "MemberAccess", "referencedDeclaration": 2707, "src": "481:9:0", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint256_$returns$_t_address_$", "typeString": "function (uint256) view external returns (address)" } }, "id": 49, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "481:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "474:28:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 55, "nodeType": "Block", "src": "553:45:0", "statements": [ { "expression": { "id": 53, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "572:10:0", "subExpression": { "id": 52, "name": "response", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 29, "src": "572:8:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 54, "nodeType": "ExpressionStatement", "src": "572:10:0" } ] }, "id": 56, "nodeType": "IfStatement", "src": "471:127:0", "trueBody": { "id": 51, "nodeType": "Block", "src": "503:32:0", "statements": [] } } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 39, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 36, "name": "_i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 33, "src": "434:2:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "expression": { "id": 37, "name": "tokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22, "src": "437:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_memory_ptr", "typeString": "uint256[] memory" } }, "id": 38, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "437:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "434:16:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 58, "initializationExpression": { "assignments": [ 33 ], "declarations": [ { "constant": false, "id": 33, "mutability": "mutable", "name": "_i", "nodeType": "VariableDeclaration", "scope": 58, "src": "424:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 32, "name": "uint", "nodeType": "ElementaryTypeName", "src": "424:4:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 35, "initialValue": { "hexValue": "30", "id": 34, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "432:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "424:9:0" }, "loopExpression": { "expression": { "id": 41, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "451:4:0", "subExpression": { "id": 40, "name": "_i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 33, "src": "451:2:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 42, "nodeType": "ExpressionStatement", "src": "451:4:0" }, "nodeType": "ForStatement", "src": "420:189:0" }, { "expression": { "id": 59, "name": "response", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 29, "src": "626:8:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 10, "id": 60, "nodeType": "Return", "src": "619:15:0" } ] }, "functionSelector": "8fd291e2", "id": 62, "implemented": true, "kind": "function", "modifiers": [], "name": "getCountOfTotalTokensOwned", "nodeType": "FunctionDefinition", "parameters": { "id": 7, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4, "mutability": "mutable", "name": "addr", "nodeType": "VariableDeclaration", "scope": 62, "src": "167:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3, "name": "address", "nodeType": "ElementaryTypeName", "src": "167:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 6, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 62, "src": "180:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5, "name": "address", "nodeType": "ElementaryTypeName", "src": "180:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "166:28:0" }, "returnParameters": { "id": 10, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 62, "src": "215:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "215:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "214:9:0" }, "scope": 82, "src": "131:511:0", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 80, "nodeType": "Block", "src": "723:154:0", "statements": [ { "assignments": [ 71 ], "declarations": [ { "constant": false, "id": 71, "mutability": "mutable", "name": "a", "nodeType": "VariableDeclaration", "scope": 80, "src": "822:6:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_MYTC_$785", "typeString": "contract MYTC" }, "typeName": { "id": 70, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 69, "name": "MYTC", "nodeType": "IdentifierPath", "referencedDeclaration": 785, "src": "822:4:0" }, "referencedDeclaration": 785, "src": "822:4:0", "typeDescriptions": { "typeIdentifier": "t_contract$_MYTC_$785", "typeString": "contract MYTC" } }, "visibility": "internal" } ], "id": 75, "initialValue": { "arguments": [ { "id": 73, "name": "addr1", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 64, "src": "835:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 72, "name": "MYTC", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 785, "src": "830:4:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_MYTC_$785_$", "typeString": "type(contract MYTC)" } }, "id": 74, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "830:11:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_MYTC_$785", "typeString": "contract MYTC" } }, "nodeType": "VariableDeclarationStatement", "src": "822:19:0" }, { "expression": { "arguments": [], "expression": { "argumentTypes": [], "expression": { "id": 76, "name": "a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 71, "src": "859:1:0", "typeDescriptions": { "typeIdentifier": "t_contract$_MYTC_$785", "typeString": "contract MYTC" } }, "id": 77, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "symbol", "nodeType": "MemberAccess", "referencedDeclaration": 243, "src": "859:8:0", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_string_memory_ptr_$", "typeString": "function () view external returns (string memory)" } }, "id": 78, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "859:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 68, "id": 79, "nodeType": "Return", "src": "852:17:0" } ] }, "functionSelector": "c9b2e522", "id": 81, "implemented": true, "kind": "function", "modifiers": [], "name": "getSymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 65, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 64, "mutability": "mutable", "name": "addr1", "nodeType": "VariableDeclaration", "scope": 81, "src": "673:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 63, "name": "address", "nodeType": "ElementaryTypeName", "src": "673:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "672:15:0" }, "returnParameters": { "id": 68, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 67, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 81, "src": "708:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 66, "name": "string", "nodeType": "ElementaryTypeName", "src": "708:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "707:15:0" }, "scope": 82, "src": "654:223:0", "stateMutability": "view", "virtual": false, "visibility": "public" } ], "scope": 786, "src": "97:783:0" }, { "id": 83, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "884:23:0" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "interface", "documentation": { "id": 84, "nodeType": "StructuredDocumentation", "src": "911:72:0", "text": " @dev Interface of the ERC20 standard as defined in the EIP." }, "fullyImplemented": false, "id": 159, "linearizedBaseContracts": [ 159 ], "name": "IERC20", "nodeType": "ContractDefinition", "nodes": [ { "documentation": { "id": 85, "nodeType": "StructuredDocumentation", "src": "1009:68:0", "text": " @dev Returns the amount of tokens in existence." }, "functionSelector": "18160ddd", "id": 90, "implemented": false, "kind": "function", "modifiers": [], "name": "totalSupply", "nodeType": "FunctionDefinition", "parameters": { "id": 86, "nodeType": "ParameterList", "parameters": [], "src": "1103:2:0" }, "returnParameters": { "id": 89, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 88, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 90, "src": "1129:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 87, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1129:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1128:9:0" }, "scope": 159, "src": "1083:55:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 91, "nodeType": "StructuredDocumentation", "src": "1146:74:0", "text": " @dev Returns the amount of tokens owned by `account`." }, "functionSelector": "70a08231", "id": 98, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 94, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 93, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 98, "src": "1245:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 92, "name": "address", "nodeType": "ElementaryTypeName", "src": "1245:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1244:17:0" }, "returnParameters": { "id": 97, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 96, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 98, "src": "1285:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 95, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1285:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1284:9:0" }, "scope": 159, "src": "1226:68:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 99, "nodeType": "StructuredDocumentation", "src": "1302:215:0", "text": " @dev Moves `amount` tokens from the caller's account to `recipient`.\n Returns a boolean value indicating whether the operation succeeded.\n Emits a {Transfer} event." }, "functionSelector": "a9059cbb", "id": 108, "implemented": false, "kind": "function", "modifiers": [], "name": "transfer", "nodeType": "FunctionDefinition", "parameters": { "id": 104, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 101, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 108, "src": "1541:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 100, "name": "address", "nodeType": "ElementaryTypeName", "src": "1541:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 103, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 108, "src": "1560:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 102, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1560:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1540:35:0" }, "returnParameters": { "id": 107, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 106, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 108, "src": "1594:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 105, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1594:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "1593:6:0" }, "scope": 159, "src": "1523:77:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 109, "nodeType": "StructuredDocumentation", "src": "1608:270:0", "text": " @dev Returns the remaining number of tokens that `spender` will be\n allowed to spend on behalf of `owner` through {transferFrom}. This is\n zero by default.\n This value changes when {approve} or {transferFrom} are called." }, "functionSelector": "dd62ed3e", "id": 118, "implemented": false, "kind": "function", "modifiers": [], "name": "allowance", "nodeType": "FunctionDefinition", "parameters": { "id": 114, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 111, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 118, "src": "1903:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 110, "name": "address", "nodeType": "ElementaryTypeName", "src": "1903:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 113, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 118, "src": "1918:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 112, "name": "address", "nodeType": "ElementaryTypeName", "src": "1918:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1902:32:0" }, "returnParameters": { "id": 117, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 116, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 118, "src": "1958:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 115, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1958:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1957:9:0" }, "scope": 159, "src": "1884:83:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 119, "nodeType": "StructuredDocumentation", "src": "1975:655:0", "text": " @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n Returns a boolean value indicating whether the operation succeeded.\n IMPORTANT: Beware that changing an allowance with this method brings the risk\n that someone may use both the old and the new allowance by unfortunate\n transaction ordering. One possible solution to mitigate this race\n condition is to first reduce the spender's allowance to 0 and set the\n desired value afterwards:\n https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n Emits an {Approval} event." }, "functionSelector": "095ea7b3", "id": 128, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 124, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 121, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 128, "src": "2653:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 120, "name": "address", "nodeType": "ElementaryTypeName", "src": "2653:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 123, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 128, "src": "2670:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 122, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2670:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2652:33:0" }, "returnParameters": { "id": 127, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 126, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 128, "src": "2704:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 125, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2704:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "2703:6:0" }, "scope": 159, "src": "2636:74:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 129, "nodeType": "StructuredDocumentation", "src": "2718:304:0", "text": " @dev Moves `amount` tokens from `sender` to `recipient` using the\n allowance mechanism. `amount` is then deducted from the caller's\n allowance.\n Returns a boolean value indicating whether the operation succeeded.\n Emits a {Transfer} event." }, "functionSelector": "23b872dd", "id": 140, "implemented": false, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 136, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 131, "mutability": "mutable", "name": "sender", "nodeType": "VariableDeclaration", "scope": 140, "src": "3050:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 130, "name": "address", "nodeType": "ElementaryTypeName", "src": "3050:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 133, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 140, "src": "3066:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 132, "name": "address", "nodeType": "ElementaryTypeName", "src": "3066:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 135, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 140, "src": "3085:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 134, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3085:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3049:51:0" }, "returnParameters": { "id": 139, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 138, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 140, "src": "3119:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 137, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3119:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3118:6:0" }, "scope": 159, "src": "3028:97:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "anonymous": false, "documentation": { "id": 141, "nodeType": "StructuredDocumentation", "src": "3133:163:0", "text": " @dev Emitted when `value` tokens are moved from one account (`from`) to\n another (`to`).\n Note that `value` may be zero." }, "id": 149, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 148, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 143, "indexed": true, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 149, "src": "3317:20:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 142, "name": "address", "nodeType": "ElementaryTypeName", "src": "3317:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 145, "indexed": true, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 149, "src": "3339:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 144, "name": "address", "nodeType": "ElementaryTypeName", "src": "3339:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 147, "indexed": false, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "scope": 149, "src": "3359:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 146, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3359:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3316:57:0" }, "src": "3302:72:0" }, { "anonymous": false, "documentation": { "id": 150, "nodeType": "StructuredDocumentation", "src": "3382:151:0", "text": " @dev Emitted when the allowance of a `spender` for an `owner` is set by\n a call to {approve}. `value` is the new allowance." }, "id": 158, "name": "Approval", "nodeType": "EventDefinition", "parameters": { "id": 157, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 152, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 158, "src": "3554:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 151, "name": "address", "nodeType": "ElementaryTypeName", "src": "3554:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 154, "indexed": true, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 158, "src": "3577:23:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 153, "name": "address", "nodeType": "ElementaryTypeName", "src": "3577:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 156, "indexed": false, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "scope": 158, "src": "3602:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 155, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3602:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3553:63:0" }, "src": "3539:78:0" } ], "scope": 786, "src": "985:2635:0" }, { "id": 160, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "3628:23:0" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 162, "name": "IERC20", "nodeType": "IdentifierPath", "referencedDeclaration": 159, "src": "3807:6:0" }, "id": 163, "nodeType": "InheritanceSpecifier", "src": "3807:6:0" } ], "contractDependencies": [ 159 ], "contractKind": "interface", "documentation": { "id": 161, "nodeType": "StructuredDocumentation", "src": "3657:120:0", "text": " @dev Interface for the optional metadata functions from the ERC20 standard.\n _Available since v4.1._" }, "fullyImplemented": false, "id": 182, "linearizedBaseContracts": [ 182, 159 ], "name": "IERC20Metadata", "nodeType": "ContractDefinition", "nodes": [ { "documentation": { "id": 164, "nodeType": "StructuredDocumentation", "src": "3821:56:0", "text": " @dev Returns the name of the token." }, "functionSelector": "06fdde03", "id": 169, "implemented": false, "kind": "function", "modifiers": [], "name": "name", "nodeType": "FunctionDefinition", "parameters": { "id": 165, "nodeType": "ParameterList", "parameters": [], "src": "3896:2:0" }, "returnParameters": { "id": 168, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 167, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 169, "src": "3922:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 166, "name": "string", "nodeType": "ElementaryTypeName", "src": "3922:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "3921:15:0" }, "scope": 182, "src": "3883:54:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 170, "nodeType": "StructuredDocumentation", "src": "3945:58:0", "text": " @dev Returns the symbol of the token." }, "functionSelector": "95d89b41", "id": 175, "implemented": false, "kind": "function", "modifiers": [], "name": "symbol", "nodeType": "FunctionDefinition", "parameters": { "id": 171, "nodeType": "ParameterList", "parameters": [], "src": "4024:2:0" }, "returnParameters": { "id": 174, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 173, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 175, "src": "4050:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 172, "name": "string", "nodeType": "ElementaryTypeName", "src": "4050:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "4049:15:0" }, "scope": 182, "src": "4009:56:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 176, "nodeType": "StructuredDocumentation", "src": "4073:67:0", "text": " @dev Returns the decimals places of the token." }, "functionSelector": "313ce567", "id": 181, "implemented": false, "kind": "function", "modifiers": [], "name": "decimals", "nodeType": "FunctionDefinition", "parameters": { "id": 177, "nodeType": "ParameterList", "parameters": [], "src": "4163:2:0" }, "returnParameters": { "id": 180, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 179, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 181, "src": "4189:5:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 178, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "4189:5:0", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "src": "4188:7:0" }, "scope": 182, "src": "4146:50:0", "stateMutability": "view", "virtual": false, "visibility": "external" } ], "scope": 786, "src": "3779:420:0" }, { "id": 183, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "4207:23:0" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 185, "name": "Context", "nodeType": "IdentifierPath", "referencedDeclaration": 4020, "src": "5441:7:0" }, "id": 186, "nodeType": "InheritanceSpecifier", "src": "5441:7:0" }, { "baseName": { "id": 187, "name": "IERC20", "nodeType": "IdentifierPath", "referencedDeclaration": 159, "src": "5450:6:0" }, "id": 188, "nodeType": "InheritanceSpecifier", "src": "5450:6:0" }, { "baseName": { "id": 189, "name": "IERC20Metadata", "nodeType": "IdentifierPath", "referencedDeclaration": 182, "src": "5458:14:0" }, "id": 190, "nodeType": "InheritanceSpecifier", "src": "5458:14:0" } ], "contractDependencies": [ 159, 182, 4020 ], "contractKind": "contract", "documentation": { "id": 184, "nodeType": "StructuredDocumentation", "src": "4236:1185:0", "text": " @dev Implementation of the {IERC20} interface.