{
  "contractName": "OldConverter",
  "abi": [
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_amount",
          "type": "uint256"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "inputs": [
        {
          "internalType": "contract IERC20Token",
          "name": "_sourceToken",
          "type": "address"
        },
        {
          "internalType": "contract IERC20Token",
          "name": "_targetToken",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "_amount",
          "type": "uint256"
        }
      ],
      "name": "getReturn",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    }
  ],
  "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[{\"internalType\":\"contract IERC20Token\",\"name\":\"_sourceToken\",\"type\":\"address\"},{\"internalType\":\"contract IERC20Token\",\"name\":\"_targetToken\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"getReturn\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/helpers/TestBancorNetwork.sol\":\"OldConverter\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/BancorNetwork.sol\":{\"keccak256\":\"0xb1817f3d45dd66177f17cf45f1b660186ee35575222a11c9bc0e0d44b32846ea\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://ce648a9b8038bb11d1ed091a16aa831a973ff2896ae9aae6b34cb9a8d0e02b00\",\"dweb:/ipfs/QmQKqVVXV6dDBd8saigyEALeLwjG8nhqK8wLRqDGaKSDV6\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/IConversionPathFinder.sol\":{\"keccak256\":\"0x2d0f5b57bc448581a6e2296486ca618851138f40928049d75220623605915d7b\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://2182eb05da8442792a5f3f4d8cdb2cf0bf9e952ca02638f3880cc59d5fd6dcb6\",\"dweb:/ipfs/QmSH9uWh6zTQkcBgD7VGGSzYW9DjdBDkUZUZ6zhzPWPPDz\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/bancorx/interfaces/IBancorX.sol\":{\"keccak256\":\"0x65b5780d710159c7540078c38406c53db37a349fb468a0bf21bdc6262e497951\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://3df931a12770d10a22451326e38ae9d405d3e2716bdbdd6306b5e2361f6fe511\",\"dweb:/ipfs/QmcRBSaFLz516dAEqb8ZEiyx8ZTHZZ6rfxHn5roL2fHA3S\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/interfaces/IBancorFormula.sol\":{\"keccak256\":\"0xf30c95034af4c4ec6e8a859e90cf7a0bada29a805ede76e04644107a7c677c4e\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://b48070d4abf9c4a08c39e6c494fa9efd7389aa7f8b61b283c9ba02062b1c59b6\",\"dweb:/ipfs/Qme6U7SpspFPzMH2mTyKsXCnJEAgg1vX6NNFzuykbVSY5R\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/interfaces/IConverter.sol\":{\"keccak256\":\"0x18b0d73a3d5ee951ede1b3f840ed35b40570e34975703079a4451555f4dd089b\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://1cd7263f1ef60793e3929509150420037df9a1194c3d0f40bb2ff5516d6a373f\",\"dweb:/ipfs/QmNUbsZt2rzWPjStYycgz3vMbNP4VrAqZPRAK39QNqUoos\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/interfaces/IConverterAnchor.sol\":{\"keccak256\":\"0x9448cdbe90293fb5c1a0808b77af8754a1025b59c45f432eee01f659361a6115\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://1ef2bb2e1543c9324daf7f3fd086a57efb45b89f3d62b9d7a9fc78c138d24dbc\",\"dweb:/ipfs/QmVcXDib3K6xYJMBNxawmo4krJGiDfxb5oL64Lc3pi14XK\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/helpers/TestBancorNetwork.sol\":{\"keccak256\":\"0xc40ca5fce07a0b65d5739e15b7c0a1adb7b1abf40d6cfe5bd15794a68fc73ccf\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://e72a37e36080c3f65b9f4da8feccb955d4ea4429145c034e081e4577358c8eb9\",\"dweb:/ipfs/QmR5tF1rLfnRwSKJjwXNaoXdMt73SB94B9kBF8cyeTqkaP\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/token/interfaces/IERC20Token.sol\":{\"keccak256\":\"0xe6f988c3156e88258474526a541d5a42b6a9adae98b04177a059d9f723bc82cd\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://9a6eb77a5b9ce70995a11a6e48ac3985a4c70896fe5fe04d46146ad7c1c83ea3\",\"dweb:/ipfs/QmYvGSveZFG51tghwkVuu6eK9Jy8frHpfLxHTMyvNZN461\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/token/interfaces/IEtherToken.sol\":{\"keccak256\":\"0x6ed324da616d70af0b21fa073b1e5329b430e38b470177633a69710eff3da893\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://44f94aa59c67de636423cbdef82efb7d8e0562e73dfc9049a48054156aebaf14\",\"dweb:/ipfs/Qmdn8KAP54s7X3J6TCoZPhCpS19aCQzFYZuFABugJ5JA5D\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/token/interfaces/ISmartToken.sol\":{\"keccak256\":\"0x5cfc15e7a23a9872059b0cea4d2ae902c3fc074a39e1c645036ce38ad47881ec\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://890ee09d24de5778e34c4c27d1377d83d378e8f4a13fcb94d5102f61d4749cce\",\"dweb:/ipfs/QmT89f61fmsUN1BVdebKxUc5VU7sitiP33LNk7TTtF18oj\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/ContractRegistryClient.sol\":{\"keccak256\":\"0x74caf88eff1cb113ad8277df9ba7933a6f1e0deea8fd1855157def3be833b859\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://c7793c9f245736cd8413bc8c4b5c40b67949cbee32289a16d29c83cf59396ad6\",\"dweb:/ipfs/QmWony7b1buUrGnE32gjLAnSwkBYMrJ68vUcCwDMmp3MbJ\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/Owned.sol\":{\"keccak256\":\"0x6ef69d9dcc80a8a36d5eb37783375cd5e4831c6d20c723fa6f6b6a06c0aeb53d\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://5a5d087e2c5b47739615ef22e1f29749de44b43c9a37cfae32b3dfc498a258c4\",\"dweb:/ipfs/Qmd1mXKEQbmBxqHk326LGVzNoayXsam8gZNecknnYpBnyh\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/ReentrancyGuard.sol\":{\"keccak256\":\"0x5ea87c10dd6e7e79212da712eb5f079c03361e6c96e299a4ffd9aaee8d6a3899\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://882aac64a791df35a942480e6ce611d1acb399af4ac0c4ef0288965c3785bf50\",\"dweb:/ipfs/QmeWeYYFh5HZAzJ1SzPHoTcPvZrE4NPUVfmjvH9Q3m36Gg\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/SafeMath.sol\":{\"keccak256\":\"0x1ab7391a19ca8a3ad2f3c4a1074e080d4d76dfdb834637bdd0c1e6b6acdf28af\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://d6d8c99621ca884b72da2d84eddfec8ec8c5533915691d6eec94a07adf445608\",\"dweb:/ipfs/QmaXr6DN7VbfxfMn3PsTy7SAMgZVVXbdeaw11BsAjVL2x1\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHandler.sol\":{\"keccak256\":\"0xf65b87e3bf3343e368da67878c19d1a043a1025b10e9053d3562b53b4aa447fe\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://b85c5d96642c14c53b8d5062eecd4d27d3bdb457d1d0f130900763a75a512eb7\",\"dweb:/ipfs/QmUHtbqC1khqnRZXYn11Aykus4m5e9MVNUWqorxhpr5ipJ\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHolder.sol\":{\"keccak256\":\"0xac6bc102eff6c1bb8c1bb4466eab50322c7c101e2e33d577dd3035f106627577\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://9fdbda2d4509260ca3dd43654bdaea07ef18a5e04213ff16e38e3b4abad78a5f\",\"dweb:/ipfs/QmPb69rzX1DwDeEhhfzqQNS3U2bfGcFjXNaV5ffHsZHzfP\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/Utils.sol\":{\"keccak256\":\"0x073efa69fcd6b5e60f841b28b366d63b62ff48ab12a06ce3f5a7f41afd6ce885\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://e8b8ecb2d29197ca77f0ed98f728ace54e6edcfdf5cd1194ae22701607eaf608\",\"dweb:/ipfs/QmcsR6Q35Hurh3TrPkYAboicz9bQQoGCWmZLzUCDyhotH8\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/interfaces/IContractRegistry.sol\":{\"keccak256\":\"0x3551889a83738b621c29ed66f1ecb6a843cca4217e54c9357198559b9cc92259\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://231a59c8f2665adeda8c7e6930832409c9b991fd27ad84b3a24335e7bf269bbe\",\"dweb:/ipfs/QmeJJbn1EAUbZenruTEdJAnwUn3dxsVNeJvxPe81qKEGqL\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/interfaces/IOwned.sol\":{\"keccak256\":\"0xc60a9d197abc28c1906ed4d18b59caa0242db754a0e1f67af6e6277593530dae\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://a8c6f3e6525a81a5165ccbf04f73f6c389c14b74135d11a7b5f70b1c9bdac75c\",\"dweb:/ipfs/QmaPu4Z7yUPc9sMADmoTZVY6AnyDSYHtNNCx3mm4VkJwhP\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/interfaces/ITokenHolder.sol\":{\"keccak256\":\"0x9ccb8ab04d0bd874ba7aae5277e60f35c36918922649a0596bf3664ed257bfe2\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://b65e6db19cd244c9f3545695de5fd7573711c49fb306631ddbf0e1d2fa9fb589\",\"dweb:/ipfs/QmZeu5KYVMTbTx7h2BVUq52fpwL9Q44AUfzeVksucDohgf\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/interfaces/IWhitelist.sol\":{\"keccak256\":\"0x356ad553ceeaea04d7cb8f0d6a5663c47dfccb2bd82517348128f032416ee34a\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://9ea3bbb9945144ead2c1392351f2f9f7444af78569f2b95da2e68bb6b919db52\",\"dweb:/ipfs/QmPyUAk44Kj7nJB4tzYqeSXWHyYP51mRNynEmWra9m4eKS\"]}},\"version\":1}",
  "bytecode": "0x608060405234801561001057600080fd5b506040516100f83803806100f88339818101604052602081101561003357600080fd5b505160005560b2806100466000396000f3fe6080604052348015600f57600080fd5b506004361060285760003560e01c80631e1401f814602d575b600080fd5b606060048036036060811015604157600080fd5b506001600160a01b038135811691602081013590911690604001356072565b60408051918252519081900360200190f35b600054939250505056fea26469706673582212207c43635e931afa21ef81297c792f7a4cc5aa436ebccb817a64a2497d123f8ef064736f6c634300060c0033",
  "deployedBytecode": "0x6080604052348015600f57600080fd5b506004361060285760003560e01c80631e1401f814602d575b600080fd5b606060048036036060811015604157600080fd5b506001600160a01b038135811691602081013590911690604001356072565b60408051918252519081900360200190f35b600054939250505056fea26469706673582212207c43635e931afa21ef81297c792f7a4cc5aa436ebccb817a64a2497d123f8ef064736f6c634300060c0033",
  "immutableReferences": {},
  "sourceMap": "107:347:36:-:0;;;164:69;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;164:69:36;210:6;:16;107:347;;;;;;",
  "deployedSourceMap": "107:347:36:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;239:213;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;239:213:36;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;350:7;438:6;239:213;;;;;:::o",
  "source": "// SPDX-License-Identifier: SEE LICENSE IN LICENSE\npragma solidity 0.6.12;\nimport \"../BancorNetwork.sol\";\n\ncontract OldConverter {\n    uint256 private amount;\n\n    constructor(uint256 _amount) public {\n        amount = _amount;\n    }\n\n    function getReturn(IERC20Token _sourceToken, IERC20Token _targetToken, uint256 _amount) external view returns (uint256) {\n        _sourceToken;\n        _targetToken;\n        _amount;\n        return (amount);\n    }\n}\n\ncontract NewConverter {\n    uint256 private amount;\n    uint256 private fee;\n\n    constructor(uint256 _amount, uint256 _fee) public {\n        amount = _amount;\n        fee = _fee;\n    }\n\n    function getReturn(IERC20Token _sourceToken, IERC20Token _targetToken, uint256 _amount) external view returns (uint256, uint256) {\n        _sourceToken;\n        _targetToken;\n        _amount;\n        return (amount, fee);\n    }\n}\n\ncontract ConverterV27OrLowerWithoutFallback {\n}\n\ncontract ConverterV27OrLowerWithFallback {\n    receive() external payable {\n    }\n}\n\ncontract ConverterV28OrHigherWithoutFallback {\n    function isV28OrHigher() public pure returns (bool) {\n        return true;\n    }\n}\n\ncontract ConverterV28OrHigherWithFallback {\n    function isV28OrHigher() public pure returns (bool) {\n        return true;\n    }\n\n    receive() external payable {\n        revert();\n    }\n}\n\ncontract TestBancorNetwork is BancorNetwork {\n    OldConverter private oldConverter;\n    NewConverter private newConverter;\n\n    constructor(uint256 _amount, uint256 _fee) public BancorNetwork(IContractRegistry(address(1))) {\n        oldConverter = new OldConverter(_amount);\n        newConverter = new NewConverter(_amount, _fee);\n    }\n\n    function isV28OrHigherConverterExternal(IConverter _converter) external view returns (bool) {\n        return super.isV28OrHigherConverter(_converter);\n    }\n\n    function getReturnOld() external view returns (uint256, uint256) {\n        return getReturn(IConverter(payable(address(oldConverter))), IERC20Token(0), IERC20Token(0), uint256(0));\n    }\n\n    function getReturnNew() external view returns (uint256, uint256) {\n        return getReturn(IConverter(payable(address(newConverter))), IERC20Token(0), IERC20Token(0), uint256(0));\n    }\n}\n",
  "sourcePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/helpers/TestBancorNetwork.sol",
  "ast": {
    "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/helpers/TestBancorNetwork.sol",
    "exportedSymbols": {
      "ConverterV27OrLowerWithFallback": [
        19052
      ],
      "ConverterV27OrLowerWithoutFallback": [
        19047
      ],
      "ConverterV28OrHigherWithFallback": [
        19077
      ],
      "ConverterV28OrHigherWithoutFallback": [
        19061
      ],
      "NewConverter": [
        19046
      ],
      "OldConverter": [
        19001
      ],
      "TestBancorNetwork": [
        19188
      ]
    },
    "id": 19189,
    "license": "SEE LICENSE IN LICENSE",
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 18966,
        "literals": [
          "solidity",
          "0.6",
          ".12"
        ],
        "nodeType": "PragmaDirective",
        "src": "51:23:36"
      },
      {
        "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/BancorNetwork.sol",
        "file": "../BancorNetwork.sol",
        "id": 18967,
        "nodeType": "ImportDirective",
        "scope": 19189,
        "sourceUnit": 1977,
        "src": "75:30:36",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19001,
        "linearizedBaseContracts": [
          19001
        ],
        "name": "OldConverter",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 18969,
            "mutability": "mutable",
            "name": "amount",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19001,
            "src": "135:22:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_uint256",
              "typeString": "uint256"
            },
            "typeName": {
              "id": 18968,
              "name": "uint256",
              "nodeType": "ElementaryTypeName",
              "src": "135:7:36",
              "typeDescriptions": {
                "typeIdentifier": "t_uint256",
                "typeString": "uint256"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "body": {
              "id": 18978,
              "nodeType": "Block",
              "src": "200:33:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 18976,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 18974,
                      "name": "amount",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 18969,
                      "src": "210:6:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 18975,
                      "name": "_amount",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 18971,
                      "src": "219:7:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "src": "210:16:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 18977,
                  "nodeType": "ExpressionStatement",
                  "src": "210:16:36"
                }
              ]
            },
            "documentation": null,
            "id": 18979,
            "implemented": true,
            "kind": "constructor",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 18972,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18971,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 18979,
                  "src": "176:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 18970,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "176:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "175:17:36"
            },
            "returnParameters": {
              "id": 18973,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "200:0:36"
            },
            "scope": 19001,
            "src": "164:69:36",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 18999,
              "nodeType": "Block",
              "src": "359:93:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 18990,
                    "name": "_sourceToken",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 18981,
                    "src": "369:12:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "id": 18991,
                  "nodeType": "ExpressionStatement",
                  "src": "369:12:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 18992,
                    "name": "_targetToken",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 18983,
                    "src": "391:12:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "id": 18993,
                  "nodeType": "ExpressionStatement",
                  "src": "391:12:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 18994,
                    "name": "_amount",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 18985,
                    "src": "413:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 18995,
                  "nodeType": "ExpressionStatement",
                  "src": "413:7:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "components": [
                      {
                        "argumentTypes": null,
                        "id": 18996,
