{
    "contractName": "HashedTimelockERC20",
    "abi": [
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "bytes32",
                    "name": "contractId",
                    "type": "bytes32"
                },
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "sender",
                    "type": "address"
                },
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "receiver",
                    "type": "address"
                },
                {
                    "indexed": false,
                    "internalType": "address",
                    "name": "tokenContract",
                    "type": "address"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                },
                {
                    "indexed": false,
                    "internalType": "bytes32",
                    "name": "hashlock",
                    "type": "bytes32"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "timelock",
                    "type": "uint256"
                }
            ],
            "name": "HTLCERC20New",
            "type": "event"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "bytes32",
                    "name": "contractId",
                    "type": "bytes32"
                }
            ],
            "name": "HTLCERC20Refund",
            "type": "event"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "bytes32",
                    "name": "contractId",
                    "type": "bytes32"
                }
            ],
            "name": "HTLCERC20Withdraw",
            "type": "event"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "_receiver",
                    "type": "address"
                },
                {
                    "internalType": "bytes32",
                    "name": "_hashlock",
                    "type": "bytes32"
                },
                {
                    "internalType": "uint256",
                    "name": "_timelock",
                    "type": "uint256"
                },
                {
                    "internalType": "address",
                    "name": "_tokenContract",
                    "type": "address"
                },
                {
                    "internalType": "uint256",
                    "name": "_amount",
                    "type": "uint256"
                }
            ],
            "name": "newContract",
            "outputs": [
                {
                    "internalType": "bytes32",
                    "name": "contractId",
                    "type": "bytes32"
                }
            ],
            "stateMutability": "nonpayable",
            "type": "function"
        },
        {
            "inputs": [
                {
                    "internalType": "bytes32",
                    "name": "_contractId",
                    "type": "bytes32"
                },
                {
                    "internalType": "bytes32",
                    "name": "_preimage",
                    "type": "bytes32"
                }
            ],
            "name": "withdraw",
            "outputs": [
                {
                    "internalType": "bool",
                    "name": "",
                    "type": "bool"
                }
            ],
            "stateMutability": "nonpayable",
            "type": "function"
        },
        {
            "inputs": [
                {
                    "internalType": "bytes32",
                    "name": "_contractId",
                    "type": "bytes32"
                }
            ],
            "name": "refund",
            "outputs": [
                {
                    "internalType": "bool",
                    "name": "",
                    "type": "bool"
                }
            ],
            "stateMutability": "nonpayable",
            "type": "function"
        },
        {
            "inputs": [
                {
                    "internalType": "bytes32",
                    "name": "_contractId",
                    "type": "bytes32"
                }
            ],
            "name": "getContract",
            "outputs": [
                {
                    "internalType": "address",
                    "name": "sender",
                    "type": "address"
                },
                {
                    "internalType": "address",
                    "name": "receiver",
                    "type": "address"
                },
                {
                    "internalType": "address",
                    "name": "tokenContract",
                    "type": "address"
                },
                {
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                },
                {
                    "internalType": "bytes32",
                    "name": "hashlock",
                    "type": "bytes32"
                },
                {
                    "internalType": "uint256",
                    "name": "timelock",
                    "type": "uint256"
                },
                {
                    "internalType": "bool",
                    "name": "withdrawn",
                    "type": "bool"
                },
                {
                    "internalType": "bool",
                    "name": "refunded",
                    "type": "bool"
                },
                {
                    "internalType": "bytes32",
                    "name": "preimage",
                    "type": "bytes32"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true
        }
    ],
    "metadata": "{\"compiler\":{\"version\":\"0.8.17+commit.8df45f5f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"contractId\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"receiver\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"tokenContract\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"hashlock\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"timelock\",\"type\":\"uint256\"}],\"name\":\"HTLCERC20New\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"contractId\",\"type\":\"bytes32\"}],\"name\":\"HTLCERC20Refund\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"contractId\",\"type\":\"bytes32\"}],\"name\":\"HTLCERC20Withdraw\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_contractId\",\"type\":\"bytes32\"}],\"name\":\"getContract\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"receiver\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"tokenContract\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"hashlock\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"timelock\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"withdrawn\",\"type\":\"bool\"},{\"internalType\":\"bool\",\"name\":\"refunded\",\"type\":\"bool\"},{\"internalType\":\"bytes32\",\"name\":\"preimage\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_receiver\",\"type\":\"address\"},{\"internalType\":\"bytes32\",\"name\":\"_hashlock\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"_timelock\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"_tokenContract\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"newContract\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"contractId\",\"type\":\"bytes32\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_contractId\",\"type\":\"bytes32\"}],\"name\":\"refund\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_contractId\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"_preimage\",\"type\":\"bytes32\"}],\"name\":\"withdraw\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"getContract(bytes32)\":{\"details\":\"Get contract details.\",\"params\":{\"_contractId\":\"HTLC contract id\"}},\"newContract(address,bytes32,uint256,address,uint256)\":{\"details\":\"Sender / Payer sets up a new hash time lock contract depositing the funds and providing the reciever and terms. NOTE: _receiver must first call approve() on the token contract.       See allowance check in tokensTransferable modifier.\",\"params\":{\"_amount\":\"Amount of the token to lock up.\",\"_hashlock\":\"A sha-2 sha256 hash hashlock.\",\"_receiver\":\"Receiver of the tokens.\",\"_timelock\":\"UNIX epoch seconds time that the lock expires at.                  Refunds can be made after this time.\",\"_tokenContract\":\"ERC20 Token contract address.\"},\"returns\":{\"contractId\":\"Id of the new HTLC. This is needed for subsequent                    calls.\"}},\"refund(bytes32)\":{\"details\":\"Called by the sender if there was no withdraw AND the time lock has expired. This will restore ownership of the tokens to the sender.\",\"params\":{\"_contractId\":\"Id of HTLC to refund from.\"},\"returns\":{\"_0\":\"bool true on success\"}},\"withdraw(bytes32,bytes32)\":{\"details\":\"Called by the receiver once they know the preimage of the hashlock. This will transfer ownership of the locked tokens to their address.\",\"params\":{\"_contractId\":\"Id of the HTLC.\",\"_preimage\":\"sha256(_preimage) should equal the contract hashlock.\"},\"returns\":{\"_0\":\"bool true on success\"}}},\"title\":\"Hashed Timelock Contracts (HTLCs) on Ethereum ERC20 tokens. This contract provides a way to create and keep HTLCs for ERC20 tokens. See HashedTimelock.sol for a contract that provides the same functions for the native ETH token. Protocol:  1) newContract(receiver, hashlock, timelock, tokenContract, amount) - a      sender calls this to create a new HTLC on a given token (tokenContract)       for a given amount. A 32 byte contract id is returned  2) withdraw(contractId, preimage) - once the receiver knows the preimage of      the hashlock hash they can claim the tokens with this function  3) refund() - after timelock has expired and if the receiver did not      withdraw the tokens the sender / creator of the HTLC can get their tokens      back with this function.\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/HashedTimelockERC20.sol\":\"HashedTimelockERC20\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"project:/contracts/HashedTimelockERC20.sol\":{\"keccak256\":\"0x56f70b2aaedd67fbb8ef7e5f1def08e7f4b4ed202f0e085eab862ea085647f62\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://a9d0b2812afceae1975850f52f77a38579082d90ccb9a98ea81f275ceec7d035\",\"dweb:/ipfs/QmbmWPYbfMGBjRXR5Y1ZgMKasnBaFWHWB6axN6m8yKL77i\"]},\"project:/node_modules/@openzeppelin/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0x4ffc0547c02ad22925310c585c0f166f8759e2648a09e9b489100c42f15dd98d\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://15f52f51413a9de1ff191e2f6367c62178e1df7806d7880fe857a98b0b66253d\",\"dweb:/ipfs/QmaQG1fwfgUt5E9nu2cccFiV47B2V78MM1tCy1qB7n4MsH\"]},\"project:/node_modules/@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x9750c6b834f7b43000631af5cc30001c5f547b3ceb3635488f140f60e897ea6b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://5a7d5b1ef5d8d5889ad2ed89d8619c09383b80b72ab226e0fe7bde1636481e34\",\"dweb:/ipfs/QmebXWgtEfumQGBdVeM6c71McLixYXQP5Bk6kKXuoY4Bmr\"]},\"project:/node_modules/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\":{\"keccak256\":\"0x8de418a5503946cabe331f35fe242d3201a73f67f77aaeb7110acb1f30423aca\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://5a376d3dda2cb70536c0a45c208b29b34ac560c4cb4f513a42079f96ba47d2dd\",\"dweb:/ipfs/QmZQg6gn1sUpM8wHzwNvSnihumUCAhxD119MpXeKp8B9s8\"]},\"project:/node_modules/@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0xe2e337e6dde9ef6b680e07338c493ebea1b5fd09b43424112868e9cc1706bca7\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6df0ddf21ce9f58271bdfaa85cde98b200ef242a05a3f85c2bc10a8294800a92\",\"dweb:/ipfs/QmRK2Y5Yc6BK7tGKkgsgn3aJEQGi5aakeSPZvS65PV8Xp3\"]}},\"version\":1}",
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                                            "name": "store_literal_in_memory_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9",
