{ "contractName": "PairStableSwap", "abi": [ { "stateMutability": "payable", "type": "receive" }, { "inputs": [ { "internalType": "address", "name": "input", "type": "address" }, { "internalType": "address", "name": "output", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "swap", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "input", "type": "address" }, { "internalType": "address", "name": "", "type": "address" }, { "internalType": "uint256", "name": "amountIn", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "getOutputAmount", "outputs": [ { "internalType": "uint256", "name": "amountOut", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.8+commit.0bbfe453\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"input\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"getOutputAmount\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"input\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"output\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"swap\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"project:/contracts/swappa/PairStableSwap.sol\":\"PairStableSwap\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":10000},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/GSN/Context.sol\":{\"keccak256\":\"0xdb26cbf4d028490f49831a7865c2fe1b28db44b535ca8d343785a3b768aae183\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://840b14ce0315c47d49ba328f1f9fa7654ded1c9e1559e6c5e777a7b2dc28bf0a\",\"dweb:/ipfs/QmTLLabn4wcfGro9LEmUXUN2nwKqZSotXMvjDCLXEnLtZP\"]},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x9a9cf02622cd7a64261b10534fc3260449da25c98c9e96d1b4ae8110a20e5806\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://2df142592d1dc267d9549049ee3317fa190d2f87eaa565f86ab05ec83f7ab8f5\",\"dweb:/ipfs/QmSkJtcfWo7c42KnL5hho6GFxK6HRNV91XABx1P7xDtfLV\"]},\"@openzeppelin/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0x91e0bd6a6762d2a1700dab0849de8422611355100576c4beef1e80d82a4104a0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://73bbd77af0a8b07255d2ffa20728bcf13b116007c9ddac5d37046cfabb0e1e02\",\"dweb:/ipfs/QmRgZgWCWCSMTTaok6o4QvWA6MgB4goS8qpb3sN7bAvaZ9\"]},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x5c26b39d26f7ed489e555d955dcd3e01872972e71fdd1528e93ec164e4f23385\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://efdc632af6960cf865dbc113665ea1f5b90eab75cc40ec062b2f6ae6da582017\",\"dweb:/ipfs/QmfAZFDuG62vxmAN9DnXApv7e7PMzPqi4RkqqZHLMSQiY5\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0xf5fa8cbdffa5ef8be49b246b5628facc30b71707e78a45d80d93b64eff3fe390\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://774e78a9ff32792cc95db4d2ceaf3a7965bb7f0bea5e6cb7cff182b450d44b37\",\"dweb:/ipfs/QmRRMC4uj7eAcLW7chynA3sNEYULMFazdLwQHKHQPyzAbA\"]},\"project:/contracts/interfaces/stableswap/ISwap.sol\":{\"keccak256\":\"0xe089cc8908b7efc3c24c016489bc93bc9b44cf2cf7ada8c784961512957c46e2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://a2a71ae22bf6bfe64e5a09ee21e261f53019214f2280418b83e1b00331cc1eaa\",\"dweb:/ipfs/QmUCkp9DDtCtJzA8AJwrdAkdx6e9TaBGsBmeFGZKZQpTY9\"]},\"project:/contracts/swappa/ISwappaPairV1.sol\":{\"keccak256\":\"0x3ad68981bda91ed83c5e9ee8617f08bb5e208208477fb755cc77077f127010ab\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8e4390b1bebc39f58bff34b9099a646ead67cef27b722ef61548487251cca719\",\"dweb:/ipfs/QmRWEuYyjHaS957VKWtTfDpzfqkXb2bvEsS33meAC76ZuU\"]},\"project:/contracts/swappa/PairStableSwap.sol\":{\"keccak256\":\"0x9b9ff6865d346eb65e49e7b0b3c26072797f661b276bd03b4c0d9f46ee74bb8e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://f16eaf418f4a7ebd175560042d433a120f686cc94a0ac56fea92103319c354bd\",\"dweb:/ipfs/QmbneN75SDqeRMeSeE6GfnDtjDTKAbJybByX2nbzDbBWFk\"]}},\"version\":1}", "bytecode": "0x608060405234801561001057600080fd5b506109d8806100206000396000f3fe60806040526004361061002d5760003560e01c806332ef8314146100395780637eace892146100e657610034565b3661003457005b600080fd5b34801561004557600080fd5b506100e46004803603608081101561005c57600080fd5b73ffffffffffffffffffffffffffffffffffffffff823581169260208101358216926040820135909216918101906080810160608201356401000000008111156100a557600080fd5b8201836020820111156100b757600080fd5b803590602001918460018302840111640100000000831117156100d957600080fd5b5090925090506101a2565b005b3480156100f257600080fd5b506101906004803603608081101561010957600080fd5b73ffffffffffffffffffffffffffffffffffffffff82358116926020810135909116916040820135919081019060808101606082013564010000000081111561015157600080fd5b82018360208201111561016357600080fd5b8035906020019184600183028401116401000000008311171561018557600080fd5b5090925090506106f6565b60408051918252519081900360200190f35b60006101e383838080601f01602080910402602001604051908101604052809392919081815260200183838082843760009201919091525061092892505050565b604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905191925060009173ffffffffffffffffffffffffffffffffffffffff8916916370a08231916024808301926020929190829003018186803b15801561025557600080fd5b505afa158015610269573d6000803e3d6000fd5b505050506040513d602081101561027f57600080fd5b5051604080517f095ea7b300000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff85811660048301526024820184905291519293509089169163095ea7b3916044808201926020929091908290030181600087803b1580156102fd57600080fd5b505af1158015610311573d6000803e3d6000fd5b505050506040513d602081101561032757600080fd5b505161039457604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601f60248201527f50616972537461626c65537761703a20617070726f7665206661696c65642100604482015290519081900360640190fd5b600082905060008873ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff166382b8660060006040518263ffffffff1660e01b8152600401808260ff16815260200191505060206040518083038186803b15801561040757600080fd5b505afa15801561041b573d6000803e3d6000fd5b505050506040513d602081101561043157600080fd5b505173ffffffffffffffffffffffffffffffffffffffff16141561051057604080517f91695586000000000000000000000000000000000000000000000000000000008152600060048201819052600160248301526044820186905260648201819052426084830152915173ffffffffffffffffffffffffffffffffffffffff85169263916955869260a480820193602093909283900390910190829087803b1580156104dd57600080fd5b505af11580156104f1573d6000803e3d6000fd5b505050506040513d602081101561050757600080fd5b505190506105cd565b604080517f91695586000000000000000000000000000000000000000000000000000000008152600160048201526000602482018190526044820186905260648201819052426084830152915173ffffffffffffffffffffffffffffffffffffffff85169263916955869260a480820193602093909283900390910190829087803b15801561059e57600080fd5b505af11580156105b2573d6000803e3d6000fd5b505050506040513d60208110156105c857600080fd5b505190505b8773ffffffffffffffffffffffffffffffffffffffff1663a9059cbb88836040518363ffffffff1660e01b8152600401808373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200182815260200192505050602060405180830381600087803b15801561065457600080fd5b505af1158015610668573d6000803e3d6000fd5b505050506040513d602081101561067e57600080fd5b50516106eb57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f50616972537461626c65537761703a207472616e73666572206661696c656421604482015290519081900360640190fd5b505050505050505050565b60008061073884848080601f01602080910402602001604051908101604052809392919081815260200183838082843760009201919091525061092892505050565b905060008190508773ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff166382b8660060006040518263ffffffff1660e01b8152600401808260ff16815260200191505060206040518083038186803b1580156107ab57600080fd5b505afa1580156107bf573d6000803e3d6000fd5b505050506040513d60208110156107d557600080fd5b505173ffffffffffffffffffffffffffffffffffffffff1614156108a457604080517fa95b089f000000000000000000000000000000000000000000000000000000008152600060048201526001602482015260448101889052905173ffffffffffffffffffffffffffffffffffffffff83169163a95b089f916064808301926020929190829003018186803b15801561086e57600080fd5b505afa158015610882573d6000803e3d6000fd5b505050506040513d602081101561089857600080fd5b5051925061091f915050565b604080517fa95b089f000000000000000000000000000000000000000000000000000000008152600160048201526000602482015260448101889052905173ffffffffffffffffffffffffffffffffffffffff83169163a95b089f916064808301926020929190829003018186803b15801561086e57600080fd5b95945050505050565b6000815160141461099a57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601d60248201527f50616972537461626c65537761703a20696e76616c6964206461746121000000604482015290519081900360640190fd5b50601401519056fea26469706673582212208db27c03d29ad926d05e45461e43221d75f28811b274c8299de92ef1a94fc9f864736f6c63430006080033", "deployedBytecode": "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", "immutableReferences": {}, "sourceMap": "240:1521:55:-:0;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;240:1521:55;;;;;;;", "deployedSourceMap": "240:1521:55:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;12:1:-1;9;2:12;311:744:55;;5:9:-1;2:2;;;27:1;24;17:12;2:2;311:744:55;;;;;;15:3:-1;10;7:12;4:2;;;32:1;29;22:12;4:2;311:744:55;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27:11:-1;11:28;