{ "contractName": "PairMentoV2", "abi": [ { "stateMutability": "payable", "type": "receive" }, { "inputs": [ { "internalType": "address", "name": "input", "type": "address" }, { "internalType": "address", "name": "output", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "swap", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "parseData", "outputs": [ { "internalType": "address", "name": "broker", "type": "address" }, { "internalType": "address", "name": "exchangeProvider", "type": "address" }, { "internalType": "bytes32", "name": "exchangeId", "type": "bytes32" } ], "stateMutability": "pure", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "input", "type": "address" }, { "internalType": "address", "name": "output", "type": "address" }, { "internalType": "uint256", "name": "amountIn", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "getOutputAmount", "outputs": [ { "internalType": "uint256", "name": "amountOut", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.8+commit.0bbfe453\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"input\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"output\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"getOutputAmount\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"parseData\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"broker\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"exchangeProvider\",\"type\":\"address\"},{\"internalType\":\"bytes32\",\"name\":\"exchangeId\",\"type\":\"bytes32\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"input\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"output\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"swap\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"project:/contracts/swappa/PairMentoV2.sol\":\"PairMentoV2\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":10000},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/GSN/Context.sol\":{\"keccak256\":\"0xdb26cbf4d028490f49831a7865c2fe1b28db44b535ca8d343785a3b768aae183\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://840b14ce0315c47d49ba328f1f9fa7654ded1c9e1559e6c5e777a7b2dc28bf0a\",\"dweb:/ipfs/QmTLLabn4wcfGro9LEmUXUN2nwKqZSotXMvjDCLXEnLtZP\"]},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x9a9cf02622cd7a64261b10534fc3260449da25c98c9e96d1b4ae8110a20e5806\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://2df142592d1dc267d9549049ee3317fa190d2f87eaa565f86ab05ec83f7ab8f5\",\"dweb:/ipfs/QmSkJtcfWo7c42KnL5hho6GFxK6HRNV91XABx1P7xDtfLV\"]},\"@openzeppelin/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0x91e0bd6a6762d2a1700dab0849de8422611355100576c4beef1e80d82a4104a0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://73bbd77af0a8b07255d2ffa20728bcf13b116007c9ddac5d37046cfabb0e1e02\",\"dweb:/ipfs/QmRgZgWCWCSMTTaok6o4QvWA6MgB4goS8qpb3sN7bAvaZ9\"]},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x5c26b39d26f7ed489e555d955dcd3e01872972e71fdd1528e93ec164e4f23385\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://efdc632af6960cf865dbc113665ea1f5b90eab75cc40ec062b2f6ae6da582017\",\"dweb:/ipfs/QmfAZFDuG62vxmAN9DnXApv7e7PMzPqi4RkqqZHLMSQiY5\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0xf5fa8cbdffa5ef8be49b246b5628facc30b71707e78a45d80d93b64eff3fe390\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://774e78a9ff32792cc95db4d2ceaf3a7965bb7f0bea5e6cb7cff182b450d44b37\",\"dweb:/ipfs/QmRRMC4uj7eAcLW7chynA3sNEYULMFazdLwQHKHQPyzAbA\"]},\"project:/contracts/swappa/ISwappaPairV1.sol\":{\"keccak256\":\"0x3ad68981bda91ed83c5e9ee8617f08bb5e208208477fb755cc77077f127010ab\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8e4390b1bebc39f58bff34b9099a646ead67cef27b722ef61548487251cca719\",\"dweb:/ipfs/QmRWEuYyjHaS957VKWtTfDpzfqkXb2bvEsS33meAC76ZuU\"]},\"project:/contracts/swappa/PairMentoV2.sol\":{\"keccak256\":\"0x457366b80d0141982f3c6b410c6418aa6dde851f3866feeddaa56c27cd9eb335\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3d808e90d23735646f45fddc4311e63112c74ddc48d2099fa24c9fc1e774e969\",\"dweb:/ipfs/QmSLwrK7UvR569tT1J7K2ACybixnuvWqhGVicqkBVgRRns\"]}},\"version\":1}", 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"source": "// SPDX-License-Identifier: MIT\npragma solidity 0.6.8;\n\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"./ISwappaPairV1.sol\";\n\ninterface IBroker {\n function swapIn(\n address exchangeProvider,\n bytes32 exchangeId,\n address tokenIn,\n address tokenOut,\n uint256 amountIn,\n uint256 amountOutMin\n ) external returns (uint256 amountOut);\n\n function getAmountOut(\n address exchangeProvider,\n bytes32 exchangeId,\n address tokenIn,\n address tokenOut,\n uint256 amountIn\n ) external view returns (uint256 amountOut);\n}\n\ncontract PairMentoV2 is ISwappaPairV1 {\n function swap(\n address input,\n address output,\n address to,\n bytes calldata data\n ) external override {\n (\n address _broker,\n address exchangeProvider,\n bytes32 exchangeId\n ) = parseData(data);\n uint inputAmount = ERC20(input).balanceOf(address(this));\n require(\n ERC20(input).approve(_broker, inputAmount),\n \"PairMentoV2: approve failed!\"\n );\n IBroker broker = IBroker(_broker);\n uint256 amountOut = broker.swapIn(\n exchangeProvider,\n exchangeId,\n input,\n output,\n inputAmount,\n 0\n );\n require(\n IERC20(output).transfer(to, amountOut),\n \"PairMentoV2: transfer failed!\"\n );\n\n }\n\n function parseData(\n bytes memory data\n )\n public\n pure\n returns (address broker, address exchangeProvider, bytes32 exchangeId)\n {\n require(data.length == 72, \"PairMentoV2: invalid data!\");\n assembly {\n broker := mload(add(data, 20))\n exchangeProvider := mload(add(data, 40))\n exchangeId := mload(add(data, 72))\n }\n }\n\n function getOutputAmount(\n address input,\n address output,\n uint256 amountIn,\n bytes calldata data\n ) external override returns (uint amountOut) {\n (\n address _broker,\n address exchangeProvider,\n bytes32 exchangeId\n ) = parseData(data);\n IBroker broker = IBroker(_broker);\n return\n broker.getAmountOut(\n exchangeProvider,\n exchangeId,\n input,\n output,\n amountIn\n );\n }\n\n receive() external payable {}\n}", 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