                        "name": "amount",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 18969,
                        "src": "438:6:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "id": 18997,
                    "isConstant": false,
                    "isInlineArray": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "nodeType": "TupleExpression",
                    "src": "437:8:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "functionReturnParameters": 18989,
                  "id": 18998,
                  "nodeType": "Return",
                  "src": "430:15:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "1e1401f8",
            "id": 19000,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "getReturn",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 18986,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18981,
                  "mutability": "mutable",
                  "name": "_sourceToken",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19000,
                  "src": "258:24:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IERC20Token_$21127",
                    "typeString": "contract IERC20Token"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 18980,
                    "name": "IERC20Token",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 21127,
                    "src": "258:11:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18983,
                  "mutability": "mutable",
                  "name": "_targetToken",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19000,
                  "src": "284:24:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IERC20Token_$21127",
                    "typeString": "contract IERC20Token"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 18982,
                    "name": "IERC20Token",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 21127,
                    "src": "284:11:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18985,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19000,
                  "src": "310:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 18984,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "310:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "257:69:36"
            },
            "returnParameters": {
              "id": 18989,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18988,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19000,
                  "src": "350:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 18987,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "350:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "349:9:36"
            },
            "scope": 19001,
            "src": "239:213:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "107:347:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19046,
        "linearizedBaseContracts": [
          19046
        ],
        "name": "NewConverter",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 19003,
            "mutability": "mutable",
            "name": "amount",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19046,
            "src": "484:22:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_uint256",
              "typeString": "uint256"
            },
            "typeName": {
              "id": 19002,
              "name": "uint256",
              "nodeType": "ElementaryTypeName",
              "src": "484:7:36",
              "typeDescriptions": {
                "typeIdentifier": "t_uint256",
                "typeString": "uint256"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "constant": false,
            "id": 19005,
            "mutability": "mutable",
            "name": "fee",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19046,
            "src": "512:19:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_uint256",
              "typeString": "uint256"
            },
            "typeName": {
              "id": 19004,
              "name": "uint256",
              "nodeType": "ElementaryTypeName",
              "src": "512:7:36",
              "typeDescriptions": {
                "typeIdentifier": "t_uint256",
                "typeString": "uint256"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "body": {
              "id": 19020,
              "nodeType": "Block",
              "src": "588:53:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19014,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 19012,
                      "name": "amount",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19003,
                      "src": "598:6:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 19013,
                      "name": "_amount",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19007,
                      "src": "607:7:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "src": "598:16:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 19015,
                  "nodeType": "ExpressionStatement",
                  "src": "598:16:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19018,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 19016,
                      "name": "fee",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19005,
                      "src": "624:3:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 19017,
                      "name": "_fee",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19009,
                      "src": "630:4:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "src": "624:10:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 19019,
                  "nodeType": "ExpressionStatement",
                  "src": "624:10:36"
                }
              ]
            },
            "documentation": null,
            "id": 19021,
            "implemented": true,
            "kind": "constructor",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19010,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19007,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19021,
                  "src": "550:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19006,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "550:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19009,
                  "mutability": "mutable",
                  "name": "_fee",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19021,
                  "src": "567:12:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19008,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "567:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "549:31:36"
            },
            "returnParameters": {
              "id": 19011,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "588:0:36"
            },
            "scope": 19046,
            "src": "538:103:36",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 19044,
              "nodeType": "Block",
              "src": "776:98:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19034,
                    "name": "_sourceToken",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 19023,
                    "src": "786:12:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "id": 19035,
                  "nodeType": "ExpressionStatement",
                  "src": "786:12:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19036,
                    "name": "_targetToken",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 19025,
                    "src": "808:12:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "id": 19037,
                  "nodeType": "ExpressionStatement",
                  "src": "808:12:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19038,
                    "name": "_amount",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 19027,
                    "src": "830:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 19039,
                  "nodeType": "ExpressionStatement",
                  "src": "830:7:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "components": [
                      {
                        "argumentTypes": null,
                        "id": 19040,
                        "name": "amount",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 19003,
                        "src": "855:6:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "id": 19041,
                        "name": "fee",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 19005,
                        "src": "863:3:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "id": 19042,
                    "isConstant": false,
                    "isInlineArray": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "nodeType": "TupleExpression",
                    "src": "854:13:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$",
                      "typeString": "tuple(uint256,uint256)"
                    }
                  },
                  "functionReturnParameters": 19033,
                  "id": 19043,
                  "nodeType": "Return",
                  "src": "847:20:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "1e1401f8",
            "id": 19045,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "getReturn",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19028,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19023,
                  "mutability": "mutable",
                  "name": "_sourceToken",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "666:24:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IERC20Token_$21127",
                    "typeString": "contract IERC20Token"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 19022,
                    "name": "IERC20Token",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 21127,
                    "src": "666:11:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19025,
                  "mutability": "mutable",
                  "name": "_targetToken",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "692:24:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IERC20Token_$21127",
                    "typeString": "contract IERC20Token"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 19024,
                    "name": "IERC20Token",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 21127,
                    "src": "692:11:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19027,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "718:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19026,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "718:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "665:69:36"
            },
            "returnParameters": {
              "id": 19033,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19030,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "758:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19029,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "758:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19032,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "767:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19031,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "767:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "757:18:36"
            },
            "scope": 19046,
            "src": "647:227:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "456:420:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19047,
        "linearizedBaseContracts": [
          19047
        ],
        "name": "ConverterV27OrLowerWithoutFallback",
        "nodeType": "ContractDefinition",
        "nodes": [],
        "scope": 19189,
        "src": "878:47:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19052,
        "linearizedBaseContracts": [
          19052
        ],
        "name": "ConverterV27OrLowerWithFallback",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 19050,
              "nodeType": "Block",
              "src": "1001:7:36",
              "statements": []
            },
            "documentation": null,
            "id": 19051,
            "implemented": true,
            "kind": "receive",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19048,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "981:2:36"
            },
            "returnParameters": {
              "id": 19049,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1001:0:36"
            },
            "scope": 19052,
            "src": "974:34:36",
            "stateMutability": "payable",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "927:83:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19061,
        "linearizedBaseContracts": [
          19061
        ],
        "name": "ConverterV28OrHigherWithoutFallback",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 19059,
              "nodeType": "Block",
              "src": "1115:28:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "hexValue": "74727565",
                    "id": 19057,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": true,
                    "kind": "bool",
                    "lValueRequested": false,
                    "nodeType": "Literal",
                    "src": "1132:4:36",
                    "subdenomination": null,
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    },
                    "value": "true"
                  },
                  "functionReturnParameters": 19056,
                  "id": 19058,
                  "nodeType": "Return",
                  "src": "1125:11:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "d260529c",
            "id": 19060,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "isV28OrHigher",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19053,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1085:2:36"
            },
            "returnParameters": {
              "id": 19056,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19055,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19060,
                  "src": "1109:4:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 19054,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "1109:4:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1108:6:36"
            },
            "scope": 19061,
            "src": "1063:80:36",
            "stateMutability": "pure",
            "virtual": false,
            "visibility": "public"
          }
        ],
        "scope": 19189,
        "src": "1012:133:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19077,
        "linearizedBaseContracts": [
          19077
        ],
        "name": "ConverterV28OrHigherWithFallback",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 19068,
              "nodeType": "Block",
              "src": "1247:28:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "hexValue": "74727565",
                    "id": 19066,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": true,
                    "kind": "bool",
                    "lValueRequested": false,
                    "nodeType": "Literal",
                    "src": "1264:4:36",
                    "subdenomination": null,
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    },
                    "value": "true"
                  },
                  "functionReturnParameters": 19065,
                  "id": 19067,
                  "nodeType": "Return",
                  "src": "1257:11:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "d260529c",
            "id": 19069,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "isV28OrHigher",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19062,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1217:2:36"
            },
            "returnParameters": {
              "id": 19065,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19064,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19069,
                  "src": "1241:4:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 19063,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "1241:4:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1240:6:36"
            },
            "scope": 19077,
            "src": "1195:80:36",
            "stateMutability": "pure",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 19075,
              "nodeType": "Block",
              "src": "1308:25:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [],
                    "expression": {
                      "argumentTypes": [],
                      "id": 19072,
                      "name": "revert",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [
                        -19,
                        -19
                      ],
                      "referencedDeclaration": -19,
