{ "contractName": "PairStCelo", "abi": [ { "stateMutability": "payable", "type": "receive" }, { "inputs": [ { "internalType": "address", "name": "input", "type": "address" }, { "internalType": "address", "name": "output", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "swap", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "input", "type": "address" }, { "internalType": "address", "name": "", "type": "address" }, { "internalType": "uint256", "name": "amountIn", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "getOutputAmount", "outputs": [ { "internalType": "uint256", "name": "amountOut", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" } ], "metadata": 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"source": "// SPDX-License-Identifier: MIT\npragma solidity 0.6.8;\n\nimport \"@openzeppelin/contracts/math/SafeMath.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"../interfaces/stCelo/IManager.sol\";\nimport \"./ISwappaPairV1.sol\";\n\ncontract PairStCelo is ISwappaPairV1 {\n\tusing SafeMath for uint;\n\n\taddress constant CELO_ADDRESS = 0x471EcE3750Da237f93B8E339c536989b8978a438;\n\n\tfunction swap(\n\t\taddress input,\n\t\taddress output,\n\t\taddress to,\n\t\tbytes calldata data\n\t) external override {\n\t\trequire(input == CELO_ADDRESS, \"PairStCelo: Incorrect Input\");\n\t\taddress payable managerAddr = parseData(data);\n\t\tuint inputAmount = ERC20(input).balanceOf(address(this));\n\t\tIManager(managerAddr).deposit{value: inputAmount}();\n\t\tuint outputAmount = ERC20(output).balanceOf(address(this));\n\t\trequire(ERC20(output).transfer(to, outputAmount), \"PairStCelo: Transfer Failed\");\n\t}\n\n\tfunction parseData(bytes memory data) private pure returns (address payable managerAddr) {\n\t\trequire(data.length == 20, \"PairStCelo: invalid data!\");\n\t\tassembly {\n\t\t\tmanagerAddr := mload(add(data, 20))\n\t\t}\n\t}\n\n\tfunction getOutputAmount(\n\t\taddress input,\n\t\taddress,\n\t\tuint amountIn,\n\t\tbytes calldata data\n\t) external override returns (uint amountOut) {\n\t\tif (input == CELO_ADDRESS) {\n\t\t\taddress payable managerAddr = parseData(data);\n\t\t\treturn IManager(managerAddr).toStakedCelo(amountIn);\n\t\t} else {\n\t\t\treturn 0;\n\t\t}\n\t}\n\n\treceive() external payable {}\n}", "sourcePath": "/home/thezviad_gmail_com/src/swappa/contracts/swappa/PairStCelo.sol", "ast": { "absolutePath": "project:/contracts/swappa/PairStCelo.sol", "exportedSymbols": { "PairStCelo": [ 6729 ] }, "id": 6730, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 6590, "literals": [ "solidity", "0.6", ".8" ], "nodeType": "PragmaDirective", "src": "32:22:54" }, { "absolutePath": 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