{
    "contractName": "Exchange",
    "compilerOutput": {
        "abi": [
            {
                "constant": true,
                "inputs": [],
                "name": "EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH",
                "outputs": [
                    {
                        "name": "",
                        "type": "bytes32"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "",
                        "type": "bytes32"
                    }
                ],
                "name": "filled",
                "outputs": [
                    {
                        "name": "",
                        "type": "uint256"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "orders",
                        "type": "tuple[]"
                    },
                    {
                        "name": "takerAssetFillAmounts",
                        "type": "uint256[]"
                    },
                    {
                        "name": "signatures",
                        "type": "bytes[]"
                    }
                ],
                "name": "batchFillOrders",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "totalFillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "",
                        "type": "bytes32"
                    }
                ],
                "name": "cancelled",
                "outputs": [
                    {
                        "name": "",
                        "type": "bool"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "name": "hash",
                        "type": "bytes32"
                    },
                    {
                        "name": "signerAddress",
                        "type": "address"
                    },
                    {
                        "name": "signature",
                        "type": "bytes"
                    }
                ],
                "name": "preSign",
                "outputs": [],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "leftOrder",
                        "type": "tuple"
                    },
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "rightOrder",
                        "type": "tuple"
                    },
                    {
                        "name": "leftSignature",
                        "type": "bytes"
                    },
                    {
                        "name": "rightSignature",
                        "type": "bytes"
                    }
                ],
                "name": "matchOrders",
                "outputs": [
                    {
                        "components": [
                            {
                                "components": [
                                    {
                                        "name": "makerAssetFilledAmount",
                                        "type": "uint256"
                                    },
                                    {
                                        "name": "takerAssetFilledAmount",
                                        "type": "uint256"
                                    },
                                    {
                                        "name": "makerFeePaid",
                                        "type": "uint256"
                                    },
                                    {
                                        "name": "takerFeePaid",
                                        "type": "uint256"
                                    }
                                ],
                                "name": "left",
                                "type": "tuple"
                            },
                            {
                                "components": [
                                    {
                                        "name": "makerAssetFilledAmount",
                                        "type": "uint256"
                                    },
                                    {
                                        "name": "takerAssetFilledAmount",
                                        "type": "uint256"
                                    },
                                    {
                                        "name": "makerFeePaid",
                                        "type": "uint256"
                                    },
                                    {
                                        "name": "takerFeePaid",
                                        "type": "uint256"
                                    }
                                ],
                                "name": "right",
                                "type": "tuple"
                            },
                            {
                                "name": "leftMakerAssetSpreadAmount",
                                "type": "uint256"
                            }
                        ],
                        "name": "matchedFillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "order",
                        "type": "tuple"
                    },
                    {
                        "name": "takerAssetFillAmount",
                        "type": "uint256"
                    },
                    {
                        "name": "signature",
                        "type": "bytes"
                    }
                ],
                "name": "fillOrderNoThrow",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "fillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "",
                        "type": "bytes4"
                    }
                ],
                "name": "assetProxies",
                "outputs": [
                    {
                        "name": "",
                        "type": "address"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "orders",
                        "type": "tuple[]"
                    }
                ],
                "name": "batchCancelOrders",
                "outputs": [],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "orders",
                        "type": "tuple[]"
                    },
                    {
                        "name": "takerAssetFillAmounts",
                        "type": "uint256[]"
                    },
                    {
                        "name": "signatures",
                        "type": "bytes[]"
                    }
                ],
                "name": "batchFillOrKillOrders",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "totalFillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "name": "targetOrderEpoch",
                        "type": "uint256"
                    }
                ],
                "name": "cancelOrdersUpTo",
                "outputs": [],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "orders",
                        "type": "tuple[]"
                    },
                    {
                        "name": "takerAssetFillAmounts",
                        "type": "uint256[]"
                    },
                    {
                        "name": "signatures",
                        "type": "bytes[]"
                    }
                ],
                "name": "batchFillOrdersNoThrow",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "totalFillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "assetProxyId",