                      "src": "1318:6:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_revert_pure$__$returns$__$",
                        "typeString": "function () pure"
                      }
                    },
                    "id": 19073,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1318:8:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 19074,
                  "nodeType": "ExpressionStatement",
                  "src": "1318:8:36"
                }
              ]
            },
            "documentation": null,
            "id": 19076,
            "implemented": true,
            "kind": "receive",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19070,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1288:2:36"
            },
            "returnParameters": {
              "id": 19071,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1308:0:36"
            },
            "scope": 19077,
            "src": "1281:52:36",
            "stateMutability": "payable",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "1147:188:36"
      },
      {
        "abstract": false,
        "baseContracts": [
          {
            "arguments": null,
            "baseName": {
              "contractScope": null,
              "id": 19078,
              "name": "BancorNetwork",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 1976,
              "src": "1367:13:36",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_BancorNetwork_$1976",
                "typeString": "contract BancorNetwork"
              }
            },
            "id": 19079,
            "nodeType": "InheritanceSpecifier",
            "src": "1367:13:36"
          }
        ],
        "contractDependencies": [
          1976,
          19001,
          19046,
          21719,
          21818,
          22242,
          22526,
          22575,
          22661,
          22847,
          22907
        ],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19188,
        "linearizedBaseContracts": [
          19188,
          1976,
          22242,
          21719,
          22575,
          22661,
          21818,
          22526,
          22907,
          22847
        ],
        "name": "TestBancorNetwork",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 19081,
            "mutability": "mutable",
            "name": "oldConverter",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19188,
            "src": "1387:33:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_contract$_OldConverter_$19001",
              "typeString": "contract OldConverter"
            },
            "typeName": {
              "contractScope": null,
              "id": 19080,
              "name": "OldConverter",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 19001,
              "src": "1387:12:36",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_OldConverter_$19001",
                "typeString": "contract OldConverter"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "constant": false,
            "id": 19083,
            "mutability": "mutable",
            "name": "newConverter",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19188,
            "src": "1426:33:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_contract$_NewConverter_$19046",
              "typeString": "contract NewConverter"
            },
            "typeName": {
              "contractScope": null,
              "id": 19082,
              "name": "NewConverter",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 19046,
              "src": "1426:12:36",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_NewConverter_$19046",
                "typeString": "contract NewConverter"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "body": {
              "id": 19113,
              "nodeType": "Block",
              "src": "1561:113:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19103,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 19098,
                      "name": "oldConverter",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19081,
                      "src": "1571:12:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_contract$_OldConverter_$19001",
                        "typeString": "contract OldConverter"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "arguments": [
                        {
                          "argumentTypes": null,
                          "id": 19101,
                          "name": "_amount",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 19085,
                          "src": "1603:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        }
                      ],
                      "expression": {
                        "argumentTypes": [
                          {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        ],
                        "id": 19100,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "nodeType": "NewExpression",
                        "src": "1586:16:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_function_creation_nonpayable$_t_uint256_$returns$_t_contract$_OldConverter_$19001_$",
                          "typeString": "function (uint256) returns (contract OldConverter)"
                        },
                        "typeName": {
                          "contractScope": null,
                          "id": 19099,
                          "name": "OldConverter",
                          "nodeType": "UserDefinedTypeName",
                          "referencedDeclaration": 19001,
                          "src": "1590:12:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_contract$_OldConverter_$19001",
                            "typeString": "contract OldConverter"
                          }
                        }
                      },
                      "id": 19102,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "kind": "functionCall",
                      "lValueRequested": false,
                      "names": [],
                      "nodeType": "FunctionCall",
                      "src": "1586:25:36",
                      "tryCall": false,
                      "typeDescriptions": {
                        "typeIdentifier": "t_contract$_OldConverter_$19001",
                        "typeString": "contract OldConverter"
                      }
                    },
                    "src": "1571:40:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_OldConverter_$19001",
                      "typeString": "contract OldConverter"
                    }
                  },
                  "id": 19104,
                  "nodeType": "ExpressionStatement",
                  "src": "1571:40:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19111,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 19105,
                      "name": "newConverter",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19083,
                      "src": "1621:12:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_contract$_NewConverter_$19046",
                        "typeString": "contract NewConverter"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "arguments": [
                        {
                          "argumentTypes": null,
                          "id": 19108,
                          "name": "_amount",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 19085,
                          "src": "1653:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        },
                        {
                          "argumentTypes": null,
                          "id": 19109,
                          "name": "_fee",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 19087,
                          "src": "1662:4:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        }
                      ],
                      "expression": {
                        "argumentTypes": [
                          {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          },
                          {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        ],
                        "id": 19107,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "nodeType": "NewExpression",
                        "src": "1636:16:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_function_creation_nonpayable$_t_uint256_$_t_uint256_$returns$_t_contract$_NewConverter_$19046_$",
                          "typeString": "function (uint256,uint256) returns (contract NewConverter)"
                        },
                        "typeName": {
                          "contractScope": null,
                          "id": 19106,
                          "name": "NewConverter",
                          "nodeType": "UserDefinedTypeName",
                          "referencedDeclaration": 19046,
                          "src": "1640:12:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_contract$_NewConverter_$19046",
                            "typeString": "contract NewConverter"
                          }
                        }
                      },
                      "id": 19110,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "kind": "functionCall",
                      "lValueRequested": false,
                      "names": [],
                      "nodeType": "FunctionCall",
                      "src": "1636:31:36",
                      "tryCall": false,
                      "typeDescriptions": {
                        "typeIdentifier": "t_contract$_NewConverter_$19046",
                        "typeString": "contract NewConverter"
                      }
                    },
                    "src": "1621:46:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_NewConverter_$19046",
                      "typeString": "contract NewConverter"
                    }
                  },
                  "id": 19112,
                  "nodeType": "ExpressionStatement",
                  "src": "1621:46:36"
                }
              ]
            },
            "documentation": null,
            "id": 19114,
            "implemented": true,
            "kind": "constructor",
            "modifiers": [
              {
                "arguments": [
                  {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "31",
                            "id": 19093,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "1556:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_1_by_1",
                              "typeString": "int_const 1"
                            },
                            "value": "1"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_1_by_1",
                              "typeString": "int_const 1"
                            }
                          ],
                          "id": 19092,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "1548:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_address_$",
                            "typeString": "type(address)"
                          },
                          "typeName": {
                            "id": 19091,
                            "name": "address",
                            "nodeType": "ElementaryTypeName",
                            "src": "1548:7:36",
                            "typeDescriptions": {
                              "typeIdentifier": null,
                              "typeString": null
                            }
                          }
                        },
                        "id": 19094,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "1548:10:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        }
                      ],
                      "id": 19090,
                      "name": "IContractRegistry",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 22831,
                      "src": "1530:17:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_type$_t_contract$_IContractRegistry_$22831_$",
                        "typeString": "type(contract IContractRegistry)"
                      }
                    },
                    "id": 19095,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": true,
                    "kind": "typeConversion",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1530:29:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IContractRegistry_$22831",
                      "typeString": "contract IContractRegistry"
                    }
                  }
                ],
                "id": 19096,
                "modifierName": {
                  "argumentTypes": null,
                  "id": 19089,
                  "name": "BancorNetwork",
                  "nodeType": "Identifier",
                  "overloadedDeclarations": [],
                  "referencedDeclaration": 1976,
                  "src": "1516:13:36",
                  "typeDescriptions": {
                    "typeIdentifier": "t_type$_t_contract$_BancorNetwork_$1976_$",
                    "typeString": "type(contract BancorNetwork)"
                  }
                },
                "nodeType": "ModifierInvocation",
                "src": "1516:44:36"
              }
            ],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19088,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19085,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19114,
                  "src": "1478:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19084,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1478:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19087,
                  "mutability": "mutable",
                  "name": "_fee",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19114,
                  "src": "1495:12:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19086,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1495:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1477:31:36"
            },
            "returnParameters": {
              "id": 19097,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1561:0:36"
            },
            "scope": 19188,
            "src": "1466:208:36",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 19126,
              "nodeType": "Block",
              "src": "1772:64:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 19123,
                        "name": "_converter",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 19116,
                        "src": "1818:10:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        }
                      ],
                      "expression": {
                        "argumentTypes": null,
                        "id": 19121,
                        "name": "super",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": -25,
                        "src": "1789:5:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_super$_TestBancorNetwork_$19188",
                          "typeString": "contract super TestBancorNetwork"
                        }
                      },
                      "id": 19122,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "isV28OrHigherConverter",
                      "nodeType": "MemberAccess",
                      "referencedDeclaration": 1719,
                      "src": "1789:28:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_view$_t_contract$_IConverter_$13340_$returns$_t_bool_$",
                        "typeString": "function (contract IConverter) view returns (bool)"
                      }
                    },
                    "id": 19124,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1789:40:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "functionReturnParameters": 19120,
                  "id": 19125,
                  "nodeType": "Return",
                  "src": "1782:47:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "03613f39",
            "id": 19127,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "isV28OrHigherConverterExternal",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19117,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19116,
                  "mutability": "mutable",
                  "name": "_converter",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19127,
                  "src": "1720:21:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IConverter_$13340",
                    "typeString": "contract IConverter"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 19115,
                    "name": "IConverter",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 13340,
                    "src": "1720:10:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IConverter_$13340",
                      "typeString": "contract IConverter"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1719:23:36"
