{ "contractName": "cERC20", "abi": [ { "constant": false, "inputs": [ { "internalType": "uint256", "name": "mintAmount", "type": "uint256" } ], "name": "mint", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "uint256", "name": "mintAmount", "type": "uint256" } ], "name": "redeemUnderlying", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "exchangeRateCurrent", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "exchangeRateStored", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "addr", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "transfer", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"addr\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"exchangeRateCurrent\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"exchangeRateStored\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"mintAmount\",\"type\":\"uint256\"}],\"name\":\"mint\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"mintAmount\",\"type\":\"uint256\"}],\"name\":\"redeemUnderlying\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/SimpleDAIStaking.sol\":\"cERC20\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/DSMath.sol\":{\"keccak256\":\"0x59fb5b1c4c3f68c1694f6ff5698016ac8ee9401b61e87473113dc103b7a6b0ff\",\"urls\":[\"bzz-raw://7410f43989dea44e64bed870958ce9199606dd8a9783e79fe8deca7b544164af\",\"dweb:/ipfs/QmPrrdvp2ErwL6SJSveB3JANo7ivadSMnk9gpWZD8nR7hy\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/FeelessScheme.sol\":{\"keccak256\":\"0x7c542d44cbd864ee0ddecbc5016d9d7eb9ce65ab463fdd9f21eb8ce3c6ffc8ea\",\"urls\":[\"bzz-raw://4753dd823c0b0cbe7d7d02e1df64ace07d7a163af3aaff12697aee70a1b45f2f\",\"dweb:/ipfs/QmPkKeH88M3f6UbHphayUbjEBNV4rmoogtDmVundzBKbFK\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/SchemeGuard.sol\":{\"keccak256\":\"0x32e1b2a172e2c22a6aa757bfcb0722cc67f64c5c2e48df3dec2737903516d565\",\"urls\":[\"bzz-raw://bee57a8eba08348e93a0c18f3ab534e67865c0fa27afe27f5cf234bd5f248915\",\"dweb:/ipfs/Qmd8aveHWcUkYWMyJrJRZPyVXj8MAMBfpBFo6g4Z2VJeo3\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/identity/Identity.sol\":{\"keccak256\":\"0x282184478f1d618d3523b28a84a7f7003dfdc99cad120e5e358d2cce1f5fb491\",\"urls\":[\"bzz-raw://67e17ecb57b24c4fb801abc2c52c3148af3b967e28da4fb7e074d18efb7a57c1\",\"dweb:/ipfs/QmfZ8jXhdTHtxr3gfByRj4HnXnGynX7SLZWWGR8k768aGB\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/identity/IdentityAdminRole.sol\":{\"keccak256\":\"0x8e82c45eefe0da77d017144dfad12602c68124297035937901cdd08ce48c57ff\",\"urls\":[\"bzz-raw://e20e606342b3b35f41a081294cf3f716fe7e27e81d3090daa37c5208f4ef4bc3\",\"dweb:/ipfs/QmVEhHpiwVsksnPyHkfNa5LpTBLxoP9kj5NRZUBv456ewK\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/identity/IdentityGuard.sol\":{\"keccak256\":\"0xcc395c0e8f812201b5ed1f45e7272120ee5ffe73bfe13e325dfd872aef235b22\",\"urls\":[\"bzz-raw://58f93e4b9f48ec31ac151208e4f9e6b356cc23dfc9585d846bc09bf35d6ff7be\",\"dweb:/ipfs/QmdxJHUCaFx8N66kkDhYdA4k6d2V91yBRG6sombuPxBq7X\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/SimpleDAIStaking.sol\":{\"keccak256\":\"0x245246632bb2a59a67277107f64975487806db57f8ad49d14e9626d8d72cd186\",\"urls\":[\"bzz-raw://e767763526d6b497514991f02db1a3da9c925ce32e522213f943cd2b8305cf12\",\"dweb:/ipfs/QmfUjN8Z59ZZNb3vkChmjoTGrpxwrNKNxzjML2pmrhWD2T\"]},\"@daostack/arc/contracts/controller/Avatar.sol\":{\"keccak256\":\"0x4e4fb9d3bc21f42fbfc6a01e9f8aa483a59e9f447b0d604f55b587a81ec09ef4\",\"urls\":[\"bzz-raw://9d3c1c7575cf6075ea1d89921f09b9b8e322b208dacaf0446cd4f64506c999f0\",\"dweb:/ipfs/QmVGDDHAR2ByuQpbgV7BBKXGEAcbaWvejpEZYzHgaagBFK\"]},\"@daostack/arc/contracts/controller/ControllerInterface.sol\":{\"keccak256\":\"0x933e92612c90f292c7b59908958b003f1a13d90b97bed0572b566353c20974dc\",\"urls\":[\"bzz-raw://ce1fcf85b744fcce2dbd4205e3943e9b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"bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity >0.5.4;\n\nimport \"openzeppelin-solidity/contracts/math/SafeMath.sol\";\nimport \"openzeppelin-solidity/contracts/lifecycle/Pausable.sol\";\nimport \"openzeppelin-solidity/contracts/token/ERC20/ERC20.sol\";\nimport \"@daostack/arc/contracts/controller/Avatar.sol\";\nimport \"../../contracts/dao/schemes/FeelessScheme.sol\";\nimport \"../../contracts/identity/Identity.sol\";\nimport \"../../contracts/DSMath.sol\";\n\ninterface cERC20 {\n function mint(uint256 mintAmount) external returns (uint256);\n\n function redeemUnderlying(uint256 mintAmount) external returns (uint256);\n\n function exchangeRateCurrent() external returns (uint256);\n\n function exchangeRateStored() external view returns (uint256);\n\n function balanceOf(address addr) external view returns (uint256);\n\n function transfer(address to, uint256 amount) external returns (bool);\n}\n\n/**\n * @title Staking contract that donates earned interest to the DAO\n * allowing stakers to deposit DAI or withdraw their stake in DAI.\n * The contract buys cDAI and can transfer the daily interest to the DAO\n */\ncontract SimpleDAIStaking is DSMath, Pausable, FeelessScheme {\n using SafeMath for uint256;\n\n // Entity that holds a staker info\n struct Staker {\n // The staked DAI amount\n uint256 stakedDAI;\n // The latest block number which the\n // staker has staked tokens\n uint256 lastStake;\n }\n\n // The map which holds the stakers entities\n mapping(address => Staker) public stakers;\n\n // Emits when new DAI tokens have been staked\n event DAIStaked(\n // The staker address\n address indexed staker,\n // How many tokens have been staked\n uint256 daiValue\n );\n\n // Emits when DAI tokens are being withdrawn\n event DAIStakeWithdraw(\n // The staker that initiate the action\n address indexed staker,\n // The initial DAI value that was staked\n uint256 daiValue,\n // The current DAI value that was staked\n uint256 daiActual\n );\n\n // Emits when the interest is collected\n event InterestCollected(\n // Who is receives the interest\n address recipient,\n // How many cDAI tokens have been transferred\n uint256 cdaiValue,\n // The worth of the transferred tokens in DAI\n uint256 daiValue,\n // Lost amount. A result of different precisions\n uint256 daiPrecisionLoss\n );\n\n // DAI token address\n ERC20 public dai;\n\n // cDAI token address\n cERC20 public cDai;\n\n // The block interval defines the number of\n // blocks that shall be passed before the\n // next execution of `collectUBIInterest`\n uint256 public blockInterval;\n\n // The last block number which\n // `collectUBIInterest` has been executed in\n uint256 public lastUBICollection;\n\n // The total staked DAI amount in the contract\n uint256 public totalStaked = 0;\n\n // How much of the generated interest is donated,\n // meaning no GD is expected in compensation, 1 in mil precision.\n // 100% for phase0 POC\n uint32 public avgInterestDonatedRatio = 1e6;\n\n // The address of the fund manager contract\n address public fundManager;\n\n modifier onlyFundManager {\n require(msg.sender == fundManager, \"Only FundManager can call this method\");\n _;\n }\n\n /**\n * @dev Constructor\n * @param _dai The address of DAI\n * @param _cDai The address of cDAI\n * @param _fundManager The address of the fund manager contract\n * @param _blockInterval How many blocks should be passed before the next execution of `collectUBIInterest`\n * @param _avatar The avatar of the DAO\n * @param _identity The identity contract\n */\n constructor(\n address _dai,\n address _cDai,\n address _fundManager,\n uint256 _blockInterval,\n Avatar _avatar,\n Identity _identity\n ) public FeelessScheme(_identity, _avatar) {\n dai = ERC20(_dai);\n cDai = cERC20(_cDai);\n blockInterval = _blockInterval;\n lastUBICollection = block.number.div(blockInterval);\n fundManager = _fundManager;\n\n // Adds the avatar as a pauser of this contract\n addPauser(address(avatar));\n }\n\n /**\n * @dev Allows the DAO to change the fund manager contract address\n * @param _fundManager Address of the new contract\n */\n function setFundManager(address _fundManager) public onlyAvatar {\n fundManager = _fundManager;\n }\n\n /**\n * @dev Allows a staker to deposit DAI tokens. Notice that `approve` is\n * needed to be executed before the execution of this method.\n * Can be executed only when the contract is not paused.\n * @param _amount The amount of DAI to stake\n */\n function stakeDAI(uint256 _amount) public whenNotPaused {\n require(_amount > 0, \"You need to stake a positive token amount\");\n require(\n dai.transferFrom(msg.sender, address(this), _amount) == true,\n \"transferFrom failed, make sure you approved DAI transfer\"\n );\n\n // approve the transfer to cDAI\n dai.approve(address(cDai), _amount);\n\n // mint ctokens\n uint256 res = cDai.mint(_amount);\n\n // cDAI returns >0 if error happened while minting.\n // Makes sure that there are no errors. If an error\n // has occurred, DAI funds shall be returned.\n if (res > 0) {\n require(res == 0, \"Minting cDai failed, funds returned\");\n }\n\n // updated the staker entity\n Staker storage staker = stakers[msg.sender];\n staker.stakedDAI = staker.stakedDAI.add(_amount);\n staker.lastStake = block.number;\n\n // adds the staked amount to the total staked\n totalStaked = totalStaked.add(_amount);\n\n emit DAIStaked(msg.sender, _amount);\n }\n\n /**\n * @dev Withdraws the sender staked DAI.\n */\n function withdrawStake() public {\n Staker storage staker = stakers[msg.sender];\n require(staker.stakedDAI > 0, \"No DAI staked\");\n require(cDai.redeemUnderlying(staker.stakedDAI) == 0, \"Failed to redeem cDai\");\n uint256 daiWithdraw = staker.stakedDAI;\n\n // updates balance before transfer to prevent re-entry\n staker.stakedDAI = 0;\n\n totalStaked = totalStaked.sub(daiWithdraw);\n\n //redeeming in compound may result in a tiny fraction of precission error\n //so if we redeem 100 DAI we might get something like 99.9999999999\n uint256 daiActual = dai.balanceOf(address(this));\n if (daiActual < daiWithdraw) {\n daiWithdraw = daiActual;\n }\n require(dai.transfer(msg.sender, daiWithdraw), \"withdraw transfer failed\");\n emit DAIStakeWithdraw(msg.sender, daiWithdraw, daiActual);\n }\n\n /**\n * @dev Calculates the worth of the staked cDAI tokens in DAI.