\n This implementation is agnostic to the way tokens are created. This means\n that a supply mechanism has to be added in a derived contract using {_mint}.\n For a generic mechanism see {ERC20PresetMinterPauser}.\n TIP: For a detailed writeup see our guide\n https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n to implement supply mechanisms].\n We have followed general OpenZeppelin guidelines: functions revert instead\n of returning `false` on failure. This behavior is nonetheless conventional\n and does not conflict with the expectations of ERC20 applications.\n Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n This allows applications to reconstruct the allowance for all accounts just\n by listening to said events. Other implementations of the EIP may not emit\n these events, as it isn't required by the specification.\n Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n functions have been added to mitigate the well-known issues around setting\n allowances. See {IERC20-approve}." }, "fullyImplemented": true, "id": 685, "linearizedBaseContracts": [ 685, 182, 159, 4020 ], "name": "ERC20", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 194, "mutability": "mutable", "name": "_balances", "nodeType": "VariableDeclaration", "scope": 685, "src": "5480:46:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "typeName": { "id": 193, "keyType": { "id": 191, "name": "address", "nodeType": "ElementaryTypeName", "src": "5489:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "5480:28:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 192, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5500:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "visibility": "private" }, { "constant": false, "id": 200, "mutability": "mutable", "name": "_allowances", "nodeType": "VariableDeclaration", "scope": 685, "src": "5535:69:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "typeName": { "id": 199, "keyType": { "id": 195, "name": "address", "nodeType": "ElementaryTypeName", "src": "5544:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "5535:49:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "valueType": { "id": 198, "keyType": { "id": 196, "name": "address", "nodeType": "ElementaryTypeName", "src": "5564:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "5555:28:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 197, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5575:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } } }, "visibility": "private" }, { "constant": false, "id": 202, "mutability": "mutable", "name": "_totalSupply", "nodeType": "VariableDeclaration", "scope": 685, "src": "5613:28:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 201, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5613:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "private" }, { "constant": false, "id": 204, "mutability": "mutable", "name": "_name", "nodeType": "VariableDeclaration", "scope": 685, "src": "5650:20:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 203, "name": "string", "nodeType": "ElementaryTypeName", "src": "5650:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "private" }, { "constant": false, "id": 206, "mutability": "mutable", "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 685, "src": "5677:22:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 205, "name": "string", "nodeType": "ElementaryTypeName", "src": "5677:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "private" }, { "body": { "id": 222, "nodeType": "Block", "src": "6076:60:0", "statements": [ { "expression": { "id": 216, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 214, "name": "_name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 204, "src": "6087:5:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 215, "name": "name_", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 209, "src": "6095:5:0", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "6087:13:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 217, "nodeType": "ExpressionStatement", "src": "6087:13:0" }, { "expression": { "id": 220, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 218, "name": "_symbol", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 206, "src": "6111:7:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 219, "name": "symbol_", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 211, "src": "6121:7:0", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "6111:17:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 221, "nodeType": "ExpressionStatement", "src": "6111:17:0" } ] }, "documentation": { "id": 207, "nodeType": "StructuredDocumentation", "src": "5708:305:0", "text": " @dev Sets the values for {name} and {symbol}.\n The defaut value of {decimals} is 18. To select a different value for\n {decimals} you should overload it.\n All two of these values are immutable: they can only be set once during\n construction." }, "id": 223, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 212, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 209, "mutability": "mutable", "name": "name_", "nodeType": "VariableDeclaration", "scope": 223, "src": "6032:19:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 208, "name": "string", "nodeType": "ElementaryTypeName", "src": "6032:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 211, "mutability": "mutable", "name": "symbol_", "nodeType": "VariableDeclaration", "scope": 223, "src": "6053:21:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 210, "name": "string", "nodeType": "ElementaryTypeName", "src": "6053:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "6031:44:0" }, "returnParameters": { "id": 213, "nodeType": "ParameterList", "parameters": [], "src": "6076:0:0" }, "scope": 685, "src": "6019:117:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "baseFunctions": [ 169 ], "body": { "id": 232, "nodeType": "Block", "src": "6275:31:0", "statements": [ { "expression": { "id": 230, "name": "_name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 204, "src": "6293:5:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "functionReturnParameters": 229, "id": 231, "nodeType": "Return", "src": "6286:12:0" } ] }, "documentation": { "id": 224, "nodeType": "StructuredDocumentation", "src": "6144:56:0", "text": " @dev Returns the name of the token." }, "functionSelector": "06fdde03", "id": 233, "implemented": true, "kind": "function", "modifiers": [], "name": "name", "nodeType": "FunctionDefinition", "overrides": { "id": 226, "nodeType": "OverrideSpecifier", "overrides": [], "src": "6242:8:0" }, "parameters": { "id": 225, "nodeType": "ParameterList", "parameters": [], "src": "6219:2:0" }, "returnParameters": { "id": 229, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 228, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 233, "src": "6260:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 227, "name": "string", "nodeType": "ElementaryTypeName", "src": "6260:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "6259:15:0" }, "scope": 685, "src": "6206:100:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 175 ], "body": { "id": 242, "nodeType": "Block", "src": "6496:33:0", "statements": [ { "expression": { "id": 240, "name": "_symbol", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 206, "src": "6514:7:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "functionReturnParameters": 239, "id": 241, "nodeType": "Return", "src": "6507:14:0" } ] }, "documentation": { "id": 234, "nodeType": "StructuredDocumentation", "src": "6314:105:0", "text": " @dev Returns the symbol of the token, usually a shorter version of the\n name." }, "functionSelector": "95d89b41", "id": 243, "implemented": true, "kind": "function", "modifiers": [], "name": "symbol", "nodeType": "FunctionDefinition", "overrides": { "id": 236, "nodeType": "OverrideSpecifier", "overrides": [], "src": "6463:8:0" }, "parameters": { "id": 235, "nodeType": "ParameterList", "parameters": [], "src": "6440:2:0" }, "returnParameters": { "id": 239, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 238, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 243, "src": "6481:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 237, "name": "string", "nodeType": "ElementaryTypeName", "src": "6481:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "6480:15:0" }, "scope": 685, "src": "6425:104:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 181 ], "body": { "id": 252, "nodeType": "Block", "src": "7233:27:0", "statements": [ { "expression": { "hexValue": "30", "id": 250, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7251:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 249, "id": 251, "nodeType": "Return", "src": "7244:8:0" } ] }, "documentation": { "id": 244, "nodeType": "StructuredDocumentation", "src": "6537:625:0", "text": " @dev Returns the number of decimals used to get its user representation.\n For example, if `decimals` equals `2`, a balance of `505` tokens should\n be displayed to a user as `5,05` (`505 / 10 ** 2`).\n Tokens usually opt for a value of 18, imitating the relationship between\n Ether and Wei. This is the value {ERC20} uses, unless this function is\n overridden;\n NOTE: This information is only used for _display_ purposes: it in\n no way affects any of the arithmetic of the contract, including\n {IERC20-balanceOf} and {IERC20-transfer}." }, "functionSelector": "313ce567", "id": 253, "implemented": true, "kind": "function", "modifiers": [], "name": "decimals", "nodeType": "FunctionDefinition", "overrides": { "id": 246, "nodeType": "OverrideSpecifier", "overrides": [], "src": "7208:8:0" }, "parameters": { "id": 245, "nodeType": "ParameterList", "parameters": [], "src": "7185:2:0" }, "returnParameters": { "id": 249, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 248, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 253, "src": "7226:5:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 247, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "7226:5:0", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "src": "7225:7:0" }, "scope": 685, "src": "7168:92:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 90 ], "body": { "id": 262, "nodeType": "Block", "src": "7395:38:0", "statements": [ { "expression": { "id": 260, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 202, "src": "7413:12:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 259, "id": 261, "nodeType": "Return", "src": "7406:19:0" } ] }, "documentation": { "id": 254, "nodeType": "StructuredDocumentation", "src": "7268:51:0", "text": " @dev See {IERC20-totalSupply}." }, "functionSelector": "18160ddd", "id": 263, "implemented": true, "kind": "function", "modifiers": [], "name": "totalSupply", "nodeType": "FunctionDefinition", "overrides": { "id": 256, "nodeType": "OverrideSpecifier", "overrides": [], "src": "7368:8:0" }, "parameters": { "id": 255, "nodeType": "ParameterList", "parameters": [], "src": "7345:2:0" }, "returnParameters": { "id": 259, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 258, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 263, "src": "7386:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 257, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7386:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "7385:9:0" }, "scope": 685, "src": "7325:108:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 98 ], "body": { "id": 276, "nodeType": "Block", "src": "7579:44:0", "statements": [ { "expression": { "baseExpression": { "id": 272, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 194, "src": "7597:9:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 274, "indexExpression": { "id": 273, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 266, "src": "7607:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7597:18:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 271, "id": 275, "nodeType": "Return", "src": "7590:25:0" } ] }, "documentation": { "id": 264, "nodeType": "StructuredDocumentation", "src": "7441:49:0", "text": " @dev See {IERC20-balanceOf}." }, 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"t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330", "typeString": "literal_string \"ERC20: transfer amount exceeds allowance\"" }, "value": "ERC20: transfer amount exceeds allowance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330", "typeString": "literal_string \"ERC20: transfer amount exceeds allowance\"" } ], "id": 365, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "9266:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 370, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9266:79:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 371, "nodeType": "ExpressionStatement", "src": "9266:79:0" }, { "expression": { "arguments": [ { "id": 373, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 340, "src": "9365:6:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [], "expression": { "argumentTypes": [], "id": 374, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "9373:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 375, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9373:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 378, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 376, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 357, "src": "9387:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 377, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 344, "src": "9406:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9387:25:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 372, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 673, "src": "9356:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 379, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9356:57:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 380, "nodeType": "ExpressionStatement", "src": "9356:57:0" }, { "expression": { "hexValue": "74727565", "id": 381, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "9433:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 349, "id": 382, "nodeType": "Return", "src": "9426:11:0" } ] }, "documentation": { "id": 338, "nodeType": "StructuredDocumentation", "src": "8549:468:0", "text": " @dev See {IERC20-transferFrom}.\n Emits an {Approval} event indicating the updated allowance. This is not\n required by the EIP. See the note at the beginning of {ERC20}.\n Requirements:\n - `sender` and `recipient` cannot be the zero address.\n - `sender` must have a balance of at least `amount`.\n - the caller must have allowance for ``sender``'s tokens of at least\n `amount`." }, "functionSelector": "23b872dd", "id": 384, "implemented": true, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "overrides": { "id": 346, "nodeType": "OverrideSpecifier", "overrides": [], "src": "9111:8:0" }, "parameters": { "id": 345, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 340, "mutability": "mutable", "name": "sender", "nodeType": "VariableDeclaration", "scope": 384, "src": "9045:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 339, "name": "address", "nodeType": "ElementaryTypeName", "src": "9045:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 342, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 384, "src": "9061:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 341, "name": "address", "nodeType": "ElementaryTypeName", "src": "9061:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 344, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 384, "src": "9080:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 343, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9080:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "9044:51:0" }, "returnParameters": { "id": 349, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 348, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 384, "src": "9129:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 347, "name": "bool", "nodeType": "ElementaryTypeName", "src": "9129:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "9128:6:0" }, "scope": 685, "src": "9023:422:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 410, "nodeType": "Block", "src": "9948:121:0", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 395, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "9968:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 396, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9968:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 397, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 387, "src": "9982:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 405, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "baseExpression": { "baseExpression": { "id": 398, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 200, "src": "9991:11:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 401, "indexExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 399, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "10003:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 400, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10003:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9991:25:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 403, "indexExpression": { "id": 402, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 387, "src": "10017:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9991:34:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 404, "name": "addedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 389, "src": "10028:10:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9991:47:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 394, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 673, "src": "9959:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 406, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9959:80:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 407, "nodeType": "ExpressionStatement", "src": "9959:80:0" }, { "expression": { "hexValue": "74727565", "id": 408, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "10057:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 393, "id": 409, "nodeType": "Return", "src": "10050:11:0" } ] }, "documentation": { "id": 385, "nodeType": "StructuredDocumentation", "src": "9453:395:0", "text": " @dev Atomically increases the allowance granted to `spender` by the caller.\n This is an alternative to {approve} that can be used as a mitigation for\n problems described in {IERC20-approve}.\n Emits an {Approval} event indicating the updated allowance.\n Requirements:\n - `spender` cannot be the zero address." }, "functionSelector": "39509351", "id": 411, "implemented": true, "kind": "function", "modifiers": [], "name": "increaseAllowance", "nodeType": "FunctionDefinition", "parameters": { "id": 390, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 387, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 411, "src": "9881:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 386, "name": "address", "nodeType": "ElementaryTypeName", "src": "9881:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 389, "mutability": "mutable", "name": "addedValue", "nodeType": "VariableDeclaration", "scope": 411, "src": "9898:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 388, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9898:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "9880:37:0" }, "returnParameters": { "id": 393, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 392, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 411, "src": "9942:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 391, "name": "bool", "nodeType": "ElementaryTypeName", "src": "9942:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "9941:6:0" }, "scope": 685, "src": "9854:215:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 448, "nodeType": "Block", "src": "10671:278:0", "statements": [ { "assignments": [ 422 ], "declarations": [ { "constant": false, "id": 422, "mutability": "mutable", "name": "currentAllowance", "nodeType": "VariableDeclaration", "scope": 448, "src": "10682:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 421, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "10682:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 429, "initialValue": { "baseExpression": { "baseExpression": { "id": 423, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 200, "src": "10709:11:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 426, "indexExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 424, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "10721:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 425, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10721:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "10709:25:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 428, "indexExpression": { "id": 427, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 414, "src": "10735:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "10709:34:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "10682:61:0" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 433, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 431, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 422, "src": "10762:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "id": 432, "name": "subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 416, "src": "10782:15:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "10762:35:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a2064656372656173656420616c6c6f77616e63652062656c6f77207a65726f", "id": 434, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "10799:39:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8", "typeString": "literal_string \"ERC20: decreased allowance below zero\"" }, "value": "ERC20: decreased allowance below zero" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8", "typeString": "literal_string \"ERC20: decreased allowance below zero\"" } ], "id": 430, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "10754:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 435, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10754:85:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 436, "nodeType": "ExpressionStatement", "src": "10754:85:0" }, { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 438, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "10859:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 439, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10859:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 440, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 414, "src": "10873:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 443, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 441, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 422, "src": "10882:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 442, "name": "subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 416, "src": "10901:15:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "10882:34:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 437, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 673, "src": "10850:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 444, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10850:67:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 445, "nodeType": "ExpressionStatement", "src": "10850:67:0" }, { "expression": { "hexValue": "74727565", "id": 446, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "10937:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 420, "id": 447, "nodeType": "Return", "src": "10930:11:0" } ] }, "documentation": { "id": 412, "nodeType": "StructuredDocumentation", "src": "10077:489:0", "text": " @dev Atomically decreases the allowance granted to `spender` by the caller.