            },
            "returnParameters": {
              "id": 19120,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19119,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19127,
                  "src": "1766:4:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 19118,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "1766:4:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1765:6:36"
            },
            "scope": 19188,
            "src": "1680:156:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          },
          {
            "body": {
              "id": 19156,
              "nodeType": "Block",
              "src": "1907:121:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "arguments": [
                              {
                                "argumentTypes": null,
                                "arguments": [
                                  {
                                    "argumentTypes": null,
                                    "id": 19140,
                                    "name": "oldConverter",
                                    "nodeType": "Identifier",
                                    "overloadedDeclarations": [],
                                    "referencedDeclaration": 19081,
                                    "src": "1961:12:36",
                                    "typeDescriptions": {
                                      "typeIdentifier": "t_contract$_OldConverter_$19001",
                                      "typeString": "contract OldConverter"
                                    }
                                  }
                                ],
                                "expression": {
                                  "argumentTypes": [
                                    {
                                      "typeIdentifier": "t_contract$_OldConverter_$19001",
                                      "typeString": "contract OldConverter"
                                    }
                                  ],
                                  "id": 19139,
                                  "isConstant": false,
                                  "isLValue": false,
                                  "isPure": true,
                                  "lValueRequested": false,
                                  "nodeType": "ElementaryTypeNameExpression",
                                  "src": "1953:7:36",
                                  "typeDescriptions": {
                                    "typeIdentifier": "t_type$_t_address_$",
                                    "typeString": "type(address)"
                                  },
                                  "typeName": {
                                    "id": 19138,
                                    "name": "address",
                                    "nodeType": "ElementaryTypeName",
                                    "src": "1953:7:36",
                                    "typeDescriptions": {
                                      "typeIdentifier": null,
                                      "typeString": null
                                    }
                                  }
                                },
                                "id": 19141,
                                "isConstant": false,
                                "isLValue": false,
                                "isPure": false,
                                "kind": "typeConversion",
                                "lValueRequested": false,
                                "names": [],
                                "nodeType": "FunctionCall",
                                "src": "1953:21:36",
                                "tryCall": false,
                                "typeDescriptions": {
                                  "typeIdentifier": "t_address",
                                  "typeString": "address"
                                }
                              }
                            ],
                            "expression": {
                              "argumentTypes": [
                                {
                                  "typeIdentifier": "t_address",
                                  "typeString": "address"
                                }
                              ],
                              "id": 19137,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "lValueRequested": false,
                              "nodeType": "ElementaryTypeNameExpression",
                              "src": "1945:8:36",
                              "typeDescriptions": {
                                "typeIdentifier": "t_type$_t_address_payable_$",
                                "typeString": "type(address payable)"
                              },
                              "typeName": {
                                "id": 19136,
                                "name": "address",
                                "nodeType": "ElementaryTypeName",
                                "src": "1945:8:36",
                                "stateMutability": "payable",
                                "typeDescriptions": {
                                  "typeIdentifier": null,
                                  "typeString": null
                                }
                              }
                            },
                            "id": 19142,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": false,
                            "kind": "typeConversion",
                            "lValueRequested": false,
                            "names": [],
                            "nodeType": "FunctionCall",
                            "src": "1945:30:36",
                            "tryCall": false,
                            "typeDescriptions": {
                              "typeIdentifier": "t_address_payable",
                              "typeString": "address payable"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_address_payable",
                              "typeString": "address payable"
                            }
                          ],
                          "id": 19135,
                          "name": "IConverter",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 13340,
                          "src": "1934:10:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IConverter_$13340_$",
                            "typeString": "type(contract IConverter)"
                          }
                        },
                        "id": 19143,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "1934:42:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19145,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "1990:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19144,
                          "name": "IERC20Token",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21127,
                          "src": "1978:11:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20Token_$21127_$",
                            "typeString": "type(contract IERC20Token)"
                          }
                        },
                        "id": 19146,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "1978:14:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19148,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2006:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19147,
                          "name": "IERC20Token",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21127,
                          "src": "1994:11:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20Token_$21127_$",
                            "typeString": "type(contract IERC20Token)"
                          }
                        },
                        "id": 19149,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "1994:14:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19152,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2018:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19151,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "2010:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_uint256_$",
                            "typeString": "type(uint256)"
                          },
                          "typeName": {
                            "id": 19150,
                            "name": "uint256",
                            "nodeType": "ElementaryTypeName",
                            "src": "2010:7:36",
                            "typeDescriptions": {
                              "typeIdentifier": null,
                              "typeString": null
                            }
                          }
                        },
                        "id": 19153,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2010:10:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        },
                        {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        },
                        {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "id": 19134,
                      "name": "getReturn",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 1664,
                      "src": "1924:9:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_view$_t_contract$_IConverter_$13340_$_t_contract$_IERC20Token_$21127_$_t_contract$_IERC20Token_$21127_$_t_uint256_$returns$_t_uint256_$_t_uint256_$",
                        "typeString": "function (contract IConverter,contract IERC20Token,contract IERC20Token,uint256) view returns (uint256,uint256)"
                      }
                    },
                    "id": 19154,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1924:97:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$",
                      "typeString": "tuple(uint256,uint256)"
                    }
                  },
                  "functionReturnParameters": 19133,
                  "id": 19155,
                  "nodeType": "Return",
                  "src": "1917:104:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "98e95740",
            "id": 19157,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "getReturnOld",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19128,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1863:2:36"
            },
            "returnParameters": {
              "id": 19133,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19130,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19157,
                  "src": "1889:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19129,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1889:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19132,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19157,
                  "src": "1898:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19131,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1898:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1888:18:36"
            },
            "scope": 19188,
            "src": "1842:186:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          },
          {
            "body": {
              "id": 19186,
              "nodeType": "Block",
              "src": "2099:121:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "arguments": [
                              {
                                "argumentTypes": null,
                                "arguments": [
                                  {
                                    "argumentTypes": null,
                                    "id": 19170,
                                    "name": "newConverter",
                                    "nodeType": "Identifier",
                                    "overloadedDeclarations": [],
                                    "referencedDeclaration": 19083,
                                    "src": "2153:12:36",
                                    "typeDescriptions": {
                                      "typeIdentifier": "t_contract$_NewConverter_$19046",
                                      "typeString": "contract NewConverter"
                                    }
                                  }
                                ],
                                "expression": {
                                  "argumentTypes": [
                                    {
                                      "typeIdentifier": "t_contract$_NewConverter_$19046",
                                      "typeString": "contract NewConverter"
                                    }
                                  ],
                                  "id": 19169,
                                  "isConstant": false,
                                  "isLValue": false,
                                  "isPure": true,
                                  "lValueRequested": false,
                                  "nodeType": "ElementaryTypeNameExpression",
                                  "src": "2145:7:36",
                                  "typeDescriptions": {
                                    "typeIdentifier": "t_type$_t_address_$",
                                    "typeString": "type(address)"
                                  },
                                  "typeName": {
                                    "id": 19168,
                                    "name": "address",
                                    "nodeType": "ElementaryTypeName",
                                    "src": "2145:7:36",
                                    "typeDescriptions": {
                                      "typeIdentifier": null,
                                      "typeString": null
                                    }
                                  }
                                },
                                "id": 19171,
                                "isConstant": false,
                                "isLValue": false,
                                "isPure": false,
                                "kind": "typeConversion",
                                "lValueRequested": false,
                                "names": [],
                                "nodeType": "FunctionCall",
                                "src": "2145:21:36",
                                "tryCall": false,
                                "typeDescriptions": {
                                  "typeIdentifier": "t_address",
                                  "typeString": "address"
                                }
                              }
                            ],
                            "expression": {
                              "argumentTypes": [
                                {
                                  "typeIdentifier": "t_address",
                                  "typeString": "address"
                                }
                              ],
                              "id": 19167,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "lValueRequested": false,
                              "nodeType": "ElementaryTypeNameExpression",
                              "src": "2137:8:36",
                              "typeDescriptions": {
                                "typeIdentifier": "t_type$_t_address_payable_$",
                                "typeString": "type(address payable)"
                              },
                              "typeName": {
                                "id": 19166,
                                "name": "address",
                                "nodeType": "ElementaryTypeName",
                                "src": "2137:8:36",
                                "stateMutability": "payable",
                                "typeDescriptions": {
                                  "typeIdentifier": null,
                                  "typeString": null
                                }
                              }
                            },
                            "id": 19172,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": false,
                            "kind": "typeConversion",
                            "lValueRequested": false,
                            "names": [],
                            "nodeType": "FunctionCall",
                            "src": "2137:30:36",
                            "tryCall": false,
                            "typeDescriptions": {
                              "typeIdentifier": "t_address_payable",
                              "typeString": "address payable"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_address_payable",
                              "typeString": "address payable"
                            }