\n * @return (uint256) The worth in DAI\n */\n function currentDAIWorth() public view returns (uint256) {\n uint256 er = cDai.exchangeRateStored();\n\n //TODO: why 1e10? cDai is e8 so we should convert it to e28 like exchange rate\n uint256 daiBalance = rmul(cDai.balanceOf(address(this)).mul(1e10), er).div(10);\n return daiBalance;\n }\n\n /**\n * @dev Calculates the current interest that was gained.\n * @return (uint256, uint256, uint256) The interest in cDAI, the interest in DAI,\n * the amount which is not covered by precision of DAI\n */\n function currentUBIInterest()\n public\n view\n returns (\n uint256,\n uint256,\n uint256\n )\n {\n uint256 er = cDai.exchangeRateStored();\n uint256 daiWorth = currentDAIWorth();\n if (daiWorth <= totalStaked) {\n return (0, 0, 0);\n }\n uint256 daiGains = daiWorth.sub(totalStaked);\n // mul by 1e10 to equalize precision otherwise since exchangerate\n // is very big, dividing by it would result in 0.\n uint256 cdaiGains = rdiv(daiGains.mul(1e10), er);\n // gets right most bits not covered by precision of cdai which is\n // only 8 decimals while RAY is 27\n uint256 precisionLossCDaiRay = cdaiGains.mod(1e19);\n // lower back to 8 decimals\n cdaiGains = cdaiGains.div(1e19);\n //div by 1e10 to get results in dai precision 1e18\n uint256 precisionLossDai = rmul(precisionLossCDaiRay, er).div(1e10);\n return (cdaiGains, daiGains, precisionLossDai);\n }\n\n /**\n * @dev Collects gained interest by fundmanager. Can be collected only once\n * in an interval which is defined above.\n * @param _recipient The recipient of cDAI gains\n * @return (uint256, uint256, uint256, uint32) The interest in cDAI, the interest in DAI,\n * the amount which is not covered by precision of DAI, how much of the generated interest is donated\n */\n function collectUBIInterest(address _recipient)\n public\n onlyFundManager\n returns (\n uint256,\n uint256,\n uint256,\n uint32\n )\n {\n // otherwise fund manager has to wait for the next interval\n require(_recipient != address(this), \"Recipient cannot be the staking contract\");\n\n require(canCollect(), \"Need to wait for the next interval\");\n\n (\n uint256 cdaiGains,\n uint256 daiGains,\n uint256 precisionLossDai\n ) = currentUBIInterest();\n lastUBICollection = block.number.div(blockInterval);\n if (cdaiGains > 0)\n require(cDai.transfer(_recipient, cdaiGains), \"collect transfer failed\");\n emit InterestCollected(_recipient, cdaiGains, daiGains, precisionLossDai);\n return (cdaiGains, daiGains, precisionLossDai, avgInterestDonatedRatio);\n }\n\n /**\n * @dev Checks if enough blocks have passed so it would be possible to\n * execute `collectUBIInterest` according to the length of `blockInterval`\n * @return (bool) True if enough blocks have passed\n */\n function canCollect() public view returns (bool) {\n return block.number.div(blockInterval) > lastUBICollection;\n }\n\n /**\n * @dev Start function. Adds this contract to identity as a feeless scheme.\n * Can only be called if scheme is registered\n */\n function start() public onlyRegistered {\n addRights();\n }\n\n /**\n * @dev making the contract inactive\n * NOTICE: this could theoretically result in future interest earned in cdai to remain locked\n * but we dont expect any other stakers but us in SimpleDAIStaking\n */\n function end() public onlyAvatar {\n pause();\n removeRights();\n }\n\n /**\n * @dev method to recover any stuck erc20 tokens (ie compound COMP)\n * @param _token the ERC20 token to recover\n */\n function recover(ERC20 _token) public onlyAvatar {\n uint256 toWithdraw = _token.balanceOf(address(this));\n\n // recover left cDai(stakers token) only when all stakes have been withdrawn\n if (address(_token) == address(cDai)) {\n require(\n totalStaked == 0 && paused(),\n \"can recover cDai only when stakes have been withdrawn\"\n );\n }\n require(_token.transfer(address(avatar), toWithdraw), \"recover transfer 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"typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "public" }, { "body": { "id": 9229, "nodeType": "Block", "src": "3218:103:29", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 9224, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9221, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22171, "src": "3236:3:29", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 9222, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3236:10:29", "typeDescriptions": { "typeIdentifier": 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call this method" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_8659903c14beb1decb5cde807aae2b42823801f7a2ec9f1cb2d42f84ff652fab", "typeString": "literal_string \"Only FundManager can call this method\"" } ], "id": 9220, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "3228:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9226, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3228:75:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9227, "nodeType": "ExpressionStatement", "src": "3228:75:29" }, { "id": 9228, "nodeType": "PlaceholderStatement", "src": "3313:1:29" } ] }, "documentation": null, "id": 9230, "name": "onlyFundManager", "nodeType": "ModifierDefinition", "parameters": { "id": 9219, "nodeType": "ParameterList", "parameters": [], "src": "3218:0:29" }, "src": "3193:128:29", "visibility": "internal" }, { "body": { "id": 9283, "nodeType": "Block", "src": "3933:294:29", "statements": [ { "expression": { "argumentTypes": null, "id": 9253, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9249, "name": "dai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9204, "src": "3943:3:29", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$21849", "typeString": "contract ERC20" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9251, "name": "_dai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 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"operator": "=", "rightHandSide": { "argumentTypes": null, "id": 9262, "name": "_blockInterval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9238, "src": "4016:14:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4000:30:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9264, "nodeType": "ExpressionStatement", "src": "4000:30:29" }, { "expression": { "argumentTypes": null, "id": 9271, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9265, "name": "lastUBICollection", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9210, "src": "4040:17:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9269, "name": "blockInterval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9208, "src": "4077:13:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9266, "name": "block", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22161, "src": "4060:5:29", "typeDescriptions": { "typeIdentifier": "t_magic_block", "typeString": "block" } }, "id": 9267, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "number", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4060:12:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9268, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 21239, "src": "4060:16:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9270, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4060:31:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4040:51:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9272, "nodeType": "ExpressionStatement", "src": "4040:51:29" }, { "expression": { "argumentTypes": null, "id": 9275, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9273, "name": "fundManager", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9218, "src": "4101:11:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 9274, "name": "_fundManager", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9236, "src": "4115:12:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4101:26:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 9276, "nodeType": "ExpressionStatement", "src": "4101:26:29" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9279, "name": "avatar", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1281, "src": "4212:6:29", "typeDescriptions": { "typeIdentifier": "t_contract$_Avatar_$12705", "typeString": "contract Avatar" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Avatar_$12705", "typeString": "contract Avatar" } ], "id": 9278, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4204:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 9280, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4204:15:29", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 9277, "name": "addPauser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20905, "src": "4194:9:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 9281, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4194:26:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9282, "nodeType": "ExpressionStatement", "src": "4194:26:29" } ] }, "documentation": "@dev Constructor\n@param _dai The address of DAI\n@param _cDai The address of cDAI\n@param _fundManager The address of the fund manager contract\n@param _blockInterval How many blocks should be passed before the next execution of `collectUBIInterest`\n@param _avatar The avatar of the DAO\n@param _identity The identity contract", "id": 9284, "implemented": true, "kind": "constructor", "modifiers": [ { "arguments": [ { "argumentTypes": null, "id": 9245, "name": "_identity", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9242, "src": "3913:9:29", "typeDescriptions": { "typeIdentifier": "t_contract$_Identity_$2380", "typeString": "contract Identity" } }, { "argumentTypes": null, "id": 9246, "name": "_avatar", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9240, "src": "3924:7:29", "typeDescriptions": { "typeIdentifier": "t_contract$_Avatar_$12705", "typeString": "contract Avatar" } } ], "id": 9247, "modifierName": { "argumentTypes": null, "id": 9244, "name": "FeelessScheme", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1227, "src": "3899:13:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_FeelessScheme_$1227_$", "typeString": "type(contract FeelessScheme)" } }, "nodeType": "ModifierInvocation", "src": "3899:33:29" } ], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 9243, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9232, "name": "_dai", "nodeType": "VariableDeclaration", "scope": 9284, "src": "3736:12:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 