\n This is an alternative to {approve} that can be used as a mitigation for\n problems described in {IERC20-approve}.\n Emits an {Approval} event indicating the updated allowance.\n Requirements:\n - `spender` cannot be the zero address.\n - `spender` must have allowance for the caller of at least\n 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"typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 415, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "10616:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "10598:42:0" }, "returnParameters": { "id": 420, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 419, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 449, "src": "10665:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 418, "name": "bool", "nodeType": "ElementaryTypeName", "src": "10665:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "10664:6:0" }, "scope": 685, "src": "10572:377:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { 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} }, "id": 508, "indexExpression": { "id": 507, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 454, "src": "11962:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "11952:20:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "id": 509, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 456, "src": "11976:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "11952:30:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 511, "nodeType": "ExpressionStatement", "src": "11952:30:0" }, { "eventCall": { "arguments": [ { "id": 513, "name": "sender", "nodeType": 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"typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 516, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12000:35:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 517, "nodeType": "EmitStatement", "src": "11995:40:0" } ] }, "documentation": { "id": 450, "nodeType": "StructuredDocumentation", "src": "10957:476:0", "text": " @dev Moves tokens `amount` from `sender` to `recipient`.\n This is internal function is equivalent to {transfer}, and can be used to\n e.g. implement automatic token fees, slashing mechanisms, etc.\n Emits a {Transfer} event.\n Requirements:\n - `sender` cannot be the zero address.\n - `recipient` cannot be the zero address.\n - `sender` must have a balance of at least `amount`." }, "id": 519, 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"typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 536, "nodeType": "ExpressionStatement", "src": "12401:65:0" }, { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 540, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "12508:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 539, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "12500:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 538, "name": "address", "nodeType": "ElementaryTypeName", "src": "12500:7:0", "typeDescriptions": {} } }, "id": 541, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12500:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 542, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 522, "src": "12512:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 543, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 524, "src": "12521:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 537, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 684, "src": "12479:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 544, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12479:49:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 545, "nodeType": "ExpressionStatement", "src": "12479:49:0" }, { "expression": { "id": 548, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 546, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 202, "src": "12541:12:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "id": 547, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 524, "src": "12557:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "12541:22:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 549, "nodeType": "ExpressionStatement", "src": "12541:22:0" }, { "expression": { "id": 554, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 550, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 194, "src": "12574:9:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 552, "indexExpression": { "id": 551, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 522, "src": "12584:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "12574:18:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "id": 553, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 524, "src": "12596:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "12574:28:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 555, "nodeType": "ExpressionStatement", "src": "12574:28:0" }, { "eventCall": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 559, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "12635:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 558, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "12627:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 557, "name": "address", "nodeType": "ElementaryTypeName", "src": "12627:7:0", "typeDescriptions": {} } }, "id": 560, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12627:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 561, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 522, "src": "12639:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 562, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 524, "src": "12648:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 556, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 149, "src": "12618:8:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 563, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12618:37:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 564, "nodeType": "EmitStatement", "src": "12613:42:0" } ] }, "documentation": { "id": 520, "nodeType": "StructuredDocumentation", "src": "12051:268:0", "text": "@dev Creates `amount` tokens and assigns them to `account`, increasing\n the total supply.\n Emits a {Transfer} event with `from` set to the zero address.\n Requirements:\n - `to` cannot be the zero address." }, "id": 566, "implemented": true, "kind": "function", "modifiers": [], "name": "_mint", "nodeType": "FunctionDefinition", "parameters": { "id": 525, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 522, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 566, "src": "12340:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 521, "name": "address", "nodeType": "ElementaryTypeName", "src": "12340:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 524, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 566, "src": "12357:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 523, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "12357:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "12339:33:0" }, "returnParameters": { "id": 526, "nodeType": "ParameterList", "parameters": [], "src": "12390:0:0" }, "scope": 685, "src": "12325:338:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 627, "nodeType": "Block", "src": "13061:429:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 580, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 575, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 569, "src": "13080:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 578, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "13099:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 577, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "13091:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 576, "name": "address", "nodeType": "ElementaryTypeName", "src": "13091:7:0", "typeDescriptions": {} } }, "id": 579, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13091:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "13080:21:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a206275726e2066726f6d20746865207a65726f2061646472657373", "id": 581, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "13103:35:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f", "typeString": "literal_string \"ERC20: burn from the zero address\"" }, "value": "ERC20: burn from the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f", "typeString": "literal_string \"ERC20: burn from the zero address\"" } ], "id": 574, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "13072:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 582, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13072:67:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 583, "nodeType": "ExpressionStatement", "src": "13072:67:0" }, { "expression": { "arguments": [ { "id": 585, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 569, "src": "13173:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "hexValue": "30", "id": 588, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "13190:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 587, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "13182:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 586, "name": "address", "nodeType": "ElementaryTypeName", "src": "13182:7:0", "typeDescriptions": {} } }, "id": 589, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13182:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 590, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "13194:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 584, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 684, "src": "13152:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 591, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13152:49:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 592, "nodeType": "ExpressionStatement", "src": "13152:49:0" }, { "assignments": [ 594 ], "declarations": [ { "constant": false, "id": 594, "mutability": "mutable", "name": "accountBalance", "nodeType": "VariableDeclaration", "scope": 627, "src": "13214:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 593, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "13214:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 598, "initialValue": { "baseExpression": { "id": 595, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 194, "src": "13239:9:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 597, "indexExpression": { "id": 596, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 569, "src": "13249:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "13239:18:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "13214:43:0" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 602, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 600, "name": "accountBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 594, "src": "13276:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "id": 601, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "13294:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "13276:24:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a206275726e20616d6f756e7420657863656564732062616c616e6365", "id": 603, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "13302:36:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_149b126e7125232b4200af45303d04fba8b74653b1a295a6a561a528c33fefdd", "typeString": "literal_string \"ERC20: burn amount exceeds balance\"" }, "value": "ERC20: burn amount exceeds balance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_149b126e7125232b4200af45303d04fba8b74653b1a295a6a561a528c33fefdd", "typeString": "literal_string \"ERC20: burn amount exceeds balance\"" } ], "id": 599, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "13268:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 604, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13268:71:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 605, "nodeType": "ExpressionStatement", "src": "13268:71:0" }, { "expression": { "id": 612, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 606, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 194, "src": "13350:9:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 608, "indexExpression": { "id": 607, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 569, "src": "13360:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "13350:18:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 611, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 609, "name": "accountBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 594, "src": "13371:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 610, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "13388:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "13371:23:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "13350:44:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 613, "nodeType": "ExpressionStatement", "src": "13350:44:0" }, { "expression": { "id": 616, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 614, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 202, "src": "13405:12:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "id": 615, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "13421:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "13405:22:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 617, "nodeType": "ExpressionStatement", "src": "13405:22:0" }, { "eventCall": { "arguments": [ { "id": 619, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 569, "src": "13454:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "hexValue": "30", "id": 622, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "13471:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 621, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "13463:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 620, "name": "address", "nodeType": "ElementaryTypeName", "src": "13463:7:0", "typeDescriptions": {} } }, "id": 623, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13463:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 624, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "13475:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 618, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 149, "src": "13445:8:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 625, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13445:37:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 626, "nodeType": "EmitStatement", "src": "13440:42:0" } ] }, "documentation": { "id": 567, "nodeType": "StructuredDocumentation", "src": "12671:319:0", "text": " @dev Destroys `amount` tokens from `account`, reducing the\n total supply.\n Emits a {Transfer} event with `to` set to the zero address.\n Requirements:\n - `account` cannot be the zero address.\n - `account` must have at least `amount` tokens." }, "id": 628, "implemented": true, "kind": "function", "modifiers": [], "name": "_burn", "nodeType": "FunctionDefinition", "parameters": { "id": 572, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 569, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 628, "src": "13011:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 568, "name": "address", "nodeType": "ElementaryTypeName", "src": "13011:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 571, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 628, "src": "13028:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 570, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "13028:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "13010:33:0" }, "returnParameters": { "id": 573, "nodeType": "ParameterList", "parameters": [], "src": "13061:0:0" }, "scope": 685, "src": "12996:494:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 672, "nodeType": "Block", "src": "14011:263:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 644, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 639, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 631, "src": "14030:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 642, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "14047:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 641, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "14039:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 640, "name": "address", "nodeType": "ElementaryTypeName", "src": "14039:7:0", "typeDescriptions": {} } }, "id": 643, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "14039:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "14030:19:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a20617070726f76652066726f6d20746865207a65726f2061646472657373", "id": 645, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "14051:38:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208", "typeString": "literal_string \"ERC20: approve from the zero address\"" }, "value": "ERC20: approve from the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208", "typeString": "literal_string \"ERC20: approve from the zero address\"" } ], "id": 638, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "14022:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 646, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "14022:68:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 647, "nodeType": "ExpressionStatement", "src": "14022:68:0" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 654, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 649, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 633, "src": "14109:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 652, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "14128:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 651, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "14120:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 650, "name": "address", "nodeType": "ElementaryTypeName", "src": "14120:7:0", "typeDescriptions": {} } }, "id": 653, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "14120:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "14109:21:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a20617070726f766520746f20746865207a65726f2061646472657373", "id": 655, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "14132:36:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029", "typeString": "literal_string \"ERC20: approve to the zero address\"" }, "value": "ERC20: approve to the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029", "typeString": "literal_string \"ERC20: approve to the zero address\"" } ], "id": 648, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "14101:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 656, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "14101:68:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 657, "nodeType": "ExpressionStatement", "src": "14101:68:0" }, { "expression": { "id": 664, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "baseExpression": { "id": 658, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 200, "src": "14182:11:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 661, "indexExpression": { "id": 659, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 631, "src": "14194:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "14182:18:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 662, "indexExpression": { "id": 660, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 633, "src": "14201:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "14182:27:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 663, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 635, "src": "14212:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "14182:36:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 665, "nodeType": "ExpressionStatement", "src": "14182:36:0" }, { "eventCall": { "arguments": [ { "id": 667, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 631, "src": "14243:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 668, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 633, "src": "14250:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 669, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 635, "src": "14259:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 666, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 158, "src": "14234:8:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 670, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "14234:32:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 671, "nodeType": "EmitStatement", "src": "14229:37:0" } ] }, "documentation": { "id": 629, "nodeType": "StructuredDocumentation", "src": "13498:424:0", "text": " @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n This internal function is equivalent to `approve`, and can be used to\n e.g. set automatic allowances for certain subsystems, etc.