                          ],
                          "id": 19165,
                          "name": "IConverter",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 13340,
                          "src": "2126:10:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IConverter_$13340_$",
                            "typeString": "type(contract IConverter)"
                          }
                        },
                        "id": 19173,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2126:42:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19175,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2182:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19174,
                          "name": "IERC20Token",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21127,
                          "src": "2170:11:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20Token_$21127_$",
                            "typeString": "type(contract IERC20Token)"
                          }
                        },
                        "id": 19176,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2170:14:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19178,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2198:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19177,
                          "name": "IERC20Token",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21127,
                          "src": "2186:11:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20Token_$21127_$",
                            "typeString": "type(contract IERC20Token)"
                          }
                        },
                        "id": 19179,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2186:14:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19182,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2210:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19181,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "2202:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_uint256_$",
                            "typeString": "type(uint256)"
                          },
                          "typeName": {
                            "id": 19180,
                            "name": "uint256",
                            "nodeType": "ElementaryTypeName",
                            "src": "2202:7:36",
                            "typeDescriptions": {
                              "typeIdentifier": null,
                              "typeString": null
                            }
                          }
                        },
                        "id": 19183,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2202:10:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        },
                        {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        },
                        {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "id": 19164,
                      "name": "getReturn",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 1664,
                      "src": "2116:9:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_view$_t_contract$_IConverter_$13340_$_t_contract$_IERC20Token_$21127_$_t_contract$_IERC20Token_$21127_$_t_uint256_$returns$_t_uint256_$_t_uint256_$",
                        "typeString": "function (contract IConverter,contract IERC20Token,contract IERC20Token,uint256) view returns (uint256,uint256)"
                      }
                    },
                    "id": 19184,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "2116:97:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$",
                      "typeString": "tuple(uint256,uint256)"
                    }
                  },
                  "functionReturnParameters": 19163,
                  "id": 19185,
                  "nodeType": "Return",
                  "src": "2109:104:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "699e7546",
            "id": 19187,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "getReturnNew",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19158,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "2055:2:36"
            },
            "returnParameters": {
              "id": 19163,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19160,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19187,
                  "src": "2081:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19159,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "2081:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19162,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19187,
                  "src": "2090:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19161,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "2090:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "2080:18:36"
            },
            "scope": 19188,
            "src": "2034:186:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "1337:885:36"
      }
    ],
    "src": "51:2172:36"
  },
  "legacyAST": {
    "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/helpers/TestBancorNetwork.sol",
    "exportedSymbols": {
      "ConverterV27OrLowerWithFallback": [
        19052
      ],
      "ConverterV27OrLowerWithoutFallback": [
        19047
      ],
      "ConverterV28OrHigherWithFallback": [
        19077
      ],
      "ConverterV28OrHigherWithoutFallback": [
        19061
      ],
      "NewConverter": [
        19046
      ],
      "OldConverter": [
        19001
      ],
      "TestBancorNetwork": [
        19188
      ]
    },
    "id": 19189,
    "license": "SEE LICENSE IN LICENSE",
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 18966,
        "literals": [
          "solidity",
          "0.6",
          ".12"
        ],
        "nodeType": "PragmaDirective",
        "src": "51:23:36"
      },
      {
        "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/BancorNetwork.sol",
        "file": "../BancorNetwork.sol",
        "id": 18967,
        "nodeType": "ImportDirective",
        "scope": 19189,
        "sourceUnit": 1977,
        "src": "75:30:36",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19001,
        "linearizedBaseContracts": [
          19001
        ],
        "name": "OldConverter",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 18969,
            "mutability": "mutable",
            "name": "amount",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19001,
            "src": "135:22:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_uint256",
              "typeString": "uint256"
            },
            "typeName": {
              "id": 18968,
              "name": "uint256",
              "nodeType": "ElementaryTypeName",
              "src": "135:7:36",
              "typeDescriptions": {
                "typeIdentifier": "t_uint256",
                "typeString": "uint256"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "body": {
              "id": 18978,
              "nodeType": "Block",
              "src": "200:33:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 18976,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 18974,
                      "name": "amount",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 18969,
                      "src": "210:6:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 18975,
                      "name": "_amount",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 18971,
                      "src": "219:7:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "src": "210:16:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 18977,
                  "nodeType": "ExpressionStatement",
                  "src": "210:16:36"
                }
              ]
            },
            "documentation": null,
            "id": 18979,
            "implemented": true,
            "kind": "constructor",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 18972,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18971,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 18979,
                  "src": "176:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 18970,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "176:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "175:17:36"
            },
            "returnParameters": {
              "id": 18973,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "200:0:36"
            },
            "scope": 19001,
            "src": "164:69:36",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 18999,
              "nodeType": "Block",
              "src": "359:93:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 18990,
                    "name": "_sourceToken",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 18981,
                    "src": "369:12:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "id": 18991,
                  "nodeType": "ExpressionStatement",
                  "src": "369:12:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 18992,
                    "name": "_targetToken",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 18983,
                    "src": "391:12:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "id": 18993,
                  "nodeType": "ExpressionStatement",
                  "src": "391:12:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 18994,
                    "name": "_amount",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 18985,
                    "src": "413:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 18995,
                  "nodeType": "ExpressionStatement",
                  "src": "413:7:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "components": [
                      {
                        "argumentTypes": null,
                        "id": 18996,
                        "name": "amount",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 18969,
                        "src": "438:6:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "id": 18997,
                    "isConstant": false,
                    "isInlineArray": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "nodeType": "TupleExpression",
                    "src": "437:8:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "functionReturnParameters": 18989,
                  "id": 18998,
                  "nodeType": "Return",
                  "src": "430:15:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "1e1401f8",
            "id": 19000,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "getReturn",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 18986,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18981,
                  "mutability": "mutable",
                  "name": "_sourceToken",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19000,
                  "src": "258:24:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IERC20Token_$21127",
                    "typeString": "contract IERC20Token"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 18980,
                    "name": "IERC20Token",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 21127,
                    "src": "258:11:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18983,
                  "mutability": "mutable",
                  "name": "_targetToken",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19000,
                  "src": "284:24:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IERC20Token_$21127",
                    "typeString": "contract IERC20Token"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 18982,
                    "name": "IERC20Token",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 21127,
                    "src": "284:11:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18985,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19000,
                  "src": "310:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 18984,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "310:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "257:69:36"
            },
            "returnParameters": {
              "id": 18989,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18988,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19000,
                  "src": "350:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 18987,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "350:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "349:9:36"
            },
            "scope": 19001,
            "src": "239:213:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "107:347:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19046,
        "linearizedBaseContracts": [
          19046
        ],
        "name": "NewConverter",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 19003,
            "mutability": "mutable",
            "name": "amount",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19046,
            "src": "484:22:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_uint256",
              "typeString": "uint256"
            },
            "typeName": {
              "id": 19002,
              "name": "uint256",
              "nodeType": "ElementaryTypeName",
              "src": "484:7:36",
              "typeDescriptions": {
                "typeIdentifier": "t_uint256",
                "typeString": "uint256"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "constant": false,
            "id": 19005,
            "mutability": "mutable",
            "name": "fee",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19046,
            "src": "512:19:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_uint256",
              "typeString": "uint256"
            },
            "typeName": {
              "id": 19004,
              "name": "uint256",
              "nodeType": "ElementaryTypeName",
              "src": "512:7:36",
              "typeDescriptions": {
                "typeIdentifier": "t_uint256",
                "typeString": "uint256"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "body": {
              "id": 19020,
              "nodeType": "Block",
              "src": "588:53:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19014,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 19012,
                      "name": "amount",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19003,
                      "src": "598:6:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 19013,
                      "name": "_amount",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19007,
                      "src": "607:7:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "src": "598:16:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 19015,
                  "nodeType": "ExpressionStatement",
                  "src": "598:16:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19018,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 19016,
                      "name": "fee",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19005,
                      "src": "624:3:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 19017,
                      "name": "_fee",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19009,
                      "src": "630:4:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      }
                    },
                    "src": "624:10:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 19019,
                  "nodeType": "ExpressionStatement",
                  "src": "624:10:36"
                }
              ]
            },
            "documentation": null,
            "id": 19021,
            "implemented": true,
            "kind": "constructor",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19010,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19007,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19021,
                  "src": "550:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19006,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "550:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19009,
                  "mutability": "mutable",
                  "name": "_fee",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19021,
                  "src": "567:12:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19008,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "567:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "549:31:36"
            },
            "returnParameters": {
              "id": 19011,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "588:0:36"
            },
            "scope": 19046,
            "src": "538:103:36",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 19044,