9231, "name": "address", "nodeType": "ElementaryTypeName", "src": "3736:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 9234, "name": "_cDai", "nodeType": "VariableDeclaration", "scope": 9284, "src": "3758:13:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 9233, "name": "address", "nodeType": "ElementaryTypeName", "src": "3758:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 9236, "name": "_fundManager", "nodeType": "VariableDeclaration", "scope": 9284, "src": "3781:20:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 9235, "name": "address", "nodeType": "ElementaryTypeName", "src": "3781:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 9238, "name": "_blockInterval", "nodeType": "VariableDeclaration", "scope": 9284, "src": "3811:22:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9237, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3811:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 9240, "name": "_avatar", "nodeType": "VariableDeclaration", "scope": 9284, "src": "3843:14:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_Avatar_$12705", "typeString": "contract Avatar" }, "typeName": { "contractScope": null, "id": 9239, "name": "Avatar", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 12705, "src": "3843:6:29", "typeDescriptions": { "typeIdentifier": "t_contract$_Avatar_$12705", "typeString": "contract Avatar" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 9242, "name": "_identity", "nodeType": "VariableDeclaration", "scope": 9284, "src": "3867:18:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_Identity_$2380", "typeString": "contract Identity" }, "typeName": { "contractScope": null, "id": 9241, "name": "Identity", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2380, "src": 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"name": "_fundManager", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9286, "src": "4463:12:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4449:26:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 9294, "nodeType": "ExpressionStatement", "src": "4449:26:29" } ] }, "documentation": "@dev Allows the DAO to change the fund manager contract address\n@param _fundManager Address of the new contract", "id": 9296, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 9289, "modifierName": { "argumentTypes": null, "id": 9288, "name": "onlyAvatar", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1325, "src": "4428:10:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "4428:10:29" } ], "name": "setFundManager", "nodeType": 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"typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9363, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9354, "src": "5611:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9364, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "5611:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9365, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 21287, "src": "5611:20:29", 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"typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9372, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "lastStake", "nodeType": "MemberAccess", "referencedDeclaration": 9173, "src": "5650:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9373, "name": "block", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22161, "src": "5669:5:29", "typeDescriptions": { "typeIdentifier": "t_magic_block", "typeString": "block" } }, "id": 9374, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "number", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5669:12:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5650:31:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9376, "nodeType": "ExpressionStatement", "src": "5650:31:29" }, { "expression": { "argumentTypes": null, "id": 9382, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9377, "name": "totalStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9213, "src": "5746:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9380, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9298, "src": "5776:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9378, "name": "totalStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9213, "src": "5760:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9379, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 21287, "src": "5760:15:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9381, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5760:24:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5746:38:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9383, "nodeType": "ExpressionStatement", "src": "5746:38:29" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9385, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22171, "src": "5810:3:29", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 9386, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5810:10:29", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 9387, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9298, "src": "5822:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 9384, "name": "DAIStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9184, "src": "5800:9:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 9388, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5800:30:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9389, "nodeType": "EmitStatement", "src": "5795:35:29" } ] }, "documentation": "@dev Allows a staker to deposit DAI tokens. Notice that `approve` is\nneeded to be executed before the execution of this method.\nCan be executed only when the contract is not paused.\n@param _amount The amount of DAI to stake", "id": 9391, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 9301, "modifierName": { "argumentTypes": null, "id": 9300, "name": "whenNotPaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21068, "src": "4798:13:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "4798:13:29" } ], "name": "stakeDAI", "nodeType": "FunctionDefinition", "parameters": { "id": 9299, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9298, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 9391, "src": "4774:15:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9297, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4774:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4773:17:29" }, "returnParameters": { "id": 9302, "nodeType": "ParameterList", "parameters": [], "src": "4812:0:29" }, "scope": 9740, "src": "4756:1081:29", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 9473, "nodeType": "Block", "src": "5936:853:29", "statements": [ { "assignments": [ 9395 ], "declarations": [ { "constant": false, "id": 9395, "name": "staker", "nodeType": "VariableDeclaration", "scope": 9473, "src": "5946:21:29", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker" }, "typeName": { "contractScope": null, "id": 9394, "name": "Staker", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9174, "src": "5946:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker" } }, "value": null, "visibility": "internal" } ], "id": 9400, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 9396, "name": "stakers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9178, "src": "5970:7:29", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_struct$_Staker_$9174_storage_$", "typeString": "mapping(address => struct SimpleDAIStaking.Staker storage ref)" } }, "id": 9399, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9397, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22171, "src": "5978:3:29", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 9398, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5978:10:29", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5970:19:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage", "typeString": "struct SimpleDAIStaking.Staker storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "5946:43:29" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9405, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9402, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9395, "src": "6007:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9403, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "6007:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 9404, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6026:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "6007:20:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4e6f20444149207374616b6564", "id": 9406, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6029:15:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_c7a1c4dcae14020a6de4ccb28b8861c795f9958e1fbdb2ab0fb5dc5d25e10738", "typeString": "literal_string \"No DAI staked\"" }, "value": "No DAI staked" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_c7a1c4dcae14020a6de4ccb28b8861c795f9958e1fbdb2ab0fb5dc5d25e10738", "typeString": "literal_string \"No DAI staked\"" } ], "id": 9401, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "5999:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9407, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5999:46:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9408, "nodeType": "ExpressionStatement", "src": "5999:46:29" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9416, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9412, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9395, "src": "6085:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9413, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "6085:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9410, "name": "cDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9206, "src": "6063:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } }, "id": 9411, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "redeemUnderlying", "nodeType": "MemberAccess", "referencedDeclaration": 9133, "src": "6063:21:29", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256) external returns (uint256)" } }, "id": 9414, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6063:39:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 