\n Emits an {Approval} event.\n Requirements:\n - `owner` cannot be the zero address.\n - `spender` cannot be the zero address." }, "id": 673, "implemented": true, "kind": "function", "modifiers": [], "name": "_approve", "nodeType": "FunctionDefinition", "parameters": { "id": 636, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 631, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 673, "src": "13946:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 630, "name": "address", "nodeType": "ElementaryTypeName", "src": "13946:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 633, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 673, "src": "13961:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 632, "name": "address", "nodeType": "ElementaryTypeName", "src": "13961:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 635, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 673, "src": "13978:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 634, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "13978:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "13945:48:0" }, "returnParameters": { "id": 637, "nodeType": "ParameterList", "parameters": [], "src": "14011:0:0" }, "scope": 685, "src": "13928:346:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 683, "nodeType": "Block", "src": "14966:3:0", "statements": [] }, "documentation": { "id": 674, "nodeType": "StructuredDocumentation", "src": "14282:589:0", "text": " @dev Hook that is called before any transfer of tokens. This includes\n minting and burning.\n Calling conditions:\n - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n will be to transferred to `to`.\n - when `from` is zero, `amount` tokens will be minted for `to`.\n - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n - `from` and `to` are never both zero.\n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]." }, "id": 684, "implemented": true, "kind": "function", "modifiers": [], "name": "_beforeTokenTransfer", "nodeType": "FunctionDefinition", "parameters": { "id": 681, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 676, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 684, "src": "14907:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 675, "name": "address", "nodeType": "ElementaryTypeName", "src": "14907:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 678, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 684, "src": "14921:10:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 677, "name": "address", "nodeType": "ElementaryTypeName", "src": "14921:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 680, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 684, "src": "14933:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 679, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "14933:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "14906:42:0" }, "returnParameters": { "id": 682, "nodeType": "ParameterList", "parameters": [], "src": "14966:0:0" }, "scope": 685, "src": "14877:92:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 786, "src": "5423:9549:0" }, { "id": 686, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "14978:23:0" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 688, "name": "Context", "nodeType": "IdentifierPath", "referencedDeclaration": 4020, "src": "15256:7:0" }, "id": 689, "nodeType": "InheritanceSpecifier", "src": "15256:7:0" }, { "baseName": { "id": 690, "name": "ERC20", "nodeType": "IdentifierPath", "referencedDeclaration": 685, "src": "15265:5:0" }, "id": 691, "nodeType": "InheritanceSpecifier", "src": "15265:5:0" } ], "contractDependencies": [ 159, 182, 685, 4020 ], "contractKind": "contract", "documentation": { "id": 687, "nodeType": "StructuredDocumentation", "src": "15007:212:0", "text": " @dev Extension of {ERC20} that allows token holders to destroy both their own\n tokens and those that they have an allowance for, in a way that can be\n recognized off-chain (via event analysis)." }, "fullyImplemented": false, "id": 743, "linearizedBaseContracts": [ 743, 685, 182, 159, 4020 ], "name": "ERC20Burnable", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 703, "nodeType": "Block", "src": "15431:46:0", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 698, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "15448:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 699, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15448:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 700, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 694, "src": "15462:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 697, "name": "_burn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 628, "src": "15442:5:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 701, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15442:27:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 702, "nodeType": "ExpressionStatement", "src": "15442:27:0" } ] }, "documentation": { "id": 692, "nodeType": "StructuredDocumentation", "src": "15278:102:0", "text": " @dev Destroys `amount` tokens from the caller.\n See {ERC20-_burn}." }, "functionSelector": "42966c68", "id": 704, "implemented": true, "kind": "function", "modifiers": [], "name": "burn", "nodeType": "FunctionDefinition", "parameters": { "id": 695, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 694, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 704, "src": "15400:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 693, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "15400:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "15399:16:0" }, "returnParameters": { "id": 696, "nodeType": "ParameterList", "parameters": [], "src": "15431:0:0" }, "scope": 743, "src": "15386:91:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 741, "nodeType": "Block", "src": "15862:266:0", "statements": [ { "assignments": [ 713 ], "declarations": [ { "constant": false, "id": 713, "mutability": "mutable", "name": "currentAllowance", "nodeType": "VariableDeclaration", "scope": 741, "src": "15873:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 712, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "15873:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 719, "initialValue": { "arguments": [ { "id": 715, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 707, "src": "15910:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [], "expression": { "argumentTypes": [], "id": 716, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "15919:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 717, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15919:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 714, "name": "allowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 316, "src": "15900:9:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_address_$returns$_t_uint256_$", "typeString": "function (address,address) view returns (uint256)" } }, "id": 718, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15900:32:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "15873:59:0" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 723, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 721, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 713, "src": "15951:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "id": 722, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 709, "src": "15971:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "15951:26:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a206275726e20616d6f756e74206578636565647320616c6c6f77616e6365", "id": 724, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "15979:38:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_a287c363786607a1457a2d9d12fa61c0073358e02d76b4035fc2c2d86a19c0db", "typeString": "literal_string \"ERC20: burn amount exceeds allowance\"" }, "value": "ERC20: burn amount exceeds allowance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_a287c363786607a1457a2d9d12fa61c0073358e02d76b4035fc2c2d86a19c0db", "typeString": "literal_string \"ERC20: burn amount exceeds allowance\"" } ], "id": 720, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "15943:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 725, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15943:75:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 726, "nodeType": "ExpressionStatement", "src": "15943:75:0" }, { "expression": { "arguments": [ { "id": 728, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 707, "src": "16038:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [], "expression": { "argumentTypes": [], "id": 729, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "16047:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 730, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16047:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 733, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 731, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 713, "src": "16061:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 732, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 709, "src": "16080:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "16061:25:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 727, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 673, "src": "16029:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 734, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16029:58:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 735, "nodeType": "ExpressionStatement", "src": "16029:58:0" }, { "expression": { "arguments": [ { "id": 737, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 707, "src": "16104:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 738, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 709, "src": "16113:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 736, "name": "_burn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 628, "src": "16098:5:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 739, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16098:22:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 740, "nodeType": "ExpressionStatement", "src": "16098:22:0" } ] }, "documentation": { "id": 705, "nodeType": "StructuredDocumentation", "src": "15485:305:0", "text": " @dev Destroys `amount` tokens from `account`, deducting from the caller's\n allowance.\n See {ERC20-_burn} and {ERC20-allowance}.\n Requirements:\n - the caller must have allowance for ``accounts``'s tokens of at least\n `amount`." }, "functionSelector": "79cc6790", "id": 742, "implemented": true, "kind": "function", "modifiers": [], "name": "burnFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 710, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 707, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 742, "src": "15814:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 706, "name": "address", "nodeType": "ElementaryTypeName", "src": "15814:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 709, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 742, "src": "15831:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 708, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "15831:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "15813:33:0" }, "returnParameters": { "id": 711, "nodeType": "ParameterList", "parameters": [], "src": "15862:0:0" }, "scope": 743, "src": "15796:332:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 786, "src": "15221:910:0" }, { "id": 744, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "16135:23:0" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 746, "name": "ERC20Burnable", "nodeType": "IdentifierPath", "referencedDeclaration": 743, "src": "16566:13:0" }, "id": 747, "nodeType": "InheritanceSpecifier", "src": "16566:13:0" } ], "contractDependencies": [ 159, 182, 685, 743, 4020 ], "contractKind": "contract", "documentation": { "id": 745, "nodeType": "StructuredDocumentation", "src": "16162:367:0", "text": " @dev {ERC20} token, including:\n - Preminted initial supply\n - Ability for holders to burn (destroy) their tokens\n - No access control mechanism (for minting/pausing) and hence no governance\n This contract uses {ERC20Burnable} to include burn capabilities - head to\n its documentation for details.\n _Available since v3.4._" }, "fullyImplemented": true, "id": 770, "linearizedBaseContracts": [ 770, 743, 685, 182, 159, 4020 ], "name": "ERC20PresetFixedSupply", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 768, "nodeType": "Block", "src": "16883:46:0", "statements": [ { "expression": { "arguments": [ { "id": 764, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "16900:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 765, "name": "initialSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 754, "src": "16907:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 763, "name": "_mint", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 566, "src": "16894:5:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 766, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16894:27:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 767, "nodeType": "ExpressionStatement", "src": "16894:27:0" } ] }, "documentation": { "id": 748, "nodeType": "StructuredDocumentation", "src": "16587:135:0", "text": " @dev Mints `initialSupply` amount of token and transfers them to `owner`.\n See {ERC20-constructor}." }, "id": 769, "implemented": true, "kind": "constructor", "modifiers": [ { "arguments": [ { "id": 759, "name": "name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 750, "src": "16869:4:0", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, { "id": 760, "name": "symbol", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 752, "src": "16875:6:0", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "id": 761, "modifierName": { "id": 758, "name": "ERC20", "nodeType": "IdentifierPath", "referencedDeclaration": 685, "src": "16863:5:0" }, "nodeType": "ModifierInvocation", "src": "16863:19:0" } ], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 757, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 750, "mutability": "mutable", "name": "name", "nodeType": "VariableDeclaration", "scope": 769, "src": "16750:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 749, "name": "string", "nodeType": "ElementaryTypeName", "src": "16750:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 752, "mutability": "mutable", "name": "symbol", "nodeType": "VariableDeclaration", "scope": 769, "src": "16779:20:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 751, "name": "string", "nodeType": "ElementaryTypeName", "src": "16779:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 754, "mutability": "mutable", "name": "initialSupply", "nodeType": "VariableDeclaration", "scope": 769, "src": "16810:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 753, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "16810:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 756, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 769, "src": "16842:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 755, "name": "address", "nodeType": "ElementaryTypeName", "src": "16842:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "16739:123:0" }, "returnParameters": { "id": 762, "nodeType": "ParameterList", "parameters": [], "src": "16883:0:0" }, "scope": 770, "src": "16728:201:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" } ], "scope": 786, "src": "16531:401:0" }, { "id": 771, "literals": [ "solidity", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "16938:22:0" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 772, "name": "ERC20PresetFixedSupply", "nodeType": "IdentifierPath", "referencedDeclaration": 770, "src": "16979:22:0" }, "id": 773, "nodeType": "InheritanceSpecifier", "src": "16979:22:0" } ], "contractDependencies": [ 159, 182, 685, 743, 770, 4020 ], "contractKind": "contract", "fullyImplemented": true, "id": 785, "linearizedBaseContracts": [ 785, 770, 743, 685, 182, 159, 4020 ], "name": "MYTC", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 783, "nodeType": "Block", "src": "17117:8:0", "statements": [] }, "id": 784, "implemented": true, "kind": "constructor", "modifiers": [ { "arguments": [ { "hexValue": "4d595443", "id": 776, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "17055:6:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_bcc0820e19eac3205870e1329c44756d4ce43f10cfa90861eb8c779f9a5ef311", "typeString": "literal_string \"MYTC\"" }, "value": "MYTC" }, { "hexValue": "4d595443", "id": 777, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "17063:6:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_bcc0820e19eac3205870e1329c44756d4ce43f10cfa90861eb8c779f9a5ef311", "typeString": "literal_string \"MYTC\"" }, "value": "MYTC" }, { "hexValue": "313030303030303030303030", "id": 778, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "17071:12:0", "typeDescriptions": { "typeIdentifier": "t_rational_100000000000_by_1", "typeString": "int_const 100000000000" }, "value": "100000000000" }, { "expression": { "id": 779, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967281, "src": "17084:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 780, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "src": "17084:10:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 781, "modifierName": { "id": 775, "name": "ERC20PresetFixedSupply", "nodeType": "IdentifierPath", "referencedDeclaration": 770, "src": "17032:22:0" }, "nodeType": "ModifierInvocation", "src": "17032:63:0" } ], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 774, "nodeType": "ParameterList", "parameters": [], "src": "17020:2:0" }, "returnParameters": { "id": 782, "nodeType": "ParameterList", "parameters": [], "src": "17117:0:0" }, "scope": 785, "src": "17009:116:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" } ], "scope": 786, "src": "16962:166:0" } ], "src": "33:17097:0" }, "legacyAST": { "absolutePath": "/F/Assignment/aibcccc/AIBC/contracts/CommunityContract.sol", "exportedSymbols": { "Address": [ 3997 ], "CommunityContract": [ 82 ], "Context": [ 4020 ], "Counters": [ 4081 ], "ERC165": [ 4308 ], "ERC20": [ 685 ], "ERC20Burnable": [ 743 ], "ERC20PresetFixedSupply": [ 770 ], "ERC721": [ 3381 ], "ERC721URIStorage": [ 3643 ], "GenesisContract": [ 2527 ], "IERC165": [ 4320 ], "IERC20": [ 159 ], "IERC20Metadata": [ 182 ], "IERC721": [ 3497 ], "IERC721Enumerable": [ 3674 ], "IERC721Metadata": [ 3701 ], "IERC721Receiver": [ 3515 ], "MYTC": [ 785 ], "Strings": [ 4284 ] }, "id": 786, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:0" }, { "absolutePath": "/F/Assignment/aibcccc/AIBC/contracts/GenesisContract.sol", "file": "./GenesisContract.sol", "id": 2, "nodeType": "ImportDirective", "scope": 786, "sourceUnit": 2528, "src": "60:31:0", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "fullyImplemented": true, "id": 82, "linearizedBaseContracts": [ 82 ], "name": "CommunityContract", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 61, "nodeType": "Block", "src": "224:418:0", "statements": [ { "assignments": [ 13 ], "declarations": [ { "constant": false, "id": 13, "mutability": "mutable", "name": "c", "nodeType": "VariableDeclaration", "scope": 61, "src": "235:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_GenesisContract_$2527", "typeString": "contract GenesisContract" }, "typeName": { "id": 12, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 11, "name": "GenesisContract", "nodeType": "IdentifierPath", "referencedDeclaration": 2527, "src": "235:15:0" }, "referencedDeclaration": 2527, "src": "235:15:0", "typeDescriptions": { "typeIdentifier": "t_contract$_GenesisContract_$2527", "typeString": "contract GenesisContract" } }, "visibility": "internal" } ], "id": 17, "initialValue": { "arguments": [ { "id": 15, "name": "addr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4, "src": "271:4:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 14, "name": "GenesisContract", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2527, "src": "255:15:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_GenesisContract_$2527_$", "typeString": "type(contract GenesisContract)" } }, "id": 16, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "255:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_GenesisContract_$2527", "typeString": "contract GenesisContract" } }, "nodeType": "VariableDeclarationStatement", "src": "235:41:0" }, { "assignments": [ 22 ], "declarations": [ { "constant": false, "id": 22, "mutability": "mutable", "name": "tokens", "nodeType": "VariableDeclaration", 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"overloadedDeclarations": [], "referencedDeclaration": 13, "src": "312:1:0", "typeDescriptions": { "typeIdentifier": "t_contract$_GenesisContract_$2527", "typeString": "contract GenesisContract" } }, "id": 24, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "getTokens", "nodeType": "MemberAccess", "referencedDeclaration": 