              "nodeType": "Block",
              "src": "776:98:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19034,
                    "name": "_sourceToken",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 19023,
                    "src": "786:12:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "id": 19035,
                  "nodeType": "ExpressionStatement",
                  "src": "786:12:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19036,
                    "name": "_targetToken",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 19025,
                    "src": "808:12:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "id": 19037,
                  "nodeType": "ExpressionStatement",
                  "src": "808:12:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19038,
                    "name": "_amount",
                    "nodeType": "Identifier",
                    "overloadedDeclarations": [],
                    "referencedDeclaration": 19027,
                    "src": "830:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "id": 19039,
                  "nodeType": "ExpressionStatement",
                  "src": "830:7:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "components": [
                      {
                        "argumentTypes": null,
                        "id": 19040,
                        "name": "amount",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 19003,
                        "src": "855:6:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "id": 19041,
                        "name": "fee",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 19005,
                        "src": "863:3:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "id": 19042,
                    "isConstant": false,
                    "isInlineArray": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "nodeType": "TupleExpression",
                    "src": "854:13:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$",
                      "typeString": "tuple(uint256,uint256)"
                    }
                  },
                  "functionReturnParameters": 19033,
                  "id": 19043,
                  "nodeType": "Return",
                  "src": "847:20:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "1e1401f8",
            "id": 19045,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "getReturn",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19028,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19023,
                  "mutability": "mutable",
                  "name": "_sourceToken",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "666:24:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IERC20Token_$21127",
                    "typeString": "contract IERC20Token"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 19022,
                    "name": "IERC20Token",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 21127,
                    "src": "666:11:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19025,
                  "mutability": "mutable",
                  "name": "_targetToken",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "692:24:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IERC20Token_$21127",
                    "typeString": "contract IERC20Token"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 19024,
                    "name": "IERC20Token",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 21127,
                    "src": "692:11:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IERC20Token_$21127",
                      "typeString": "contract IERC20Token"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19027,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "718:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19026,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "718:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "665:69:36"
            },
            "returnParameters": {
              "id": 19033,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19030,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "758:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19029,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "758:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19032,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19045,
                  "src": "767:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19031,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "767:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "757:18:36"
            },
            "scope": 19046,
            "src": "647:227:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "456:420:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19047,
        "linearizedBaseContracts": [
          19047
        ],
        "name": "ConverterV27OrLowerWithoutFallback",
        "nodeType": "ContractDefinition",
        "nodes": [],
        "scope": 19189,
        "src": "878:47:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19052,
        "linearizedBaseContracts": [
          19052
        ],
        "name": "ConverterV27OrLowerWithFallback",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 19050,
              "nodeType": "Block",
              "src": "1001:7:36",
              "statements": []
            },
            "documentation": null,
            "id": 19051,
            "implemented": true,
            "kind": "receive",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19048,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "981:2:36"
            },
            "returnParameters": {
              "id": 19049,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1001:0:36"
            },
            "scope": 19052,
            "src": "974:34:36",
            "stateMutability": "payable",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "927:83:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19061,
        "linearizedBaseContracts": [
          19061
        ],
        "name": "ConverterV28OrHigherWithoutFallback",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 19059,
              "nodeType": "Block",
              "src": "1115:28:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "hexValue": "74727565",
                    "id": 19057,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": true,
                    "kind": "bool",
                    "lValueRequested": false,
                    "nodeType": "Literal",
                    "src": "1132:4:36",
                    "subdenomination": null,
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    },
                    "value": "true"
                  },
                  "functionReturnParameters": 19056,
                  "id": 19058,
                  "nodeType": "Return",
                  "src": "1125:11:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "d260529c",
            "id": 19060,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "isV28OrHigher",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19053,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1085:2:36"
            },
            "returnParameters": {
              "id": 19056,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19055,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19060,
                  "src": "1109:4:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 19054,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "1109:4:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1108:6:36"
            },
            "scope": 19061,
            "src": "1063:80:36",
            "stateMutability": "pure",
            "virtual": false,
            "visibility": "public"
          }
        ],
        "scope": 19189,
        "src": "1012:133:36"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19077,
        "linearizedBaseContracts": [
          19077
        ],
        "name": "ConverterV28OrHigherWithFallback",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 19068,
              "nodeType": "Block",
              "src": "1247:28:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "hexValue": "74727565",
                    "id": 19066,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": true,
                    "kind": "bool",
                    "lValueRequested": false,
                    "nodeType": "Literal",
                    "src": "1264:4:36",
                    "subdenomination": null,
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    },
                    "value": "true"
                  },
                  "functionReturnParameters": 19065,
                  "id": 19067,
                  "nodeType": "Return",
                  "src": "1257:11:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "d260529c",
            "id": 19069,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "isV28OrHigher",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19062,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1217:2:36"
            },
            "returnParameters": {
              "id": 19065,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19064,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19069,
                  "src": "1241:4:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 19063,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "1241:4:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1240:6:36"
            },
            "scope": 19077,
            "src": "1195:80:36",
            "stateMutability": "pure",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 19075,
              "nodeType": "Block",
              "src": "1308:25:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [],
                    "expression": {
                      "argumentTypes": [],
                      "id": 19072,
                      "name": "revert",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [
                        -19,
                        -19
                      ],
                      "referencedDeclaration": -19,
                      "src": "1318:6:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_revert_pure$__$returns$__$",
                        "typeString": "function () pure"
                      }
                    },
                    "id": 19073,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1318:8:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 19074,
                  "nodeType": "ExpressionStatement",
                  "src": "1318:8:36"
                }
              ]
            },
            "documentation": null,
            "id": 19076,
            "implemented": true,
            "kind": "receive",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19070,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1288:2:36"
            },
            "returnParameters": {
              "id": 19071,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1308:0:36"
            },
            "scope": 19077,
            "src": "1281:52:36",
            "stateMutability": "payable",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "1147:188:36"
      },
      {
        "abstract": false,
        "baseContracts": [
          {
            "arguments": null,
            "baseName": {
              "contractScope": null,
              "id": 19078,
              "name": "BancorNetwork",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 1976,
              "src": "1367:13:36",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_BancorNetwork_$1976",
                "typeString": "contract BancorNetwork"
              }
            },
            "id": 19079,
            "nodeType": "InheritanceSpecifier",
            "src": "1367:13:36"
          }
        ],
        "contractDependencies": [
          1976,
          19001,
          19046,
          21719,
          21818,
          22242,
          22526,
          22575,
          22661,
          22847,
          22907
        ],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 19188,
        "linearizedBaseContracts": [
          19188,
          1976,
          22242,
          21719,
          22575,
          22661,
          21818,
          22526,
          22907,
          22847
        ],
        "name": "TestBancorNetwork",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 19081,
            "mutability": "mutable",
            "name": "oldConverter",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19188,
            "src": "1387:33:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_contract$_OldConverter_$19001",
              "typeString": "contract OldConverter"
            },
            "typeName": {
              "contractScope": null,
              "id": 19080,
              "name": "OldConverter",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 19001,
              "src": "1387:12:36",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_OldConverter_$19001",
                "typeString": "contract OldConverter"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "constant": false,
            "id": 19083,
            "mutability": "mutable",
            "name": "newConverter",
            "nodeType": "VariableDeclaration",
            "overrides": null,
            "scope": 19188,
            "src": "1426:33:36",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_contract$_NewConverter_$19046",
              "typeString": "contract NewConverter"
            },
            "typeName": {
              "contractScope": null,
              "id": 19082,
              "name": "NewConverter",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 19046,
              "src": "1426:12:36",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_NewConverter_$19046",
                "typeString": "contract NewConverter"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "body": {
              "id": 19113,
              "nodeType": "Block",
              "src": "1561:113:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19103,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 19098,
                      "name": "oldConverter",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19081,
                      "src": "1571:12:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_contract$_OldConverter_$19001",
                        "typeString": "contract OldConverter"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "arguments": [
                        {
                          "argumentTypes": null,
                          "id": 19101,
                          "name": "_amount",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 19085,
                          "src": "1603:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        }
                      ],
                      "expression": {
                        "argumentTypes": [
                          {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        ],
                        "id": 19100,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "nodeType": "NewExpression",
                        "src": "1586:16:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_function_creation_nonpayable$_t_uint256_$returns$_t_contract$_OldConverter_$19001_$",
                          "typeString": "function (uint256) returns (contract OldConverter)"
                        },
                        "typeName": {
                          "contractScope": null,
                          "id": 19099,
                          "name": "OldConverter",
                          "nodeType": "UserDefinedTypeName",
                          "referencedDeclaration": 19001,
                          "src": "1590:12:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_contract$_OldConverter_$19001",
                            "typeString": "contract OldConverter"
                          }
                        }
                      },
                      "id": 19102,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "kind": "functionCall",
                      "lValueRequested": false,
                      "names": [],
                      "nodeType": "FunctionCall",
                      "src": "1586:25:36",
                      "tryCall": false,
                      "typeDescriptions": {
                        "typeIdentifier": "t_contract$_OldConverter_$19001",
                        "typeString": "contract OldConverter"
                      }
                    },
                    "src": "1571:40:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_OldConverter_$19001",
                      "typeString": "contract OldConverter"
                    }
                  },