;8:2;;;52:1;49;42:12;8:2;311:744:55;;41:9:-1;34:4;18:14;14:25;11:40;8:2;;;64:1;61;54:12;8:2;311:744:55;;;;;;100:9:-1;95:1;81:12;77:20;67:8;63:35;60:50;39:11;25:12;22:29;11:107;8:2;;;131:1;128;121:12;8:2;-1:-1;311:744:55;;-1:-1:-1;311:744:55;-1:-1:-1;311:744:55;:::i;:::-;;1274:453;;5:9:-1;2:2;;;27:1;24;17:12;2:2;1274:453:55;;;;;;15:3:-1;10;7:12;4:2;;;32:1;29;22:12;4:2;1274:453:55;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27:11:-1;11:28;;8:2;;;52:1;49;42:12;8:2;1274:453:55;;41:9:-1;34:4;18:14;14:25;11:40;8:2;;;64:1;61;54:12;8:2;1274:453:55;;;;;;100:9:-1;95:1;81:12;77:20;67:8;63:35;60:50;39:11;25:12;22:29;11:107;8:2;;;131:1;128;121:12;8:2;-1:-1;1274:453:55;;-1:-1:-1;1274:453:55;-1:-1:-1;1274:453:55;:::i;:::-;;;;;;;;;;;;;;;;311:744;422:20;445:15;455:4;;445:15;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;30:3:-1;22:6;14;1:33;99:1;81:16;;74:27;;;;-1:-1;445:9:55;;-1:-1:-1;;;445:15:55:i;:::-;483:37;;;;;;514:4;483:37;;;;;;422:38;;-1:-1:-1;464:16:55;;483:22;;;;;;:37;;;;;;;;;;;;;;:22;:37;;;2:2:-1;;;;27:1;24;17:12;2:2;483:37:55;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;483:37:55;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;483:37:55;536:47;;;;;;:20;:47;;;;;;;;;;;;;;;483:37;;-1:-1:-1;536:20:55;;;;;;:47;;;;;483:37;;536:47;;;;;;;;-1:-1:-1;536:20:55;:47;;;2:2:-1;;;;27:1;24;17:12;2:2;536:47:55;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;536:47:55;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;536:47:55;524:98;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;626:14;649:12;626:36;;666:17;789:5;765:29;;:8;:17;;;783:1;765:20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;765:20:55;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;765:20:55;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;765:20:55;:29;;;761:195;;;816:52;;;;;;830:1;816:52;;;;;;833:1;816:52;;;;;;;;;;;;;;;;852:15;816:52;;;;;;:13;;;;;;:52;;;;;;;;;;;;;;;;;;:13;:52;;;2:2:-1;;;;27:1;24;17:12;2:2;816:52:55;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;816:52:55;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;816:52:55;;-1:-1:-1;761:195:55;;;899:52;;;;;;913:1;899:52;;;;916:1;899:52;;;;;;;;;;;;;;;;;;935:15;899:52;;;;;;:13;;;;;;:52;;;;;;;;;;;;;;;;;;:13;:52;;;2:2:-1;;;;27:1;24;17:12;2:2;899:52:55;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;899:52:55;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;899:52:55;;-1:-1:-1;761:195:55;977:6;971:22;;;994:2;998:12;971:40;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;971:40:55;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;971:40:55;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;971:40:55;959:92;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;311:744;;;;;;;;;:::o;1274:453::-;1397:14;1417:20;1440:15;1450:4;;1440:15;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;30:3:-1;22:6;14;1:33;99:1;81:16;;74:27;;;;-1:-1;1440:9:55;;-1:-1:-1;;;1440:15:55:i;:::-;1417:38;;1459:14;1482:12;1459:36;;1601:5;1577:29;;:8;:17;;;1595:1;1577:20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;1577:20:55;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;1577:20:55;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;1577:20:55;:29;;;1573:151;;;1620:38;;;;;;1643:1;1620:38;;;;1646:1;1620:38;;;;;;;;;;;;:22;;;;;;:38;;;;;;;;;;;;;;:22;:38;;;2:2:-1;;;;27:1;24;17:12;2:2;1620:38:55;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;1620:38:55;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;1620:38:55;;-1:-1:-1;1613:45:55;;-1:-1:-1;;1613:45:55;1573:151;1681:38;;;;;;1704:1;1681:38;;;;1707:1;1681:38;;;;;;;;;;;;:22;;;;;;:38;;;;;;;;;;;;;;:22;:38;;;2:2:-1;;;;27:1;24;17:12;1274:453:55;;;;;;;;:::o;1058:213::-;1118:20;1152:4;:11;1167:2;1152:17;1144:59;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1258:2:55;1248:13;1242:20;;1218:50::o", "source": "// SPDX-License-Identifier: MIT\npragma solidity 0.6.8;\n\nimport \"@openzeppelin/contracts/math/SafeMath.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"../interfaces/stableswap/ISwap.sol\";\nimport \"./ISwappaPairV1.sol\";\n\ncontract PairStableSwap is ISwappaPairV1 {\n\tusing SafeMath for uint;\n\n\tfunction swap(\n\t\taddress input,\n\t\taddress output,\n\t\taddress to,\n\t\tbytes calldata data\n\t) external override {\n\t\taddress swapPoolAddr = parseData(data);\n\t\tuint inputAmount = ERC20(input).balanceOf(address(this));\n\t\trequire(\n\t\t\tERC20(input).approve(swapPoolAddr, inputAmount),\n\t\t\t\"PairStableSwap: approve failed!\");\n\t\tISwap swapPool = ISwap(swapPoolAddr);\n\t\tuint outputAmount;\n\t\t// TODO(zviadm): This will need to change to support multi-token pools.\n\t\tif (swapPool.getToken(0) == input) {\n\t\t\toutputAmount = swapPool.swap(0, 1, inputAmount, 0, block.timestamp);\n\t\t} else {\n\t\t\toutputAmount = swapPool.swap(1, 0, inputAmount, 0, block.timestamp);\n\t\t}\n\t\trequire(\n\t\t\tERC20(output).transfer(to, outputAmount),\n\t\t\t\"PairStableSwap: transfer failed!\");\n\t}\n\n\tfunction parseData(bytes memory data) private pure returns (address swapPoolAddr) {\n\t\trequire(data.length == 20, \"PairStableSwap: invalid data!\");\n assembly {\n swapPoolAddr := mload(add(data, 20))\n }\n\t}\n\n\tfunction getOutputAmount(\n\t\taddress input,\n\t\taddress,\n\t\tuint amountIn,\n\t\tbytes calldata data\n\t) external override returns (uint amountOut) {\n\t\taddress swapPoolAddr = parseData(data);\n\t\tISwap swapPool = ISwap(swapPoolAddr);\n\t\t// TODO(zviadm): This will need to change to support multi-token pools.\n\t\tif (swapPool.getToken(0) == input) {\n\t\t\treturn swapPool.calculateSwap(0, 1, amountIn);\n\t\t} else {\n\t\t\treturn swapPool.calculateSwap(1, 0, amountIn);\n\t\t}\n\t}\n\n\treceive() external payable {}\n}", "sourcePath": "/home/thezviad_gmail_com/src/swappa/contracts/swappa/PairStableSwap.sol", "ast": { "absolutePath": "project:/contracts/swappa/PairStableSwap.sol", "exportedSymbols": { "PairStableSwap": [ 6907 ] }, "id": 6908, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 6731, "literals": [ "solidity", "0.6", ".8" ], "nodeType": "PragmaDirective", "src": "32:22:55" }, { "absolutePath": "@openzeppelin/contracts/math/SafeMath.sol", "file": "@openzeppelin/contracts/math/SafeMath.sol", "id": 6732, "nodeType": "ImportDirective", "scope": 6908, "sourceUnit": 219, "src": "56:51:55", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/token/ERC20/ERC20.sol", "file": "@openzeppelin/contracts/token/ERC20/ERC20.sol", "id": 6733, "nodeType": "ImportDirective", "scope": 6908, "sourceUnit": 726, "src": "108:55:55", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "project:/contracts/interfaces/stableswap/ISwap.sol", "file": "../interfaces/stableswap/ISwap.sol", "id": 6734, "nodeType": "ImportDirective", "scope": 6908, "sourceUnit": 1867, "src": "164:44:55", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "project:/contracts/swappa/ISwappaPairV1.sol", "file": "./ISwappaPairV1.sol", "id": 6735, "nodeType": "ImportDirective", "scope": 6908, "sourceUnit": 5326, "src": "209:29:55", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 6736, "name": "ISwappaPairV1", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5325, "src": "267:13:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwappaPairV1_$5325", "typeString": "contract ISwappaPairV1" } }, "id": 6737, "nodeType": "InheritanceSpecifier", "src": "267:13:55" } ], "contractDependencies": [ 5325 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 6907, "linearizedBaseContracts": [ 6907, 5325 ], "name": "PairStableSwap", "nodeType": "ContractDefinition", "nodes": [ { "id": 6740, "libraryName": { "contractScope": null, "id": 6738, "name": "SafeMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 218, "src": "290:8:55", "typeDescriptions": { "typeIdentifier": "t_contract$_SafeMath_$218", "typeString": "library SafeMath" } }, "nodeType": "UsingForDirective", "src": "284:24:55", "typeName": { "id": 6739, "name": "uint", "nodeType": "ElementaryTypeName", "src": "303:4:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "baseFunctions": [ 5311 ], "body": { "id": 6834, "nodeType": "Block", "src": "418:637:55", "statements": [ { "assignments": [ 6753 ], "declarations": [ { "constant": false, "id": 6753, "mutability": "mutable", "name": "swapPoolAddr", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6834, "src": "422:20:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6752, "name": "address", "nodeType": "ElementaryTypeName", "src": "422:7:55", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 6757, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6755, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6748, "src": "455:4:55", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "id": 6754, "name": "parseData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6852, "src": "445:9:55", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$returns$_t_address_$", "typeString": "function (bytes memory) pure returns (address)" } }, "id": 6756, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "445:15:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "422:38:55" }, { "assignments": [ 