{ "schemaVersion": "2.0.0", "contractName": "TestChaiBridge", "compilerOutput": { "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "inputToken", "type": "address" }, { "indexed": false, "internalType": "address", "name": "outputToken", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "inputTokenAmount", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "outputTokenAmount", "type": "uint256" }, { "indexed": false, "internalType": "address", "name": "from", "type": "address" }, { "indexed": false, "internalType": "address", "name": "to", "type": "address" } ], "name": "ERC20BridgeTransfer", "type": "event" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "", "type": "address" }, { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "bytes", "name": "", "type": "bytes" } ], "name": "bridgeTransferFrom", "outputs": [ { "internalType": "bytes4", "name": "success", "type": "bytes4" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "testChaiDai", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "devdoc": { "methods": { "bridgeTransferFrom(address,address,address,uint256,bytes)": { "details": "Withdraws `amount` of `from` address's Dai from the Chai contract. Transfers `amount` of Dai to `to` address.", "params": { "amount": "Amount of asset to transfer.", "from": "Address to transfer asset from.", "to": "Address to transfer asset to." }, "return": "success The magic bytes `0xdc1600f3` if successful." } } }, "evm": { "bytecode": { "linkReferences": {}, "object": 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0x43 PUSH2 0x79 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x50 SWAP2 SWAP1 PUSH2 0x499 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x6C PUSH2 0x67 CALLDATASIZE PUSH1 0x4 PUSH2 0x38F JUMP JUMPDEST PUSH2 0x95 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x50 SWAP2 SWAP1 PUSH2 0x4E0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x9F PUSH2 0x331 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x10C JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x103 SWAP1 PUSH2 0x50D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x60 SWAP1 PUSH32 0x4A03707C00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x144 SWAP1 DUP10 SWAP1 DUP9 SWAP1 PUSH1 0x24 ADD PUSH2 0x4BA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP2 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 OR SWAP1 SWAP2 MSTORE SWAP1 POP PUSH1 0x0 PUSH2 0x1CD PUSH2 0x349 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH1 0x40 MLOAD PUSH2 0x1F1 SWAP2 SWAP1 PUSH2 0x460 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP2 POP POP RETURNDATASIZE DUP1 PUSH1 0x0 DUP2 EQ PUSH2 0x22E JUMPI PUSH1 0x40 MLOAD SWAP2 POP PUSH1 0x1F NOT PUSH1 0x3F RETURNDATASIZE ADD AND DUP3 ADD PUSH1 0x40 MSTORE RETURNDATASIZE DUP3 MSTORE RETURNDATASIZE PUSH1 0x0 PUSH1 0x20 DUP5 ADD RETURNDATACOPY PUSH2 0x233 JUMP JUMPDEST PUSH1 0x60 SWAP2 POP JUMPDEST POP POP SWAP1 POP DUP1 PUSH2 0x26E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x103 SWAP1 PUSH2 0x56A JUMP JUMPDEST PUSH2 0x276 PUSH2 0x349 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xA9059CBB DUP9 DUP9 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x2B0 SWAP3 SWAP2 SWAP1 PUSH2 0x4BA JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x2CA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x2DE JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x302 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x439 JUMP JUMPDEST POP PUSH32 0xDC1600F300000000000000000000000000000000000000000000000000000000 SWAP10 SWAP9 POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 CALLER PUSH1 0x1 EQ PUSH2 0x341 JUMPI CALLER PUSH2 0x344 JUMP JUMPDEST PUSH1 0x0 JUMPDEST SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST DUP1 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND DUP2 EQ PUSH2 0x389 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xA0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x3A7 JUMPI DUP2 DUP3 REVERT JUMPDEST PUSH2 0x3B1 DUP9 DUP9 PUSH2 0x365 JUMP JUMPDEST SWAP6 POP PUSH2 0x3C0 DUP9 PUSH1 0x20 DUP10 ADD PUSH2 0x365 JUMP JUMPDEST SWAP5 POP PUSH2 0x3CF DUP9 PUSH1 0x40 DUP10 ADD PUSH2 0x365 JUMP JUMPDEST SWAP4 POP PUSH1 0x60 DUP8 ADD CALLDATALOAD SWAP3 POP PUSH1 0x80 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x3F2 JUMPI DUP4 DUP5 REVERT JUMPDEST DUP2 DUP10 ADD DUP11 PUSH1 0x1F DUP3 ADD SLT PUSH2 0x403 JUMPI DUP5 DUP6 REVERT JUMPDEST DUP1 CALLDATALOAD SWAP3 POP DUP2 DUP4 GT ISZERO PUSH2 0x413 JUMPI DUP5 DUP6 REVERT JUMPDEST DUP11 PUSH1 0x20 DUP5 DUP4 ADD ADD GT ISZERO PUSH2 0x424 JUMPI DUP5 DUP6 REVERT JUMPDEST SWAP8 SWAP11 SWAP7 SWAP10 POP SWAP5 SWAP8 POP SWAP3 SWAP6 PUSH1 0x20 ADD SWAP5 SWAP3 SWAP4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x44A JUMPI DUP1 DUP2 REVERT JUMPDEST DUP2 MLOAD DUP1 ISZERO ISZERO DUP2 EQ PUSH2 0x459 JUMPI DUP2 DUP3 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 MLOAD DUP2 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x480 JUMPI PUSH1 0x20 DUP2 DUP7 ADD DUP2 ADD MLOAD DUP6 DUP4 ADD MSTORE ADD PUSH2 0x466 JUMP JUMPDEST DUP2 DUP2 GT ISZERO PUSH2 0x48E JUMPI DUP3 DUP3 DUP6 ADD MSTORE JUMPDEST POP SWAP2 SWAP1 SWAP2 ADD SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 SWAP1 SWAP2 AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND DUP3 MSTORE PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP2 SWAP1 SWAP2 AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x2E SWAP1 DUP3 ADD MSTORE PUSH32 0x436861694272696467652F4F4E4C595F43414C4C41424C455F42595F45524332 PUSH1 0x40 DUP3 ADD MSTORE PUSH32 0x305F4252494447455F50524F5859000000000000000000000000000000000000 PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1A SWAP1 DUP3 ADD MSTORE PUSH32 0x436861694272696467652F445241575F4441495F4641494C4544000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP INVALID LOG3 PUSH6 0x627A7A723158 KECCAK256 0xD5 SSTORE SWAP4 PUSH15 0xDDC8D2205D648D8D28D6285A8FF4B1 CALLDATALOAD CODECOPY 0xA9 CALLDATACOPY GT SIGNEXTEND RETURNDATACOPY SWAP13 0xCE NUMBER RETURN PUSH18 0x496C6578706572696D656E74616CF564736F PUSH13 0x63430005110040608060405234 DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x723 DUP1 PUSH2 0x20 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN INVALID PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0x7D JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x4A03707C GT PUSH2 0x5B JUMPI DUP1 PUSH4 0x4A03707C EQ PUSH2 0xD3 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0xE8 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0xFB JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x10E JUMPI PUSH2 0x7D JUMP JUMPDEST DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x82 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0xAB JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0xC0 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x95 PUSH2 0x90 CALLDATASIZE