                  "id": 19104,
                  "nodeType": "ExpressionStatement",
                  "src": "1571:40:36"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 19111,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 19105,
                      "name": "newConverter",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 19083,
                      "src": "1621:12:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_contract$_NewConverter_$19046",
                        "typeString": "contract NewConverter"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "arguments": [
                        {
                          "argumentTypes": null,
                          "id": 19108,
                          "name": "_amount",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 19085,
                          "src": "1653:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        },
                        {
                          "argumentTypes": null,
                          "id": 19109,
                          "name": "_fee",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 19087,
                          "src": "1662:4:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        }
                      ],
                      "expression": {
                        "argumentTypes": [
                          {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          },
                          {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        ],
                        "id": 19107,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "nodeType": "NewExpression",
                        "src": "1636:16:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_function_creation_nonpayable$_t_uint256_$_t_uint256_$returns$_t_contract$_NewConverter_$19046_$",
                          "typeString": "function (uint256,uint256) returns (contract NewConverter)"
                        },
                        "typeName": {
                          "contractScope": null,
                          "id": 19106,
                          "name": "NewConverter",
                          "nodeType": "UserDefinedTypeName",
                          "referencedDeclaration": 19046,
                          "src": "1640:12:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_contract$_NewConverter_$19046",
                            "typeString": "contract NewConverter"
                          }
                        }
                      },
                      "id": 19110,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "kind": "functionCall",
                      "lValueRequested": false,
                      "names": [],
                      "nodeType": "FunctionCall",
                      "src": "1636:31:36",
                      "tryCall": false,
                      "typeDescriptions": {
                        "typeIdentifier": "t_contract$_NewConverter_$19046",
                        "typeString": "contract NewConverter"
                      }
                    },
                    "src": "1621:46:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_NewConverter_$19046",
                      "typeString": "contract NewConverter"
                    }
                  },
                  "id": 19112,
                  "nodeType": "ExpressionStatement",
                  "src": "1621:46:36"
                }
              ]
            },
            "documentation": null,
            "id": 19114,
            "implemented": true,
            "kind": "constructor",
            "modifiers": [
              {
                "arguments": [
                  {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "31",
                            "id": 19093,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "1556:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_1_by_1",
                              "typeString": "int_const 1"
                            },
                            "value": "1"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_1_by_1",
                              "typeString": "int_const 1"
                            }
                          ],
                          "id": 19092,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "1548:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_address_$",
                            "typeString": "type(address)"
                          },
                          "typeName": {
                            "id": 19091,
                            "name": "address",
                            "nodeType": "ElementaryTypeName",
                            "src": "1548:7:36",
                            "typeDescriptions": {
                              "typeIdentifier": null,
                              "typeString": null
                            }
                          }
                        },
                        "id": 19094,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "1548:10:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        }
                      ],
                      "id": 19090,
                      "name": "IContractRegistry",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 22831,
                      "src": "1530:17:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_type$_t_contract$_IContractRegistry_$22831_$",
                        "typeString": "type(contract IContractRegistry)"
                      }
                    },
                    "id": 19095,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": true,
                    "kind": "typeConversion",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1530:29:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IContractRegistry_$22831",
                      "typeString": "contract IContractRegistry"
                    }
                  }
                ],
                "id": 19096,
                "modifierName": {
                  "argumentTypes": null,
                  "id": 19089,
                  "name": "BancorNetwork",
                  "nodeType": "Identifier",
                  "overloadedDeclarations": [],
                  "referencedDeclaration": 1976,
                  "src": "1516:13:36",
                  "typeDescriptions": {
                    "typeIdentifier": "t_type$_t_contract$_BancorNetwork_$1976_$",
                    "typeString": "type(contract BancorNetwork)"
                  }
                },
                "nodeType": "ModifierInvocation",
                "src": "1516:44:36"
              }
            ],
            "name": "",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19088,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19085,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19114,
                  "src": "1478:15:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19084,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1478:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19087,
                  "mutability": "mutable",
                  "name": "_fee",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19114,
                  "src": "1495:12:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19086,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1495:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1477:31:36"
            },
            "returnParameters": {
              "id": 19097,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1561:0:36"
            },
            "scope": 19188,
            "src": "1466:208:36",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 19126,
              "nodeType": "Block",
              "src": "1772:64:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 19123,
                        "name": "_converter",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 19116,
                        "src": "1818:10:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        }
                      ],
                      "expression": {
                        "argumentTypes": null,
                        "id": 19121,
                        "name": "super",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": -25,
                        "src": "1789:5:36",
                        "typeDescriptions": {
                          "typeIdentifier": "t_super$_TestBancorNetwork_$19188",
                          "typeString": "contract super TestBancorNetwork"
                        }
                      },
                      "id": 19122,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "isV28OrHigherConverter",
                      "nodeType": "MemberAccess",
                      "referencedDeclaration": 1719,
                      "src": "1789:28:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_view$_t_contract$_IConverter_$13340_$returns$_t_bool_$",
                        "typeString": "function (contract IConverter) view returns (bool)"
                      }
                    },
                    "id": 19124,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1789:40:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "functionReturnParameters": 19120,
                  "id": 19125,
                  "nodeType": "Return",
                  "src": "1782:47:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "03613f39",
            "id": 19127,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "isV28OrHigherConverterExternal",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19117,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19116,
                  "mutability": "mutable",
                  "name": "_converter",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19127,
                  "src": "1720:21:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_contract$_IConverter_$13340",
                    "typeString": "contract IConverter"
                  },
                  "typeName": {
                    "contractScope": null,
                    "id": 19115,
                    "name": "IConverter",
                    "nodeType": "UserDefinedTypeName",
                    "referencedDeclaration": 13340,
                    "src": "1720:10:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_contract$_IConverter_$13340",
                      "typeString": "contract IConverter"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1719:23:36"
            },
            "returnParameters": {
              "id": 19120,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19119,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19127,
                  "src": "1766:4:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 19118,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "1766:4:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1765:6:36"
            },
            "scope": 19188,
            "src": "1680:156:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          },
          {
            "body": {
              "id": 19156,
              "nodeType": "Block",
              "src": "1907:121:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "arguments": [
                              {
                                "argumentTypes": null,
                                "arguments": [
                                  {
                                    "argumentTypes": null,
                                    "id": 19140,
                                    "name": "oldConverter",
                                    "nodeType": "Identifier",
                                    "overloadedDeclarations": [],
                                    "referencedDeclaration": 19081,
                                    "src": "1961:12:36",
                                    "typeDescriptions": {
                                      "typeIdentifier": "t_contract$_OldConverter_$19001",
                                      "typeString": "contract OldConverter"
                                    }
                                  }
                                ],
                                "expression": {
                                  "argumentTypes": [
                                    {
                                      "typeIdentifier": "t_contract$_OldConverter_$19001",
                                      "typeString": "contract OldConverter"
                                    }
                                  ],
                                  "id": 19139,
                                  "isConstant": false,
                                  "isLValue": false,
                                  "isPure": true,
                                  "lValueRequested": false,
                                  "nodeType": "ElementaryTypeNameExpression",
                                  "src": "1953:7:36",
                                  "typeDescriptions": {
                                    "typeIdentifier": "t_type$_t_address_$",
                                    "typeString": "type(address)"
                                  },
                                  "typeName": {
                                    "id": 19138,
                                    "name": "address",
                                    "nodeType": "ElementaryTypeName",
                                    "src": "1953:7:36",
                                    "typeDescriptions": {
                                      "typeIdentifier": null,
                                      "typeString": null
                                    }
                                  }
                                },
                                "id": 19141,
                                "isConstant": false,
                                "isLValue": false,
                                "isPure": false,
                                "kind": "typeConversion",
                                "lValueRequested": false,
                                "names": [],
                                "nodeType": "FunctionCall",
                                "src": "1953:21:36",
                                "tryCall": false,
                                "typeDescriptions": {
                                  "typeIdentifier": "t_address",
                                  "typeString": "address"
                                }
                              }
                            ],
                            "expression": {
                              "argumentTypes": [
                                {
                                  "typeIdentifier": "t_address",
                                  "typeString": "address"
                                }
                              ],
                              "id": 19137,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "lValueRequested": false,
                              "nodeType": "ElementaryTypeNameExpression",
                              "src": "1945:8:36",
                              "typeDescriptions": {
                                "typeIdentifier": "t_type$_t_address_payable_$",
                                "typeString": "type(address payable)"
                              },
                              "typeName": {
                                "id": 19136,
                                "name": "address",
                                "nodeType": "ElementaryTypeName",
                                "src": "1945:8:36",
                                "stateMutability": "payable",
                                "typeDescriptions": {
                                  "typeIdentifier": null,
                                  "typeString": null
                                }
                              }
                            },
                            "id": 19142,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": false,
                            "kind": "typeConversion",
                            "lValueRequested": false,
                            "names": [],
                            "nodeType": "FunctionCall",
                            "src": "1945:30:36",
                            "tryCall": false,
                            "typeDescriptions": {
                              "typeIdentifier": "t_address_payable",
                              "typeString": "address payable"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_address_payable",
                              "typeString": "address payable"
                            }
                          ],
                          "id": 19135,
                          "name": "IConverter",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 13340,