6759 ], "declarations": [ { "constant": false, "id": 6759, "mutability": "mutable", "name": "inputAmount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6834, "src": "464:16:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6758, "name": "uint", "nodeType": "ElementaryTypeName", "src": "464:4:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6769, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6766, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "514:4:55", "typeDescriptions": { "typeIdentifier": "t_contract$_PairStableSwap_$6907", "typeString": "contract PairStableSwap" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_PairStableSwap_$6907", "typeString": "contract PairStableSwap" } ], "id": 6765, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "506:7:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 6764, "name": "address", "nodeType": "ElementaryTypeName", "src": "506:7:55", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 6767, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "506:13:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6761, "name": "input", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6742, "src": "489:5:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6760, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "483:5:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 6762, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "483:12:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 6763, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 325, "src": "483:22:55", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 6768, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "483:37:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "464:56:55" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6775, "name": "swapPoolAddr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6753, "src": "557:12:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6776, "name": "inputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6759, "src": "571:11:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6772, "name": "input", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6742, "src": "542:5:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6771, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "536:5:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 6773, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "536:12:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 6774, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "approve", "nodeType": "MemberAccess", "referencedDeclaration": 385, "src": "536:20:55", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 6777, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "536:47:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "50616972537461626c65537761703a20617070726f7665206661696c656421", "id": 6778, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "588:33:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_83d0a4b192727c7cd8a2654fe5caba12e612139a0786a1e791338f41d2d10083", "typeString": "literal_string \"PairStableSwap: approve failed!\"" }, "value": "PairStableSwap: approve failed!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_83d0a4b192727c7cd8a2654fe5caba12e612139a0786a1e791338f41d2d10083", "typeString": "literal_string \"PairStableSwap: approve failed!\"" } ], "id": 6770, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "524:7:55", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6779, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "524:98:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6780, "nodeType": "ExpressionStatement", "src": "524:98:55" }, { "assignments": [ 6782 ], "declarations": [ { "constant": false, "id": 6782, "mutability": "mutable", "name": "swapPool", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6834, "src": "626:14:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" }, "typeName": { "contractScope": null, "id": 6781, "name": "ISwap", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1866, "src": "626:5:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "value": null, "visibility": "internal" } ], "id": 6786, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6784, "name": "swapPoolAddr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6753, "src": "649:12:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6783, "name": "ISwap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1866, "src": "643:5:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ISwap_$1866_$", "typeString": "type(contract ISwap)" } }, "id": 6785, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "643:19:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "nodeType": "VariableDeclarationStatement", "src": "626:36:55" }, { "assignments": [ 6788 ], "declarations": [ { "constant": false, "id": 6788, "mutability": "mutable", "name": "outputAmount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6834, "src": "666:17:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6787, "name": "uint", "nodeType": "ElementaryTypeName", "src": "666:4:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6789, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "666:17:55" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 6795, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6792, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "783:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "expression": { "argumentTypes": null, "id": 6790, "name": "swapPool", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6782, "src": "765:8:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "id": 6791, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "getToken", "nodeType": "MemberAccess", "referencedDeclaration": 1823, "src": "765:17:55", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint8_$returns$_t_address_$", "typeString": "function (uint8) view external returns (address)" } }, "id": 6793, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "765:20:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 6794, "name": "input", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6742, "src": "789:5:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "765:29:55", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 6821, "nodeType": "Block", "src": "879:77:55", "statements": [ { "expression": { "argumentTypes": null, "id": 6819, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6809, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6788, "src": "884:12:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "31", "id": 6812, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "913:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, { "argumentTypes": null, "hexValue": "30", "id": 6813, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "916:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "id": 6814, "name": "inputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6759, "src": "919:11:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "hexValue": "30", "id": 6815, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "932:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6816, "name": "block", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -4, "src": "935:5:55", "typeDescriptions": { "typeIdentifier": "t_magic_block", "typeString": "block" } }, "id": 6817, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "timestamp", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "935:15:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6810, "name": "swapPool", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6782, "src": "899:8:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "id": 6811, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "swap", "nodeType": "MemberAccess", "referencedDeclaration": 1854, "src": "899:13:55", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_uint8_$_t_uint8_$_t_uint256_$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint8,uint8,uint256,uint256,uint256) external returns (uint256)" } }, "id": 6818, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "899:52:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "884:67:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 6820, "nodeType": "ExpressionStatement", "src": "884:67:55" } ] }, "id": 6822, "nodeType": "IfStatement", "src": "761:195:55", "trueBody": { "id": 6808, "nodeType": "Block", "src": "796:77:55", "statements": [ { "expression": { "argumentTypes": null, "id": 6806, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6796, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6788, "src": "801:12:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6799, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "830:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "hexValue": "31", "id": 6800, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "833:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, { "argumentTypes": null, "id": 