{
  "language": "Solidity",
  "sources": {
    "contracts/mocks/WETH9.sol": {
      "content": "// SPDX-License-Identifier: GPL-3.0-only\npragma solidity 0.6.12;\n\ncontract WETH9 {\n    string public name = \"Wrapped Ether\";\n    string public symbol = \"WETH\";\n    uint8 public decimals = 18;\n\n    event Approval(address indexed src, address indexed guy, uint256 wad);\n    event Transfer(address indexed src, address indexed dst, uint256 wad);\n    event Deposit(address indexed dst, uint256 wad);\n    event Withdrawal(address indexed src, uint256 wad);\n\n    mapping(address => uint256) public balanceOf;\n    mapping(address => mapping(address => uint256)) public allowance;\n\n    /*fallback () external payable {\n        deposit();\n    }*/\n    function deposit() public payable {\n        balanceOf[msg.sender] += msg.value;\n        emit Deposit(msg.sender, msg.value);\n    }\n\n    function withdraw(uint256 wad) public {\n        require(balanceOf[msg.sender] >= wad, \"WETH9: Error\");\n        balanceOf[msg.sender] -= wad;\n        msg.sender.transfer(wad);\n        emit Withdrawal(msg.sender, wad);\n    }\n\n    function totalSupply() public view returns (uint256) {\n        return address(this).balance;\n    }\n\n    function approve(address guy, uint256 wad) public returns (bool) {\n        allowance[msg.sender][guy] = wad;\n        emit Approval(msg.sender, guy, wad);\n        return true;\n    }\n\n    function transfer(address dst, uint256 wad) public returns (bool) {\n        return transferFrom(msg.sender, dst, wad);\n    }\n\n    function transferFrom(\n        address src,\n        address dst,\n        uint256 wad\n    ) public returns (bool) {\n        require(balanceOf[src] >= wad, \"WETH9: Error\");\n\n        if (src != msg.sender && allowance[src][msg.sender] != uint256(-1)) {\n            require(allowance[src][msg.sender] >= wad, \"WETH9: Error\");\n            allowance[src][msg.sender] -= wad;\n        }\n\n        balanceOf[src] -= wad;\n        balanceOf[dst] += wad;\n\n        emit Transfer(src, dst, wad);\n\n        return true;\n    }\n}\n"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "abi",
          "evm.bytecode",
          "evm.deployedBytecode",
          "evm.methodIdentifiers",
          "metadata",
          "devdoc",
          "userdoc",
          "storageLayout",
          "evm.gasEstimates"
        ],
        "": ["ast"]
      }
    },
    "metadata": {
      "useLiteralContent": true
    }
  }
}