2412, "src": "312:11:0", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_array$_t_uint256_$dyn_memory_ptr_$", "typeString": "function (address) view external returns (uint256[] memory)" } }, "id": 26, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "312:18:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_memory_ptr", "typeString": "uint256[] memory" } }, "nodeType": "VariableDeclarationStatement", "src": "287:43:0" }, { "assignments": [ 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"functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "481:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "474:28:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 55, "nodeType": "Block", "src": "553:45:0", "statements": [ { "expression": { "id": 53, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "572:10:0", "subExpression": { "id": 52, "name": "response", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 29, "src": "572:8:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 54, "nodeType": "ExpressionStatement", "src": "572:10:0" } ] }, "id": 56, "nodeType": "IfStatement", "src": "471:127:0", "trueBody": { "id": 51, "nodeType": "Block", "src": "503:32:0", "statements": [] } } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 39, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 36, "name": "_i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 33, "src": "434:2:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "expression": { "id": 37, "name": "tokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22, "src": "437:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_memory_ptr", "typeString": "uint256[] memory" } }, "id": 38, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "437:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "434:16:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 58, "initializationExpression": { "assignments": [ 33 ], "declarations": [ { "constant": false, "id": 33, "mutability": "mutable", "name": "_i", "nodeType": "VariableDeclaration", "scope": 58, "src": "424:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 32, "name": "uint", "nodeType": "ElementaryTypeName", "src": "424:4:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 35, "initialValue": { "hexValue": "30", "id": 34, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "432:1:0", "typeDescriptions": { "typeIdentifier": 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"view", "virtual": false, "visibility": "public" }, { "body": { "id": 80, "nodeType": "Block", "src": "723:154:0", "statements": [ { "assignments": [ 71 ], "declarations": [ { "constant": false, "id": 71, "mutability": "mutable", "name": "a", "nodeType": "VariableDeclaration", "scope": 80, "src": "822:6:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_MYTC_$785", "typeString": "contract MYTC" }, "typeName": { "id": 70, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 69, "name": "MYTC", "nodeType": "IdentifierPath", "referencedDeclaration": 785, "src": "822:4:0" }, "referencedDeclaration": 785, "src": "822:4:0", "typeDescriptions": { "typeIdentifier": "t_contract$_MYTC_$785", "typeString": "contract MYTC" } }, "visibility": "internal" } ], "id": 75, "initialValue": { "arguments": [ { "id": 73, "name": "addr1", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 64, "src": "835:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 72, "name": "MYTC", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 785, "src": "830:4:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_MYTC_$785_$", "typeString": "type(contract MYTC)" } }, "id": 74, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "830:11:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_MYTC_$785", "typeString": "contract MYTC" } }, "nodeType": "VariableDeclarationStatement", "src": "822:19:0" }, { "expression": { "arguments": [], "expression": { "argumentTypes": [], "expression": { "id": 76, "name": "a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 71, "src": 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"FunctionDefinition", "parameters": { "id": 65, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 64, "mutability": "mutable", "name": "addr1", "nodeType": "VariableDeclaration", "scope": 81, "src": "673:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 63, "name": "address", "nodeType": "ElementaryTypeName", "src": "673:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "672:15:0" }, "returnParameters": { "id": 68, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 67, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 81, "src": "708:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 66, "name": "string", "nodeType": "ElementaryTypeName", "src": "708:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "707:15:0" }, "scope": 82, "src": "654:223:0", "stateMutability": "view", "virtual": false, "visibility": "public" } ], "scope": 786, "src": "97:783:0" }, { "id": 83, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "884:23:0" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "interface", "documentation": { "id": 84, "nodeType": "StructuredDocumentation", "src": "911:72:0", "text": " @dev Interface of the ERC20 standard as defined in the EIP." }, "fullyImplemented": false, "id": 159, "linearizedBaseContracts": [ 159 ], "name": "IERC20", "nodeType": "ContractDefinition", "nodes": [ { "documentation": { "id": 85, "nodeType": "StructuredDocumentation", "src": "1009:68:0", "text": " @dev Returns the amount of tokens in existence." }, "functionSelector": "18160ddd", "id": 90, "implemented": false, "kind": "function", "modifiers": [], "name": "totalSupply", "nodeType": "FunctionDefinition", "parameters": { "id": 86, "nodeType": "ParameterList", "parameters": [], "src": "1103:2:0" }, "returnParameters": { "id": 89, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 88, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 90, "src": "1129:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 87, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1129:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1128:9:0" }, "scope": 159, "src": "1083:55:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 91, "nodeType": "StructuredDocumentation", "src": "1146:74:0", "text": " @dev Returns the amount of tokens owned by `account`." }, "functionSelector": "70a08231", "id": 98, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 94, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 93, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 98, "src": "1245:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 92, "name": "address", "nodeType": "ElementaryTypeName", "src": "1245:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1244:17:0" }, "returnParameters": { "id": 97, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 96, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 98, "src": "1285:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 95, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1285:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1284:9:0" }, "scope": 159, "src": "1226:68:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 99, "nodeType": "StructuredDocumentation", "src": "1302:215:0", "text": " @dev Moves `amount` tokens from the caller's account to `recipient`.\n Returns a boolean value indicating whether the operation succeeded.\n Emits a {Transfer} event." }, "functionSelector": "a9059cbb", "id": 108, "implemented": false, "kind": "function", "modifiers": [], "name": "transfer", "nodeType": "FunctionDefinition", "parameters": { "id": 104, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 101, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 108, "src": "1541:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 100, "name": "address", "nodeType": "ElementaryTypeName", "src": "1541:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 103, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 108, "src": "1560:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 102, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1560:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1540:35:0" }, "returnParameters": { "id": 107, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 106, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 108, "src": "1594:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 105, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1594:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "1593:6:0" }, "scope": 159, "src": "1523:77:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 109, "nodeType": "StructuredDocumentation", "src": "1608:270:0", "text": " @dev Returns the remaining number of tokens that `spender` will be\n allowed to spend on behalf of `owner` through {transferFrom}. This is\n zero by default.\n This value changes when {approve} or {transferFrom} are called." }, "functionSelector": "dd62ed3e", "id": 118, "implemented": false, "kind": "function", "modifiers": [], "name": "allowance", "nodeType": "FunctionDefinition", "parameters": { "id": 114, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 111, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 118, "src": "1903:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 110, "name": "address", "nodeType": "ElementaryTypeName", "src": "1903:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 113, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 118, "src": "1918:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 112, "name": "address", "nodeType": "ElementaryTypeName", "src": "1918:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1902:32:0" }, "returnParameters": { "id": 117, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 116, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 118, "src": "1958:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 115, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1958:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1957:9:0" }, "scope": 159, "src": "1884:83:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 119, "nodeType": "StructuredDocumentation", "src": "1975:655:0", "text": " @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n Returns a boolean value indicating whether the operation succeeded.\n IMPORTANT: Beware that changing an allowance with this method brings the risk\n that someone may use both the old and the new allowance by unfortunate\n transaction ordering. One possible solution to mitigate this race\n condition is to first reduce the spender's allowance to 0 and set the\n desired value afterwards:\n https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n Emits an {Approval} event." }, "functionSelector": "095ea7b3", "id": 128, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 124, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 121, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 128, "src": "2653:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 120, "name": "address", "nodeType": "ElementaryTypeName", "src": "2653:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 123, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 128, "src": "2670:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 122, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2670:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2652:33:0" }, "returnParameters": { "id": 127, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 126, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 128, "src": "2704:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 125, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2704:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "2703:6:0" }, "scope": 159, "src": "2636:74:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 129, "nodeType": "StructuredDocumentation", "src": "2718:304:0", "text": " @dev Moves `amount` tokens from `sender` to `recipient` using the\n allowance mechanism. `amount` is then deducted from the caller's\n allowance.\n Returns a boolean value indicating whether the operation succeeded.\n Emits a {Transfer} event." }, "functionSelector": "23b872dd", "id": 140, "implemented": false, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 136, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 131, "mutability": "mutable", "name": "sender", "nodeType": "VariableDeclaration", "scope": 140, "src": "3050:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 130, "name": "address", "nodeType": "ElementaryTypeName", "src": "3050:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 133, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 140, "src": "3066:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 132, "name": "address", "nodeType": "ElementaryTypeName", "src": "3066:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 135, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 140, "src": "3085:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 134, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3085:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3049:51:0" }, "returnParameters": { "id": 139, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 138, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 140, "src": "3119:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 137, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3119:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3118:6:0" }, "scope": 159, "src": "3028:97:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "anonymous": false, "documentation": { "id": 141, "nodeType": "StructuredDocumentation", "src": "3133:163:0", "text": " @dev Emitted when `value` tokens are moved from one account (`from`) to\n another (`to`).\n Note that `value` may be zero." }, "id": 149, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 148, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 143, "indexed": true, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 149, "src": "3317:20:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 142, "name": "address", "nodeType": "ElementaryTypeName", "src": "3317:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 145, "indexed": true, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 149, "src": "3339:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 144, "name": "address", "nodeType": "ElementaryTypeName", "src": "3339:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 147, "indexed": false, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "scope": 149, "src": "3359:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 146, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3359:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3316:57:0" }, "src": "3302:72:0" }, { "anonymous": false, "documentation": { "id": 150, "nodeType": "StructuredDocumentation", "src": "3382:151:0", "text": " @dev Emitted when the allowance of a `spender` for an `owner` is set by\n a call to {approve}. `value` is the new allowance." }, "id": 158, "name": "Approval", "nodeType": "EventDefinition", "parameters": { "id": 157, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 152, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 158, "src": "3554:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 151, "name": "address", "nodeType": "ElementaryTypeName", "src": "3554:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 154, "indexed": true, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 158, "src": "3577:23:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 153, "name": "address", "nodeType": "ElementaryTypeName", "src": "3577:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 156, "indexed": false, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "scope": 158, "src": "3602:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 155, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3602:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3553:63:0" }, "src": "3539:78:0" } ], "scope": 786, "src": "985:2635:0" }, { "id": 160, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "3628:23:0" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 162, "name": "IERC20", "nodeType": "IdentifierPath", "referencedDeclaration": 159, "src": "3807:6:0" }, "id": 163, "nodeType": "InheritanceSpecifier", "src": "3807:6:0" } ], "contractDependencies": [ 159 ], "contractKind": "interface", "documentation": { "id": 161, "nodeType": "StructuredDocumentation", "src": "3657:120:0", "text": " @dev Interface for the optional metadata functions from the ERC20 standard.\n _Available since v4.1._" }, "fullyImplemented": false, "id": 182, "linearizedBaseContracts": [ 182, 159 ], "name": "IERC20Metadata", "nodeType": "ContractDefinition", "nodes": [ { "documentation": { "id": 164, "nodeType": "StructuredDocumentation", "src": "3821:56:0", "text": " @dev Returns the name of the token." }, "functionSelector": "06fdde03", "id": 169, "implemented": false, "kind": "function", "modifiers": [], "name": "name", "nodeType": "FunctionDefinition", "parameters": { "id": 165, "nodeType": "ParameterList", "parameters": [], "src": "3896:2:0" }, "returnParameters": { "id": 168, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 167, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 169, "src": "3922:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 166, "name": "string", "nodeType": "ElementaryTypeName", "src": "3922:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "3921:15:0" }, "scope": 182, "src": "3883:54:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 170, "nodeType": "StructuredDocumentation", "src": "3945:58:0", "text": " @dev Returns the symbol of the token." }, "functionSelector": "95d89b41", "id": 175, "implemented": false, "kind": "function", "modifiers": [], "name": "symbol", "nodeType": "FunctionDefinition", "parameters": { "id": 171, "nodeType": "ParameterList", "parameters": [], "src": "4024:2:0" }, "returnParameters": { "id": 174, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 173, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 175, "src": "4050:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 172, "name": "string", "nodeType": "ElementaryTypeName", "src": "4050:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "4049:15:0" }, "scope": 182, "src": "4009:56:0", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 176, "nodeType": "StructuredDocumentation", "src": "4073:67:0", "text": " @dev Returns the decimals places of the token." }, "functionSelector": "313ce567", "id": 181, "implemented": false, "kind": "function", "modifiers": [], "name": "decimals", "nodeType": "FunctionDefinition", "parameters": { "id": 177, "nodeType": "ParameterList", "parameters": [], "src": "4163:2:0" }, "returnParameters": { "id": 180, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 179, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 181, "src": "4189:5:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 178, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "4189:5:0", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "src": "4188:7:0" }, "scope": 182, "src": "4146:50:0", "stateMutability": "view", "virtual": false, "visibility": "external" } ], "scope": 786, "src": "3779:420:0" }, { "id": 183, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "4207:23:0" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 185, "name": "Context", "nodeType": "IdentifierPath", "referencedDeclaration": 4020, "src": "5441:7:0" }, "id": 186, "nodeType": "InheritanceSpecifier", "src": "5441:7:0" }, { "baseName": { "id": 187, "name": "IERC20", "nodeType": "IdentifierPath", "referencedDeclaration": 159, "src": "5450:6:0" }, "id": 188, "nodeType": "InheritanceSpecifier", "src": "5450:6:0" }, { "baseName": { "id": 189, "name": "IERC20Metadata", "nodeType": "IdentifierPath", "referencedDeclaration": 182, "src": "5458:14:0" }, "id": 190, "nodeType": "InheritanceSpecifier", "src": "5458:14:0" } ], "contractDependencies": [ 159, 182, 4020 ], "contractKind": "contract", "documentation": { "id": 184, "nodeType": "StructuredDocumentation", "src": "4236:1185:0", "text": " @dev Implementation of the {IERC20} interface.\n This implementation is agnostic to the way tokens are created. This means\n that a supply mechanism has to be added in a derived contract using {_mint}.\n For a generic mechanism see {ERC20PresetMinterPauser}.\n TIP: For a detailed writeup see our guide\n https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n to implement supply mechanisms].\n We have followed general OpenZeppelin guidelines: functions revert instead\n of returning `false` on failure. This behavior is nonetheless conventional\n and does not conflict with the expectations of ERC20 applications.\n Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n This allows applications to reconstruct the allowance for all accounts just\n by listening to said events. Other implementations of the EIP may not emit\n these events, as it isn't required by the specification.