6801, "name": "inputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6759, "src": "836:11:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "hexValue": "30", "id": 6802, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "849:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6803, "name": "block", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -4, "src": "852:5:55", "typeDescriptions": { "typeIdentifier": "t_magic_block", "typeString": "block" } }, "id": 6804, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "timestamp", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "852:15:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6797, "name": "swapPool", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6782, "src": "816:8:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "id": 6798, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "swap", "nodeType": "MemberAccess", "referencedDeclaration": 1854, "src": "816:13:55", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_uint8_$_t_uint8_$_t_uint256_$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint8,uint8,uint256,uint256,uint256) external returns (uint256)" } }, "id": 6805, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "816:52:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "801:67:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 6807, "nodeType": "ExpressionStatement", "src": "801:67:55" } ] } }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6828, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6746, "src": "994:2:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6829, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6788, "src": "998:12:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6825, "name": "output", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6744, "src": "977:6:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6824, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "971:5:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 6826, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "971:13:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 6827, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transfer", "nodeType": "MemberAccess", "referencedDeclaration": 346, "src": "971:22:55", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 6830, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "971:40:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "50616972537461626c65537761703a207472616e73666572206661696c656421", "id": 6831, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1016:34:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_bbf884f1b53613ab7704fce2d878c8190eccdb34157806e067029f52b847ffb1", "typeString": "literal_string \"PairStableSwap: transfer failed!\"" }, "value": "PairStableSwap: transfer failed!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_bbf884f1b53613ab7704fce2d878c8190eccdb34157806e067029f52b847ffb1", "typeString": "literal_string \"PairStableSwap: transfer failed!\"" } ], "id": 6823, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "959:7:55", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6832, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "959:92:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6833, "nodeType": "ExpressionStatement", "src": "959:92:55" } ] }, "documentation": null, "functionSelector": "32ef8314", "id": 6835, "implemented": true, "kind": "function", "modifiers": [], "name": "swap", "nodeType": "FunctionDefinition", "overrides": { "id": 6750, "nodeType": "OverrideSpecifier", "overrides": [], "src": "409:8:55" }, "parameters": { "id": 6749, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6742, "mutability": "mutable", "name": "input", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6835, "src": "328:13:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6741, "name": "address", "nodeType": "ElementaryTypeName", "src": "328:7:55", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6744, "mutability": "mutable", "name": "output", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6835, "src": "345:14:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6743, "name": "address", "nodeType": "ElementaryTypeName", "src": "345:7:55", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6746, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6835, "src": "363:10:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6745, "name": "address", "nodeType": "ElementaryTypeName", "src": "363:7:55", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6748, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6835, "src": "377:19:55", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 6747, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "377:5:55", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "324:75:55" }, "returnParameters": { "id": 6751, "nodeType": "ParameterList", "parameters": [], "src": "418:0:55" }, "scope": 6907, "src": "311:744:55", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "body": { "id": 6851, "nodeType": "Block", "src": "1140:131:55", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6846, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6843, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6837, "src": "1152:4:55", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 6844, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1152:11:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "3230", "id": 6845, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1167:2:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" }, "value": "20" }, "src": "1152:17:55", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "50616972537461626c65537761703a20696e76616c6964206461746121", "id": 6847, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1171:31:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_e2b17505fb5afe3686b15f26be3ba2e92812891745d41a0cf8ca23d70b235c5c", "typeString": "literal_string \"PairStableSwap: invalid data!\"" }, "value": "PairStableSwap: invalid data!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_e2b17505fb5afe3686b15f26be3ba2e92812891745d41a0cf8ca23d70b235c5c", "typeString": "literal_string \"PairStableSwap: invalid data!\"" } ], "id": 6842, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1144:7:55", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6848, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1144:59:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6849, "nodeType": "ExpressionStatement", "src": "1144:59:55" }, { "AST": { "nodeType": "YulBlock", "src": "1218:50:55", "statements": [ { "nodeType": "YulAssignment", "src": "1226:36:55", "value": { "arguments": [ { "arguments": [ { "name": "data", "nodeType": "YulIdentifier", "src": "1252:4:55" }, { "kind": "number", "nodeType": "YulLiteral", "src": "1258:2:55", "type": "", "value": "20" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "1248:3:55" }, "nodeType": "YulFunctionCall", "src": "1248:13:55" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "1242:5:55" }, "nodeType": "YulFunctionCall", "src": "1242:20:55" }, "variableNames": [ { "name": "swapPoolAddr", "nodeType": "YulIdentifier", "src": "1226:12:55" } ] } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 6837, "isOffset": false, "isSlot": false, "src": "1252:4:55", "valueSize": 1 }, { "declaration": 6840, "isOffset": false, "isSlot": false, "src": "1226:12:55", "valueSize": 1 } ], "id": 6850, "nodeType": "InlineAssembly", "src": "1209:59:55" } ] }, "documentation": null, "id": 6852, "implemented": true, "kind": "function", "modifiers": [], "name": "parseData", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 6838, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6837, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6852, "src": "1077:17:55", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6836, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1077:5:55", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "1076:19:55" }, "returnParameters": { "id": 6841, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6840, "mutability": "mutable", "name": "swapPoolAddr", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6852, "src": "1118:20:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6839, "name": "address", "nodeType": "ElementaryTypeName", "src": "1118:7:55", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1117:22:55" }, "scope": 6907, "src": "1058:213:55", "stateMutability": "pure", "virtual": false, "visibility": "private" }, { "baseFunctions": [ 5324 ], "body": { "id": 6901, "nodeType": "Block", "src": "1413:314:55", "statements": [ { "assignments": [ 6867 ], "declarations": [ { "constant": false, "id": 6867, "mutability": "mutable", "name": "swapPoolAddr", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6901, "src": "1417:20:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6866, "name": "address", "nodeType": "ElementaryTypeName", "src": "1417:7:55", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 