                                            "nodeType": "YulIdentifier",
                                            "src": "25595:88:17"
                                        },
                                        "nodeType": "YulFunctionCall",
                                        "src": "25595:93:17"
                                    },
                                    "nodeType": "YulExpressionStatement",
                                    "src": "25595:93:17"
                                },
                                {
                                    "nodeType": "YulAssignment",
                                    "src": "25697:19:17",
                                    "value": {
                                        "arguments": [
                                            {
                                                "name": "pos",
                                                "nodeType": "YulIdentifier",
                                                "src": "25708:3:17"
                                            },
                                            {
                                                "kind": "number",
                                                "nodeType": "YulLiteral",
                                                "src": "25713:2:17",
                                                "type": "",
                                                "value": "64"
                                            }
                                        ],
                                        "functionName": {
                                            "name": "add",
                                            "nodeType": "YulIdentifier",
                                            "src": "25704:3:17"
                                        },
                                        "nodeType": "YulFunctionCall",
                                        "src": "25704:12:17"
                                    },
                                    "variableNames": [
                                        {
                                            "name": "end",
                                            "nodeType": "YulIdentifier",
                                            "src": "25697:3:17"
                                        }
                                    ]
                                }
                            ]
                        },
                        "name": "abi_encode_t_stringliteral_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9_to_t_string_memory_ptr_fromStack",
                        "nodeType": "YulFunctionDefinition",
                        "parameters": [
                            {
                                "name": "pos",
                                "nodeType": "YulTypedName",
                                "src": "25490:3:17",
                                "type": ""
                            }
                        ],
                        "returnVariables": [
                            {
                                "name": "end",
                                "nodeType": "YulTypedName",
                                "src": "25498:3:17",
                                "type": ""
                            }
                        ],
                        "src": "25356:366:17"
                    },
                    {
                        "body": {
                            "nodeType": "YulBlock",
                            "src": "25899:248:17",
                            "statements": [
                                {
                                    "nodeType": "YulAssignment",
                                    "src": "25909:26:17",
                                    "value": {
                                        "arguments": [
                                            {
                                                "name": "headStart",
                                                "nodeType": "YulIdentifier",
                                                "src": "25921:9:17"
                                            },
                                            {
                                                "kind": "number",
                                                "nodeType": "YulLiteral",
                                                "src": "25932:2:17",
                                                "type": "",
                                                "value": "32"
                                            }
                                        ],
                                        "functionName": {
                                            "name": "add",
                                            "nodeType": "YulIdentifier",
                                            "src": "25917:3:17"
                                        },
                                        "nodeType": "YulFunctionCall",
                                        "src": "25917:18:17"
                                    },
                                    "variableNames": [
                                        {
                                            "name": "tail",
                                            "nodeType": "YulIdentifier",
                                            "src": "25909:4:17"
                                        }
                                    ]
                                },
                                {
                                    "expression": {
                                        "arguments": [
                                            {
                                                "arguments": [
                                                    {
                                                        "name": "headStart",
                                                        "nodeType": "YulIdentifier",
                                                        "src": "25956:9:17"
                                                    },
                                                    {
                                                        "kind": "number",
                                                        "nodeType": "YulLiteral",
                                                        "src": "25967:1:17",
                                                        "type": "",
                                                        "value": "0"
                                                    }
                                                ],
                                                "functionName": {
                                                    "name": "add",
                                                    "nodeType": "YulIdentifier",
                                                    "src": "25952:3:17"
                                                },
                                                "nodeType": "YulFunctionCall",
                                                "src": "25952:17:17"
                                            },
                                            {
                                                "arguments": [
                                                    {
                                                        "name": "tail",
                                                        "nodeType": "YulIdentifier",
                                                        "src": "25975:4:17"
                                                    },
                                                    {
                                                        "name": "headStart",
                                                        "nodeType": "YulIdentifier",
                                                        "src": "25981:9:17"
                                                    }
                                                ],
                                                "functionName": {
                                                    "name": "sub",
                                                    "nodeType": "YulIdentifier",
                                                    "src": "25971:3:17"
                                                },
                                                "nodeType": "YulFunctionCall",
                                                "src": "25971:20:17"
                                            }
                                        ],
                                        "functionName": {
                                            "name": "mstore",
                                            "nodeType": "YulIdentifier",
                                            "src": "25945:6:17"
                                        },
                                        "nodeType": "YulFunctionCall",
                                        "src": "25945:47:17"
                                    },
                                    "nodeType": "YulExpressionStatement",
                                    "src": "25945:47:17"
                                },
                                {
                                    "nodeType": "YulAssignment",
                                    "src": "26001:139:17",
                                    "value": {
                                        "arguments": [
                                            {
                                                "name": "tail",
                                                "nodeType": "YulIdentifier",
                                                "src": "26135:4:17"
                                            }
                                        ],
                                        "functionName": {
                                            "name": "abi_encode_t_stringliteral_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9_to_t_string_memory_ptr_fromStack",
                                            "nodeType": "YulIdentifier",
                                            "src": "26009:124:17"
                                        },
                                        "nodeType": "YulFunctionCall",
                                        "src": "26009:131:17"
                                    },
                                    "variableNames": [
                                        {
                                            "name": "tail",
                                            "nodeType": "YulIdentifier",
                                            "src": "26001:4:17"
                                        }
                                    ]
                                }
                            ]
                        },
                        "name": "abi_encode_tuple_t_stringliteral_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9__to_t_string_memory_ptr__fromStack_reversed",
                        "nodeType": "YulFunctionDefinition",
                        "parameters": [
                            {
                                "name": "headStart",
                                "nodeType": "YulTypedName",
                                "src": "25879:9:17",
                                "type": ""
                            }
                        ],
                        "returnVariables": [
                            {
                                "name": "tail",
                                "nodeType": "YulTypedName",
                                "src": "25894:4:17",
                                "type": ""