                          "src": "1934:10:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IConverter_$13340_$",
                            "typeString": "type(contract IConverter)"
                          }
                        },
                        "id": 19143,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "1934:42:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19145,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "1990:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19144,
                          "name": "IERC20Token",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21127,
                          "src": "1978:11:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20Token_$21127_$",
                            "typeString": "type(contract IERC20Token)"
                          }
                        },
                        "id": 19146,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "1978:14:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19148,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2006:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19147,
                          "name": "IERC20Token",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21127,
                          "src": "1994:11:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20Token_$21127_$",
                            "typeString": "type(contract IERC20Token)"
                          }
                        },
                        "id": 19149,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "1994:14:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19152,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2018:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19151,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "2010:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_uint256_$",
                            "typeString": "type(uint256)"
                          },
                          "typeName": {
                            "id": 19150,
                            "name": "uint256",
                            "nodeType": "ElementaryTypeName",
                            "src": "2010:7:36",
                            "typeDescriptions": {
                              "typeIdentifier": null,
                              "typeString": null
                            }
                          }
                        },
                        "id": 19153,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2010:10:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        },
                        {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        },
                        {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "id": 19134,
                      "name": "getReturn",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 1664,
                      "src": "1924:9:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_view$_t_contract$_IConverter_$13340_$_t_contract$_IERC20Token_$21127_$_t_contract$_IERC20Token_$21127_$_t_uint256_$returns$_t_uint256_$_t_uint256_$",
                        "typeString": "function (contract IConverter,contract IERC20Token,contract IERC20Token,uint256) view returns (uint256,uint256)"
                      }
                    },
                    "id": 19154,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1924:97:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$",
                      "typeString": "tuple(uint256,uint256)"
                    }
                  },
                  "functionReturnParameters": 19133,
                  "id": 19155,
                  "nodeType": "Return",
                  "src": "1917:104:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "98e95740",
            "id": 19157,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "getReturnOld",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19128,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1863:2:36"
            },
            "returnParameters": {
              "id": 19133,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19130,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19157,
                  "src": "1889:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19129,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1889:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19132,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19157,
                  "src": "1898:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19131,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1898:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1888:18:36"
            },
            "scope": 19188,
            "src": "1842:186:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          },
          {
            "body": {
              "id": 19186,
              "nodeType": "Block",
              "src": "2099:121:36",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "arguments": [
                              {
                                "argumentTypes": null,
                                "arguments": [
                                  {
                                    "argumentTypes": null,
                                    "id": 19170,
                                    "name": "newConverter",
                                    "nodeType": "Identifier",
                                    "overloadedDeclarations": [],
                                    "referencedDeclaration": 19083,
                                    "src": "2153:12:36",
                                    "typeDescriptions": {
                                      "typeIdentifier": "t_contract$_NewConverter_$19046",
                                      "typeString": "contract NewConverter"
                                    }
                                  }
                                ],
                                "expression": {
                                  "argumentTypes": [
                                    {
                                      "typeIdentifier": "t_contract$_NewConverter_$19046",
                                      "typeString": "contract NewConverter"
                                    }
                                  ],
                                  "id": 19169,
                                  "isConstant": false,
                                  "isLValue": false,
                                  "isPure": true,
                                  "lValueRequested": false,
                                  "nodeType": "ElementaryTypeNameExpression",
                                  "src": "2145:7:36",
                                  "typeDescriptions": {
                                    "typeIdentifier": "t_type$_t_address_$",
                                    "typeString": "type(address)"
                                  },
                                  "typeName": {
                                    "id": 19168,
                                    "name": "address",
                                    "nodeType": "ElementaryTypeName",
                                    "src": "2145:7:36",
                                    "typeDescriptions": {
                                      "typeIdentifier": null,
                                      "typeString": null
                                    }
                                  }
                                },
                                "id": 19171,
                                "isConstant": false,
                                "isLValue": false,
                                "isPure": false,
                                "kind": "typeConversion",
                                "lValueRequested": false,
                                "names": [],
                                "nodeType": "FunctionCall",
                                "src": "2145:21:36",
                                "tryCall": false,
                                "typeDescriptions": {
                                  "typeIdentifier": "t_address",
                                  "typeString": "address"
                                }
                              }
                            ],
                            "expression": {
                              "argumentTypes": [
                                {
                                  "typeIdentifier": "t_address",
                                  "typeString": "address"
                                }
                              ],
                              "id": 19167,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "lValueRequested": false,
                              "nodeType": "ElementaryTypeNameExpression",
                              "src": "2137:8:36",
                              "typeDescriptions": {
                                "typeIdentifier": "t_type$_t_address_payable_$",
                                "typeString": "type(address payable)"
                              },
                              "typeName": {
                                "id": 19166,
                                "name": "address",
                                "nodeType": "ElementaryTypeName",
                                "src": "2137:8:36",
                                "stateMutability": "payable",
                                "typeDescriptions": {
                                  "typeIdentifier": null,
                                  "typeString": null
                                }
                              }
                            },
                            "id": 19172,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": false,
                            "kind": "typeConversion",
                            "lValueRequested": false,
                            "names": [],
                            "nodeType": "FunctionCall",
                            "src": "2137:30:36",
                            "tryCall": false,
                            "typeDescriptions": {
                              "typeIdentifier": "t_address_payable",
                              "typeString": "address payable"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_address_payable",
                              "typeString": "address payable"
                            }
                          ],
                          "id": 19165,
                          "name": "IConverter",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 13340,
                          "src": "2126:10:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IConverter_$13340_$",
                            "typeString": "type(contract IConverter)"
                          }
                        },
                        "id": 19173,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2126:42:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19175,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2182:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19174,
                          "name": "IERC20Token",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21127,
                          "src": "2170:11:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20Token_$21127_$",
                            "typeString": "type(contract IERC20Token)"
                          }
                        },
                        "id": 19176,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2170:14:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19178,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2198:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19177,
                          "name": "IERC20Token",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21127,
                          "src": "2186:11:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20Token_$21127_$",
                            "typeString": "type(contract IERC20Token)"
                          }
                        },
                        "id": 19179,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2186:14:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "hexValue": "30",
                            "id": 19182,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "kind": "number",
                            "lValueRequested": false,
                            "nodeType": "Literal",
                            "src": "2210:1:36",
                            "subdenomination": null,
                            "typeDescriptions": {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            },
                            "value": "0"
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_rational_0_by_1",
                              "typeString": "int_const 0"
                            }
                          ],
                          "id": 19181,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "2202:7:36",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_uint256_$",
                            "typeString": "type(uint256)"
                          },
                          "typeName": {
                            "id": 19180,
                            "name": "uint256",
                            "nodeType": "ElementaryTypeName",
                            "src": "2202:7:36",
                            "typeDescriptions": {
                              "typeIdentifier": null,
                              "typeString": null
                            }
                          }
                        },
                        "id": 19183,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "2202:10:36",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_contract$_IConverter_$13340",
                          "typeString": "contract IConverter"
                        },
                        {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        },
                        {
                          "typeIdentifier": "t_contract$_IERC20Token_$21127",
                          "typeString": "contract IERC20Token"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "id": 19164,
                      "name": "getReturn",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 1664,
                      "src": "2116:9:36",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_view$_t_contract$_IConverter_$13340_$_t_contract$_IERC20Token_$21127_$_t_contract$_IERC20Token_$21127_$_t_uint256_$returns$_t_uint256_$_t_uint256_$",
                        "typeString": "function (contract IConverter,contract IERC20Token,contract IERC20Token,uint256) view returns (uint256,uint256)"
                      }
                    },
                    "id": 19184,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "2116:97:36",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$",
                      "typeString": "tuple(uint256,uint256)"
                    }
                  },
                  "functionReturnParameters": 19163,
                  "id": 19185,
                  "nodeType": "Return",
                  "src": "2109:104:36"
                }
              ]
            },
            "documentation": null,
            "functionSelector": "699e7546",
            "id": 19187,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "getReturnNew",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 19158,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "2055:2:36"
            },
            "returnParameters": {
              "id": 19163,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 19160,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19187,
                  "src": "2081:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19159,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "2081:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 19162,
                  "mutability": "mutable",
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 19187,
                  "src": "2090:7:36",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 19161,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "2090:7:36",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "2080:18:36"
            },
            "scope": 19188,
            "src": "2034:186:36",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 19189,
        "src": "1337:885:36"
      }
    ],
    "src": "51:2172:36"
  },
  "compiler": {
    "name": "solc",
    "version": "0.6.12+commit.27d51765.Emscripten.clang"
  },
  "networks": {},
  "schemaVersion": "3.2.3",
  "updatedAt": "2020-10-20T08:24:47.801Z",
  "devdoc": {
    "kind": "dev",
    "methods": {},
    "version": 1
  },
  "userdoc": {
    "kind": "user",
    "methods": {},
    "version": 1
  }
}