PUSH1 0x4 PUSH2 0x5D8 JUMP JUMPDEST PUSH2 0x121 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xA2 SWAP2 SWAP1 PUSH2 0x602 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xB3 PUSH2 0x199 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xA2 SWAP2 SWAP1 PUSH2 0x6B2 JUMP JUMPDEST PUSH2 0x95 PUSH2 0xCE CALLDATASIZE PUSH1 0x4 PUSH2 0x598 JUMP JUMPDEST PUSH2 0x19F JUMP JUMPDEST PUSH2 0xE6 PUSH2 0xE1 CALLDATASIZE PUSH1 0x4 PUSH2 0x5D8 JUMP JUMPDEST PUSH2 0x36B JUMP JUMPDEST STOP JUMPDEST PUSH2 0xB3 PUSH2 0xF6 CALLDATASIZE PUSH1 0x4 PUSH2 0x542 JUMP JUMPDEST PUSH2 0x3A8 JUMP JUMPDEST PUSH2 0x95 PUSH2 0x109 CALLDATASIZE PUSH1 0x4 PUSH2 0x5D8 JUMP JUMPDEST PUSH2 0x3D0 JUMP JUMPDEST PUSH2 0xB3 PUSH2 0x11C CALLDATASIZE PUSH1 0x4 PUSH2 0x564 JUMP JUMPDEST PUSH2 0x4E6 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP6 SWAP1 SSTORE MLOAD SWAP2 SWAP3 SWAP1 SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP1 PUSH2 0x187 SWAP1 DUP7 SWAP1 PUSH2 0x6B2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x207 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x1FE SWAP1 PUSH2 0x60D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x271 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x1FE SWAP1 PUSH2 0x644 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x2D2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x1FE SWAP1 PUSH2 0x67B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 ADD SWAP1 SSTORE SWAP4 DUP9 AND DUP1 DUP4 MSTORE DUP5 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE PUSH1 0x1 DUP3 MSTORE DUP5 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 DUP4 SWAP1 KECCAK256 DUP1 SLOAD DUP7 SWAP1 SUB SWAP1 SSTORE SWAP2 MLOAD SWAP1 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 PUSH2 0x359 SWAP1 DUP7 SWAP1 PUSH2 0x6B2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x1 EQ ISZERO PUSH2 0x38F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD SWAP1 SWAP2 ADD SWAP1 SSTORE POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x419 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x1FE SWAP1 PUSH2 0x60D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x47A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x1FE SWAP1 PUSH2 0x67B JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP7 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND DUP1 DUP4 MSTORE SWAP2 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP7 ADD SWAP1 SSTORE MLOAD SWAP1 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 PUSH2 0x187 SWAP1 DUP7 SWAP1 PUSH2 0x6B2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST DUP1 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND DUP2 EQ PUSH2 0x193 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x553 JUMPI DUP1 DUP2 REVERT JUMPDEST PUSH2 0x55D DUP4 DUP4 PUSH2 0x51E JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x576 JUMPI DUP1 DUP2 REVERT JUMPDEST PUSH2 0x580 DUP5 DUP5 PUSH2 0x51E JUMP JUMPDEST SWAP2 POP PUSH2 0x58F DUP5 PUSH1 0x20 DUP6 ADD PUSH2 0x51E JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x5AC JUMPI DUP1 DUP2 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH2 0x5B7 DUP2 PUSH2 0x6BB JUMP JUMPDEST SWAP3 POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH2 0x5C7 DUP2 PUSH2 0x6BB JUMP JUMPDEST SWAP3 SWAP6 SWAP3 SWAP5 POP POP POP PUSH1 0x40 SWAP2 SWAP1 SWAP2 ADD CALLDATALOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x5EA JUMPI DUP2 DUP3 REVERT JUMPDEST PUSH2 0x5F4 DUP5 DUP5 PUSH2 0x51E JUMP JUMPDEST SWAP5 PUSH1 0x20 SWAP4 SWAP1 SWAP4 ADD CALLDATALOAD SWAP4 POP POP POP JUMP JUMPDEST SWAP1 ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1A SWAP1 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1C SWAP1 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x10 SWAP1 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST SWAP1 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND DUP2 EQ PUSH2 0x6DD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP INVALID LOG3 PUSH6 0x627A7A723158 KECCAK256 PUSH15 0xE5229021B7726AA3298BEE9DF7886B 0xB4 0xCC LOG1 SWAP3 0xD0 CALLDATACOPY 0xC9 LOG0 DUP12 0xE MSTORE 0xED SWAP10 GT DUP2 DUP14 PUSH13 0x6578706572696D656E74616CF5 PUSH5 0x736F6C6343 STOP SDIV GT STOP BLOCKHASH ", "sourceMap": "1067:683:50:-;;;1213:90;8:9:-1;5:2;;;30:1;27;20:12;5:2;1213:90:50;1278:17;;;;;:::i;:::-;;;;;;;;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;-1:-1;1256:11:50;:40;;-1:-1:-1;;;;;;1256:40:50;-1:-1:-1;;;;;1256:40:50;;;;;;;;;;1067:683;;;;;;;;;;:::o;:::-;;;;;;;" }, "deployedBytecode": { "linkReferences": {}, "object": "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", "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0x36 JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x45830AA6 EQ PUSH2 0x3B JUMPI DUP1 PUSH4 0xC2DF82E6 EQ PUSH2 0x59 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x43 PUSH2 0x79 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x50 SWAP2 SWAP1 PUSH2 0x499 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x6C PUSH2 0x67 CALLDATASIZE PUSH1 0x4 PUSH2 0x38F JUMP JUMPDEST PUSH2 0x95 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x50 SWAP2 SWAP1 PUSH2 0x4E0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x9F PUSH2 0x331 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x10C JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x103 SWAP1 PUSH2 0x50D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x60 SWAP1 PUSH32 0x4A03707C00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x144 SWAP1 DUP10 SWAP1 DUP9 SWAP1 PUSH1 0x24 ADD PUSH2 0x4BA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP2 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 OR SWAP1 SWAP2 MSTORE SWAP1 POP PUSH1 0x0 PUSH2 0x1CD PUSH2 0x349 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH1 0x40 MLOAD PUSH2 0x1F1 SWAP2 SWAP1 PUSH2 0x460 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP2 POP POP RETURNDATASIZE DUP1 PUSH1 0x0 DUP2 EQ PUSH2 0x22E JUMPI PUSH1 0x40 MLOAD SWAP2 POP PUSH1 0x1F NOT PUSH1 0x3F RETURNDATASIZE ADD AND DUP3 ADD PUSH1 0x40 MSTORE RETURNDATASIZE DUP3 MSTORE RETURNDATASIZE PUSH1 0x0 PUSH1 0x20 DUP5 ADD RETURNDATACOPY PUSH2 0x233 JUMP JUMPDEST PUSH1 0x60 SWAP2 POP JUMPDEST POP POP SWAP1 POP DUP1 PUSH2 0x26E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x103 SWAP1 PUSH2 0x56A JUMP JUMPDEST PUSH2 0x276 PUSH2 0x349 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xA9059CBB DUP9 DUP9 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x2B0 SWAP3 SWAP2 SWAP1 PUSH2 0x4BA JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x2CA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x2DE JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x302 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x439 JUMP JUMPDEST POP PUSH32 0xDC1600F300000000000000000000000000000000000000000000000000000000 SWAP10 SWAP9 POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 