9415, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6106:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "6063:44:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4661696c656420746f2072656465656d2063446169", "id": 9417, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6109:23:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_1f647a2f625cf3b1ea4c7844befd4fe6574e2c7464224cfadaec07f3918cd8a2", "typeString": "literal_string \"Failed to redeem cDai\"" }, "value": "Failed to redeem cDai" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_1f647a2f625cf3b1ea4c7844befd4fe6574e2c7464224cfadaec07f3918cd8a2", "typeString": "literal_string \"Failed to redeem cDai\"" } ], "id": 9409, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "6055:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9418, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6055:78:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9419, "nodeType": "ExpressionStatement", "src": "6055:78:29" }, { "assignments": [ 9421 ], "declarations": [ { "constant": false, "id": 9421, "name": "daiWithdraw", "nodeType": "VariableDeclaration", "scope": 9473, "src": "6143:19:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9420, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6143:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 9424, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9422, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9395, "src": "6165:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9423, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "6165:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "6143:38:29" }, { "expression": { "argumentTypes": null, "id": 9429, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9425, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9395, "src": "6255:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9427, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "6255:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 9428, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6274:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "6255:20:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9430, "nodeType": "ExpressionStatement", "src": "6255:20:29" }, { "expression": { "argumentTypes": null, "id": 9436, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9431, "name": "totalStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9213, "src": "6286:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9434, "name": "daiWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9421, "src": "6316:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9432, "name": "totalStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9213, "src": "6300:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9433, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 21263, "src": "6300:15:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9435, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6300:28:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6286:42:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9437, "nodeType": "ExpressionStatement", "src": "6286:42:29" }, { "assignments": [ 9439 ], "declarations": [ { "constant": false, "id": 9439, "name": "daiActual", "nodeType": "VariableDeclaration", "scope": 9473, "src": "6497:17:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9438, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6497:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 9446, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9443, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22327, "src": "6539:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_SimpleDAIStaking_$9740", "typeString": "contract SimpleDAIStaking" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_SimpleDAIStaking_$9740", "typeString": "contract SimpleDAIStaking" } ], "id": 9442, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6531:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 9444, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6531:13:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 9440, "name": "dai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9204, "src": "6517:3:29", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$21849", "typeString": "contract ERC20" } }, "id": 9441, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": 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"overloadedDeclarations": [], "referencedDeclaration": 9439, "src": "6772:9:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 9466, "name": "DAIStakeWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9192, "src": "6730:16:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$_t_uint256_$returns$__$", "typeString": "function (address,uint256,uint256)" } }, "id": 9471, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6730:52:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9472, "nodeType": "EmitStatement", "src": "6725:57:29" } ] }, "documentation": "@dev Withdraws the sender staked DAI.", "id": 9474, "implemented": true, "kind": "function", "modifiers": [], "name": "withdrawStake", "nodeType": "FunctionDefinition", "parameters": { "id": 9392, "nodeType": "ParameterList", "parameters": [], "src": "5926:2:29" }, "returnParameters": { "id": 9393, "nodeType": "ParameterList", "parameters": [], "src": "5936:0:29" }, "scope": 9740, "src": "5904:885:29", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 9505, "nodeType": "Block", "src": "6977:258:29", "statements": [ { "assignments": [ 9480 ], "declarations": [ { "constant": false, "id": 9480, "name": "er", "nodeType": "VariableDeclaration", "scope": 9505, "src": "6987:10:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9479, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6987:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 9484, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 9481, "name": "cDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9206, "src": "7000:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } }, "id": 9482, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "exchangeRateStored", "nodeType": "MemberAccess", "referencedDeclaration": 9143, "src": "7000:23:29", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_uint256_$", "typeString": "function () view external returns (uint256)" } }, "id": 9483, "isConstant": false, "isLValue": false, "isPure": false, "kind": 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"lValueRequested": false, "nodeType": "Literal", "src": "7198:2:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "31653130", "id": 9495, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7183:4:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_10000000000_by_1", "typeString": "int_const 10000000000" }, "value": "1e10" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_10000000000_by_1", "typeString": "int_const 10000000000" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9491, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22327, "src": "7172:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_SimpleDAIStaking_$9740", "typeString": "contract SimpleDAIStaking" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_SimpleDAIStaking_$9740", "typeString": "contract SimpleDAIStaking" } ], "id": 9490, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7164:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 9492, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7164:13:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 9488, "name": "cDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9206, "src": "7149:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } }, "id": 9489, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 9150, "src": "7149:14:29", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 9493, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7149:29:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9494, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 21215, "src": "7149:33:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9496, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7149:39:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 9497, "name": "er", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9480, "src": "7190:2:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 9487, "name": "rmul", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 199, "src": "7144:4:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9498, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7144:49:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9499, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 21239, "src": "7144:53:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9501, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7144:57:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "7123:78:29" }, { "expression": { "argumentTypes": null, "id": 9503, "name": "daiBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9486, "src": "7218:10:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 9478, "id": 9504, "nodeType": "Return", "src": "7211:17:29" } ] }, "documentation": "@dev Calculates the worth of the staked cDAI tokens in DAI.\n@return (uint256) The worth in DAI", "id": 9506, "implemented": true, "kind": "function", "modifiers": [], "name": "currentDAIWorth", "nodeType": "FunctionDefinition", "parameters": { "id": 9475, "nodeType": "ParameterList", "parameters": [], "src": "6944:2:29" }, "returnParameters": { "id": 9478, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9477, "name": "", "nodeType": "VariableDeclaration", "scope": 9506, "src": "6968:7:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9476, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6968:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "6967:9:29" }, "scope": 9740, "src": "6920:315:29", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 9582, "nodeType": "Block", "src": "7615:870:29", "statements": [ { "assignments": [ 9516 ], "declarations": [ { "constant": false, "id": 9516, "name": "er", "nodeType": "VariableDeclaration", "scope": 9582, "src": "7625:10:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9515, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7625:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 9520, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 9517, "name": "cDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9206, "src": "7638:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } }, "id": 9518, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "exchangeRateStored", "nodeType": "MemberAccess", "referencedDeclaration": 9143, "src": "7638:23:29", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_uint256_$", "typeString": "function () view external returns (uint256)" } }, "id": 9519, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7638:25:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "7625:38:29" }, { "assignments": [ 9522 ], "declarations": [ { "constant": false, "id": 9522, "name": "daiWorth", "nodeType": "VariableDeclaration", "scope": 9582, "src": "7673:16:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9521, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7673:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 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"nodeType": "Return", "src": "10094:58:29" } ] }, "documentation": "@dev Checks if enough blocks have passed so it would be possible to\nexecute `collectUBIInterest` according to the length of `blockInterval`\n@return (bool) True if enough blocks have passed", "id": 9671, "implemented": true, "kind": "function", "modifiers": [], "name": "canCollect", "nodeType": "FunctionDefinition", "parameters": { "id": 9658, "nodeType": "ParameterList", "parameters": [], "src": "10054:2:29" }, "returnParameters": { "id": 9661, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9660, "name": "", "nodeType": "VariableDeclaration", "scope": 9671, "src": "10078:4:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 9659, "name": "bool", "nodeType": "ElementaryTypeName", "src": "10078:4:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, 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"typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 9317, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4947:13:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 9318, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9298, "src": "4962:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9311, "name": "dai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9204, "src": "4918:3:29", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$21849", "typeString": "contract ERC20" } }, "id": 9312, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 21578, "src": "4918:16:29", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 9319, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4918:52:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "74727565", "id": 9320, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "4974:4:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "src": "4918:60:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "7472616e7366657246726f6d206661696c65642c206d616b65207375726520796f7520617070726f76656420444149207472616e73666572", "id": 9322, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4992:58:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_ee07915d88e147dbd0474d1f4b7dd5b98a6778f07e832106ffd695a46b406d6e", "typeString": "literal_string \"transferFrom failed, make sure you approved DAI transfer\"" }, "value": "transferFrom failed, make sure you approved DAI transfer" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_ee07915d88e147dbd0474d1f4b7dd5b98a6778f07e832106ffd695a46b406d6e", "typeString": "literal_string \"transferFrom failed, make sure you approved DAI transfer\"" } ], "id": 9310, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "4897:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9323, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4897:163:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9324, "nodeType": "ExpressionStatement", "src": "4897:163:29" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9329, "name": "cDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9206, "src": "5131:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } ], "id": 9328, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "5123:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 9330, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5123:13:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 9331, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9298, "src": "5138:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9325, "name": "dai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9204, "src": "5111:3:29", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$21849", "typeString": "contract ERC20" } }, "id": 9327, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "approve", "nodeType": "MemberAccess", "referencedDeclaration": 21529, "src": "5111:11:29", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 9332, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5111:35:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 9333, "nodeType": "ExpressionStatement", "src": "5111:35:29" }, { "assignments": [ 9335 ], "declarations": [ { "constant": false, "id": 9335, "name": "res", "nodeType": "VariableDeclaration", "scope": 9390, "src": "5181:11:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9334, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5181:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 9340, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9338, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9298, "src": "5205:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9336, "name": "cDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9206, "src": "5195:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } }, "id": 9337, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mint", "nodeType": "MemberAccess", "referencedDeclaration": 9126, "src": "5195:9:29", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256) external returns (uint256)" } }, "id": 9339, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5195:18:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "5181:32:29" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9343, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 9341, "name": "res", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9335, "src": "5402:3:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 9342, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "5408:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "5402:7:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 9352, "nodeType": "IfStatement", "src": "5398:94:29", "trueBody": { "id": 9351, "nodeType": "Block", "src": "5411:81:29", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9347, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 9345, "name": "res", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9335, "src": "5433:3:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 9346, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "5440:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "5433:8:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4d696e74696e672063446169206661696c65642c2066756e64732072657475726e6564", "id": 9348, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "5443:37:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9fba825e72dafc705b289a19c5027021048dd7f2ebe3c823d265b59e8a41b98f", "typeString": "literal_string \"Minting cDai failed, funds returned\"" }, "value": "Minting cDai failed, funds returned" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9fba825e72dafc705b289a19c5027021048dd7f2ebe3c823d265b59e8a41b98f", "typeString": "literal_string \"Minting cDai failed, funds returned\"" } ], "id": 9344, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "5425:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9349, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5425:56:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9350, "nodeType": "ExpressionStatement", "src": "5425:56:29" } ] } }, { "assignments": [ 9354 ], "declarations": [ { "constant": false, "id": 9354, "name": "staker", "nodeType": "VariableDeclaration", "scope": 9390, "src": "5539:21:29", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker" }, "typeName": { "contractScope": null, "id": 9353, "name": "Staker", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9174, "src": "5539:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker" } }, "value": null, "visibility": "internal" } ], "id": 9359, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 9355, "name": "stakers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9178, "src": "5563:7:29", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_struct$_Staker_$9174_storage_$", "typeString": "mapping(address => struct SimpleDAIStaking.Staker storage ref)" } }, "id": 9358, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9356, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22171, "src": "5571:3:29", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 9357, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5571:10:29", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5563:19:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage", "typeString": "struct SimpleDAIStaking.Staker storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "5539:43:29" }, { "expression": { "argumentTypes": null, "id": 9368, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9360, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9354, "src": "5592:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9362, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "5592:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9366, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9298, "src": "5632:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9363, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9354, "src": "5611:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9364, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "5611:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9365, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 21287, "src": "5611:20:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9367, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5611:29:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5592:48:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9369, "nodeType": "ExpressionStatement", "src": "5592:48:29" }, { "expression": { "argumentTypes": null, "id": 9375, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9370, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9354, "src": "5650:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9372, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "lastStake", "nodeType": "MemberAccess", "referencedDeclaration": 9173, "src": "5650:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9373, "name": "block", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22161, "src": "5669:5:29", "typeDescriptions": { "typeIdentifier": "t_magic_block", "typeString": "block" } }, "id": 9374, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "number", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5669:12:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5650:31:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9376, "nodeType": "ExpressionStatement", "src": "5650:31:29" }, { "expression": { "argumentTypes": null, "id": 9382, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9377, "name": "totalStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9213, "src": "5746:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9380, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9298, "src": "5776:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9378, "name": "totalStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9213, "src": "5760:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9379, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 21287, "src": "5760:15:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9381, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5760:24:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5746:38:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9383, "nodeType": "ExpressionStatement", "src": "5746:38:29" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9385, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22171, "src": "5810:3:29", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 9386, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5810:10:29", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 9387, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9298, "src": "5822:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 9384, "name": "DAIStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9184, "src": "5800:9:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 9388, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5800:30:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9389, "nodeType": "EmitStatement", "src": "5795:35:29" } ] }, "documentation": "@dev Allows a staker to deposit DAI tokens. Notice that `approve` is\nneeded to be executed before the execution of this method.\nCan be executed only when the contract is not paused.\n@param _amount The amount of DAI to stake", "id": 9391, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 9301, "modifierName": { "argumentTypes": null, "id": 9300, "name": "whenNotPaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21068, "src": "4798:13:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "4798:13:29" } ], "name": "stakeDAI", "nodeType": "FunctionDefinition", "parameters": { "id": 9299, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9298, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 9391, "src": "4774:15:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9297, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4774:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4773:17:29" }, "returnParameters": { "id": 9302, "nodeType": "ParameterList", "parameters": [], "src": "4812:0:29" }, "scope": 9740, "src": "4756:1081:29", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 9473, "nodeType": "Block", "src": "5936:853:29", "statements": [ { "assignments": [ 9395 ], "declarations": [ { "constant": false, "id": 9395, "name": "staker", "nodeType": "VariableDeclaration", "scope": 9473, "src": "5946:21:29", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker" }, "typeName": { "contractScope": null, "id": 9394, "name": "Staker", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9174, "src": "5946:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker" } }, "value": null, "visibility": "internal" } ], "id": 9400, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 9396, "name": "stakers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9178, "src": "5970:7:29", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_struct$_Staker_$9174_storage_$", "typeString": "mapping(address => struct SimpleDAIStaking.Staker storage ref)" } }, "id": 9399, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9397, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22171, "src": "5978:3:29", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 9398, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5978:10:29", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5970:19:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage", "typeString": "struct SimpleDAIStaking.Staker storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "5946:43:29" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9405, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9402, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9395, "src": "6007:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9403, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "6007:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 9404, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6026:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "6007:20:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4e6f20444149207374616b6564", "id": 9406, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6029:15:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_c7a1c4dcae14020a6de4ccb28b8861c795f9958e1fbdb2ab0fb5dc5d25e10738", "typeString": "literal_string \"No DAI staked\"" }, "value": "No DAI staked" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_c7a1c4dcae14020a6de4ccb28b8861c795f9958e1fbdb2ab0fb5dc5d25e10738", "typeString": "literal_string \"No DAI staked\"" } ], "id": 9401, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "5999:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9407, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5999:46:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9408, "nodeType": "ExpressionStatement", "src": "5999:46:29" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9416, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9412, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9395, "src": "6085:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9413, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "6085:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9410, "name": "cDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9206, "src": "6063:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } }, "id": 9411, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "redeemUnderlying", "nodeType": "MemberAccess", "referencedDeclaration": 9133, "src": "6063:21:29", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256) external returns (uint256)" } }, "id": 9414, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6063:39:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 9415, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6106:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "6063:44:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4661696c656420746f2072656465656d2063446169", "id": 9417, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6109:23:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_1f647a2f625cf3b1ea4c7844befd4fe6574e2c7464224cfadaec07f3918cd8a2", "typeString": "literal_string \"Failed to redeem cDai\"" }, "value": "Failed to redeem cDai" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_1f647a2f625cf3b1ea4c7844befd4fe6574e2c7464224cfadaec07f3918cd8a2", "typeString": "literal_string \"Failed to redeem cDai\"" } ], "id": 9409, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "6055:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9418, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6055:78:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9419, "nodeType": "ExpressionStatement", "src": "6055:78:29" }, { "assignments": [ 9421 ], "declarations": [ { "constant": false, "id": 9421, "name": "daiWithdraw", "nodeType": "VariableDeclaration", "scope": 9473, "src": "6143:19:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9420, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6143:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 9424, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9422, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9395, "src": "6165:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9423, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "6165:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "6143:38:29" }, { "expression": { "argumentTypes": null, "id": 9429, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9425, "name": "staker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9395, "src": "6255:6:29", "typeDescriptions": { "typeIdentifier": "t_struct$_Staker_$9174_storage_ptr", "typeString": "struct SimpleDAIStaking.Staker storage pointer" } }, "id": 9427, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "stakedDAI", "nodeType": "MemberAccess", "referencedDeclaration": 9171, "src": "6255:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 9428, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6274:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "6255:20:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9430, "nodeType": "ExpressionStatement", "src": "6255:20:29" }, { "expression": { "argumentTypes": null, "id": 9436, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9431, "name": "totalStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9213, "src": "6286:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9434, "name": "daiWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9421, "src": "6316:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9432, "name": "totalStaked", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9213, "src": "6300:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9433, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 21263, "src": "6300:15:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9435, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6300:28:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6286:42:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9437, "nodeType": "ExpressionStatement", "src": "6286:42:29" }, { "assignments": [ 9439 ], "declarations": [ { "constant": false, "id": 9439, "name": "daiActual", "nodeType": "VariableDeclaration", "scope": 9473, "src": "6497:17:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9438, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6497:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 9446, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9443, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22327, "src": "6539:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_SimpleDAIStaking_$9740", "typeString": "contract SimpleDAIStaking" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_SimpleDAIStaking_$9740", "typeString": "contract SimpleDAIStaking" } ], "id": 9442, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6531:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 9444, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6531:13:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 9440, "name": "dai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9204, "src": "6517:3:29", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$21849", "typeString": "contract ERC20" } }, "id": 9441, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 21458, "src": "6517:13:29", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 9445, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6517:28:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "6497:48:29" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9449, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 9447, "name": "daiActual", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9439, "src": "6559:9:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "id": 9448, "name": "daiWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9421, "src": "6571:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6559:23:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 9455, "nodeType": "IfStatement", "src": "6555:77:29", "trueBody": { "id": 9454, "nodeType": "Block", "src": "6584:48:29", "statements": [ { "expression": { "argumentTypes": null, "id": 9452, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9450, "name": "daiWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9421, "src": "6598:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 9451, "name": "daiActual", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9439, "src": "6612:9:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6598:23:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9453, "nodeType": "ExpressionStatement", "src": "6598:23:29" } ] } }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9459, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22171, "src": "6662:3:29", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 9460, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6662:10:29", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 9461, "name": "daiWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9421, "src": "6674:11:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9457, "name": "dai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9204, "src": "6649:3:29", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$21849", "typeString": "contract ERC20" } }, "id": 9458, "isConstant": false, "isLValue": false, 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"typeString": "literal_string \"withdraw transfer failed\"" }, "value": "withdraw transfer failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_58bc929e474c8aeb2e4ca83613053e225f521e498e8deece823d1749bab458d1", "typeString": "literal_string \"withdraw transfer failed\"" } ], "id": 9456, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "6641:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9464, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6641:74:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9465, "nodeType": "ExpressionStatement", "src": 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"documentation": "@dev Calculates the current interest that was gained.\n@return (uint256, uint256, uint256) The interest in cDAI, the interest in DAI,\nthe amount which is not covered by precision of DAI", "id": 9583, "implemented": true, "kind": "function", "modifiers": [], "name": "currentUBIInterest", "nodeType": "FunctionDefinition", "parameters": { "id": 9507, "nodeType": "ParameterList", "parameters": [], "src": "7490:2:29" }, "returnParameters": { "id": 9514, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9509, "name": "", "nodeType": "VariableDeclaration", "scope": 9583, "src": "7551:7:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9508, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7551:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { 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"isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "9202:42:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_b186bec0df383c90e23d5b956c4da2f18dd93ac86eb077c5c0e428a763cbd6fa", "typeString": "literal_string \"Recipient cannot be the staking contract\"" }, "value": "Recipient cannot be the staking contract" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b186bec0df383c90e23d5b956c4da2f18dd93ac86eb077c5c0e428a763cbd6fa", "typeString": "literal_string \"Recipient cannot be the staking contract\"" } ], "id": 9598, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "9165:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function 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null, "visibility": "internal" } ], "id": 9621, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 9619, "name": "currentUBIInterest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9583, "src": "9438:18:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_uint256_$_t_uint256_$_t_uint256_$", "typeString": "function () view returns (uint256,uint256,uint256)" } }, "id": 9620, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9438:20:29", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$_t_uint256_$", "typeString": "tuple(uint256,uint256,uint256)" } }, "nodeType": "VariableDeclarationStatement", "src": "9326:132:29" }, { "expression": { "argumentTypes": null, "id": 9628, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 9622, "name": "lastUBICollection", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9210, "src": "9468:17:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9626, "name": "blockInterval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9208, "src": "9505:13:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9623, "name": "block", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22161, "src": "9488:5:29", "typeDescriptions": { "typeIdentifier": "t_magic_block", "typeString": "block" } }, "id": 9624, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "number", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "9488:12:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9625, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 21239, "src": "9488:16:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9627, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9488:31:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9468:51:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9629, "nodeType": "ExpressionStatement", "src": "9468:51:29" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9632, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 9630, "name": "cdaiGains", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9614, "src": "9533:9:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 9631, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9545:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "9533:13:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 9642, "nodeType": "IfStatement", "src": "9529:103:29", "trueBody": { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9636, "name": "_recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9585, "src": "9582:10:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 9637, "name": "cdaiGains", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9614, "src": "9594:9:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 9634, "name": "cDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9206, "src": "9568:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_cERC20_$9160", "typeString": "contract cERC20" } }, "id": 9635, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transfer", "nodeType": "MemberAccess", "referencedDeclaration": 9159, "src": "9568:13:29", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 9638, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9568:36:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "636f6c6c656374207472616e73666572206661696c6564", "id": 9639, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "9606:25:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_c955f53632207d8104a997da6e051a24feef1c53c0972ac3af4bdda83f5d190e", "typeString": "literal_string \"collect transfer failed\"" }, "value": "collect transfer failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_c955f53632207d8104a997da6e051a24feef1c53c0972ac3af4bdda83f5d190e", "typeString": "literal_string \"collect transfer failed\"" } ], "id": 9633, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 22174, 22175 ], "referencedDeclaration": 22175, "src": "9560:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 9640, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9560:72:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9641, "nodeType": "ExpressionStatement", "src": "9560:72:29" } }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9644, "name": "_recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9585, "src": "9665:10:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 9645, "name": "cdaiGains", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9614, "src": "9677:9:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 9646, "name": "daiGains", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9616, "src": "9688:8:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 9647, "name": "precisionLossDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9618, "src": "9698:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 9643, "name": "InterestCollected", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9202, "src": "9647:17:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$_t_uint256_$_t_uint256_$returns$__$", "typeString": "function (address,uint256,uint256,uint256)" } }, "id": 9648, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9647:68:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9649, "nodeType": "EmitStatement", "src": "9642:73:29" }, { "expression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "id": 9650, "name": "cdaiGains", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9614, "src": "9733:9:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 9651, "name": "daiGains", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9616, "src": "9744:8:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 9652, "name": "precisionLossDai", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9618, "src": "9754:16:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 9653, "name": "avgInterestDonatedRatio", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9216, "src": "9772:23:29", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } } ], "id": 9654, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "9732:64:29", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$_t_uint256_$_t_uint32_$", "typeString": "tuple(uint256,uint256,uint256,uint32)" } }, "functionReturnParameters": 9597, "id": 9655, "nodeType": "Return", "src": "9725:71:29" } ] }, "documentation": "@dev Collects gained interest by fundmanager. Can be collected only once\nin an interval which is defined above.\n@param _recipient The recipient of cDAI gains\n@return (uint256, uint256, uint256, uint32) The interest in cDAI, the interest in DAI,\nthe amount which is not covered by precision of DAI, how much of the generated interest is donated", "id": 9657, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 9588, "modifierName": { "argumentTypes": null, "id": 9587, "name": "onlyFundManager", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9230, "src": "8957:15:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "8957:15:29" } ], "name": "collectUBIInterest", "nodeType": "FunctionDefinition", "parameters": { "id": 9586, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9585, "name": "_recipient", "nodeType": "VariableDeclaration", "scope": 9657, "src": "8914:18:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 9584, "name": "address", "nodeType": "ElementaryTypeName", "src": "8914:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "8913:20:29" }, "returnParameters": { "id": 9597, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9590, "name": "", "nodeType": "VariableDeclaration", "scope": 9657, "src": "9003:7:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9589, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9003:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 9592, "name": "", "nodeType": "VariableDeclaration", "scope": 9657, "src": "9024:7:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9591, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9024:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 9594, "name": "", "nodeType": "VariableDeclaration", "scope": 9657, "src": "9045:7:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9593, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9045:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 9596, "name": "", "nodeType": "VariableDeclaration", "scope": 9657, "src": "9066:6:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 9595, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "9066:6:29", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" } ], "src": "8989:93:29" }, "scope": 9740, "src": "8886:917:29", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 9670, "nodeType": "Block", "src": "10084:75:29", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9668, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9665, "name": "blockInterval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9208, "src": "10118:13:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 9662, "name": "block", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22161, "src": "10101:5:29", "typeDescriptions": { "typeIdentifier": "t_magic_block", "typeString": "block" } }, "id": 9663, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "number", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "10101:12:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9664, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 21239, "src": "10101:16:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 9666, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10101:31:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "id": 9667, "name": "lastUBICollection", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9210, "src": "10135:17:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "10101:51:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 9661, "id": 9669, "nodeType": "Return", "src": "10094:58:29" } ] }, "documentation": "@dev Checks if enough blocks have passed so it would be possible to\nexecute `collectUBIInterest` according to the length of `blockInterval`\n@return (bool) True if enough blocks have passed", "id": 9671, "implemented": true, "kind": "function", "modifiers": [], "name": "canCollect", "nodeType": "FunctionDefinition", "parameters": { "id": 9658, "nodeType": "ParameterList", "parameters": [], "src": "10054:2:29" }, "returnParameters": { "id": 9661, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9660, "name": "", "nodeType": "VariableDeclaration", "scope": 9671, "src": "10078:4:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 9659, "name": "bool", "nodeType": "ElementaryTypeName", "src": "10078:4:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "10077:6:29" }, "scope": 9740, "src": "10035:124:29", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 9679, "nodeType": "Block", "src": "10350:28:29", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 9676, "name": "addRights", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1203, "src": "10360:9:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 9677, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10360:11:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9678, "nodeType": "ExpressionStatement", "src": "10360:11:29" } ] }, "documentation": "@dev Start function. Adds this contract to identity as a feeless scheme.\nCan only be called if scheme is registered", "id": 9680, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 9674, "modifierName": { "argumentTypes": null, "id": 9673, "name": "onlyRegistered", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1335, "src": "10335:14:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "10335:14:29" } ], "name": "start", "nodeType": "FunctionDefinition", "parameters": { "id": 9672, "nodeType": "ParameterList", "parameters": [], "src": "10325:2:29" }, "returnParameters": { "id": 9675, "nodeType": "ParameterList", "parameters": [], "src": "10350:0:29" }, "scope": 9740, "src": "10311:67:29", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 9691, "nodeType": "Block", "src": "10643:48:29", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 9685, "name": "pause", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21093, "src": "10653:5:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 9686, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10653:7:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9687, "nodeType": "ExpressionStatement", "src": "10653:7:29" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 9688, "name": "removeRights", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1226, "src": "10670:12:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 9689, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10670:14:29", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9690, "nodeType": "ExpressionStatement", "src": "10670:14:29" } ] }, "documentation": "@dev making the contract inactive\nNOTICE: this could theoretically result in future interest earned in cdai to remain locked\nbut we dont expect any other stakers but us in SimpleDAIStaking", "id": 9692, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 9683, "modifierName": { "argumentTypes": null, "id": 9682, "name": "onlyAvatar", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1325, "src": "10632:10:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "10632:10:29" } ], "name": "end", "nodeType": "FunctionDefinition", "parameters": { "id": 9681, "nodeType": "ParameterList", "parameters": [], "src": "10622:2:29" }, "returnParameters": { "id": 9684, "nodeType": "ParameterList", "parameters": [], "src": "10643:0:29" }, "scope": 9740, "src": "10610:81:29", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 9738, "nodeType": "Block", "src": "10883:457:29", "statements": [ { "assignments": [ 9700 ], "declarations": [ { "constant": false, "id": 9700, "name": "toWithdraw", "nodeType": "VariableDeclaration", "scope": 9738, "src": "10893:18:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9699, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "10893:7:29", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 9707, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 9704, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22327, "src": "10939:4:29", "typeDescriptions": { "typeIdentifier": "t_contract$_SimpleDAIStaking_$9740", "typeString": "contract SimpleDAIStaking" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_SimpleDAIStaking_$9740", "typeString": "contract SimpleDAIStaking" } ], "id": 9703, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "10931:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 9705, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, 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