                            }
                        ],
                        "src": "25728:419:17"
                    }
                ]
            },
            "contents": "{\n\n    function allocate_unbounded() -> memPtr {\n        memPtr := mload(64)\n    }\n\n    function revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b() {\n        revert(0, 0)\n    }\n\n    function revert_error_c1322bf8034eace5e0b5c7295db60986aa89aae5e0ea0873e4689e076861a5db() {\n        revert(0, 0)\n    }\n\n    function cleanup_t_uint160(value) -> cleaned {\n        cleaned := and(value, 0xffffffffffffffffffffffffffffffffffffffff)\n    }\n\n    function cleanup_t_address(value) -> cleaned {\n        cleaned := cleanup_t_uint160(value)\n    }\n\n    function validator_revert_t_address(value) {\n        if iszero(eq(value, cleanup_t_address(value))) { revert(0, 0) }\n    }\n\n    function abi_decode_t_address(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_address(value)\n    }\n\n    function cleanup_t_bytes32(value) -> cleaned {\n        cleaned := value\n    }\n\n    function validator_revert_t_bytes32(value) {\n        if iszero(eq(value, cleanup_t_bytes32(value))) { revert(0, 0) }\n    }\n\n    function abi_decode_t_bytes32(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_bytes32(value)\n    }\n\n    function cleanup_t_uint256(value) -> cleaned {\n        cleaned := value\n    }\n\n    function validator_revert_t_uint256(value) {\n        if iszero(eq(value, cleanup_t_uint256(value))) { revert(0, 0) }\n    }\n\n    function abi_decode_t_uint256(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_uint256(value)\n    }\n\n    function abi_decode_tuple_t_addresst_bytes32t_uint256t_addresst_uint256(headStart, dataEnd) -> value0, value1, value2, value3, value4 {\n        if slt(sub(dataEnd, headStart), 160) { revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b() }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_bytes32(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 64\n\n            value2 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 96\n\n            value3 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 128\n\n            value4 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_encode_t_bytes32_to_t_bytes32_fromStack(value, pos) {\n        mstore(pos, cleanup_t_bytes32(value))\n    }\n\n    function abi_encode_tuple_t_bytes32__to_t_bytes32__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_bytes32_to_t_bytes32_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_decode_tuple_t_bytes32t_bytes32(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b() }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_bytes32(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_bytes32(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function cleanup_t_bool(value) -> cleaned {\n        cleaned := iszero(iszero(value))\n    }\n\n    function abi_encode_t_bool_to_t_bool_fromStack(value, pos) {\n        mstore(pos, cleanup_t_bool(value))\n    }\n\n    function abi_encode_tuple_t_bool__to_t_bool__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_bool_to_t_bool_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_decode_tuple_t_bytes32(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b() }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_bytes32(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_encode_t_address_to_t_address_fromStack(value, pos) {\n        mstore(pos, cleanup_t_address(value))\n    }\n\n    function abi_encode_t_uint256_to_t_uint256_fromStack(value, pos) {\n        mstore(pos, cleanup_t_uint256(value))\n    }\n\n    function abi_encode_tuple_t_address_t_address_t_address_t_uint256_t_bytes32_t_uint256_t_bool_t_bool_t_bytes32__to_t_address_t_address_t_address_t_uint256_t_bytes32_t_uint256_t_bool_t_bool_t_bytes32__fromStack_reversed(headStart , value8, value7, value6, value5, value4, value3, value2, value1, value0) -> tail {\n        tail := add(headStart, 288)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_address_to_t_address_fromStack(value1,  add(headStart, 32))\n\n        abi_encode_t_address_to_t_address_fromStack(value2,  add(headStart, 64))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value3,  add(headStart, 96))\n\n        abi_encode_t_bytes32_to_t_bytes32_fromStack(value4,  add(headStart, 128))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value5,  add(headStart, 160))\n\n        abi_encode_t_bool_to_t_bool_fromStack(value6,  add(headStart, 192))\n\n        abi_encode_t_bool_to_t_bool_fromStack(value7,  add(headStart, 224))\n\n        abi_encode_t_bytes32_to_t_bytes32_fromStack(value8,  add(headStart, 256))\n\n    }\n\n    function array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length) -> updated_pos {\n        mstore(pos, length)\n        updated_pos := add(pos, 0x20)\n    }\n\n    function store_literal_in_memory_ef8462853d6a0c63b24b7e3a8f909d1829994486c1a37cf6bbf9abe6b4e2cab7(memPtr) {\n\n        mstore(add(memPtr, 0), \"token amount must be > 0\")\n\n    }\n\n    function abi_encode_t_stringliteral_ef8462853d6a0c63b24b7e3a8f909d1829994486c1a37cf6bbf9abe6b4e2cab7_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 24)\n        store_literal_in_memory_ef8462853d6a0c63b24b7e3a8f909d1829994486c1a37cf6bbf9abe6b4e2cab7(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_ef8462853d6a0c63b24b7e3a8f909d1829994486c1a37cf6bbf9abe6b4e2cab7__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_ef8462853d6a0c63b24b7e3a8f909d1829994486c1a37cf6bbf9abe6b4e2cab7_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_address_t_address__to_t_address_t_address__fromStack_reversed(headStart , value1, value0) -> tail {\n        tail := add(headStart, 64)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_address_to_t_address_fromStack(value1,  add(headStart, 32))\n\n    }\n\n    function abi_decode_t_uint256_fromMemory(offset, end) -> value {\n        value := mload(offset)\n        validator_revert_t_uint256(value)\n    }\n\n    function abi_decode_tuple_t_uint256_fromMemory(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b() }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_uint256_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function store_literal_in_memory_98db95208a4165db2bf846b140f267671bc24ad3503084b9b0a60b8f7c8a0ad2(memPtr) {\n\n        mstore(add(memPtr, 0), \"token allowance must be >= amoun\")\n\n        mstore(add(memPtr, 32), \"t\")\n\n    }\n\n    function abi_encode_t_stringliteral_98db95208a4165db2bf846b140f267671bc24ad3503084b9b0a60b8f7c8a0ad2_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 33)\n        store_literal_in_memory_98db95208a4165db2bf846b140f267671bc24ad3503084b9b0a60b8f7c8a0ad2(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_tuple_t_stringliteral_98db95208a4165db2bf846b140f267671bc24ad3503084b9b0a60b8f7c8a0ad2__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_98db95208a4165db2bf846b140f267671bc24ad3503084b9b0a60b8f7c8a0ad2_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function store_literal_in_memory_16dbfee8f738f21cc70987859d9176eb37f9ed0572f04024e006404bb83f7086(memPtr) {\n\n        mstore(add(memPtr, 0), \"timelock time must be in the fut\")\n\n        mstore(add(memPtr, 32), \"ure\")\n\n    }\n\n    function abi_encode_t_stringliteral_16dbfee8f738f21cc70987859d9176eb37f9ed0572f04024e006404bb83f7086_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 35)\n        store_literal_in_memory_16dbfee8f738f21cc70987859d9176eb37f9ed0572f04024e006404bb83f7086(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_tuple_t_stringliteral_16dbfee8f738f21cc70987859d9176eb37f9ed0572f04024e006404bb83f7086__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_16dbfee8f738f21cc70987859d9176eb37f9ed0572f04024e006404bb83f7086_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function shift_left_96(value) -> newValue {\n        newValue :=\n\n        shl(96, value)\n\n    }\n\n    function leftAlign_t_uint160(value) -> aligned {\n        aligned := shift_left_96(value)\n    }\n\n    function leftAlign_t_address(value) -> aligned {\n        aligned := leftAlign_t_uint160(value)\n    }\n\n    function abi_encode_t_address_to_t_address_nonPadded_inplace_fromStack(value, pos) {\n        mstore(pos, leftAlign_t_address(cleanup_t_address(value)))\n    }\n\n    function leftAlign_t_uint256(value) -> aligned {\n        aligned := value\n    }\n\n    function abi_encode_t_uint256_to_t_uint256_nonPadded_inplace_fromStack(value, pos) {\n        mstore(pos, leftAlign_t_uint256(cleanup_t_uint256(value)))\n    }\n\n    function leftAlign_t_bytes32(value) -> aligned {\n        aligned := value\n    }\n\n    function abi_encode_t_bytes32_to_t_bytes32_nonPadded_inplace_fromStack(value, pos) {\n        mstore(pos, leftAlign_t_bytes32(cleanup_t_bytes32(value)))\n    }\n\n    function abi_encode_tuple_packed_t_address_t_address_t_address_t_uint256_t_bytes32_t_uint256__to_t_address_t_address_t_address_t_uint256_t_bytes32_t_uint256__nonPadded_inplace_fromStack_reversed(pos , value5, value4, value3, value2, value1, value0) -> end {\n\n        abi_encode_t_address_to_t_address_nonPadded_inplace_fromStack(value0,  pos)\n        pos := add(pos, 20)\n\n        abi_encode_t_address_to_t_address_nonPadded_inplace_fromStack(value1,  pos)\n        pos := add(pos, 20)\n\n        abi_encode_t_address_to_t_address_nonPadded_inplace_fromStack(value2,  pos)\n        pos := add(pos, 20)\n\n        abi_encode_t_uint256_to_t_uint256_nonPadded_inplace_fromStack(value3,  pos)\n        pos := add(pos, 32)\n\n        abi_encode_t_bytes32_to_t_bytes32_nonPadded_inplace_fromStack(value4,  pos)\n        pos := add(pos, 32)\n\n        abi_encode_t_uint256_to_t_uint256_nonPadded_inplace_fromStack(value5,  pos)\n        pos := add(pos, 32)\n\n        end := pos\n    }\n\n    function array_length_t_bytes_memory_ptr(value) -> length {\n\n        length := mload(value)\n\n    }\n\n    function array_storeLengthForEncoding_t_bytes_memory_ptr_nonPadded_inplace_fromStack(pos, length) -> updated_pos {\n        updated_pos := pos\n    }\n\n    function copy_memory_to_memory_with_cleanup(src, dst, length) {\n        let i := 0\n        for { } lt(i, length) { i := add(i, 32) }\n        {\n            mstore(add(dst, i), mload(add(src, i)))\n        }\n        mstore(add(dst, length), 0)\n    }\n\n    function abi_encode_t_bytes_memory_ptr_to_t_bytes_memory_ptr_nonPadded_inplace_fromStack(value, pos) -> end {\n        let length := array_length_t_bytes_memory_ptr(value)\n        pos := array_storeLengthForEncoding_t_bytes_memory_ptr_nonPadded_inplace_fromStack(pos, length)\n        copy_memory_to_memory_with_cleanup(add(value, 0x20), pos, length)\n        end := add(pos, length)\n    }\n\n    function abi_encode_tuple_packed_t_bytes_memory_ptr__to_t_bytes_memory_ptr__nonPadded_inplace_fromStack_reversed(pos , value0) -> end {\n\n        pos := abi_encode_t_bytes_memory_ptr_to_t_bytes_memory_ptr_nonPadded_inplace_fromStack(value0,  pos)\n\n        end := pos\n    }\n\n    function abi_decode_t_bytes32_fromMemory(offset, end) -> value {\n        value := mload(offset)\n        validator_revert_t_bytes32(value)\n    }\n\n    function abi_decode_tuple_t_bytes32_fromMemory(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b() }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_bytes32_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function store_literal_in_memory_4ad9578906fc98bd5f65530f868927f605d82f03ccdb6e74a7708acdd463401a(memPtr) {\n\n        mstore(add(memPtr, 0), \"Contract already exists\")\n\n    }\n\n    function abi_encode_t_stringliteral_4ad9578906fc98bd5f65530f868927f605d82f03ccdb6e74a7708acdd463401a_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 23)\n        