\n Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n functions have been added to mitigate the well-known issues around setting\n allowances. See {IERC20-approve}." }, "fullyImplemented": true, "id": 685, "linearizedBaseContracts": [ 685, 182, 159, 4020 ], "name": "ERC20", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 194, "mutability": "mutable", "name": "_balances", "nodeType": "VariableDeclaration", "scope": 685, "src": "5480:46:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "typeName": { "id": 193, "keyType": { "id": 191, "name": "address", "nodeType": "ElementaryTypeName", "src": "5489:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "5480:28:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 192, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5500:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "visibility": "private" }, { "constant": false, "id": 200, "mutability": "mutable", "name": "_allowances", "nodeType": "VariableDeclaration", "scope": 685, "src": "5535:69:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "typeName": { "id": 199, "keyType": { "id": 195, "name": "address", "nodeType": "ElementaryTypeName", "src": "5544:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "5535:49:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "valueType": { "id": 198, "keyType": { "id": 196, "name": "address", "nodeType": "ElementaryTypeName", "src": "5564:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "5555:28:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 197, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5575:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } } }, "visibility": "private" }, { "constant": false, "id": 202, "mutability": "mutable", "name": "_totalSupply", "nodeType": "VariableDeclaration", "scope": 685, "src": "5613:28:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 201, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5613:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "private" }, { "constant": false, "id": 204, "mutability": "mutable", "name": "_name", "nodeType": "VariableDeclaration", "scope": 685, "src": "5650:20:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 203, "name": "string", "nodeType": "ElementaryTypeName", "src": "5650:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "private" }, { "constant": false, "id": 206, "mutability": "mutable", "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 685, "src": "5677:22:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 205, "name": "string", "nodeType": "ElementaryTypeName", "src": "5677:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "private" }, { "body": { "id": 222, "nodeType": "Block", "src": "6076:60:0", "statements": [ { "expression": { "id": 216, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 214, "name": "_name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 204, "src": "6087:5:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 215, "name": "name_", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 209, "src": "6095:5:0", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "6087:13:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 217, "nodeType": "ExpressionStatement", "src": "6087:13:0" }, { "expression": { "id": 220, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 218, "name": "_symbol", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 206, "src": "6111:7:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 219, "name": "symbol_", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 211, "src": "6121:7:0", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "6111:17:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 221, "nodeType": "ExpressionStatement", "src": "6111:17:0" } ] }, "documentation": { "id": 207, "nodeType": "StructuredDocumentation", "src": "5708:305:0", "text": " @dev Sets the values for {name} and {symbol}.\n The defaut value of {decimals} is 18. To select a different value for\n {decimals} you should overload it.\n All two of these values are immutable: they can only be set once during\n construction." }, "id": 223, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 212, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 209, "mutability": "mutable", "name": "name_", "nodeType": "VariableDeclaration", "scope": 223, "src": "6032:19:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 208, "name": "string", "nodeType": "ElementaryTypeName", "src": "6032:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 211, "mutability": "mutable", "name": "symbol_", "nodeType": "VariableDeclaration", "scope": 223, "src": "6053:21:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 210, "name": "string", "nodeType": "ElementaryTypeName", "src": "6053:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "6031:44:0" }, "returnParameters": { "id": 213, "nodeType": "ParameterList", "parameters": [], "src": "6076:0:0" }, "scope": 685, "src": "6019:117:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "baseFunctions": [ 169 ], "body": { "id": 232, "nodeType": "Block", "src": "6275:31:0", "statements": [ { "expression": { "id": 230, "name": "_name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 204, "src": "6293:5:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "functionReturnParameters": 229, "id": 231, "nodeType": "Return", "src": "6286:12:0" } ] }, "documentation": { "id": 224, "nodeType": "StructuredDocumentation", "src": "6144:56:0", "text": " @dev Returns the name of the token." }, "functionSelector": "06fdde03", "id": 233, "implemented": true, "kind": "function", "modifiers": [], "name": "name", "nodeType": "FunctionDefinition", "overrides": { "id": 226, "nodeType": "OverrideSpecifier", "overrides": [], "src": "6242:8:0" }, "parameters": { "id": 225, "nodeType": "ParameterList", "parameters": [], "src": "6219:2:0" }, "returnParameters": { "id": 229, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 228, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 233, "src": "6260:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 227, "name": "string", "nodeType": "ElementaryTypeName", "src": "6260:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "6259:15:0" }, "scope": 685, "src": "6206:100:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 175 ], "body": { "id": 242, "nodeType": "Block", "src": "6496:33:0", "statements": [ { "expression": { "id": 240, "name": "_symbol", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 206, "src": "6514:7:0", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "functionReturnParameters": 239, "id": 241, "nodeType": "Return", "src": "6507:14:0" } ] }, "documentation": { "id": 234, "nodeType": "StructuredDocumentation", "src": "6314:105:0", "text": " @dev Returns the symbol of the token, usually a shorter version of the\n name." }, "functionSelector": "95d89b41", "id": 243, "implemented": true, "kind": "function", "modifiers": [], "name": "symbol", "nodeType": "FunctionDefinition", "overrides": { "id": 236, "nodeType": "OverrideSpecifier", "overrides": [], "src": "6463:8:0" }, "parameters": { "id": 235, "nodeType": "ParameterList", "parameters": [], "src": "6440:2:0" }, "returnParameters": { "id": 239, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 238, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 243, "src": "6481:13:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 237, "name": "string", "nodeType": "ElementaryTypeName", "src": "6481:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "6480:15:0" }, "scope": 685, "src": "6425:104:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 181 ], "body": { "id": 252, "nodeType": "Block", "src": "7233:27:0", "statements": [ { "expression": { "hexValue": "30", "id": 250, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7251:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 249, "id": 251, "nodeType": "Return", "src": "7244:8:0" } ] }, "documentation": { "id": 244, "nodeType": "StructuredDocumentation", "src": "6537:625:0", "text": " @dev Returns the number of decimals used to get its user representation.\n For example, if `decimals` equals `2`, a balance of `505` tokens should\n be displayed to a user as `5,05` (`505 / 10 ** 2`).\n Tokens usually opt for a value of 18, imitating the relationship between\n Ether and Wei. This is the value {ERC20} uses, unless this function is\n overridden;\n NOTE: This information is only used for _display_ purposes: it in\n no way affects any of the arithmetic of the contract, including\n {IERC20-balanceOf} and {IERC20-transfer}." }, "functionSelector": "313ce567", "id": 253, "implemented": true, "kind": "function", "modifiers": [], "name": "decimals", "nodeType": "FunctionDefinition", "overrides": { "id": 246, "nodeType": "OverrideSpecifier", "overrides": [], "src": "7208:8:0" }, "parameters": { "id": 245, "nodeType": "ParameterList", "parameters": [], "src": "7185:2:0" }, "returnParameters": { "id": 249, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 248, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 253, "src": "7226:5:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 247, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "7226:5:0", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "src": "7225:7:0" }, "scope": 685, "src": "7168:92:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 90 ], "body": { "id": 262, "nodeType": "Block", "src": "7395:38:0", "statements": [ { "expression": { "id": 260, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 202, "src": "7413:12:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 259, "id": 261, "nodeType": "Return", "src": "7406:19:0" } ] }, "documentation": { "id": 254, "nodeType": "StructuredDocumentation", "src": "7268:51:0", "text": " @dev See {IERC20-totalSupply}." }, "functionSelector": "18160ddd", "id": 263, "implemented": true, "kind": "function", "modifiers": [], "name": "totalSupply", "nodeType": "FunctionDefinition", "overrides": { "id": 256, "nodeType": "OverrideSpecifier", "overrides": [], "src": "7368:8:0" }, "parameters": { "id": 255, "nodeType": "ParameterList", "parameters": [], "src": "7345:2:0" }, "returnParameters": { "id": 259, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 258, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 263, "src": "7386:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 257, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7386:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "7385:9:0" }, "scope": 685, "src": "7325:108:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 98 ], "body": { "id": 276, "nodeType": "Block", "src": "7579:44:0", "statements": [ { "expression": { "baseExpression": { "id": 272, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 194, "src": "7597:9:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 274, "indexExpression": { "id": 273, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 266, "src": "7607:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7597:18:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 271, "id": 275, "nodeType": "Return", "src": "7590:25:0" } ] }, "documentation": { "id": 264, "nodeType": "StructuredDocumentation", "src": "7441:49:0", "text": " @dev See {IERC20-balanceOf}." }, "functionSelector": "70a08231", "id": 277, "implemented": true, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "overrides": { "id": 268, "nodeType": "OverrideSpecifier", "overrides": [], "src": "7552:8:0" }, "parameters": { "id": 267, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 266, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 277, "src": "7515:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 265, "name": "address", "nodeType": "ElementaryTypeName", "src": "7515:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "7514:17:0" }, "returnParameters": { "id": 271, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 270, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 277, "src": "7570:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 269, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7570:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "7569:9:0" }, "scope": 685, "src": "7496:127:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 108 ], "body": { "id": 297, "nodeType": "Block", "src": "7928:83:0", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 289, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "7949:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 290, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7949:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 291, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 280, "src": "7963:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 292, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 282, "src": "7974:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 288, "name": "_transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 519, "src": "7939:9:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 293, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7939:42:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 294, "nodeType": "ExpressionStatement", "src": "7939:42:0" }, { "expression": { "hexValue": "74727565", "id": 295, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "7999:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 287, "id": 296, "nodeType": "Return", "src": "7992:11:0" } ] }, "documentation": { "id": 278, "nodeType": "StructuredDocumentation", "src": "7631:199:0", "text": " @dev See {IERC20-transfer}.\n Requirements:\n - `recipient` cannot be the zero address.\n - the caller must have a balance of at least `amount`." }, "functionSelector": "a9059cbb", "id": 298, "implemented": true, "kind": "function", "modifiers": [], "name": "transfer", "nodeType": "FunctionDefinition", "overrides": { "id": 284, "nodeType": "OverrideSpecifier", "overrides": [], "src": "7904:8:0" }, "parameters": { "id": 283, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 280, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 298, "src": "7854:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 279, "name": "address", "nodeType": "ElementaryTypeName", "src": "7854:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 282, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 298, "src": "7873:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 281, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7873:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "7853:35:0" }, "returnParameters": { "id": 287, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 286, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 298, "src": "7922:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 285, "name": "bool", "nodeType": "ElementaryTypeName", "src": "7922:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "7921:6:0" }, "scope": 685, "src": "7836:175:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 118 ], "body": { "id": 315, "nodeType": "Block", "src": "8172:53:0", "statements": [ { "expression": { "baseExpression": { "baseExpression": { "id": 309, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 200, "src": "8190:11:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 311, "indexExpression": { "id": 310, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 301, "src": "8202:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8190:18:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 313, "indexExpression": { "id": 312, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 303, "src": "8209:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8190:27:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 308, "id": 314, "nodeType": "Return", "src": "8183:34:0" } ] }, "documentation": { "id": 299, "nodeType": "StructuredDocumentation", "src": "8019:49:0", "text": " @dev See {IERC20-allowance}." }, "functionSelector": "dd62ed3e", "id": 316, "implemented": true, "kind": "function", "modifiers": [], "name": "allowance", "nodeType": "FunctionDefinition", "overrides": { "id": 305, "nodeType": "OverrideSpecifier", "overrides": [], "src": "8145:8:0" }, "parameters": { "id": 304, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 301, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 316, "src": "8093:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 300, "name": "address", "nodeType": "ElementaryTypeName", "src": "8093:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 303, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 316, "src": "8108:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 302, "name": "address", "nodeType": "ElementaryTypeName", "src": "8108:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "8092:32:0" }, "returnParameters": { "id": 308, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 307, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 316, "src": "8163:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 306, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8163:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "8162:9:0" }, "scope": 685, "src": "8074:151:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 128 ], "body": { "id": 336, "nodeType": "Block", "src": "8461:80:0", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 328, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "8481:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 329, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8481:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 330, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 319, "src": "8495:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 331, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 321, "src": "8504:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 327, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 673, "src": "8472:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 332, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8472:39:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 333, "nodeType": "ExpressionStatement", "src": "8472:39:0" }, { "expression": { "hexValue": "74727565", "id": 334, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "8529:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 326, "id": 335, "nodeType": "Return", "src": "8522:11:0" } ] }, "documentation": { "id": 317, "nodeType": "StructuredDocumentation", "src": "8233:133:0", "text": " @dev See {IERC20-approve}.\n Requirements:\n - `spender` cannot be the zero address." }, "functionSelector": "095ea7b3", "id": 337, "implemented": true, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "overrides": { "id": 323, "nodeType": "OverrideSpecifier", "overrides": [], "src": "8437:8:0" }, "parameters": { "id": 322, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 319, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 337, "src": "8389:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 318, "name": "address", "nodeType": "ElementaryTypeName", "src": "8389:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 321, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 337, "src": "8406:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 320, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8406:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "8388:33:0" }, "returnParameters": { "id": 326, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 325, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 337, "src": "8455:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 324, "name": "bool", "nodeType": "ElementaryTypeName", "src": "8455:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "8454:6:0" }, "scope": 685, "src": "8372:169:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 140 ], "body": { "id": 383, "nodeType": "Block", "src": "9135:310:0", "statements": [ { "expression": { "arguments": [ { "id": 351, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 340, "src": "9156:6:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 352, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 342, "src": "9164:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 353, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 344, "src": "9175:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 350, "name": "_transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 519, "src": "9146:9:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 354, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9146:36:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 355, "nodeType": "ExpressionStatement", "src": "9146:36:0" }, { "assignments": [ 357 ], "declarations": [ { "constant": false, "id": 357, "mutability": "mutable", "name": "currentAllowance", "nodeType": "VariableDeclaration", "scope": 383, "src": "9195:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 356, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9195:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 364, "initialValue": { "baseExpression": { "baseExpression": { "id": 358, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 200, "src": "9222:11:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 360, "indexExpression": { "id": 359, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 340, "src": "9234:6:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9222:19:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 363, "indexExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 361, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "9242:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 362, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9242:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9222:33:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "9195:60:0" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 368, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 366, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 357, "src": "9274:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "id": 367, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 344, "src": "9294:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9274:26:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a207472616e7366657220616d6f756e74206578636565647320616c6c6f77616e6365", "id": 369, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "9302:42:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330", "typeString": "literal_string \"ERC20: transfer amount exceeds allowance\"" }, "value": "ERC20: transfer amount exceeds allowance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330", "typeString": "literal_string \"ERC20: transfer amount exceeds allowance\"" } ], "id": 365, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "9266:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 370, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9266:79:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 371, "nodeType": "ExpressionStatement", "src": "9266:79:0" }, { "expression": { "arguments": [ { "id": 373, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 340, "src": "9365:6:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [], "expression": { "argumentTypes": [], "id": 374, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "9373:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 375, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9373:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 378, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 376, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 357, "src": "9387:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 377, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 344, "src": "9406:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9387:25:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 372, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 673, "src": "9356:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 379, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9356:57:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 380, "nodeType": "ExpressionStatement", "src": "9356:57:0" }, { "expression": { "hexValue": "74727565", "id": 381, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "9433:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 349, "id": 382, "nodeType": "Return", "src": "9426:11:0" } ] }, "documentation": { "id": 338, "nodeType": "StructuredDocumentation", "src": "8549:468:0", "text": " @dev See {IERC20-transferFrom}.