6871, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6869, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6860, "src": "1450:4:55", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "id": 6868, "name": "parseData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6852, "src": "1440:9:55", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$returns$_t_address_$", "typeString": "function (bytes memory) pure returns (address)" } }, "id": 6870, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1440:15:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "1417:38:55" }, { "assignments": [ 6873 ], "declarations": [ { "constant": false, "id": 6873, "mutability": "mutable", "name": "swapPool", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6901, "src": "1459:14:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" }, "typeName": { "contractScope": null, "id": 6872, "name": "ISwap", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1866, "src": "1459:5:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "value": null, "visibility": "internal" } ], "id": 6877, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6875, "name": "swapPoolAddr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6867, "src": "1482:12:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6874, "name": "ISwap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1866, "src": "1476:5:55", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ISwap_$1866_$", "typeString": "type(contract ISwap)" } }, "id": 6876, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1476:19:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "nodeType": "VariableDeclarationStatement", "src": "1459:36:55" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 6883, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6880, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1595:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "expression": { "argumentTypes": null, "id": 6878, "name": "swapPool", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6873, "src": "1577:8:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "id": 6879, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "getToken", "nodeType": "MemberAccess", "referencedDeclaration": 1823, "src": "1577:17:55", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint8_$returns$_t_address_$", "typeString": "function (uint8) view external returns (address)" } }, "id": 6881, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1577:20:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 6882, "name": "input", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6854, "src": "1601:5:55", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1577:29:55", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 6899, "nodeType": "Block", "src": "1669:55:55", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "31", "id": 6894, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1704:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, { "argumentTypes": null, "hexValue": "30", "id": 6895, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1707:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "id": 6896, "name": "amountIn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6858, "src": "1710:8:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6892, "name": "swapPool", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6873, "src": "1681:8:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "id": 6893, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "calculateSwap", "nodeType": "MemberAccess", "referencedDeclaration": 1865, "src": "1681:22:55", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint8_$_t_uint8_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint8,uint8,uint256) view external returns (uint256)" } }, "id": 6897, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1681:38:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6865, "id": 6898, "nodeType": "Return", "src": "1674:45:55" } ] }, "id": 6900, "nodeType": "IfStatement", "src": "1573:151:55", "trueBody": { "id": 6891, "nodeType": "Block", "src": "1608:55:55", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6886, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1643:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "hexValue": "31", "id": 6887, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1646:1:55", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, { "argumentTypes": null, "id": 6888, "name": "amountIn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6858, "src": "1649:8:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6884, "name": "swapPool", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6873, "src": "1620:8:55", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwap_$1866", "typeString": "contract ISwap" } }, "id": 6885, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "calculateSwap", "nodeType": "MemberAccess", "referencedDeclaration": 1865, "src": "1620:22:55", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint8_$_t_uint8_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint8,uint8,uint256) view external returns (uint256)" } }, "id": 6889, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1620:38:55", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6865, "id": 6890, "nodeType": "Return", "src": "1613:45:55" } ] } } ] }, "documentation": null, "functionSelector": "7eace892", "id": 6902, "implemented": true, "kind": "function", "modifiers": [], "name": "getOutputAmount", "nodeType": "FunctionDefinition", "overrides": { "id": 6862, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1379:8:55" }, "parameters": { "id": 6861, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6854, "mutability": "mutable", "name": "input", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6902, "src": "1302:13:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6853, "name": "address", "nodeType": "ElementaryTypeName", "src": "1302:7:55", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6856, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6902, "src": "1319:7:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6855, "name": "address", "nodeType": "ElementaryTypeName", "src": "1319:7:55", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6858, "mutability": "mutable", "name": "amountIn", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6902, "src": "1330:13:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6857, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1330:4:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6860, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6902, "src": "1347:19:55", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 6859, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1347:5:55", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "1298:71:55" }, "returnParameters": { "id": 6865, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6864, "mutability": "mutable", "name": "amountOut", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6902, "src": "1397:14:55", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6863, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1397:4:55", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1396:16:55" }, "scope": 6907, "src": "1274:453:55", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "body": { "id": 6905, "nodeType": "Block", "src": "1757:2:55", "statements": [] }, "documentation": null, "id": 6906, "implemented": true, "kind": "receive", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 6903, "nodeType": "ParameterList", "parameters": [], "src": "1737:2:55" }, "returnParameters": { "id": 6904, "nodeType": "ParameterList", "parameters": [], "src": "1757:0:55" }, "scope": 6907, "src": "1730:29:55", "stateMutability": "payable", "virtual": false, "visibility": "external" } ], "scope": 6908, "src": "240:1521:55" } ], "src": "32:1729:55" }, "legacyAST": { "attributes": { "absolutePath": "project:/contracts/swappa/PairStableSwap.sol", "exportedSymbols": { "PairStableSwap": [ 6907 ] }, "license": "MIT" }, "children": [ { "attributes": { "literals": [ "solidity", "0.6", ".8" ] }, "id": 6731, "name": "PragmaDirective", "src": "32:22:55" }, { "attributes": { "SourceUnit": 219, "absolutePath": "@openzeppelin/contracts/math/SafeMath.sol", "file": "@openzeppelin/contracts/math/SafeMath.sol", "scope": 6908, "symbolAliases": [ null ], "unitAlias": "" }, "id": 6732, "name": "ImportDirective", "src": "56:51:55" }, { "attributes": { "SourceUnit": 726, "absolutePath": "@openzeppelin/contracts/token/ERC20/ERC20.sol", "file": "@openzeppelin/contracts/token/ERC20/ERC20.sol", "scope": 6908, "symbolAliases": [ null ], "unitAlias": "" }, "id": 6733, "name": "ImportDirective", "src": "108:55:55" }, { "attributes": { "SourceUnit": 1867, "absolutePath": "project:/contracts/interfaces/stableswap/ISwap.sol", "file": "../interfaces/stableswap/ISwap.sol", "scope": 6908, "symbolAliases": [ null ], "unitAlias": "" }, "id": 