CALLER PUSH1 0x1 EQ PUSH2 0x341 JUMPI CALLER PUSH2 0x344 JUMP JUMPDEST PUSH1 0x0 JUMPDEST SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST DUP1 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND DUP2 EQ PUSH2 0x389 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xA0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x3A7 JUMPI DUP2 DUP3 REVERT JUMPDEST PUSH2 0x3B1 DUP9 DUP9 PUSH2 0x365 JUMP JUMPDEST SWAP6 POP PUSH2 0x3C0 DUP9 PUSH1 0x20 DUP10 ADD PUSH2 0x365 JUMP JUMPDEST SWAP5 POP PUSH2 0x3CF DUP9 PUSH1 0x40 DUP10 ADD PUSH2 0x365 JUMP JUMPDEST SWAP4 POP PUSH1 0x60 DUP8 ADD CALLDATALOAD SWAP3 POP PUSH1 0x80 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x3F2 JUMPI DUP4 DUP5 REVERT JUMPDEST DUP2 DUP10 ADD DUP11 PUSH1 0x1F DUP3 ADD SLT PUSH2 0x403 JUMPI DUP5 DUP6 REVERT JUMPDEST DUP1 CALLDATALOAD SWAP3 POP DUP2 DUP4 GT ISZERO PUSH2 0x413 JUMPI DUP5 DUP6 REVERT JUMPDEST DUP11 PUSH1 0x20 DUP5 DUP4 ADD ADD GT ISZERO PUSH2 0x424 JUMPI DUP5 DUP6 REVERT JUMPDEST SWAP8 SWAP11 SWAP7 SWAP10 POP SWAP5 SWAP8 POP SWAP3 SWAP6 PUSH1 0x20 ADD SWAP5 SWAP3 SWAP4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x44A JUMPI DUP1 DUP2 REVERT JUMPDEST DUP2 MLOAD DUP1 ISZERO ISZERO DUP2 EQ PUSH2 0x459 JUMPI DUP2 DUP3 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 MLOAD DUP2 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x480 JUMPI PUSH1 0x20 DUP2 DUP7 ADD DUP2 ADD MLOAD DUP6 DUP4 ADD MSTORE ADD PUSH2 0x466 JUMP JUMPDEST DUP2 DUP2 GT ISZERO PUSH2 0x48E JUMPI DUP3 DUP3 DUP6 ADD MSTORE JUMPDEST POP SWAP2 SWAP1 SWAP2 ADD SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 SWAP1 SWAP2 AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND DUP3 MSTORE PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP2 SWAP1 SWAP2 AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x2E SWAP1 DUP3 ADD MSTORE PUSH32 0x436861694272696467652F4F4E4C595F43414C4C41424C455F42595F45524332 PUSH1 0x40 DUP3 ADD MSTORE PUSH32 0x305F4252494447455F50524F5859000000000000000000000000000000000000 PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1A SWAP1 DUP3 ADD MSTORE PUSH32 0x436861694272696467652F445241575F4441495F4641494C4544000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP INVALID LOG3 PUSH6 0x627A7A723158 KECCAK256 0xD5 SSTORE SWAP4 PUSH15 0xDDC8D2205D648D8D28D6285A8FF4B1 CALLDATALOAD CODECOPY 0xA9 CALLDATACOPY GT SIGNEXTEND RETURNDATACOPY SWAP13 0xCE NUMBER RETURN PUSH18 0x496C6578706572696D656E74616CF564736F PUSH13 0x63430005110040000000000000 ", "sourceMap": 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} } }, "sourceTreeHashHex": "0xe8f7d6a1b1f28a53fe6fc9a72a66baad95f6a5d1cf162f433bd2e4603ed55503", "sources": { "./TestChaiBridge.sol": { "id": 50, "content": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\npragma experimental ABIEncoderV2;\n\nimport \"../src/bridges/ChaiBridge.sol\";\nimport \"@0x/contracts-erc20/contracts/src/ERC20Token.sol\";\n\n\ncontract TestChaiDai is\n ERC20Token\n{\n address private constant ALWAYS_REVERT_ADDRESS = address(1);\n\n function draw(\n address from,\n uint256 amount\n )\n external\n {\n if (from == ALWAYS_REVERT_ADDRESS) {\n revert();\n }\n balances[msg.sender] += amount;\n }\n}\n\n\ncontract TestChaiBridge is\n ChaiBridge\n{\n address public testChaiDai;\n address private constant ALWAYS_REVERT_ADDRESS = address(1);\n\n constructor()\n public\n {\n testChaiDai = address(new TestChaiDai());\n }\n\n function _getDaiAddress()\n internal\n view\n returns (address)\n {\n return testChaiDai;\n }\n\n function _getChaiAddress()\n internal\n view\n returns (address)\n {\n return testChaiDai;\n }\n\n function _getERC20BridgeProxyAddress()\n internal\n view\n returns (address)\n {\n return msg.sender == ALWAYS_REVERT_ADDRESS ? address(0) : msg.sender;\n }\n}\n" }, "../src/bridges/ChaiBridge.sol": { "id": 11, "content": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\npragma experimental ABIEncoderV2;\n\nimport \"../interfaces/IERC20Bridge.sol\";\nimport \"../interfaces/IChai.sol\";\nimport \"@0x/contracts-utils/contracts/src/DeploymentConstants.sol\";\nimport \"@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol\";\n\n\n// solhint-disable space-after-comma\ncontract ChaiBridge is\n IERC20Bridge,\n DeploymentConstants\n{\n /// @dev Withdraws `amount` of `from` address's Dai from the Chai contract.\n /// Transfers `amount` of Dai to `to` address.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n /// @return success The magic bytes `0xdc1600f3` if successful.\n function bridgeTransferFrom(\n address /* tokenAddress */,\n address from,\n address to,\n uint256 amount,\n bytes calldata /* bridgeData */\n )\n external\n returns (bytes4 success)\n {\n // Ensure that only the `ERC20BridgeProxy` can call this function.\n require(\n msg.sender == _getERC20BridgeProxyAddress(),\n \"ChaiBridge/ONLY_CALLABLE_BY_ERC20_BRIDGE_PROXY\"\n );\n\n // Withdraw `from` address's Dai.\n // NOTE: This contract must be approved to spend Chai on behalf of `from`.\n bytes memory drawCalldata = abi.encodeWithSelector(\n IChai(address(0)).draw.selector,\n from,\n amount\n );\n\n (bool success,) = _getChaiAddress().call(drawCalldata);\n require(\n success,\n \"ChaiBridge/DRAW_DAI_FAILED\"\n );\n\n // Transfer Dai to `to`\n // This will never fail if the `draw` call was successful\n IERC20Token(_getDaiAddress()).transfer(to, amount);\n\n return BRIDGE_SUCCESS;\n }\n}\n" }, "../src/interfaces/IERC20Bridge.sol": { "id": 39, "content": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\n\ncontract IERC20Bridge {\n\n /// @dev Result of a successful bridge call.\n bytes4 constant internal BRIDGE_SUCCESS = 0xdc1600f3;\n\n /// @dev Emitted when a trade occurs.\n /// @param inputToken The token the bridge is converting from.\n /// @param outputToken The token the bridge is converting to.\n /// @param inputTokenAmount Amount of input token.\n /// @param outputTokenAmount Amount of output token.\n /// @param from The `from` address in `bridgeTransferFrom()`\n /// @param to The `to` address in `bridgeTransferFrom()`\n event ERC20BridgeTransfer(\n address inputToken,\n address outputToken,\n uint256 inputTokenAmount,\n uint256 outputTokenAmount,\n address from,\n address to\n );\n\n /// @dev Transfers `amount` of the ERC20 `tokenAddress` from `from` to `to`.\n /// @param tokenAddress The address of the ERC20 token to transfer.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n /// @param bridgeData Arbitrary asset data needed by the bridge contract.\n /// @return success The magic bytes `0xdc1600f3` if successful.