\n Emits an {Approval} event indicating the updated allowance. This is not\n required by the EIP. See the note at the beginning of {ERC20}.\n Requirements:\n - `sender` and `recipient` cannot be the zero address.\n - `sender` must have a balance of at least `amount`.\n - the caller must have allowance for ``sender``'s tokens of at least\n `amount`." }, "functionSelector": "23b872dd", "id": 384, "implemented": true, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "overrides": { "id": 346, "nodeType": "OverrideSpecifier", "overrides": [], "src": "9111:8:0" }, "parameters": { "id": 345, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 340, "mutability": "mutable", "name": "sender", "nodeType": "VariableDeclaration", "scope": 384, "src": "9045:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 339, "name": "address", "nodeType": "ElementaryTypeName", "src": "9045:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 342, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 384, "src": "9061:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 341, "name": "address", "nodeType": "ElementaryTypeName", "src": "9061:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 344, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 384, "src": "9080:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 343, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9080:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "9044:51:0" }, "returnParameters": { "id": 349, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 348, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 384, "src": "9129:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 347, "name": "bool", "nodeType": "ElementaryTypeName", "src": "9129:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "9128:6:0" }, "scope": 685, "src": "9023:422:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 410, "nodeType": "Block", "src": "9948:121:0", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 395, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "9968:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 396, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9968:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 397, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 387, "src": "9982:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 405, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "baseExpression": { "baseExpression": { "id": 398, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 200, "src": "9991:11:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 401, "indexExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 399, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "10003:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 400, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10003:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9991:25:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 403, "indexExpression": { "id": 402, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 387, "src": "10017:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9991:34:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 404, "name": "addedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 389, "src": "10028:10:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9991:47:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 394, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 673, "src": "9959:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 406, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9959:80:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 407, "nodeType": "ExpressionStatement", "src": "9959:80:0" }, { "expression": { "hexValue": "74727565", "id": 408, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "10057:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 393, "id": 409, "nodeType": "Return", "src": "10050:11:0" } ] }, "documentation": { "id": 385, "nodeType": "StructuredDocumentation", "src": "9453:395:0", "text": " @dev Atomically increases the allowance granted to `spender` by the caller.\n This is an alternative to {approve} that can be used as a mitigation for\n problems described in {IERC20-approve}.\n Emits an {Approval} event indicating the updated allowance.\n Requirements:\n - `spender` cannot be the zero address." }, "functionSelector": "39509351", "id": 411, "implemented": true, "kind": "function", "modifiers": [], "name": "increaseAllowance", "nodeType": "FunctionDefinition", "parameters": { "id": 390, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 387, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 411, "src": "9881:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 386, "name": "address", "nodeType": "ElementaryTypeName", "src": "9881:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 389, "mutability": "mutable", "name": "addedValue", "nodeType": "VariableDeclaration", "scope": 411, "src": "9898:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 388, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9898:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "9880:37:0" }, "returnParameters": { "id": 393, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 392, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 411, "src": "9942:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 391, "name": "bool", "nodeType": "ElementaryTypeName", "src": "9942:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "9941:6:0" }, "scope": 685, "src": "9854:215:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 448, "nodeType": "Block", "src": "10671:278:0", "statements": [ { "assignments": [ 422 ], "declarations": [ { "constant": false, "id": 422, "mutability": "mutable", "name": "currentAllowance", "nodeType": "VariableDeclaration", "scope": 448, "src": "10682:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 421, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "10682:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 429, "initialValue": { "baseExpression": { "baseExpression": { "id": 423, "name": "_allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 200, "src": "10709:11:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 426, "indexExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 424, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "10721:10:0", "typeDescriptions": { 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"typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 445, "nodeType": "ExpressionStatement", "src": "10850:67:0" }, { "expression": { "hexValue": "74727565", "id": 446, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "10937:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 420, "id": 447, "nodeType": "Return", "src": "10930:11:0" } ] }, "documentation": { "id": 412, "nodeType": "StructuredDocumentation", "src": "10077:489:0", "text": " @dev Atomically decreases the allowance granted to `spender` by the caller.\n This is an alternative to {approve} that can be used as a mitigation for\n problems described in {IERC20-approve}.\n Emits an {Approval} event indicating the updated allowance.\n Requirements:\n - `spender` cannot be the zero address.\n - `spender` must have allowance for the caller of at least\n 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"t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 500, "indexExpression": { "id": 499, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 452, "src": "11909:6:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "11899:17:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 503, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 501, "name": "senderBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 486, "src": "11919:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 502, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 456, "src": "11935:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "11919:22:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "11899:42:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 505, "nodeType": "ExpressionStatement", "src": "11899:42:0" }, { "expression": { "id": 510, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 506, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 194, "src": "11952:9:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 508, "indexExpression": { "id": 507, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 454, "src": "11962:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "11952:20:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "id": 509, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 456, "src": "11976:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "11952:30:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 511, "nodeType": "ExpressionStatement", "src": "11952:30:0" }, { "eventCall": { "arguments": [ { "id": 513, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 452, "src": "12009:6:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 514, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 454, "src": "12017:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 515, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 456, "src": "12028:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 512, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 149, "src": "12000:8:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 516, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12000:35:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 517, "nodeType": "EmitStatement", "src": "11995:40:0" } ] }, "documentation": { "id": 450, "nodeType": "StructuredDocumentation", "src": "10957:476:0", "text": " @dev Moves tokens `amount` from `sender` to `recipient`.\n This is internal function is equivalent to {transfer}, and can be used to\n e.g. implement automatic token fees, slashing mechanisms, etc.\n Emits a {Transfer} event.\n Requirements:\n - `sender` cannot be the zero address.\n - `recipient` cannot be the zero address.\n - `sender` must have a balance of at least `amount`." }, "id": 519, "implemented": true, "kind": "function", "modifiers": [], "name": "_transfer", "nodeType": "FunctionDefinition", "parameters": { "id": 457, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 452, "mutability": "mutable", "name": "sender", "nodeType": "VariableDeclaration", "scope": 519, "src": "11458:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 451, "name": "address", "nodeType": "ElementaryTypeName", "src": "11458:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 454, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 519, "src": "11474:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 453, "name": "address", "nodeType": "ElementaryTypeName", "src": "11474:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 456, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 519, "src": "11493:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 455, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "11493:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "11457:51:0" }, "returnParameters": { "id": 458, "nodeType": "ParameterList", "parameters": [], "src": "11526:0:0" }, "scope": 685, "src": "11439:604:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 565, "nodeType": "Block", "src": "12390:273:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 533, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 528, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 522, "src": "12409:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 531, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "12428:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 530, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "12420:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 529, "name": "address", "nodeType": "ElementaryTypeName", "src": "12420:7:0", "typeDescriptions": {} } }, "id": 532, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12420:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "12409:21:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a206d696e7420746f20746865207a65726f2061646472657373", "id": 534, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "12432:33:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_fc0b381caf0a47702017f3c4b358ebe3d3aff6c60ce819a8bf3ef5a95d4f202e", "typeString": "literal_string \"ERC20: mint to the zero address\"" }, "value": "ERC20: mint to the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_fc0b381caf0a47702017f3c4b358ebe3d3aff6c60ce819a8bf3ef5a95d4f202e", "typeString": "literal_string \"ERC20: mint to the zero address\"" } ], "id": 527, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "12401:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 535, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12401:65:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 536, "nodeType": "ExpressionStatement", "src": "12401:65:0" }, { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 540, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "12508:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 539, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "12500:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 538, "name": "address", "nodeType": "ElementaryTypeName", "src": "12500:7:0", "typeDescriptions": {} } }, "id": 541, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12500:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 542, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 522, "src": "12512:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 543, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 524, "src": "12521:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 537, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 684, "src": "12479:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 544, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12479:49:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 545, "nodeType": "ExpressionStatement", "src": "12479:49:0" }, { "expression": { "id": 548, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 546, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 202, "src": "12541:12:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "id": 547, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 524, "src": "12557:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "12541:22:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 549, "nodeType": "ExpressionStatement", "src": "12541:22:0" }, { "expression": { "id": 554, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 550, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 194, "src": "12574:9:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 552, "indexExpression": { "id": 551, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 522, "src": "12584:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "12574:18:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "id": 553, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 524, "src": "12596:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "12574:28:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 555, "nodeType": "ExpressionStatement", "src": "12574:28:0" }, { "eventCall": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 559, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "12635:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 558, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "12627:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 557, "name": "address", "nodeType": "ElementaryTypeName", "src": "12627:7:0", "typeDescriptions": {} } }, "id": 560, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12627:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 561, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 522, "src": "12639:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 562, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 524, "src": "12648:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 556, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 149, "src": "12618:8:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 563, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "12618:37:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 564, "nodeType": "EmitStatement", "src": "12613:42:0" } ] }, "documentation": { "id": 520, "nodeType": "StructuredDocumentation", "src": "12051:268:0", "text": "@dev Creates `amount` tokens and assigns them to `account`, increasing\n the total supply.\n Emits a {Transfer} event with `from` set to the zero address.\n Requirements:\n - `to` cannot be the zero address." }, "id": 566, "implemented": true, "kind": "function", "modifiers": [], "name": "_mint", "nodeType": "FunctionDefinition", "parameters": { "id": 525, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 522, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 566, "src": "12340:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 521, "name": "address", "nodeType": "ElementaryTypeName", "src": "12340:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 524, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 566, "src": "12357:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 523, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "12357:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "12339:33:0" }, "returnParameters": { "id": 526, "nodeType": "ParameterList", "parameters": [], "src": "12390:0:0" }, "scope": 685, "src": "12325:338:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 627, "nodeType": "Block", "src": "13061:429:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 580, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 575, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 569, "src": "13080:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 578, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "13099:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 577, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "13091:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 576, "name": "address", "nodeType": "ElementaryTypeName", "src": "13091:7:0", "typeDescriptions": {} } }, "id": 579, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13091:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "13080:21:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a206275726e2066726f6d20746865207a65726f2061646472657373", "id": 581, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "13103:35:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f", "typeString": "literal_string \"ERC20: burn from the zero address\"" }, "value": "ERC20: burn from the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b16788493b576042bb52c50ed56189e0b250db113c7bfb1c3897d25cf9632d7f", "typeString": "literal_string \"ERC20: burn from the zero address\"" } ], "id": 574, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "13072:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 582, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13072:67:0", "tryCall": 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"t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 625, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "13445:37:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 626, "nodeType": "EmitStatement", "src": "13440:42:0" } ] }, "documentation": { "id": 567, "nodeType": "StructuredDocumentation", "src": "12671:319:0", "text": " @dev Destroys `amount` tokens from `account`, reducing the\n total supply.\n Emits a {Transfer} event with `to` set to the zero address.\n Requirements:\n - `account` cannot be the zero address.