6734, "name": "ImportDirective", "src": "164:44:55" }, { "attributes": { "SourceUnit": 5326, "absolutePath": "project:/contracts/swappa/ISwappaPairV1.sol", "file": "./ISwappaPairV1.sol", "scope": 6908, "symbolAliases": [ null ], "unitAlias": "" }, "id": 6735, "name": "ImportDirective", "src": "209:29:55" }, { "attributes": { "abstract": false, "contractDependencies": [ 5325 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "linearizedBaseContracts": [ 6907, 5325 ], "name": "PairStableSwap", "scope": 6908 }, "children": [ { "attributes": { "arguments": null }, "children": [ { "attributes": { "contractScope": null, "name": "ISwappaPairV1", "referencedDeclaration": 5325, "type": "contract ISwappaPairV1" }, "id": 6736, "name": "UserDefinedTypeName", "src": "267:13:55" } ], "id": 6737, "name": "InheritanceSpecifier", "src": "267:13:55" }, { "children": [ { "attributes": { "contractScope": null, "name": "SafeMath", "referencedDeclaration": 218, "type": "library SafeMath" }, "id": 6738, "name": "UserDefinedTypeName", "src": "290:8:55" }, { "attributes": { "name": "uint", "type": "uint256" }, "id": 6739, "name": "ElementaryTypeName", "src": "303:4:55" } ], "id": 6740, "name": "UsingForDirective", "src": "284:24:55" }, { "attributes": { "baseFunctions": [ 5311 ], "documentation": null, "functionSelector": "32ef8314", "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "swap", "scope": 6907, "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, "children": [ { "attributes": { "overrides": [ null ] }, "id": 6750, "name": "OverrideSpecifier", "src": "409:8:55" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "input", "overrides": null, "scope": 6835, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6741, "name": "ElementaryTypeName", "src": "328:7:55" } ], "id": 6742, "name": "VariableDeclaration", "src": "328:13:55" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "output", "overrides": null, "scope": 6835, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6743, "name": "ElementaryTypeName", "src": "345:7:55" } ], "id": 6744, "name": "VariableDeclaration", "src": "345:14:55" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "to", "overrides": null, "scope": 6835, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6745, "name": "ElementaryTypeName", "src": "363:7:55" } ], "id": 6746, "name": "VariableDeclaration", "src": "363:10:55" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "data", "overrides": null, "scope": 6835, "stateVariable": false, "storageLocation": "calldata", "type": "bytes", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "bytes", "type": "bytes" }, "id": 6747, "name": "ElementaryTypeName", "src": "377:5:55" } ], "id": 6748, "name": "VariableDeclaration", "src": "377:19:55" } ], "id": 6749, "name": "ParameterList", "src": "324:75:55" }, { "attributes": { "parameters": [ null ] }, "children": [], "id": 6751, "name": "ParameterList", "src": "418:0:55" }, { "children": [ { "attributes": { "assignments": [ 6753 ] }, "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "swapPoolAddr", "overrides": null, "scope": 6834, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6752, "name": "ElementaryTypeName", "src": "422:7:55" } ], "id": 6753, "name": "VariableDeclaration", "src": "422:20:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "address", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 6852, "type": "function (bytes memory) pure returns (address)", "value": "parseData" }, "id": 6754, "name": "Identifier", "src": "445:9:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6748, "type": "bytes calldata", "value": "data" }, "id": 6755, "name": "Identifier", "src": "455:4:55" } ], "id": 6756, "name": "FunctionCall", "src": "445:15:55" } ], "id": 6757, "name": "VariableDeclarationStatement", "src": "422:38:55" }, { "attributes": { "assignments": [ 6759 ] }, "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "inputAmount", "overrides": null, "scope": 6834, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint", "type": "uint256" }, "id": 6758, "name": "ElementaryTypeName", "src": "464:4:55" } ], "id": 6759, "name": "VariableDeclaration", "src": "464:16:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint256", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "balanceOf", "referencedDeclaration": 325, "type": "function (address) view external returns (uint256)" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ERC20", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 725, "type": "type(contract ERC20)", "value": "ERC20" }, "id": 6760, "name": "Identifier", "src": "483:5:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6742, "type": "address", "value": "input" }, "id": 6761, "name": "Identifier", "src": "489:5:55" } ], "id": 6762, "name": "FunctionCall", "src": "483:12:55" } ], "id": 6763, "name": "MemberAccess", "src": "483:22:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "address payable", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_contract$_PairStableSwap_$6907", "typeString": "contract PairStableSwap" } ], "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "type": "type(address)" }, "children": [ { "attributes": { "name": "address", "type": null }, "id": 6764, "name": "ElementaryTypeName", "src": "506:7:55" } ], "id": 6765, "name": "ElementaryTypeNameExpression", "src": "506:7:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": -28, "type": "contract PairStableSwap", "value": "this" }, "id": 6766, "name": "Identifier", "src": "514:4:55" } ], "id": 6767, "name": "FunctionCall", "src": "506:13:55" } ], "id": 6768, "name": "FunctionCall", "src": "483:37:55" } ], "id": 6769, "name": "VariableDeclarationStatement", "src": "464:56:55" }, { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_83d0a4b192727c7cd8a2654fe5caba12e612139a0786a1e791338f41d2d10083", "typeString": "literal_string \"PairStableSwap: approve failed!\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 6770, "name": "Identifier", "src": "524:7:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "bool", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "approve", "referencedDeclaration": 385, "type": "function (address,uint256) external returns (bool)" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ERC20", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 725, "type": "type(contract ERC20)", "value": "ERC20" }, "id": 6771, "name": "Identifier", "src": "536:5:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6742, "type": "address", "value": "input" }, "id": 6772, "name": "Identifier", "src": "542:5:55" } ], "id": 6773, "name": "FunctionCall", "src": "536:12:55" } ], "id": 6774, "name": "MemberAccess", "src": "536:20:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6753, "type": "address", "value": "swapPoolAddr" }, "id": 6775, "name": "Identifier", "src": "557:12:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6759, "type": "uint256", "value": "inputAmount" }, "id": 6776, "name": "Identifier", "src": "571:11:55" } ], "id": 6777, "name": "FunctionCall", "src": "536:47:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "50616972537461626c65537761703a20617070726f7665206661696c656421", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"PairStableSwap: approve failed!\"", "value": "PairStableSwap: approve failed!" }, "id": 6778, "name": "Literal", "src": "588:33:55" } ], "id": 6779, "name": "FunctionCall", "src": "524:98:55" } ], "id": 6780, "name": "ExpressionStatement", "src": "524:98:55" }, { "attributes": { "assignments": [ 6782 ] }, "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "swapPool", "overrides": null, "scope": 6834, "stateVariable": false, "storageLocation": "default", "type": "contract ISwap", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "contractScope": null, "name": "ISwap", "referencedDeclaration": 1866, "type": "contract ISwap" }, "id": 6781, "name": "UserDefinedTypeName", "src": "626:5:55" } ], "id": 6782, "name": "VariableDeclaration", "src": "626:14:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ISwap", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 1866, "type": "type(contract ISwap)", "value": "ISwap" }, "id": 6783, "name": "Identifier", "src": "643:5:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6753, "type": "address", "value": "swapPoolAddr" }, "id": 6784, "name": "Identifier", "src": "649:12:55" } ], "id": 6785, "name": "FunctionCall", "src": "643:19:55" } ], "id": 6786, "name": "VariableDeclarationStatement", "src": "626:36:55" }, { "attributes": { "assignments": [ 6788 ], "initialValue": null }, "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "outputAmount", "overrides": null, "scope": 6834, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint", "type": "uint256" }, "id": 6787, "name": "ElementaryTypeName", "src": "666:4:55" } ], "id": 6788, "name": "VariableDeclaration", "src": "666:17:55" } ], "id": 6789, "name": "VariableDeclarationStatement", "src": "666:17:55" }, { "children": [ { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "==", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "address", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "getToken", "referencedDeclaration": 1823, "type": "function (uint8) view external returns (address)" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6782, "type": "contract ISwap", "value": "swapPool" }, "id": 6790, "name": "Identifier", "src": "765:8:55" } ], "id": 6791, "name": "MemberAccess", "src": "765:17:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "30", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 0", "value": "0" }, "id": 6792, "name": "Literal", "src": "783:1:55" } ], "id": 6793, "name": "FunctionCall", "src": "765:20:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6742, "type": "address", "value": "input" }, "id": 6794, "name": "Identifier", "src": "789:5:55" } ], "id": 6795, "name": "BinaryOperation", "src": "765:29:55" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "=", "type": "uint256" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6788, "type": "uint256", "value": "outputAmount" }, "id": 6796, "name": "Identifier", "src": "801:12:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint256", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "swap", "referencedDeclaration": 1854, "type": "function (uint8,uint8,uint256,uint256,uint256) external returns (uint256)" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6782, "type": "contract ISwap", "value": "swapPool" }, "id": 6797, "name": "Identifier", "src": "816:8:55" } ], "id": 6798, "name": "MemberAccess", "src": "816:13:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "30", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 0", "value": "0" }, "id": 6799, "name": "Literal", "src": "830:1:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "31", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 1", "value": "1" }, "id": 6800, "name": "Literal", "src": "833:1:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6759, "type": "uint256", "value": "inputAmount" }, "id": 6801, "name": "Identifier", "src": "836:11:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "30", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 0", "value": "0" }, "id": 6802, "name": "Literal", "src": "849:1:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "timestamp", "referencedDeclaration": null, "type": "uint256" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": -4, "type": "block", "value": "block" }, "id": 6803, "name": "Identifier", "src": "852:5:55" } ], "id": 6804, "name": "MemberAccess", "src": "852:15:55" } ], "id": 6805, "name": "FunctionCall", "src": "816:52:55" } ], "id": 6806, "name": "Assignment", "src": "801:67:55" } ], "id": 6807, "name": "ExpressionStatement", "src": "801:67:55" } ], "id": 6808, "name": "Block", "src": "796:77:55" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "=", "type": "uint256" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6788, "type": "uint256", "value": "outputAmount" }, "id": 6809, "name": "Identifier", "src": "884:12:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint256", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "swap", "referencedDeclaration": 1854, "type": "function (uint8,uint8,uint256,uint256,uint256) external returns (uint256)" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6782, "type": "contract ISwap", "value": "swapPool" }, "id": 6810, "name": "Identifier", "src": "899:8:55" } ], "id": 6811, "name": "MemberAccess", "src": "899:13:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "31", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 1", "value": "1" }, "id": 6812, "name": "Literal", "src": "913:1:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "30", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 0", "value": "0" }, "id": 6813, "name": "Literal", "src": "916:1:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6759, "type": "uint256", "value": "inputAmount" }, "id": 6814, "name": "Identifier", "src": "919:11:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "30", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 0", "value": "0" }, "id": 6815, "name": "Literal", "src": "932:1:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "timestamp", "referencedDeclaration": null, "type": "uint256" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": -4, "type": "block", "value": "block" }, "id": 6816, "name": "Identifier", "src": "935:5:55" } ], "id": 6817, "name": "MemberAccess", "src": "935:15:55" } ], "id": 6818, "name": "FunctionCall", "src": "899:52:55" } ], "id": 6819, "name": "Assignment", "src": "884:67:55" } ], "id": 6820, "name": "ExpressionStatement", "src": "884:67:55" } ], "id": 6821, "name": "Block", "src": "879:77:55" } ], "id": 6822, "name": "IfStatement", "src": "761:195:55" }, { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_bbf884f1b53613ab7704fce2d878c8190eccdb34157806e067029f52b847ffb1", "typeString": "literal_string \"PairStableSwap: transfer failed!\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 6823, "name": "Identifier", "src": "959:7:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "bool", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "transfer", "referencedDeclaration": 346, "type": "function (address,uint256) external returns (bool)" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ERC20", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 725, "type": "type(contract ERC20)", "value": "ERC20" }, "id": 6824, "name": "Identifier", "src": "971:5:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6744, "type": "address", "value": "output" }, "id": 6825, "name": "Identifier", "src": "977:6:55" } ], "id": 6826, "name": "FunctionCall", "src": "971:13:55" } ], "id": 6827, "name": "MemberAccess", "src": "971:22:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6746, "type": "address", "value": "to" }, "id": 6828, "name": "Identifier", "src": "994:2:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6788, "type": "uint256", "value": "outputAmount" }, "id": 6829, "name": "Identifier", "src": "998:12:55" } ], "id": 6830, "name": "FunctionCall", "src": "971:40:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "50616972537461626c65537761703a207472616e73666572206661696c656421", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"PairStableSwap: transfer failed!\"", "value": "PairStableSwap: transfer failed!" }, "id": 6831, "name": "Literal", "src": "1016:34:55" } ], "id": 6832, "name": "FunctionCall", "src": "959:92:55" } ], "id": 6833, "name": "ExpressionStatement", "src": "959:92:55" } ], "id": 6834, "name": "Block", "src": "418:637:55" } ], "id": 6835, "name": "FunctionDefinition", "src": "311:744:55" }, { "attributes": { "documentation": null, "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "parseData", "overrides": null, "scope": 6907, "stateMutability": "pure", "virtual": false, "visibility": "private" }, "children": [ { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "data", "overrides": null, "scope": 6852, "stateVariable": false, "storageLocation": "memory", "type": "bytes", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "bytes", "type": "bytes" }, "id": 6836, "name": "ElementaryTypeName", "src": "1077:5:55" } ], "id": 6837, "name": "VariableDeclaration", "src": "1077:17:55" } ], "id": 6838, "name": "ParameterList", "src": "1076:19:55" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "swapPoolAddr", "overrides": null, "scope": 6852, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6839, "name": "ElementaryTypeName", "src": "1118:7:55" } ], "id": 6840, "name": "VariableDeclaration", "src": "1118:20:55" } ], "id": 6841, "name": "ParameterList", "src": "1117:22:55" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_e2b17505fb5afe3686b15f26be3ba2e92812891745d41a0cf8ca23d70b235c5c", "typeString": "literal_string \"PairStableSwap: invalid data!\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 6842, "name": "Identifier", "src": "1144:7:55" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "==", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "length", "referencedDeclaration": null, "type": "uint256" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6837, "type": "bytes memory", "value": "data" }, "id": 6843, "name": "Identifier", "src": "1152:4:55" } ], "id": 6844, "name": "MemberAccess", "src": "1152:11:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "3230", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 20", "value": "20" }, "id": 6845, "name": "Literal", "src": "1167:2:55" } ], "id": 6846, "name": "BinaryOperation", "src": "1152:17:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "50616972537461626c65537761703a20696e76616c6964206461746121", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"PairStableSwap: invalid data!\"", "value": "PairStableSwap: invalid data!" }, "id": 6847, "name": "Literal", "src": "1171:31:55" } ], "id": 6848, "name": "FunctionCall", "src": "1144:59:55" } ], "id": 6849, "name": "ExpressionStatement", "src": "1144:59:55" }, { "attributes": { "evmVersion": "istanbul", "externalReferences": [ { "declaration": 6837, "isOffset": false, "isSlot": false, "src": "1252:4:55", "valueSize": 1 }, { "declaration": 6840, "isOffset": false, "isSlot": false, "src": "1226:12:55", "valueSize": 1 } ], "operations": "{\n swapPoolAddr := mload(add(data, 20))\n}" }, "children": [], "id": 6850, "name": "InlineAssembly", "src": "1209:59:55" } ], "id": 6851, "name": "Block", "src": "1140:131:55" } ], "id": 6852, "name": "FunctionDefinition", "src": "1058:213:55" }, { "attributes": { "baseFunctions": [ 5324 ], "documentation": null, "functionSelector": "7eace892", "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "getOutputAmount", "scope": 6907, "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, "children": [ { "attributes": { "overrides": [ null ] }, "id": 6862, "name": "OverrideSpecifier", "src": "1379:8:55" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "input", "overrides": null, "scope": 6902, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6853, "name": "ElementaryTypeName", "src": "1302:7:55" } ], "id": 6854, "name": "VariableDeclaration", "src": "1302:13:55" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "", "overrides": null, "scope": 6902, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6855, "name": "ElementaryTypeName", "src": "1319:7:55" } ], "id": 6856, "name": "VariableDeclaration", "src": "1319:7:55" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "amountIn", "overrides": null, "scope": 6902, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint", "type": "uint256" }, "id": 6857, "name": "ElementaryTypeName", "src": "1330:4:55" } ], "id": 6858, "name": "VariableDeclaration", "src": "1330:13:55" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "data", "overrides": null, "scope": 6902, "stateVariable": false, "storageLocation": "calldata", "type": "bytes", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "bytes", "type": "bytes" }, "id": 6859, "name": "ElementaryTypeName", "src": "1347:5:55" } ], "id": 6860, "name": "VariableDeclaration", "src": "1347:19:55" } ], "id": 6861, "name": "ParameterList", "src": "1298:71:55" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "amountOut", "overrides": null, "scope": 6902, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint", "type": "uint256" }, "id": 6863, "name": "ElementaryTypeName", "src": "1397:4:55" } ], "id": 6864, "name": "VariableDeclaration", "src": "1397:14:55" } ], "id": 6865, "name": "ParameterList", "src": "1396:16:55" }, { "children": [ { "attributes": { "assignments": [ 6867 ] }, "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "swapPoolAddr", "overrides": null, "scope": 6901, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6866, "name": "ElementaryTypeName", "src": "1417:7:55" } ], "id": 6867, "name": "VariableDeclaration", "src": "1417:20:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "address", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 6852, "type": "function (bytes memory) pure returns (address)", "value": "parseData" }, "id": 6868, "name": "Identifier", "src": "1440:9:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6860, "type": "bytes calldata", "value": "data" }, "id": 6869, "name": "Identifier", "src": "1450:4:55" } ], "id": 6870, "name": "FunctionCall", "src": "1440:15:55" } ], "id": 6871, "name": "VariableDeclarationStatement", "src": "1417:38:55" }, { "attributes": { "assignments": [ 6873 ] }, "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "swapPool", "overrides": null, "scope": 6901, "stateVariable": false, "storageLocation": "default", "type": "contract ISwap", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "contractScope": null, "name": "ISwap", "referencedDeclaration": 1866, "type": "contract ISwap" }, "id": 6872, "name": "UserDefinedTypeName", "src": "1459:5:55" } ], "id": 6873, "name": "VariableDeclaration", "src": "1459:14:55" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ISwap", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 1866, "type": "type(contract ISwap)", "value": "ISwap" }, "id": 6874, "name": "Identifier", "src": "1476:5:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6867, "type": "address", "value": "swapPoolAddr" }, "id": 6875, "name": "Identifier", "src": "1482:12:55" } ], "id": 6876, "name": "FunctionCall", "src": "1476:19:55" } ], "id": 6877, "name": "VariableDeclarationStatement", "src": "1459:36:55" }, { "children": [ { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "==", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "address", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "getToken", "referencedDeclaration": 1823, "type": "function (uint8) view external returns (address)" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6873, "type": "contract ISwap", "value": "swapPool" }, "id": 6878, "name": "Identifier", "src": "1577:8:55" } ], "id": 6879, "name": "MemberAccess", "src": "1577:17:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "30", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 0", "value": "0" }, "id": 6880, "name": "Literal", "src": "1595:1:55" } ], "id": 6881, "name": "FunctionCall", "src": "1577:20:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6854, "type": "address", "value": "input" }, "id": 6882, "name": "Identifier", "src": "1601:5:55" } ], "id": 6883, "name": "BinaryOperation", "src": "1577:29:55" }, { "children": [ { "attributes": { "functionReturnParameters": 6865 }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint256", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "calculateSwap", "referencedDeclaration": 1865, "type": "function (uint8,uint8,uint256) view external returns (uint256)" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6873, "type": "contract ISwap", "value": "swapPool" }, "id": 6884, "name": "Identifier", "src": "1620:8:55" } ], "id": 6885, "name": "MemberAccess", "src": "1620:22:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "30", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 0", "value": "0" }, "id": 6886, "name": "Literal", "src": "1643:1:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "31", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 1", "value": "1" }, "id": 6887, "name": "Literal", "src": "1646:1:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6858, "type": "uint256", "value": "amountIn" }, "id": 6888, "name": "Identifier", "src": "1649:8:55" } ], "id": 6889, "name": "FunctionCall", "src": "1620:38:55" } ], "id": 6890, "name": "Return", "src": "1613:45:55" } ], "id": 6891, "name": "Block", "src": "1608:55:55" }, { "children": [ { "attributes": { "functionReturnParameters": 6865 }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint256", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "calculateSwap", "referencedDeclaration": 1865, "type": "function (uint8,uint8,uint256) view external returns (uint256)" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6873, "type": "contract ISwap", "value": "swapPool" }, "id": 6892, "name": "Identifier", "src": "1681:8:55" } ], "id": 6893, "name": "MemberAccess", "src": "1681:22:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "31", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 1", "value": "1" }, "id": 6894, "name": "Literal", "src": "1704:1:55" }, { "attributes": { "argumentTypes": null, "hexvalue": "30", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 0", "value": "0" }, "id": 6895, "name": "Literal", "src": "1707:1:55" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6858, "type": "uint256", "value": "amountIn" }, "id": 6896, "name": "Identifier", "src": "1710:8:55" } ], "id": 6897, "name": "FunctionCall", "src": "1681:38:55" } ], "id": 6898, "name": "Return", "src": "1674:45:55" } ], "id": 6899, "name": "Block", "src": "1669:55:55" } ], "id": 6900, "name": "IfStatement", "src": "1573:151:55" } ], "id": 6901, "name": "Block", "src": "1413:314:55" } ], "id": 6902, "name": "FunctionDefinition", "src": "1274:453:55" }, { "attributes": { "documentation": null, "implemented": true, "isConstructor": false, "kind": "receive", "modifiers": [ null ], "name": "", "overrides": null, "scope": 6907, "stateMutability": "payable", "virtual": false, "visibility": "external" }, "children": [ { "attributes": { "parameters": [ null ] }, "children": [], "id": 6903, "name": "ParameterList", "src": "1737:2:55" }, { "attributes": { "parameters": [ null ] }, "children": [], "id": 6904, "name": "ParameterList", "src": "1757:0:55" }, { "attributes": { "statements": [ null ] }, "children": [], "id": 6905, "name": "Block", "src": "1757:2:55" } ], "id": 6906, "name": "FunctionDefinition", "src": "1730:29:55" } ], "id": 6907, "name": "ContractDefinition", "src": "240:1521:55" } ], "id": 6908, "name": "SourceUnit", "src": "32:1729:55" }, "compiler": { "name": "solc", "version": "0.6.8+commit.0bbfe453.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.16", "updatedAt": "2025-02-07T17:50:42.842Z", "devdoc": { "methods": {} }, "userdoc": { "methods": {} } }