store_literal_in_memory_4ad9578906fc98bd5f65530f868927f605d82f03ccdb6e74a7708acdd463401a(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_4ad9578906fc98bd5f65530f868927f605d82f03ccdb6e74a7708acdd463401a__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_4ad9578906fc98bd5f65530f868927f605d82f03ccdb6e74a7708acdd463401a_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_address_t_address_t_uint256__to_t_address_t_address_t_uint256__fromStack_reversed(headStart , value2, value1, value0) -> tail {\n        tail := add(headStart, 96)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_address_to_t_address_fromStack(value1,  add(headStart, 32))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value2,  add(headStart, 64))\n\n    }\n\n    function validator_revert_t_bool(value) {\n        if iszero(eq(value, cleanup_t_bool(value))) { revert(0, 0) }\n    }\n\n    function abi_decode_t_bool_fromMemory(offset, end) -> value {\n        value := mload(offset)\n        validator_revert_t_bool(value)\n    }\n\n    function abi_decode_tuple_t_bool_fromMemory(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b() }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_bool_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function store_literal_in_memory_d972a7c972449bdb9cebe63bbe70aabf7c1479cdd3def2eb6af0685384c9067a(memPtr) {\n\n        mstore(add(memPtr, 0), \"transferFrom sender to this fail\")\n\n        mstore(add(memPtr, 32), \"ed\")\n\n    }\n\n    function abi_encode_t_stringliteral_d972a7c972449bdb9cebe63bbe70aabf7c1479cdd3def2eb6af0685384c9067a_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 34)\n        store_literal_in_memory_d972a7c972449bdb9cebe63bbe70aabf7c1479cdd3def2eb6af0685384c9067a(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_tuple_t_stringliteral_d972a7c972449bdb9cebe63bbe70aabf7c1479cdd3def2eb6af0685384c9067a__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_d972a7c972449bdb9cebe63bbe70aabf7c1479cdd3def2eb6af0685384c9067a_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_address_t_uint256_t_bytes32_t_uint256__to_t_address_t_uint256_t_bytes32_t_uint256__fromStack_reversed(headStart , value3, value2, value1, value0) -> tail {\n        tail := add(headStart, 128)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value1,  add(headStart, 32))\n\n        abi_encode_t_bytes32_to_t_bytes32_fromStack(value2,  add(headStart, 64))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value3,  add(headStart, 96))\n\n    }\n\n    function store_literal_in_memory_2ff20efe697688cf49352f50e84b155aa5e8db31cae40badce7570a4e72a088a(memPtr) {\n\n        mstore(add(memPtr, 0), \"contractId does not exist\")\n\n    }\n\n    function abi_encode_t_stringliteral_2ff20efe697688cf49352f50e84b155aa5e8db31cae40badce7570a4e72a088a_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 25)\n        store_literal_in_memory_2ff20efe697688cf49352f50e84b155aa5e8db31cae40badce7570a4e72a088a(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_2ff20efe697688cf49352f50e84b155aa5e8db31cae40badce7570a4e72a088a__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_2ff20efe697688cf49352f50e84b155aa5e8db31cae40badce7570a4e72a088a_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_packed_t_bytes32__to_t_bytes32__nonPadded_inplace_fromStack_reversed(pos , value0) -> end {\n\n        abi_encode_t_bytes32_to_t_bytes32_nonPadded_inplace_fromStack(value0,  pos)\n        pos := add(pos, 32)\n\n        end := pos\n    }\n\n    function store_literal_in_memory_f69d465af376b0946a94d153fa61e1120954d7550ccad2ede50c179df9b911a9(memPtr) {\n\n        mstore(add(memPtr, 0), \"hashlock hash does not match\")\n\n    }\n\n    function abi_encode_t_stringliteral_f69d465af376b0946a94d153fa61e1120954d7550ccad2ede50c179df9b911a9_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 28)\n        store_literal_in_memory_f69d465af376b0946a94d153fa61e1120954d7550ccad2ede50c179df9b911a9(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_f69d465af376b0946a94d153fa61e1120954d7550ccad2ede50c179df9b911a9__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_f69d465af376b0946a94d153fa61e1120954d7550ccad2ede50c179df9b911a9_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function store_literal_in_memory_2996fe9bb22eca23c8f30e4ecaf6f5ab8925bbafce446942fa02db59ed0654ee(memPtr) {\n\n        mstore(add(memPtr, 0), \"withdrawable: not receiver\")\n\n    }\n\n    function abi_encode_t_stringliteral_2996fe9bb22eca23c8f30e4ecaf6f5ab8925bbafce446942fa02db59ed0654ee_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 26)\n        store_literal_in_memory_2996fe9bb22eca23c8f30e4ecaf6f5ab8925bbafce446942fa02db59ed0654ee(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_2996fe9bb22eca23c8f30e4ecaf6f5ab8925bbafce446942fa02db59ed0654ee__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_2996fe9bb22eca23c8f30e4ecaf6f5ab8925bbafce446942fa02db59ed0654ee_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function store_literal_in_memory_a7a1491df76b63b166fa25b3631de654587363606d31ccfadcdf86382f44f0da(memPtr) {\n\n        mstore(add(memPtr, 0), \"withdrawable: already withdrawn\")\n\n    }\n\n    function abi_encode_t_stringliteral_a7a1491df76b63b166fa25b3631de654587363606d31ccfadcdf86382f44f0da_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 31)\n        store_literal_in_memory_a7a1491df76b63b166fa25b3631de654587363606d31ccfadcdf86382f44f0da(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_a7a1491df76b63b166fa25b3631de654587363606d31ccfadcdf86382f44f0da__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_a7a1491df76b63b166fa25b3631de654587363606d31ccfadcdf86382f44f0da_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function store_literal_in_memory_ceff217fa5e8bee3a03dcea101fcc98a541c5586a3bc4fc23558c2a94f016376(memPtr) {\n\n        mstore(add(memPtr, 0), \"withdrawable: already refunded\")\n\n    }\n\n    function abi_encode_t_stringliteral_ceff217fa5e8bee3a03dcea101fcc98a541c5586a3bc4fc23558c2a94f016376_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 30)\n        store_literal_in_memory_ceff217fa5e8bee3a03dcea101fcc98a541c5586a3bc4fc23558c2a94f016376(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_ceff217fa5e8bee3a03dcea101fcc98a541c5586a3bc4fc23558c2a94f016376__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_ceff217fa5e8bee3a03dcea101fcc98a541c5586a3bc4fc23558c2a94f016376_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_address_t_uint256__to_t_address_t_uint256__fromStack_reversed(headStart , value1, value0) -> tail {\n        tail := add(headStart, 64)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value1,  add(headStart, 32))\n\n    }\n\n    function store_literal_in_memory_edd5bfdacb483bdf26b05ebe186281e97d155ca7c516ffe52d11b5e39d79c23a(memPtr) {\n\n        mstore(add(memPtr, 0), \"refundable: not sender\")\n\n    }\n\n    function abi_encode_t_stringliteral_edd5bfdacb483bdf26b05ebe186281e97d155ca7c516ffe52d11b5e39d79c23a_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 22)\n        store_literal_in_memory_edd5bfdacb483bdf26b05ebe186281e97d155ca7c516ffe52d11b5e39d79c23a(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_edd5bfdacb483bdf26b05ebe186281e97d155ca7c516ffe52d11b5e39d79c23a__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_edd5bfdacb483bdf26b05ebe186281e97d155ca7c516ffe52d11b5e39d79c23a_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function store_literal_in_memory_7b29f51b209a34fdcf95e658d91750e2d1af4c6890c540f7ec9b6060ebd16007(memPtr) {\n\n        mstore(add(memPtr, 0), \"refundable: already refunded\")\n\n    }\n\n    function abi_encode_t_stringliteral_7b29f51b209a34fdcf95e658d91750e2d1af4c6890c540f7ec9b6060ebd16007_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 28)\n        store_literal_in_memory_7b29f51b209a34fdcf95e658d91750e2d1af4c6890c540f7ec9b6060ebd16007(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_7b29f51b209a34fdcf95e658d91750e2d1af4c6890c540f7ec9b6060ebd16007__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_7b29f51b209a34fdcf95e658d91750e2d1af4c6890c540f7ec9b6060ebd16007_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function store_literal_in_memory_3b5b42a6105acb76ce8eb8957616623bad95a1e8514f0d2809f4b82a9c3b0fce(memPtr) {\n\n        mstore(add(memPtr, 0), \"refundable: already withdrawn\")\n\n    }\n\n    function abi_encode_t_stringliteral_3b5b42a6105acb76ce8eb8957616623bad95a1e8514f0d2809f4b82a9c3b0fce_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 29)\n        store_literal_in_memory_3b5b42a6105acb76ce8eb8957616623bad95a1e8514f0d2809f4b82a9c3b0fce(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_tuple_t_stringliteral_3b5b42a6105acb76ce8eb8957616623bad95a1e8514f0d2809f4b82a9c3b0fce__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_3b5b42a6105acb76ce8eb8957616623bad95a1e8514f0d2809f4b82a9c3b0fce_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function store_literal_in_memory_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9(memPtr) {\n\n        mstore(add(memPtr, 0), \"refundable: timelock not yet pas\")\n\n        mstore(add(memPtr, 32), \"sed\")\n\n    }\n\n    function abi_encode_t_stringliteral_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 35)\n        store_literal_in_memory_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_tuple_t_stringliteral_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_53ffb24e93d3b349bff6339724d28c73880587cacedffccbcdea5da101fc50b9_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n}\n",
            "id": 17,
            "language": "Yul",
            "name": "#utility.yul"
        }
    ],
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    "source": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nimport \"../node_modules/@openzeppelin/contracts/token/ERC20/ERC20.sol\";\n\n/**\n* @title Hashed Timelock Contracts (HTLCs) on Ethereum ERC20 tokens.\n*\n* This contract provides a way to create and keep HTLCs for ERC20 tokens.\n*\n* See HashedTimelock.sol for a contract that provides the same functions\n* for the native ETH token.\n*\n* Protocol:\n*\n*  1) newContract(receiver, hashlock, timelock, tokenContract, amount) - a\n*      sender calls this to create a new HTLC on a given token (tokenContract)\n*       for a given amount. A 32 byte contract id is returned\n*  2) withdraw(contractId, preimage) - once the receiver knows the preimage of\n*      the hashlock hash they can claim the tokens with this function\n*  3) refund() - after timelock has expired and if the receiver did not\n*      withdraw the tokens the sender / creator of the HTLC can get their tokens\n*      back with this function.\n */\ncontract HashedTimelockERC20 {\n    event HTLCERC20New(\n        bytes32 indexed contractId,\n        address indexed sender,\n        address indexed receiver,\n        address tokenContract,\n        uint256 amount,\n        bytes32 hashlock,\n        uint256 timelock\n    );\n    event HTLCERC20Withdraw(bytes32 indexed contractId);\n    event HTLCERC20Refund(bytes32 indexed contractId);\n\n    struct LockContract {\n        address sender;\n        address receiver;\n        address tokenContract;\n        uint256 amount;\n        bytes32 hashlock;\n        // locked UNTIL this time. Unit depends on consensus algorithm.\n        // PoA, PoA and IBFT all use seconds. But Quorum Raft uses nano-seconds\n        uint256 timelock;\n        bool withdrawn;\n        bool refunded;\n        bytes32 preimage;\n    }\n\n    modifier tokensTransferable(address _token, address _sender, uint256 _amount) {\n        require(_amount > 0, \"token amount must be > 0\");\n        require(\n            ERC20(_token).allowance(_sender, address(this)) >= _amount,\n            \"token allowance must be >= amount\"\n        );\n        _;\n    }\n    modifier futureTimelock(uint256 _time) {\n        // only requirement is the timelock time is after the last blocktime (now).