\n - `account` must have at least `amount` tokens." }, "id": 628, "implemented": true, "kind": "function", "modifiers": [], "name": "_burn", "nodeType": "FunctionDefinition", "parameters": { "id": 572, "nodeType": 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"src": "14182:27:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 663, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 635, "src": "14212:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "14182:36:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 665, "nodeType": "ExpressionStatement", "src": "14182:36:0" }, { "eventCall": { "arguments": [ { "id": 667, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 631, "src": "14243:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 668, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 633, "src": "14250:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 669, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 635, "src": "14259:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 666, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 158, "src": "14234:8:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 670, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "14234:32:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 671, "nodeType": "EmitStatement", "src": "14229:37:0" } ] }, "documentation": { "id": 629, "nodeType": "StructuredDocumentation", "src": "13498:424:0", "text": " @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n This internal function is equivalent to `approve`, and can be used to\n e.g. set automatic allowances for certain subsystems, etc.\n Emits an {Approval} event.\n Requirements:\n - `owner` cannot be the zero address.\n - `spender` cannot be the zero address." }, "id": 673, "implemented": true, "kind": "function", "modifiers": [], "name": "_approve", "nodeType": "FunctionDefinition", "parameters": { "id": 636, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 631, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 673, "src": "13946:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 630, "name": "address", "nodeType": "ElementaryTypeName", "src": "13946:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 633, "mutability": "mutable", "name": "spender", "nodeType": "VariableDeclaration", "scope": 673, "src": "13961:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 632, "name": "address", "nodeType": "ElementaryTypeName", "src": "13961:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 635, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 673, "src": "13978:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 634, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "13978:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "13945:48:0" }, "returnParameters": { "id": 637, "nodeType": "ParameterList", "parameters": [], "src": "14011:0:0" }, "scope": 685, "src": "13928:346:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 683, "nodeType": "Block", "src": "14966:3:0", "statements": [] }, "documentation": { "id": 674, "nodeType": "StructuredDocumentation", "src": "14282:589:0", "text": " @dev Hook that is called before any transfer of tokens. This includes\n minting and burning.\n Calling conditions:\n - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n will be to transferred to `to`.\n - when `from` is zero, `amount` tokens will be minted for `to`.\n - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n - `from` and `to` are never both zero.\n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]." }, "id": 684, "implemented": true, "kind": "function", "modifiers": [], "name": "_beforeTokenTransfer", "nodeType": "FunctionDefinition", "parameters": { "id": 681, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 676, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 684, "src": "14907:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 675, "name": "address", "nodeType": "ElementaryTypeName", "src": "14907:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 678, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 684, "src": "14921:10:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 677, "name": "address", "nodeType": "ElementaryTypeName", "src": "14921:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 680, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 684, "src": "14933:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 679, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "14933:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "14906:42:0" }, "returnParameters": { "id": 682, "nodeType": "ParameterList", "parameters": [], "src": "14966:0:0" }, "scope": 685, "src": "14877:92:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 786, "src": "5423:9549:0" }, { "id": 686, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "14978:23:0" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 688, "name": "Context", "nodeType": "IdentifierPath", "referencedDeclaration": 4020, "src": "15256:7:0" }, "id": 689, "nodeType": "InheritanceSpecifier", "src": "15256:7:0" }, { "baseName": { "id": 690, "name": "ERC20", "nodeType": "IdentifierPath", "referencedDeclaration": 685, "src": "15265:5:0" }, "id": 691, "nodeType": "InheritanceSpecifier", "src": "15265:5:0" } ], "contractDependencies": [ 159, 182, 685, 4020 ], "contractKind": "contract", "documentation": { "id": 687, "nodeType": "StructuredDocumentation", "src": "15007:212:0", "text": " @dev Extension of {ERC20} that allows token holders to destroy both their own\n tokens and those that they have an allowance for, in a way that can be\n recognized off-chain (via event analysis)." }, "fullyImplemented": false, "id": 743, "linearizedBaseContracts": [ 743, 685, 182, 159, 4020 ], "name": "ERC20Burnable", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 703, "nodeType": "Block", "src": "15431:46:0", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 698, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "15448:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 699, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15448:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 700, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 694, "src": "15462:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 697, "name": "_burn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 628, "src": "15442:5:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 701, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15442:27:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 702, "nodeType": "ExpressionStatement", "src": "15442:27:0" } ] }, "documentation": { "id": 692, "nodeType": "StructuredDocumentation", "src": "15278:102:0", "text": " @dev Destroys `amount` tokens from the caller.\n See {ERC20-_burn}." }, "functionSelector": "42966c68", "id": 704, "implemented": true, "kind": "function", "modifiers": [], "name": "burn", "nodeType": "FunctionDefinition", "parameters": { "id": 695, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 694, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 704, "src": "15400:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 693, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "15400:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "15399:16:0" }, "returnParameters": { "id": 696, "nodeType": "ParameterList", "parameters": [], "src": "15431:0:0" }, "scope": 743, "src": "15386:91:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 741, "nodeType": "Block", "src": "15862:266:0", "statements": [ { "assignments": [ 713 ], "declarations": [ { "constant": false, "id": 713, "mutability": "mutable", "name": "currentAllowance", "nodeType": "VariableDeclaration", "scope": 741, "src": "15873:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 712, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "15873:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 719, "initialValue": { "arguments": [ { "id": 715, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 707, "src": "15910:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [], "expression": { "argumentTypes": [], "id": 716, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "15919:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 717, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15919:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 714, "name": "allowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 316, "src": "15900:9:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_address_$returns$_t_uint256_$", "typeString": "function (address,address) view returns (uint256)" } }, "id": 718, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15900:32:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "15873:59:0" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 723, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 721, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 713, "src": "15951:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "id": 722, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 709, "src": "15971:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "15951:26:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524332303a206275726e20616d6f756e74206578636565647320616c6c6f77616e6365", "id": 724, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "15979:38:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_a287c363786607a1457a2d9d12fa61c0073358e02d76b4035fc2c2d86a19c0db", "typeString": "literal_string \"ERC20: burn amount exceeds allowance\"" }, "value": "ERC20: burn amount exceeds allowance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_a287c363786607a1457a2d9d12fa61c0073358e02d76b4035fc2c2d86a19c0db", "typeString": "literal_string \"ERC20: burn amount exceeds allowance\"" } ], "id": 720, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "15943:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 725, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "15943:75:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 726, "nodeType": "ExpressionStatement", "src": "15943:75:0" }, { "expression": { "arguments": [ { "id": 728, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 707, "src": "16038:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [], "expression": { "argumentTypes": [], "id": 729, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4008, "src": "16047:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 730, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16047:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 733, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 731, "name": "currentAllowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 713, "src": "16061:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 732, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 709, "src": "16080:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "16061:25:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 727, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 673, "src": "16029:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 734, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16029:58:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 735, "nodeType": "ExpressionStatement", "src": "16029:58:0" }, { "expression": { "arguments": [ { "id": 737, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 707, "src": "16104:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 738, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 709, "src": "16113:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 736, "name": "_burn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 628, "src": "16098:5:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 739, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16098:22:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 740, "nodeType": "ExpressionStatement", "src": "16098:22:0" } ] }, "documentation": { "id": 705, "nodeType": "StructuredDocumentation", "src": "15485:305:0", "text": " @dev Destroys `amount` tokens from `account`, deducting from the caller's\n allowance.\n See {ERC20-_burn} and {ERC20-allowance}.\n Requirements:\n - the caller must have allowance for ``accounts``'s tokens of at least\n `amount`." }, "functionSelector": "79cc6790", "id": 742, "implemented": true, "kind": "function", "modifiers": [], "name": "burnFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 710, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 707, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 742, "src": "15814:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 706, "name": "address", "nodeType": "ElementaryTypeName", "src": "15814:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 709, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 742, "src": "15831:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 708, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "15831:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "15813:33:0" }, "returnParameters": { "id": 711, "nodeType": "ParameterList", "parameters": [], "src": "15862:0:0" }, "scope": 743, "src": "15796:332:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 786, "src": "15221:910:0" }, { "id": 744, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "16135:23:0" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 746, "name": "ERC20Burnable", "nodeType": "IdentifierPath", "referencedDeclaration": 743, "src": "16566:13:0" }, "id": 747, "nodeType": "InheritanceSpecifier", "src": "16566:13:0" } ], "contractDependencies": [ 159, 182, 685, 743, 4020 ], "contractKind": "contract", "documentation": { "id": 745, "nodeType": "StructuredDocumentation", "src": "16162:367:0", "text": " @dev {ERC20} token, including:\n - Preminted initial supply\n - Ability for holders to burn (destroy) their tokens\n - No access control mechanism (for minting/pausing) and hence no governance\n This contract uses {ERC20Burnable} to include burn capabilities - head to\n its documentation for details.\n _Available since v3.4._" }, "fullyImplemented": true, "id": 770, "linearizedBaseContracts": [ 770, 743, 685, 182, 159, 4020 ], "name": "ERC20PresetFixedSupply", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 768, "nodeType": "Block", "src": "16883:46:0", "statements": [ { "expression": { "arguments": [ { "id": 764, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "16900:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 765, "name": "initialSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 754, "src": "16907:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 763, "name": "_mint", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 566, "src": "16894:5:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 766, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16894:27:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 767, "nodeType": "ExpressionStatement", "src": "16894:27:0" } ] }, "documentation": { "id": 748, "nodeType": "StructuredDocumentation", "src": "16587:135:0", "text": " @dev Mints `initialSupply` amount of token and transfers them to `owner`.\n See {ERC20-constructor}." }, "id": 769, "implemented": true, "kind": "constructor", "modifiers": [ { "arguments": [ { "id": 759, "name": "name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 750, "src": "16869:4:0", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, { "id": 760, "name": "symbol", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 752, "src": "16875:6:0", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "id": 761, "modifierName": { "id": 758, "name": "ERC20", "nodeType": "IdentifierPath", "referencedDeclaration": 685, "src": "16863:5:0" }, "nodeType": "ModifierInvocation", "src": "16863:19:0" } ], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 757, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 750, "mutability": "mutable", "name": "name", "nodeType": "VariableDeclaration", "scope": 769, "src": "16750:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 749, "name": "string", "nodeType": "ElementaryTypeName", "src": "16750:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 752, "mutability": "mutable", "name": "symbol", "nodeType": "VariableDeclaration", "scope": 769, "src": "16779:20:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 751, "name": "string", "nodeType": "ElementaryTypeName", "src": "16779:6:0", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 754, "mutability": "mutable", "name": "initialSupply", "nodeType": "VariableDeclaration", "scope": 769, "src": "16810:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 753, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "16810:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 756, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 769, "src": "16842:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 755, "name": "address", "nodeType": "ElementaryTypeName", "src": "16842:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "16739:123:0" }, "returnParameters": { "id": 762, "nodeType": "ParameterList", "parameters": [], "src": "16883:0:0" }, "scope": 770, "src": "16728:201:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" } ], "scope": 786, "src": "16531:401:0" }, { "id": 771, "literals": [ "solidity", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "16938:22:0" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 772, "name": "ERC20PresetFixedSupply", "nodeType": "IdentifierPath", "referencedDeclaration": 770, "src": "16979:22:0" }, "id": 773, "nodeType": "InheritanceSpecifier", "src": "16979:22:0" } ], "contractDependencies": [ 159, 182, 685, 743, 770, 4020 ], "contractKind": "contract", "fullyImplemented": true, "id": 785, "linearizedBaseContracts": [ 785, 770, 743, 685, 182, 159, 4020 ], "name": "MYTC", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 783, "nodeType": "Block", "src": "17117:8:0", "statements": [] }, "id": 784, "implemented": true, "kind": "constructor", "modifiers": [ { "arguments": [ { "hexValue": "4d595443", "id": 776, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "17055:6:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_bcc0820e19eac3205870e1329c44756d4ce43f10cfa90861eb8c779f9a5ef311", "typeString": "literal_string \"MYTC\"" }, "value": "MYTC" }, { "hexValue": "4d595443", "id": 777, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "17063:6:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_bcc0820e19eac3205870e1329c44756d4ce43f10cfa90861eb8c779f9a5ef311", "typeString": "literal_string \"MYTC\"" }, "value": "MYTC" }, { "hexValue": "313030303030303030303030", "id": 778, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "17071:12:0", "typeDescriptions": { "typeIdentifier": "t_rational_100000000000_by_1", "typeString": "int_const 100000000000" }, "value": "100000000000" }, { "expression": { "id": 779, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967281, "src": "17084:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 780, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "src": "17084:10:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 781, "modifierName": { "id": 775, "name": "ERC20PresetFixedSupply", "nodeType": "IdentifierPath", "referencedDeclaration": 770, "src": "17032:22:0" }, "nodeType": "ModifierInvocation", "src": "17032:63:0" } ], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 774, "nodeType": "ParameterList", "parameters": [], "src": "17020:2:0" }, "returnParameters": { "id": 782, "nodeType": "ParameterList", "parameters": [], "src": "17117:0:0" }, "scope": 785, "src": "17009:116:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" } ], "scope": 786, "src": "16962:166:0" } ], "src": "33:17097:0" }, "compiler": { "name": "solc", "version": "0.8.0+commit.c7dfd78e.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.3.4", "updatedAt": "2021-05-19T08:21:33.374Z", "devdoc": { "kind": "dev", "methods": { "allowance(address,address)": { "details": "See {IERC20-allowance}." }, "approve(address,uint256)": { "details": "See {IERC20-approve}. Requirements: - `spender` cannot be the zero address." }, "balanceOf(address)": { "details": "See {IERC20-balanceOf}." }, "burn(uint256)": { "details": "Destroys `amount` tokens from the caller. See {ERC20-_burn}." }, "burnFrom(address,uint256)": { "details": "Destroys `amount` tokens from `account`, deducting from the caller's allowance. See {ERC20-_burn} and {ERC20-allowance}. Requirements: - the caller must have allowance for ``accounts``'s tokens of at least `amount`." }, "decimals()": { "details": "Returns the number of decimals used to get its user representation. For example, if `decimals` equals `2`, a balance of `505` tokens should be displayed to a user as `5,05` (`505 / 10 ** 2`). Tokens usually opt for a value of 18, imitating the relationship between Ether and Wei. This is the value {ERC20} uses, unless this function is overridden; NOTE: This information is only used for _display_ purposes: it in no way affects any of the arithmetic of the contract, including {IERC20-balanceOf} and {IERC20-transfer}." }, "decreaseAllowance(address,uint256)": { "details": "Atomically decreases the allowance granted to `spender` by the caller. This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {Approval} event indicating the updated allowance. Requirements: - `spender` cannot be the zero address. - `spender` must have allowance for the caller of at least `subtractedValue`." }, "increaseAllowance(address,uint256)": { "details": "Atomically increases the allowance granted to `spender` by the caller. This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {Approval} event indicating the updated allowance. Requirements: - `spender` cannot be the zero address." }, "name()": { "details": "Returns the name of the token." }, "symbol()": { "details": "Returns the symbol of the token, usually a shorter version of the name." }, "totalSupply()": { "details": "See {IERC20-totalSupply}." }, "transfer(address,uint256)": { "details": "See {IERC20-transfer}. Requirements: - `recipient` cannot be the zero address. - the caller must have a balance of at least `amount`." }, "transferFrom(address,address,uint256)": { "details": "See {IERC20-transferFrom}. Emits an {Approval} event indicating the updated allowance. This is not required by the EIP. See the note at the beginning of {ERC20}. Requirements: - `sender` and `recipient` cannot be the zero address. - `sender` must have a balance of at least `amount`. - the caller must have allowance for ``sender``'s tokens of at least `amount`." } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }