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  "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",
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