\n        // probably want something a bit further in the future then this.\n        // but this is still a useful sanity check:\n        require(_time > block.timestamp, \"timelock time must be in the future\");\n        _;\n    }\n    modifier contractExists(bytes32 _contractId) {\n        require(haveContract(_contractId), \"contractId does not exist\");\n        _;\n    }\n    modifier hashlockMatches(bytes32 _contractId, bytes32 _x) {\n        bytes32 pre = sha256(abi.encodePacked(_x));\n         require(\n             contracts[_contractId].hashlock == sha256(abi.encodePacked(pre)),\n             \"hashlock hash does not match\"\n         );\n        _;\n    }\n    modifier withdrawable(bytes32 _contractId) {\n        require(contracts[_contractId].receiver == msg.sender, \"withdrawable: not receiver\");\n        require(contracts[_contractId].withdrawn == false, \"withdrawable: already withdrawn\");\n        // This check needs to be added if claims are allowed after timeout. That is, if the following timelock check is commented out\n        require(contracts[_contractId].refunded == false, \"withdrawable: already refunded\");\n        // if we want to disallow claim to be made after the timeout, uncomment the following line\n        // require(contracts[_contractId].timelock > now, \"withdrawable: timelock time must be in the future\");\n        _;\n    }\n    modifier refundable(bytes32 _contractId) {\n        require(contracts[_contractId].sender == msg.sender, \"refundable: not sender\");\n        require(contracts[_contractId].refunded == false, \"refundable: already refunded\");\n        require(contracts[_contractId].withdrawn == false, \"refundable: already withdrawn\");\n        require(contracts[_contractId].timelock <= block.timestamp, \"refundable: timelock not yet passed\");\n        _;\n    }\n\n    mapping (bytes32 => LockContract) contracts;\n\n    /**\n     * @dev Sender / Payer sets up a new hash time lock contract depositing the\n     * funds and providing the reciever and terms.\n     *\n     * NOTE: _receiver must first call approve() on the token contract.\n     *       See allowance check in tokensTransferable modifier.\n\n     * @param _receiver Receiver of the tokens.\n     * @param _hashlock A sha-2 sha256 hash hashlock.\n     * @param _timelock UNIX epoch seconds time that the lock expires at.\n     *                  Refunds can be made after this time.\n     * @param _tokenContract ERC20 Token contract address.\n     * @param _amount Amount of the token to lock up.\n     * @return contractId Id of the new HTLC. This is needed for subsequent\n     *                    calls.\n     */\n    function newContract(\n        address _receiver,\n        bytes32 _hashlock,\n        uint256 _timelock,\n        address _tokenContract,\n        uint256 _amount\n    )\n        external\n        tokensTransferable(_tokenContract, msg.sender, _amount)\n        futureTimelock(_timelock)\n        returns (bytes32 contractId)\n    {\n        contractId = sha256(\n            abi.encodePacked(\n                msg.sender,\n                _receiver,\n                _tokenContract,\n                _amount,\n                _hashlock,\n                _timelock\n            )\n        );\n\n        // Reject if a contract already exists with the same parameters. The\n        // sender must change one of these parameters (ideally providing a\n        // different _hashlock).\n        if (haveContract(contractId))\n            revert(\"Contract already exists\");\n\n        // This contract becomes the temporary owner of the tokens\n        if (!ERC20(_tokenContract).transferFrom(msg.sender, address(this), _amount))\n            revert(\"transferFrom sender to this failed\");\n\n        contracts[contractId] = LockContract(\n            msg.sender,\n            _receiver,\n            _tokenContract,\n            _amount,\n            _hashlock,\n            _timelock,\n            false,\n            false,\n            0x0\n        );\n\n        emit HTLCERC20New(\n            contractId,\n            msg.sender,\n            _receiver,\n            _tokenContract,\n            _amount,\n            _hashlock,\n            _timelock\n        );\n    }\n\n    /**\n    * @dev Called by the receiver once they know the preimage of the hashlock.\n    * This will transfer ownership of the locked tokens to their address.\n    *\n    * @param _contractId Id of the HTLC.\n    * @param _preimage sha256(_preimage) should equal the contract hashlock.\n    * @return bool true on success\n     */\n    function withdraw(bytes32 _contractId, bytes32 _preimage)\n        external\n        contractExists(_contractId)\n        hashlockMatches(_contractId, _preimage)\n        withdrawable(_contractId)\n        returns (bool)\n    {\n        LockContract storage c = contracts[_contractId];\n        c.preimage = _preimage;\n        c.withdrawn = true;\n        ERC20(c.tokenContract).transfer(c.receiver, c.amount);\n        emit HTLCERC20Withdraw(_contractId);\n        return true;\n    }\n\n    /**\n     * @dev Called by the sender if there was no withdraw AND the time lock has\n     * expired. This will restore ownership of the tokens to the sender.\n     *\n     * @param _contractId Id of HTLC to refund from.\n     * @return bool true on success\n     */\n    function refund(bytes32 _contractId)\n        external\n        contractExists(_contractId)\n        refundable(_contractId)\n        returns (bool)\n    {\n        LockContract storage c = contracts[_contractId];\n        c.refunded = true;\n        ERC20(c.tokenContract).transfer(c.sender, c.amount);\n        emit HTLCERC20Refund(_contractId);\n        return true;\n    }\n\n    /**\n     * @dev Get contract details.\n     * @param _contractId HTLC contract id\n     */\n    function getContract(bytes32 _contractId)\n        public\n        view\n        returns (\n            address sender,\n            address receiver,\n            address tokenContract,\n            uint256 amount,\n            bytes32 hashlock,\n            uint256 timelock,\n            bool withdrawn,\n            bool refunded,\n            bytes32 preimage\n        )\n    {\n        if (haveContract(_contractId) == false)\n            return (address(0), address(0), address(0), 0, 0, 0, false, false, 0);\n        LockContract storage c = contracts[_contractId];\n        return (\n            c.sender,\n            c.receiver,\n            c.tokenContract,\n            c.amount,\n            c.hashlock,\n            c.timelock,\n            c.withdrawn,\n            c.refunded,\n            c.preimage\n        );\n    }\n\n    /**\n     * @dev Is there a contract with id _contractId.\n     * @param _contractId Id into contracts mapping.\n     */\n    function haveContract(bytes32 _contractId)\n        internal\n        view\n        returns (bool exists)\n    {\n        exists = (contracts[_contractId].sender != address(0));\n    }\n\n}\n",
    "sourcePath": "/workspaces/ether-atomic/contracts/HashedTimelockERC20.sol",
    "ast": {
        "absolutePath": "project:/contracts/HashedTimelockERC20.sol",
        "exportedSymbols": {
            "Context": [3717],
            "ERC20": [2156],
            "HashedTimelockERC20": [993],
            "IERC20": [2234],
            "IERC20Metadata": [2259]
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                "contractKind": "contract",
                "documentation": {
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                    "nodeType": "StructuredDocumentation",
                    "src": "130:821:1",
                    "text": " @title Hashed Timelock Contracts (HTLCs) on Ethereum ERC20 tokens.\n This contract provides a way to create and keep HTLCs for ERC20 tokens.\n See HashedTimelock.sol for a contract that provides the same functions\n for the native ETH token.\n Protocol:\n  1) newContract(receiver, hashlock, timelock, tokenContract, amount) - a\n      sender calls this to create a new HTLC on a given token (tokenContract)\n       for a given amount. A 32 byte contract id is returned\n  2) withdraw(contractId, preimage) - once the receiver knows the preimage of\n      the hashlock hash they can claim the tokens with this function\n  3) refund() - after timelock has expired and if the receiver did not\n      withdraw the tokens the sender / creator of the HTLC can get their tokens\n      back with this function."
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                            "text": " @dev Sender / Payer sets up a new hash time lock contract depositing the\n funds and providing the reciever and terms.\n NOTE: _receiver must first call approve() on the token contract.\n       See allowance check in tokensTransferable modifier.\n @param _receiver Receiver of the tokens.\n @param _hashlock A sha-2 sha256 hash hashlock.\n @param _timelock UNIX epoch seconds time that the lock expires at.\n                  Refunds can be made after this time.\n @param _tokenContract ERC20 Token contract address.\n @param _amount Amount of the token to lock up.\n @return contractId Id of the new HTLC. This is needed for subsequent\n                    calls."
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                                                    "referencedDeclaration": 944,
                                                    "src": "8596:1:1",
                                                    "typeDescriptions": {
                                                        "typeIdentifier": "t_struct$_LockContract_$513_storage_ptr",
                                                        "typeString": "struct HashedTimelockERC20.LockContract storage pointer"
                                                    }
                                                },
                                                "id": 964,
                                                "isConstant": false,
                                                "isLValue": true,
                                                "isPure": false,
                                                "lValueRequested": false,
                                                "memberLocation": "8598:8:1",
                                                "memberName": "refunded",
                                                "nodeType": "MemberAccess",
                                                "referencedDeclaration": 510,
                                                "src": "8596:10:1",
                                                "typeDescriptions": {
                                                    "typeIdentifier": "t_bool",
                                                    "typeString": "bool"
                                                }
                                            },
                                            {
                                                "expression": {
                                                    "id": 965,
                                                    "name": "c",
                                                    "nodeType": "Identifier",
                                                    "overloadedDeclarations": [],
                                                    "referencedDeclaration": 944,
                                                    "src": "8620:1:1",
                                                    "typeDescriptions": {
                                                        "typeIdentifier": "t_struct$_LockContract_$513_storage_ptr",
                                                        "typeString": "struct HashedTimelockERC20.LockContract storage pointer"
                                                    }
                                                },
                                                "id": 966,
                                                "isConstant": false,
                                                "isLValue": true,
                                                "isPure": false,
                                                "lValueRequested": false,
                                                "memberLocation": "8622:8:1",
                                                "memberName": "preimage",
                                                "nodeType": "MemberAccess",
                                                "referencedDeclaration": 512,
                                                "src": "8620:10:1",
                                                "typeDescriptions": {
                                                    "typeIdentifier": "t_bytes32",
                                                    "typeString": "bytes32"
                                                }
                                            }
                                        ],
                                        "id": 967,
                                        "isConstant": false,
                                        "isInlineArray": false,
                                        "isLValue": false,
                                        "isPure": false,
                                        "lValueRequested": false,
                                        "nodeType": "TupleExpression",
                                        "src": "8412:228:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_tuple$_t_address_$_t_address_$_t_address_$_t_uint256_$_t_bytes32_$_t_uint256_$_t_bool_$_t_bool_$_t_bytes32_$",
                                            "typeString": "tuple(address,address,address,uint256,bytes32,uint256,bool,bool,bytes32)"
                                        }
                                    },
                                    "functionReturnParameters": 915,
                                    "id": 968,
                                    "nodeType": "Return",
                                    "src": "8405:235:1"
                                }
                            ]
                        },
                        "documentation": {
                            "id": 893,
                            "nodeType": "StructuredDocumentation",
                            "src": "7747:88:1",
                            "text": " @dev Get contract details.\n @param _contractId HTLC contract id"
                        },
                        "functionSelector": "e16c7d98",
                        "id": 970,
                        "implemented": true,
                        "kind": "function",
                        "modifiers": [],
                        "name": "getContract",
                        "nameLocation": "7849:11:1",
                        "nodeType": "FunctionDefinition",
                        "parameters": {
                            "id": 896,
                            "nodeType": "ParameterList",
                            "parameters": [
                                {
                                    "constant": false,
                                    "id": 895,
                                    "mutability": "mutable",
                                    "name": "_contractId",
                                    "nameLocation": "7869:11:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "7861:19:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_bytes32",
                                        "typeString": "bytes32"
                                    },
                                    "typeName": {
                                        "id": 894,
                                        "name": "bytes32",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "7861:7:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_bytes32",
                                            "typeString": "bytes32"
                                        }
                                    },
                                    "visibility": "internal"
                                }
                            ],
                            "src": "7860:21:1"
                        },
                        "returnParameters": {
                            "id": 915,
                            "nodeType": "ParameterList",
                            "parameters": [
                                {
                                    "constant": false,
                                    "id": 898,
                                    "mutability": "mutable",
                                    "name": "sender",
                                    "nameLocation": "7948:6:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "7940:14:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_address",
                                        "typeString": "address"
                                    },
                                    "typeName": {
                                        "id": 897,
                                        "name": "address",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "7940:7:1",
                                        "stateMutability": "nonpayable",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
                                        }
                                    },
                                    "visibility": "internal"
                                },
                                {
                                    "constant": false,
                                    "id": 900,
                                    "mutability": "mutable",
                                    "name": "receiver",
                                    "nameLocation": "7976:8:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "7968:16:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_address",
                                        "typeString": "address"
                                    },
                                    "typeName": {
                                        "id": 899,
                                        "name": "address",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "7968:7:1",
                                        "stateMutability": "nonpayable",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
                                        }
                                    },
                                    "visibility": "internal"
                                },
                                {
                                    "constant": false,
                                    "id": 902,
                                    "mutability": "mutable",
                                    "name": "tokenContract",
                                    "nameLocation": "8006:13:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "7998:21:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_address",
                                        "typeString": "address"
                                    },
                                    "typeName": {
                                        "id": 901,
                                        "name": "address",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "7998:7:1",
                                        "stateMutability": "nonpayable",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
                                        }
                                    },
                                    "visibility": "internal"
                                },
                                {
                                    "constant": false,
                                    "id": 904,
                                    "mutability": "mutable",
                                    "name": "amount",
                                    "nameLocation": "8041:6:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "8033:14:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_uint256",
                                        "typeString": "uint256"
                                    },
                                    "typeName": {
                                        "id": 903,
                                        "name": "uint256",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "8033:7:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_uint256",
                                            "typeString": "uint256"
                                        }
                                    },
                                    "visibility": "internal"
                                },
                                {
                                    "constant": false,
                                    "id": 906,
                                    "mutability": "mutable",
                                    "name": "hashlock",
                                    "nameLocation": "8069:8:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "8061:16:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_bytes32",
                                        "typeString": "bytes32"
                                    },
                                    "typeName": {
                                        "id": 905,
                                        "name": "bytes32",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "8061:7:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_bytes32",
                                            "typeString": "bytes32"
                                        }
                                    },
                                    "visibility": "internal"
                                },
                                {
                                    "constant": false,
                                    "id": 908,
                                    "mutability": "mutable",
                                    "name": "timelock",
                                    "nameLocation": "8099:8:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "8091:16:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_uint256",
                                        "typeString": "uint256"
                                    },
                                    "typeName": {
                                        "id": 907,
                                        "name": "uint256",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "8091:7:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_uint256",
                                            "typeString": "uint256"
                                        }
                                    },
                                    "visibility": "internal"
                                },
                                {
                                    "constant": false,
                                    "id": 910,
                                    "mutability": "mutable",
                                    "name": "withdrawn",
                                    "nameLocation": "8126:9:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "8121:14:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_bool",
                                        "typeString": "bool"
                                    },
                                    "typeName": {
                                        "id": 909,
                                        "name": "bool",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "8121:4:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_bool",
                                            "typeString": "bool"
                                        }
                                    },
                                    "visibility": "internal"
                                },
                                {
                                    "constant": false,
                                    "id": 912,
                                    "mutability": "mutable",
                                    "name": "refunded",
                                    "nameLocation": "8154:8:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "8149:13:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_bool",
                                        "typeString": "bool"
                                    },
                                    "typeName": {
                                        "id": 911,
                                        "name": "bool",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "8149:4:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_bool",
                                            "typeString": "bool"
                                        }
                                    },
                                    "visibility": "internal"
                                },
                                {
                                    "constant": false,
                                    "id": 914,
                                    "mutability": "mutable",
                                    "name": "preimage",
                                    "nameLocation": "8184:8:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 970,
                                    "src": "8176:16:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_bytes32",
                                        "typeString": "bytes32"
                                    },
                                    "typeName": {
                                        "id": 913,
                                        "name": "bytes32",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "8176:7:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_bytes32",
                                            "typeString": "bytes32"
                                        }
                                    },
                                    "visibility": "internal"
                                }
                            ],
                            "src": "7926:276:1"
                        },
                        "scope": 993,
                        "src": "7840:807:1",
                        "stateMutability": "view",
                        "virtual": false,
                        "visibility": "public"
                    },
                    {
                        "body": {
                            "id": 991,
                            "nodeType": "Block",
                            "src": "8882:71:1",
                            "statements": [
                                {
                                    "expression": {
                                        "id": 989,
                                        "isConstant": false,
                                        "isLValue": false,
                                        "isPure": false,
                                        "lValueRequested": false,
                                        "leftHandSide": {
                                            "id": 978,
                                            "name": "exists",
                                            "nodeType": "Identifier",
                                            "overloadedDeclarations": [],
                                            "referencedDeclaration": 976,
                                            "src": "8892:6:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_bool",
                                                "typeString": "bool"
                                            }
                                        },
                                        "nodeType": "Assignment",
                                        "operator": "=",
                                        "rightHandSide": {
                                            "components": [
                                                {
                                                    "commonType": {
                                                        "typeIdentifier": "t_address",
                                                        "typeString": "address"
                                                    },
                                                    "id": 987,
                                                    "isConstant": false,
                                                    "isLValue": false,
                                                    "isPure": false,
                                                    "lValueRequested": false,
                                                    "leftExpression": {
                                                        "expression": {
                                                            "baseExpression": {
                                                                "id": 979,
                                                                "name": "contracts",
                                                                "nodeType": "Identifier",
                                                                "overloadedDeclarations": [],
                                                                "referencedDeclaration": 695,
                                                                "src": "8902:9:1",
                                                                "typeDescriptions": {
                                                                    "typeIdentifier": "t_mapping$_t_bytes32_$_t_struct$_LockContract_$513_storage_$",
                                                                    "typeString": "mapping(bytes32 => struct HashedTimelockERC20.LockContract storage ref)"
                                                                }
                                                            },
                                                            "id": 981,
                                                            "indexExpression": {
                                                                "id": 980,
                                                                "name": "_contractId",
                                                                "nodeType": "Identifier",
                                                                "overloadedDeclarations": [],
                                                                "referencedDeclaration": 973,
                                                                "src": "8912:11:1",
                                                                "typeDescriptions": {
                                                                    "typeIdentifier": "t_bytes32",
                                                                    "typeString": "bytes32"
                                                                }
                                                            },
                                                            "isConstant": false,
                                                            "isLValue": true,
                                                            "isPure": false,
                                                            "lValueRequested": false,
                                                            "nodeType": "IndexAccess",
                                                            "src": "8902:22:1",
                                                            "typeDescriptions": {
                                                                "typeIdentifier": "t_struct$_LockContract_$513_storage",
                                                                "typeString": "struct HashedTimelockERC20.LockContract storage ref"
                                                            }
                                                        },
                                                        "id": 982,
                                                        "isConstant": false,
                                                        "isLValue": true,
                                                        "isPure": false,
                                                        "lValueRequested": false,
                                                        "memberLocation": "8925:6:1",
                                                        "memberName": "sender",
                                                        "nodeType": "MemberAccess",
                                                        "referencedDeclaration": 496,
                                                        "src": "8902:29:1",
                                                        "typeDescriptions": {
                                                            "typeIdentifier": "t_address",
                                                            "typeString": "address"
                                                        }
                                                    },
                                                    "nodeType": "BinaryOperation",
                                                    "operator": "!=",
                                                    "rightExpression": {
                                                        "arguments": [
                                                            {
                                                                "hexValue": "30",
                                                                "id": 985,
                                                                "isConstant": false,
                                                                "isLValue": false,
                                                                "isPure": true,
                                                                "kind": "number",
                                                                "lValueRequested": false,
                                                                "nodeType": "Literal",
                                                                "src": "8943:1:1",
                                                                "typeDescriptions": {
                                                                    "typeIdentifier": "t_rational_0_by_1",
                                                                    "typeString": "int_const 0"
                                                                },
                                                                "value": "0"
                                                            }
                                                        ],
                                                        "expression": {
                                                            "argumentTypes": [
                                                                {
                                                                    "typeIdentifier": "t_rational_0_by_1",
                                                                    "typeString": "int_const 0"
                                                                }
                                                            ],
                                                            "id": 984,
                                                            "isConstant": false,
                                                            "isLValue": false,
                                                            "isPure": true,
                                                            "lValueRequested": false,
                                                            "nodeType": "ElementaryTypeNameExpression",
                                                            "src": "8935:7:1",
                                                            "typeDescriptions": {
                                                                "typeIdentifier": "t_type$_t_address_$",
                                                                "typeString": "type(address)"
                                                            },
                                                            "typeName": {
                                                                "id": 983,
                                                                "name": "address",
                                                                "nodeType": "ElementaryTypeName",
                                                                "src": "8935:7:1",
                                                                "typeDescriptions": {}
                                                            }
                                                        },
                                                        "id": 986,
                                                        "isConstant": false,
                                                        "isLValue": false,
                                                        "isPure": true,
                                                        "kind": "typeConversion",
                                                        "lValueRequested": false,
                                                        "nameLocations": [],
                                                        "names": [],
                                                        "nodeType": "FunctionCall",
                                                        "src": "8935:10:1",
                                                        "tryCall": false,
                                                        "typeDescriptions": {
                                                            "typeIdentifier": "t_address",
                                                            "typeString": "address"
                                                        }
                                                    },
                                                    "src": "8902:43:1",
                                                    "typeDescriptions": {
                                                        "typeIdentifier": "t_bool",
                                                        "typeString": "bool"
                                                    }
                                                }
                                            ],
                                            "id": 988,
                                            "isConstant": false,
                                            "isInlineArray": false,
                                            "isLValue": false,
                                            "isPure": false,
                                            "lValueRequested": false,
                                            "nodeType": "TupleExpression",
                                            "src": "8901:45:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_bool",
                                                "typeString": "bool"
                                            }
                                        },
                                        "src": "8892:54:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_bool",
                                            "typeString": "bool"
                                        }
                                    },
                                    "id": 990,
                                    "nodeType": "ExpressionStatement",
                                    "src": "8892:54:1"
                                }
                            ]
                        },
                        "documentation": {
                            "id": 971,
                            "nodeType": "StructuredDocumentation",
                            "src": "8653:117:1",
                            "text": " @dev Is there a contract with id _contractId.\n @param _contractId Id into contracts mapping."
                        },
                        "id": 992,
                        "implemented": true,
                        "kind": "function",
                        "modifiers": [],
                        "name": "haveContract",
                        "nameLocation": "8784:12:1",
                        "nodeType": "FunctionDefinition",
                        "parameters": {
                            "id": 974,
                            "nodeType": "ParameterList",
                            "parameters": [
                                {
                                    "constant": false,
                                    "id": 973,
                                    "mutability": "mutable",
                                    "name": "_contractId",
                                    "nameLocation": "8805:11:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 992,
                                    "src": "8797:19:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_bytes32",
                                        "typeString": "bytes32"
                                    },
                                    "typeName": {
                                        "id": 972,
                                        "name": "bytes32",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "8797:7:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_bytes32",
                                            "typeString": "bytes32"
                                        }
                                    },
                                    "visibility": "internal"
                                }
                            ],
                            "src": "8796:21:1"
                        },
                        "returnParameters": {
                            "id": 977,
                            "nodeType": "ParameterList",
                            "parameters": [
                                {
                                    "constant": false,
                                    "id": 976,
                                    "mutability": "mutable",
                                    "name": "exists",
                                    "nameLocation": "8870:6:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 992,
                                    "src": "8865:11:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_bool",
                                        "typeString": "bool"
                                    },
                                    "typeName": {
                                        "id": 975,
                                        "name": "bool",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "8865:4:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_bool",
                                            "typeString": "bool"
                                        }
                                    },
                                    "visibility": "internal"
                                }
                            ],
                            "src": "8864:13:1"
                        },
                        "scope": 993,
                        "src": "8775:178:1",
                        "stateMutability": "view",
                        "virtual": false,
                        "visibility": "internal"
                    }
                ],
                "scope": 994,
                "src": "952:8004:1",
                "usedErrors": []
            }
        ],
        "src": "32:8925:1"
    },
    "compiler": {
        "name": "solc",
        "version": "0.8.17+commit.8df45f5f.Emscripten.clang"
    },
    "networks": {
        "11155111": {
            "events": {},
            "links": {},
            "address": "0x31911e7a4D94eFA06493d206Ed4e7Ab305e1aeA0",
            "transactionHash": "0x8e2480bfe6939d61032a94709a9213e54480dd696bb466a1047c24b7427117b2"
        }
    },
    "schemaVersion": "3.4.11",
    "updatedAt": "2022-12-15T00:37:26.087Z",
    "networkType": "ethereum",
    "devdoc": {
        "kind": "dev",
        "methods": {
            "getContract(bytes32)": {
                "details": "Get contract details.",
                "params": {
                    "_contractId": "HTLC contract id"
                }
            },
            "newContract(address,bytes32,uint256,address,uint256)": {
                "details": "Sender / Payer sets up a new hash time lock contract depositing the funds and providing the reciever and terms. NOTE: _receiver must first call approve() on the token contract.       See allowance check in tokensTransferable modifier.",
                "params": {
                    "_amount": "Amount of the token to lock up.",
                    "_hashlock": "A sha-2 sha256 hash hashlock.",
                    "_receiver": "Receiver of the tokens.",
                    "_timelock": "UNIX epoch seconds time that the lock expires at.                  Refunds can be made after this time.",
                    "_tokenContract": "ERC20 Token contract address."
                },
                "returns": {
                    "contractId": "Id of the new HTLC. This is needed for subsequent                    calls."
                }
            },
            "refund(bytes32)": {
                "details": "Called by the sender if there was no withdraw AND the time lock has expired. This will restore ownership of the tokens to the sender.",
                "params": {
                    "_contractId": "Id of HTLC to refund from."
                },
                "returns": {
                    "_0": "bool true on success"
                }
            },
            "withdraw(bytes32,bytes32)": {
                "details": "Called by the receiver once they know the preimage of the hashlock. This will transfer ownership of the locked tokens to their address.",
                "params": {
                    "_contractId": "Id of the HTLC.",
                    "_preimage": "sha256(_preimage) should equal the contract hashlock."
                },
                "returns": {
                    "_0": "bool true on success"
                }
            }
        },
        "title": "Hashed Timelock Contracts (HTLCs) on Ethereum ERC20 tokens. This contract provides a way to create and keep HTLCs for ERC20 tokens. See HashedTimelock.sol for a contract that provides the same functions for the native ETH token. Protocol:  1) newContract(receiver, hashlock, timelock, tokenContract, amount) - a      sender calls this to create a new HTLC on a given token (tokenContract)       for a given amount. A 32 byte contract id is returned  2) withdraw(contractId, preimage) - once the receiver knows the preimage of      the hashlock hash they can claim the tokens with this function  3) refund() - after timelock has expired and if the receiver did not      withdraw the tokens the sender / creator of the HTLC can get their tokens      back with this function.",
        "version": 1
    },
    "userdoc": {
        "kind": "user",
        "methods": {},
        "version": 1
    }
}