\n function bridgeTransferFrom(\n address tokenAddress,\n address from,\n address to,\n uint256 amount,\n bytes calldata bridgeData\n )\n external\n returns (bytes4 success);\n}\n" }, "../src/interfaces/IChai.sol": { "id": 35, "content": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\nimport \"@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol\";\n\n\ncontract PotLike {\n function chi() external returns (uint256);\n function rho() external returns (uint256);\n function drip() external returns (uint256);\n function join(uint256) external;\n function exit(uint256) external;\n}\n\n\n// The actual Chai contract can be found here: https://github.com/dapphub/chai\ncontract IChai is\n IERC20Token\n{\n /// @dev Withdraws Dai owned by `src`\n /// @param src Address that owns Dai.\n /// @param wad Amount of Dai to withdraw.\n function draw(\n address src,\n uint256 wad\n )\n external;\n\n /// @dev Queries Dai balance of Chai holder.\n /// @param usr Address of Chai holder.\n /// @return Dai balance.\n function dai(address usr)\n external\n returns (uint256);\n\n /// @dev Queries the Pot contract used by the Chai contract.\n function pot()\n external\n returns (PotLike);\n\n /// @dev Deposits Dai in exchange for Chai\n /// @param dst Address to receive Chai.\n /// @param wad Amount of Dai to deposit.\n function join(\n address dst,\n uint256 wad\n )\n external;\n}\n" }, "@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol": { "id": 62, "content": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n" }, "@0x/contracts-utils/contracts/src/DeploymentConstants.sol": { "id": 68, "content": "/*\n\n Copyright 2020 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\n\ncontract DeploymentConstants {\n\n // solhint-disable separate-by-one-line-in-contract\n\n // Mainnet addresses ///////////////////////////////////////////////////////\n /// @dev Mainnet address of the WETH contract.\n address constant private WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n /// @dev Mainnet address of the KyberNetworkProxy contract.\n address constant private KYBER_NETWORK_PROXY_ADDRESS = 0x9AAb3f75489902f3a48495025729a0AF77d4b11e;\n /// @dev Mainnet address of the KyberHintHandler contract.\n address constant private KYBER_HINT_HANDLER_ADDRESS = 0xa1C0Fa73c39CFBcC11ec9Eb1Afc665aba9996E2C;\n /// @dev Mainnet address of the `UniswapExchangeFactory` contract.\n address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0xc0a47dFe034B400B47bDaD5FecDa2621de6c4d95;\n /// @dev Mainnet address of the `UniswapV2Router01` contract.\n address constant private UNISWAP_V2_ROUTER_01_ADDRESS = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;\n /// @dev Mainnet address of the Eth2Dai `MatchingMarket` contract.\n address constant private ETH2DAI_ADDRESS = 0x794e6e91555438aFc3ccF1c5076A74F42133d08D;\n /// @dev Mainnet address of the `ERC20BridgeProxy` contract\n address constant private ERC20_BRIDGE_PROXY_ADDRESS = 0x8ED95d1746bf1E4dAb58d8ED4724f1Ef95B20Db0;\n ///@dev Mainnet address of the `Dai` (multi-collateral) contract\n address constant private DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n /// @dev Mainnet address of the `Chai` contract\n address constant private CHAI_ADDRESS = 0x06AF07097C9Eeb7fD685c692751D5C66dB49c215;\n /// @dev Mainnet address of the 0x DevUtils contract.\n address constant private DEV_UTILS_ADDRESS = 0x74134CF88b21383713E096a5ecF59e297dc7f547;\n /// @dev Kyber ETH pseudo-address.\n address constant internal KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n /// @dev Mainnet address of the dYdX contract.\n address constant private DYDX_ADDRESS = 0x1E0447b19BB6EcFdAe1e4AE1694b0C3659614e4e;\n /// @dev Mainnet address of the GST2 contract\n address constant private GST_ADDRESS = 0x0000000000b3F879cb30FE243b4Dfee438691c04;\n /// @dev Mainnet address of the GST Collector\n address constant private GST_COLLECTOR_ADDRESS = 0x000000D3b08566BE75A6DB803C03C85C0c1c5B96;\n /// @dev Mainnet address of the mStable mUSD contract.\n address constant private MUSD_ADDRESS = 0xe2f2a5C287993345a840Db3B0845fbC70f5935a5;\n /// @dev Mainnet address of the Mooniswap Registry contract\n address constant private MOONISWAP_REGISTRY = 0x71CD6666064C3A1354a3B4dca5fA1E2D3ee7D303;\n /// @dev Mainnet address of the DODO Registry (ZOO) contract\n address constant private DODO_REGISTRY = 0x3A97247DF274a17C59A3bd12735ea3FcDFb49950;\n /// @dev Mainnet address of the DODO Helper contract\n address constant private DODO_HELPER = 0x533dA777aeDCE766CEAe696bf90f8541A4bA80Eb;\n\n // // Ropsten addresses ///////////////////////////////////////////////////////\n // /// @dev Mainnet address of the WETH contract.\n // address constant private WETH_ADDRESS = 0xc778417E063141139Fce010982780140Aa0cD5Ab;\n // /// @dev Mainnet address of the KyberNetworkProxy contract.\n // address constant private KYBER_NETWORK_PROXY_ADDRESS = 0xd719c34261e099Fdb33030ac8909d5788D3039C4;\n // /// @dev Mainnet address of the `UniswapExchangeFactory` contract.\n // address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0x9c83dCE8CA20E9aAF9D3efc003b2ea62aBC08351;\n // /// @dev Mainnet address of the `UniswapV2Router01` contract.\n // address constant private UNISWAP_V2_ROUTER_01_ADDRESS = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;\n // /// @dev Mainnet address of the Eth2Dai `MatchingMarket` contract.\n // address constant private ETH2DAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the `ERC20BridgeProxy` contract\n // address constant private ERC20_BRIDGE_PROXY_ADDRESS = 0xb344afeD348de15eb4a9e180205A2B0739628339;\n // ///@dev Mainnet address of the `Dai` (multi-collateral) contract\n // address constant private DAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the `Chai` contract\n // address constant private CHAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the 0x DevUtils contract.\n // address constant private DEV_UTILS_ADDRESS = 0xC812AF3f3fBC62F76ea4262576EC0f49dB8B7f1c;\n // /// @dev Kyber ETH pseudo-address.\n // address constant internal KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n // /// @dev Mainnet address of the dYdX contract.\n // address constant private DYDX_ADDRESS = address(0);\n // /// @dev Mainnet address of the GST2 contract\n // address constant private GST_ADDRESS = address(0);\n // /// @dev Mainnet address of the GST Collector\n // address constant private GST_COLLECTOR_ADDRESS = address(0);\n // /// @dev Mainnet address of the mStable mUSD contract.\n // address constant private MUSD_ADDRESS = 0x4E1000616990D83e56f4b5fC6CC8602DcfD20459;\n\n // // Rinkeby addresses ///////////////////////////////////////////////////////\n // /// @dev Mainnet address of the WETH contract.\n // address constant private WETH_ADDRESS = 0xc778417E063141139Fce010982780140Aa0cD5Ab;\n // /// @dev Mainnet address of the KyberNetworkProxy contract.\n // address constant private KYBER_NETWORK_PROXY_ADDRESS = 0x0d5371e5EE23dec7DF251A8957279629aa79E9C5;\n // /// @dev Mainnet address of the `UniswapExchangeFactory` contract.\n // address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0xf5D915570BC477f9B8D6C0E980aA81757A3AaC36;\n // /// @dev Mainnet address of the `UniswapV2Router01` contract.\n // address constant private UNISWAP_V2_ROUTER_01_ADDRESS = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;\n // /// @dev Mainnet address of the Eth2Dai `MatchingMarket` contract.\n // address constant private ETH2DAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the `ERC20BridgeProxy` contract\n // address constant private ERC20_BRIDGE_PROXY_ADDRESS = 0xA2AA4bEFED748Fba27a3bE7Dfd2C4b2c6DB1F49B;\n // ///@dev Mainnet address of the `Dai` (multi-collateral) contract\n // address constant private DAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the `Chai` contract\n // address constant private CHAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the 0x DevUtils contract.\n // address constant private DEV_UTILS_ADDRESS = 0x46B5BC959e8A754c0256FFF73bF34A52Ad5CdfA9;\n // /// @dev Kyber ETH pseudo-address.\n // address constant internal KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n // /// @dev Mainnet address of the dYdX contract.\n // address constant private DYDX_ADDRESS = address(0);\n // /// @dev Mainnet address of the GST2 contract\n // address constant private GST_ADDRESS = address(0);\n // /// @dev Mainnet address of the GST Collector\n // address constant private GST_COLLECTOR_ADDRESS = address(0);\n // /// @dev Mainnet address of the mStable mUSD contract.\n // address constant private MUSD_ADDRESS = address(0);\n\n // // Kovan addresses /////////////////////////////////////////////////////////\n // /// @dev Kovan address of the WETH contract.\n // address constant private WETH_ADDRESS = 0xd0A1E359811322d97991E03f863a0C30C2cF029C;\n // /// @dev Kovan address of the KyberNetworkProxy contract.\n // address constant private KYBER_NETWORK_PROXY_ADDRESS = 0x692f391bCc85cefCe8C237C01e1f636BbD70EA4D;\n // /// @dev Kovan address of the `UniswapExchangeFactory` contract.\n // address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0xD3E51Ef092B2845f10401a0159B2B96e8B6c3D30;\n // /// @dev Kovan address of the `UniswapV2Router01` contract.\n // address constant private UNISWAP_V2_ROUTER_01_ADDRESS = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;\n // /// @dev Kovan address of the Eth2Dai `MatchingMarket` contract.\n // address constant private ETH2DAI_ADDRESS = 0xe325acB9765b02b8b418199bf9650972299235F4;\n // /// @dev Kovan address of the `ERC20BridgeProxy` contract\n // address constant private ERC20_BRIDGE_PROXY_ADDRESS = 0x3577552C1Fb7A44aD76BeEB7aB53251668A21F8D;\n // /// @dev Kovan address of the `Chai` contract\n // address constant private CHAI_ADDRESS = address(0);\n // /// @dev Kovan address of the `Dai` (multi-collateral) contract\n // address constant private DAI_ADDRESS = 0x4F96Fe3b7A6Cf9725f59d353F723c1bDb64CA6Aa;\n // /// @dev Kovan address of the 0x DevUtils contract.\n // address constant private DEV_UTILS_ADDRESS = 0x9402639A828BdF4E9e4103ac3B69E1a6E522eB59;\n // /// @dev Kyber ETH pseudo-address.\n // address constant internal KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n // /// @dev Kovan address of the dYdX contract.\n // address constant private DYDX_ADDRESS = address(0);\n // /// @dev Kovan address of the GST2 contract\n // address constant private GST_ADDRESS = address(0);\n // /// @dev Kovan address of the GST Collector\n // address constant private GST_COLLECTOR_ADDRESS = address(0);\n // /// @dev Mainnet address of the mStable mUSD contract.\n // address constant private MUSD_ADDRESS = address(0);\n\n /// @dev Overridable way to get the `KyberNetworkProxy` address.\n /// @return kyberAddress The `IKyberNetworkProxy` address.\n function _getKyberNetworkProxyAddress()\n internal\n view\n returns (address kyberAddress)\n {\n return KYBER_NETWORK_PROXY_ADDRESS;\n }\n\n /// @dev Overridable way to get the `KyberHintHandler` address.\n /// @return kyberAddress The `IKyberHintHandler` address.\n function _getKyberHintHandlerAddress()\n internal\n view\n returns (address hintHandlerAddress)\n {\n return KYBER_HINT_HANDLER_ADDRESS;\n }\n\n /// @dev Overridable way to get the WETH address.\n /// @return wethAddress The WETH address.\n function _getWethAddress()\n internal\n view\n returns (address wethAddress)\n {\n return WETH_ADDRESS;\n }\n\n /// @dev Overridable way to get the `UniswapExchangeFactory` address.\n /// @return uniswapAddress The `UniswapExchangeFactory` address.\n function _getUniswapExchangeFactoryAddress()\n internal\n view\n returns (address uniswapAddress)\n {\n return UNISWAP_EXCHANGE_FACTORY_ADDRESS;\n }\n\n /// @dev Overridable way to get the `UniswapV2Router01` address.\n /// @return uniswapRouterAddress The `UniswapV2Router01` address.\n function _getUniswapV2Router01Address()\n internal\n view\n returns (address uniswapRouterAddress)\n {\n return UNISWAP_V2_ROUTER_01_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the Eth2Dai `MatchingMarket` contract.\n /// @return eth2daiAddress The Eth2Dai `MatchingMarket` contract.\n function _getEth2DaiAddress()\n internal\n view\n returns (address eth2daiAddress)\n {\n return ETH2DAI_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the `ERC20BridgeProxy` contract.\n /// @return erc20BridgeProxyAddress The `ERC20BridgeProxy` contract.\n function _getERC20BridgeProxyAddress()\n internal\n view\n returns (address erc20BridgeProxyAddress)\n {\n return ERC20_BRIDGE_PROXY_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the `Dai` contract.\n /// @return daiAddress The `Dai` contract.\n function _getDaiAddress()\n internal\n view\n returns (address daiAddress)\n {\n return DAI_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the `Chai` contract.\n /// @return chaiAddress The `Chai` contract.\n function _getChaiAddress()\n internal\n view\n returns (address chaiAddress)\n {\n return CHAI_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the 0x `DevUtils` contract address.\n /// @return devUtils The 0x `DevUtils` contract address.\n function _getDevUtilsAddress()\n internal\n view\n returns (address devUtils)\n {\n return DEV_UTILS_ADDRESS;\n }\n\n /// @dev Overridable way to get the DyDx contract.\n /// @return exchange The DyDx exchange contract.\n function _getDydxAddress()\n internal\n view\n returns (address dydxAddress)\n {\n return DYDX_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the GST2 contract address.\n /// @return gst The GST contract.\n function _getGstAddress()\n internal\n view\n returns (address gst)\n {\n return GST_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the GST Collector address.\n /// @return collector The GST collector address.\n function _getGstCollectorAddress()\n internal\n view\n returns (address collector)\n {\n return GST_COLLECTOR_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the mStable mUSD address.\n /// @return musd The mStable mUSD address.\n function _getMUsdAddress()\n internal\n view\n returns (address musd)\n {\n return MUSD_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the Mooniswap registry address.\n /// @return registry The Mooniswap registry address.\n function _getMooniswapAddress()\n internal\n view\n returns (address)\n {\n return MOONISWAP_REGISTRY;\n }\n\n /// @dev An overridable way to retrieve the DODO Registry contract address.\n /// @return registry The DODO Registry contract address.\n function _getDODORegistryAddress()\n internal\n view\n returns (address)\n {\n return DODO_REGISTRY;\n }\n\n /// @dev An overridable way to retrieve the DODO Helper contract address.\n /// @return registry The DODO Helper contract address.\n function _getDODOHelperAddress()\n internal\n view\n returns (address)\n {\n return DODO_HELPER;\n }\n}\n" }, "@0x/contracts-erc20/contracts/src/ERC20Token.sol": { "id": 60, "content": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\nimport \"./interfaces/IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n" } }, "sourceCodes": { "./TestChaiBridge.sol": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\npragma experimental ABIEncoderV2;\n\nimport \"../src/bridges/ChaiBridge.sol\";\nimport \"@0x/contracts-erc20/contracts/src/ERC20Token.sol\";\n\n\ncontract TestChaiDai is\n ERC20Token\n{\n address private constant ALWAYS_REVERT_ADDRESS = address(1);\n\n function draw(\n address from,\n uint256 amount\n )\n external\n {\n if (from == ALWAYS_REVERT_ADDRESS) {\n revert();\n }\n balances[msg.sender] += amount;\n }\n}\n\n\ncontract TestChaiBridge is\n ChaiBridge\n{\n address public testChaiDai;\n address private constant ALWAYS_REVERT_ADDRESS = address(1);\n\n constructor()\n public\n {\n testChaiDai = address(new TestChaiDai());\n }\n\n function _getDaiAddress()\n internal\n view\n returns (address)\n {\n return testChaiDai;\n }\n\n function _getChaiAddress()\n internal\n view\n returns (address)\n {\n return testChaiDai;\n }\n\n function _getERC20BridgeProxyAddress()\n internal\n view\n returns (address)\n {\n return msg.sender == ALWAYS_REVERT_ADDRESS ? address(0) : msg.sender;\n }\n}\n", "../src/bridges/ChaiBridge.sol": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\npragma experimental ABIEncoderV2;\n\nimport \"../interfaces/IERC20Bridge.sol\";\nimport \"../interfaces/IChai.sol\";\nimport \"@0x/contracts-utils/contracts/src/DeploymentConstants.sol\";\nimport \"@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol\";\n\n\n// solhint-disable space-after-comma\ncontract ChaiBridge is\n IERC20Bridge,\n DeploymentConstants\n{\n /// @dev Withdraws `amount` of `from` address's Dai from the Chai contract.\n /// Transfers `amount` of Dai to `to` address.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n /// @return success The magic bytes `0xdc1600f3` if successful.\n function bridgeTransferFrom(\n address /* tokenAddress */,\n address from,\n address to,\n uint256 amount,\n bytes calldata /* bridgeData */\n )\n external\n returns (bytes4 success)\n {\n // Ensure that only the `ERC20BridgeProxy` can call this function.\n require(\n msg.sender == _getERC20BridgeProxyAddress(),\n \"ChaiBridge/ONLY_CALLABLE_BY_ERC20_BRIDGE_PROXY\"\n );\n\n // Withdraw `from` address's Dai.\n // NOTE: This contract must be approved to spend Chai on behalf of `from`.\n bytes memory drawCalldata = abi.encodeWithSelector(\n IChai(address(0)).draw.selector,\n from,\n amount\n );\n\n (bool success,) = _getChaiAddress().call(drawCalldata);\n require(\n success,\n \"ChaiBridge/DRAW_DAI_FAILED\"\n );\n\n // Transfer Dai to `to`\n // This will never fail if the `draw` call was successful\n IERC20Token(_getDaiAddress()).transfer(to, amount);\n\n return BRIDGE_SUCCESS;\n }\n}\n", "../src/interfaces/IERC20Bridge.sol": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\n\ncontract IERC20Bridge {\n\n /// @dev Result of a successful bridge call.\n bytes4 constant internal BRIDGE_SUCCESS = 0xdc1600f3;\n\n /// @dev Emitted when a trade occurs.\n /// @param inputToken The token the bridge is converting from.\n /// @param outputToken The token the bridge is converting to.\n /// @param inputTokenAmount Amount of input token.\n /// @param outputTokenAmount Amount of output token.\n /// @param from The `from` address in `bridgeTransferFrom()`\n /// @param to The `to` address in `bridgeTransferFrom()`\n event ERC20BridgeTransfer(\n address inputToken,\n address outputToken,\n uint256 inputTokenAmount,\n uint256 outputTokenAmount,\n address from,\n address to\n );\n\n /// @dev Transfers `amount` of the ERC20 `tokenAddress` from `from` to `to`.\n /// @param tokenAddress The address of the ERC20 token to transfer.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n /// @param bridgeData Arbitrary asset data needed by the bridge contract.\n /// @return success The magic bytes `0xdc1600f3` if successful.\n function bridgeTransferFrom(\n address tokenAddress,\n address from,\n address to,\n uint256 amount,\n bytes calldata bridgeData\n )\n external\n returns (bytes4 success);\n}\n", "../src/interfaces/IChai.sol": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\nimport \"@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol\";\n\n\ncontract PotLike {\n function chi() external returns (uint256);\n function rho() external returns (uint256);\n function drip() external returns (uint256);\n function join(uint256) external;\n function exit(uint256) external;\n}\n\n\n// The actual Chai contract can be found here: https://github.com/dapphub/chai\ncontract IChai is\n IERC20Token\n{\n /// @dev Withdraws Dai owned by `src`\n /// @param src Address that owns Dai.\n /// @param wad Amount of Dai to withdraw.\n function draw(\n address src,\n uint256 wad\n )\n external;\n\n /// @dev Queries Dai balance of Chai holder.\n /// @param usr Address of Chai holder.\n /// @return Dai balance.\n function dai(address usr)\n external\n returns (uint256);\n\n /// @dev Queries the Pot contract used by the Chai contract.\n function pot()\n external\n returns (PotLike);\n\n /// @dev Deposits Dai in exchange for Chai\n /// @param dst Address to receive Chai.\n /// @param wad Amount of Dai to deposit.\n function join(\n address dst,\n uint256 wad\n )\n external;\n}\n", "@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", "@0x/contracts-utils/contracts/src/DeploymentConstants.sol": "/*\n\n Copyright 2020 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\n\ncontract DeploymentConstants {\n\n // solhint-disable separate-by-one-line-in-contract\n\n // Mainnet addresses ///////////////////////////////////////////////////////\n /// @dev Mainnet address of the WETH contract.\n address constant private WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n /// @dev Mainnet address of the KyberNetworkProxy contract.\n address constant private KYBER_NETWORK_PROXY_ADDRESS = 0x9AAb3f75489902f3a48495025729a0AF77d4b11e;\n /// @dev Mainnet address of the KyberHintHandler contract.\n address constant private KYBER_HINT_HANDLER_ADDRESS = 0xa1C0Fa73c39CFBcC11ec9Eb1Afc665aba9996E2C;\n /// @dev Mainnet address of the `UniswapExchangeFactory` contract.\n address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0xc0a47dFe034B400B47bDaD5FecDa2621de6c4d95;\n /// @dev Mainnet address of the `UniswapV2Router01` contract.\n address constant private UNISWAP_V2_ROUTER_01_ADDRESS = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;\n /// @dev Mainnet address of the Eth2Dai `MatchingMarket` contract.\n address constant private ETH2DAI_ADDRESS = 0x794e6e91555438aFc3ccF1c5076A74F42133d08D;\n /// @dev Mainnet address of the `ERC20BridgeProxy` contract\n address constant private ERC20_BRIDGE_PROXY_ADDRESS = 0x8ED95d1746bf1E4dAb58d8ED4724f1Ef95B20Db0;\n ///@dev Mainnet address of the `Dai` (multi-collateral) contract\n address constant private DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n /// @dev Mainnet address of the `Chai` contract\n address constant private CHAI_ADDRESS = 0x06AF07097C9Eeb7fD685c692751D5C66dB49c215;\n /// @dev Mainnet address of the 0x DevUtils contract.\n address constant private DEV_UTILS_ADDRESS = 0x74134CF88b21383713E096a5ecF59e297dc7f547;\n /// @dev Kyber ETH pseudo-address.\n address constant internal KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n /// @dev Mainnet address of the dYdX contract.\n address constant private DYDX_ADDRESS = 0x1E0447b19BB6EcFdAe1e4AE1694b0C3659614e4e;\n /// @dev Mainnet address of the GST2 contract\n address constant private GST_ADDRESS = 0x0000000000b3F879cb30FE243b4Dfee438691c04;\n /// @dev Mainnet address of the GST Collector\n address constant private GST_COLLECTOR_ADDRESS = 0x000000D3b08566BE75A6DB803C03C85C0c1c5B96;\n /// @dev Mainnet address of the mStable mUSD contract.\n address constant private MUSD_ADDRESS = 0xe2f2a5C287993345a840Db3B0845fbC70f5935a5;\n /// @dev Mainnet address of the Mooniswap Registry contract\n address constant private MOONISWAP_REGISTRY = 0x71CD6666064C3A1354a3B4dca5fA1E2D3ee7D303;\n /// @dev Mainnet address of the DODO Registry (ZOO) contract\n address constant private DODO_REGISTRY = 0x3A97247DF274a17C59A3bd12735ea3FcDFb49950;\n /// @dev Mainnet address of the DODO Helper contract\n address constant private DODO_HELPER = 0x533dA777aeDCE766CEAe696bf90f8541A4bA80Eb;\n\n // // Ropsten addresses ///////////////////////////////////////////////////////\n // /// @dev Mainnet address of the WETH contract.\n // address constant private WETH_ADDRESS = 0xc778417E063141139Fce010982780140Aa0cD5Ab;\n // /// @dev Mainnet address of the KyberNetworkProxy contract.\n // address constant private KYBER_NETWORK_PROXY_ADDRESS = 0xd719c34261e099Fdb33030ac8909d5788D3039C4;\n // /// @dev Mainnet address of the `UniswapExchangeFactory` contract.\n // address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0x9c83dCE8CA20E9aAF9D3efc003b2ea62aBC08351;\n // /// @dev Mainnet address of the `UniswapV2Router01` contract.\n // address constant private UNISWAP_V2_ROUTER_01_ADDRESS = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;\n // /// @dev Mainnet address of the Eth2Dai `MatchingMarket` contract.\n // address constant private ETH2DAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the `ERC20BridgeProxy` contract\n // address constant private ERC20_BRIDGE_PROXY_ADDRESS = 0xb344afeD348de15eb4a9e180205A2B0739628339;\n // ///@dev Mainnet address of the `Dai` (multi-collateral) contract\n // address constant private DAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the `Chai` contract\n // address constant private CHAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the 0x DevUtils contract.\n // address constant private DEV_UTILS_ADDRESS = 0xC812AF3f3fBC62F76ea4262576EC0f49dB8B7f1c;\n // /// @dev Kyber ETH pseudo-address.\n // address constant internal KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n // /// @dev Mainnet address of the dYdX contract.\n // address constant private DYDX_ADDRESS = address(0);\n // /// @dev Mainnet address of the GST2 contract\n // address constant private GST_ADDRESS = address(0);\n // /// @dev Mainnet address of the GST Collector\n // address constant private GST_COLLECTOR_ADDRESS = address(0);\n // /// @dev Mainnet address of the mStable mUSD contract.\n // address constant private MUSD_ADDRESS = 0x4E1000616990D83e56f4b5fC6CC8602DcfD20459;\n\n // // Rinkeby addresses ///////////////////////////////////////////////////////\n // /// @dev Mainnet address of the WETH contract.\n // address constant private WETH_ADDRESS = 0xc778417E063141139Fce010982780140Aa0cD5Ab;\n // /// @dev Mainnet address of the KyberNetworkProxy contract.\n // address constant private KYBER_NETWORK_PROXY_ADDRESS = 0x0d5371e5EE23dec7DF251A8957279629aa79E9C5;\n // /// @dev Mainnet address of the `UniswapExchangeFactory` contract.\n // address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0xf5D915570BC477f9B8D6C0E980aA81757A3AaC36;\n // /// @dev Mainnet address of the `UniswapV2Router01` contract.\n // address constant private UNISWAP_V2_ROUTER_01_ADDRESS = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;\n // /// @dev Mainnet address of the Eth2Dai `MatchingMarket` contract.\n // address constant private ETH2DAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the `ERC20BridgeProxy` contract\n // address constant private ERC20_BRIDGE_PROXY_ADDRESS = 0xA2AA4bEFED748Fba27a3bE7Dfd2C4b2c6DB1F49B;\n // ///@dev Mainnet address of the `Dai` (multi-collateral) contract\n // address constant private DAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the `Chai` contract\n // address constant private CHAI_ADDRESS = address(0);\n // /// @dev Mainnet address of the 0x DevUtils contract.\n // address constant private DEV_UTILS_ADDRESS = 0x46B5BC959e8A754c0256FFF73bF34A52Ad5CdfA9;\n // /// @dev Kyber ETH pseudo-address.\n // address constant internal KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n // /// @dev Mainnet address of the dYdX contract.\n // address constant private DYDX_ADDRESS = address(0);\n // /// @dev Mainnet address of the GST2 contract\n // address constant private GST_ADDRESS = address(0);\n // /// @dev Mainnet address of the GST Collector\n // address constant private GST_COLLECTOR_ADDRESS = address(0);\n // /// @dev Mainnet address of the mStable mUSD contract.\n // address constant private MUSD_ADDRESS = address(0);\n\n // // Kovan addresses /////////////////////////////////////////////////////////\n // /// @dev Kovan address of the WETH contract.\n // address constant private WETH_ADDRESS = 0xd0A1E359811322d97991E03f863a0C30C2cF029C;\n // /// @dev Kovan address of the KyberNetworkProxy contract.\n // address constant private KYBER_NETWORK_PROXY_ADDRESS = 0x692f391bCc85cefCe8C237C01e1f636BbD70EA4D;\n // /// @dev Kovan address of the `UniswapExchangeFactory` contract.\n // address constant private UNISWAP_EXCHANGE_FACTORY_ADDRESS = 0xD3E51Ef092B2845f10401a0159B2B96e8B6c3D30;\n // /// @dev Kovan address of the `UniswapV2Router01` contract.\n // address constant private UNISWAP_V2_ROUTER_01_ADDRESS = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;\n // /// @dev Kovan address of the Eth2Dai `MatchingMarket` contract.\n // address constant private ETH2DAI_ADDRESS = 0xe325acB9765b02b8b418199bf9650972299235F4;\n // /// @dev Kovan address of the `ERC20BridgeProxy` contract\n // address constant private ERC20_BRIDGE_PROXY_ADDRESS = 0x3577552C1Fb7A44aD76BeEB7aB53251668A21F8D;\n // /// @dev Kovan address of the `Chai` contract\n // address constant private CHAI_ADDRESS = address(0);\n // /// @dev Kovan address of the `Dai` (multi-collateral) contract\n // address constant private DAI_ADDRESS = 0x4F96Fe3b7A6Cf9725f59d353F723c1bDb64CA6Aa;\n // /// @dev Kovan address of the 0x DevUtils contract.\n // address constant private DEV_UTILS_ADDRESS = 0x9402639A828BdF4E9e4103ac3B69E1a6E522eB59;\n // /// @dev Kyber ETH pseudo-address.\n // address constant internal KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n // /// @dev Kovan address of the dYdX contract.\n // address constant private DYDX_ADDRESS = address(0);\n // /// @dev Kovan address of the GST2 contract\n // address constant private GST_ADDRESS = address(0);\n // /// @dev Kovan address of the GST Collector\n // address constant private GST_COLLECTOR_ADDRESS = address(0);\n // /// @dev Mainnet address of the mStable mUSD contract.\n // address constant private MUSD_ADDRESS = address(0);\n\n /// @dev Overridable way to get the `KyberNetworkProxy` address.\n /// @return kyberAddress The `IKyberNetworkProxy` address.\n function _getKyberNetworkProxyAddress()\n internal\n view\n returns (address kyberAddress)\n {\n return KYBER_NETWORK_PROXY_ADDRESS;\n }\n\n /// @dev Overridable way to get the `KyberHintHandler` address.\n /// @return kyberAddress The `IKyberHintHandler` address.\n function _getKyberHintHandlerAddress()\n internal\n view\n returns (address hintHandlerAddress)\n {\n return KYBER_HINT_HANDLER_ADDRESS;\n }\n\n /// @dev Overridable way to get the WETH address.\n /// @return wethAddress The WETH address.\n function _getWethAddress()\n internal\n view\n returns (address wethAddress)\n {\n return WETH_ADDRESS;\n }\n\n /// @dev Overridable way to get the `UniswapExchangeFactory` address.\n /// @return uniswapAddress The `UniswapExchangeFactory` address.\n function _getUniswapExchangeFactoryAddress()\n internal\n view\n returns (address uniswapAddress)\n {\n return UNISWAP_EXCHANGE_FACTORY_ADDRESS;\n }\n\n /// @dev Overridable way to get the `UniswapV2Router01` address.\n /// @return uniswapRouterAddress The `UniswapV2Router01` address.\n function _getUniswapV2Router01Address()\n internal\n view\n returns (address uniswapRouterAddress)\n {\n return UNISWAP_V2_ROUTER_01_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the Eth2Dai `MatchingMarket` contract.\n /// @return eth2daiAddress The Eth2Dai `MatchingMarket` contract.\n function _getEth2DaiAddress()\n internal\n view\n returns (address eth2daiAddress)\n {\n return ETH2DAI_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the `ERC20BridgeProxy` contract.\n /// @return erc20BridgeProxyAddress The `ERC20BridgeProxy` contract.\n function _getERC20BridgeProxyAddress()\n internal\n view\n returns (address erc20BridgeProxyAddress)\n {\n return ERC20_BRIDGE_PROXY_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the `Dai` contract.\n /// @return daiAddress The `Dai` contract.\n function _getDaiAddress()\n internal\n view\n returns (address daiAddress)\n {\n return DAI_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the `Chai` contract.\n /// @return chaiAddress The `Chai` contract.\n function _getChaiAddress()\n internal\n view\n returns (address chaiAddress)\n {\n return CHAI_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the 0x `DevUtils` contract address.\n /// @return devUtils The 0x `DevUtils` contract address.\n function _getDevUtilsAddress()\n internal\n view\n returns (address devUtils)\n {\n return DEV_UTILS_ADDRESS;\n }\n\n /// @dev Overridable way to get the DyDx contract.\n /// @return exchange The DyDx exchange contract.\n function _getDydxAddress()\n internal\n view\n returns (address dydxAddress)\n {\n return DYDX_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the GST2 contract address.\n /// @return gst The GST contract.\n function _getGstAddress()\n internal\n view\n returns (address gst)\n {\n return GST_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the GST Collector address.\n /// @return collector The GST collector address.\n function _getGstCollectorAddress()\n internal\n view\n returns (address collector)\n {\n return GST_COLLECTOR_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the mStable mUSD address.\n /// @return musd The mStable mUSD address.\n function _getMUsdAddress()\n internal\n view\n returns (address musd)\n {\n return MUSD_ADDRESS;\n }\n\n /// @dev An overridable way to retrieve the Mooniswap registry address.\n /// @return registry The Mooniswap registry address.\n function _getMooniswapAddress()\n internal\n view\n returns (address)\n {\n return MOONISWAP_REGISTRY;\n }\n\n /// @dev An overridable way to retrieve the DODO Registry contract address.\n /// @return registry The DODO Registry contract address.\n function _getDODORegistryAddress()\n internal\n view\n returns (address)\n {\n return DODO_REGISTRY;\n }\n\n /// @dev An overridable way to retrieve the DODO Helper contract address.\n /// @return registry The DODO Helper contract address.\n function _getDODOHelperAddress()\n internal\n view\n returns (address)\n {\n return DODO_HELPER;\n }\n}\n", "@0x/contracts-erc20/contracts/src/ERC20Token.sol": "/*\n\n Copyright 2019 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.9;\n\nimport \"./interfaces/IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n" }, "compiler": { "name": "solc", "version": "0.5.17+commit.d19bba13", "settings": { "remappings": [ "@0x/contracts-utils=/home/runner/work/protocol/protocol/contracts/asset-proxy/node_modules/@0x/contracts-utils", "@0x/contracts-erc1155=/home/runner/work/protocol/protocol/contracts/asset-proxy/node_modules/@0x/contracts-erc1155", "@0x/contracts-erc20=/home/runner/work/protocol/protocol/contracts/asset-proxy/node_modules/@0x/contracts-erc20", "@0x/contracts-exchange-libs=/home/runner/work/protocol/protocol/contracts/asset-proxy/node_modules/@0x/contracts-exchange-libs" ], "optimizer": { "enabled": true, "runs": 1000000, "details": { "yul": true, "deduplicate": true, "cse": true, "constantOptimizer": true } }, "outputSelection": { "*": { "*": [ "abi", "devdoc", "evm.bytecode.object", "evm.bytecode.sourceMap", "evm.deployedBytecode.object", "evm.deployedBytecode.sourceMap" ] } }, "evmVersion": "istanbul" } }, "chains": {} }