                        "type": "bytes4"
                    }
                ],
                "name": "getAssetProxy",
                "outputs": [
                    {
                        "name": "",
                        "type": "address"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "",
                        "type": "bytes32"
                    }
                ],
                "name": "transactions",
                "outputs": [
                    {
                        "name": "",
                        "type": "bool"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "order",
                        "type": "tuple"
                    },
                    {
                        "name": "takerAssetFillAmount",
                        "type": "uint256"
                    },
                    {
                        "name": "signature",
                        "type": "bytes"
                    }
                ],
                "name": "fillOrKillOrder",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "fillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "name": "validatorAddress",
                        "type": "address"
                    },
                    {
                        "name": "approval",
                        "type": "bool"
                    }
                ],
                "name": "setSignatureValidatorApproval",
                "outputs": [],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "",
                        "type": "address"
                    },
                    {
                        "name": "",
                        "type": "address"
                    }
                ],
                "name": "allowedValidators",
                "outputs": [
                    {
                        "name": "",
                        "type": "bool"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "orders",
                        "type": "tuple[]"
                    },
                    {
                        "name": "takerAssetFillAmount",
                        "type": "uint256"
                    },
                    {
                        "name": "signatures",
                        "type": "bytes[]"
                    }
                ],
                "name": "marketSellOrders",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "totalFillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "",
                        "type": "bytes32"
                    },
                    {
                        "name": "",
                        "type": "address"
                    }
                ],
                "name": "preSigned",
                "outputs": [
                    {
                        "name": "",
                        "type": "bool"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [],
                "name": "owner",
                "outputs": [
                    {
                        "name": "",
                        "type": "address"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "hash",
                        "type": "bytes32"
                    },
                    {
                        "name": "signerAddress",
                        "type": "address"
                    },
                    {
                        "name": "signature",
                        "type": "bytes"
                    }
                ],
                "name": "isValidSignature",
                "outputs": [
                    {
                        "name": "isValid",
                        "type": "bool"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "orders",
                        "type": "tuple[]"
                    },
                    {
                        "name": "makerAssetFillAmount",
                        "type": "uint256"
                    },
                    {
                        "name": "signatures",
                        "type": "bytes[]"
                    }
                ],
                "name": "marketBuyOrdersNoThrow",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "totalFillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "order",
                        "type": "tuple"
                    },
                    {
                        "name": "takerAssetFillAmount",
                        "type": "uint256"
                    },
                    {
                        "name": "signature",
                        "type": "bytes"
                    }
                ],
                "name": "fillOrder",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "fillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "name": "salt",
                        "type": "uint256"
                    },
                    {
                        "name": "signerAddress",
                        "type": "address"
                    },
                    {
                        "name": "data",
                        "type": "bytes"
                    },
                    {
                        "name": "signature",
                        "type": "bytes"
                    }
                ],
                "name": "executeTransaction",
                "outputs": [],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "name": "assetProxy",
                        "type": "address"
                    }
                ],
                "name": "registerAssetProxy",
                "outputs": [],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "order",
                        "type": "tuple"
                    }
                ],
                "name": "getOrderInfo",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "orderStatus",
                                "type": "uint8"
                            },
                            {
                                "name": "orderHash",
                                "type": "bytes32"
                            },
                            {
                                "name": "orderTakerAssetFilledAmount",
                                "type": "uint256"
                            }
                        ],
                        "name": "orderInfo",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "order",
                        "type": "tuple"
                    }
                ],
                "name": "cancelOrder",
                "outputs": [],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [
                    {
                        "name": "",
                        "type": "address"
                    },
                    {
                        "name": "",
                        "type": "address"
                    }
                ],
                "name": "orderEpoch",
                "outputs": [
                    {
                        "name": "",
                        "type": "uint256"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [],
                "name": "ZRX_ASSET_DATA",
                "outputs": [
                    {
                        "name": "",
                        "type": "bytes"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "orders",
                        "type": "tuple[]"
                    },
                    {
                        "name": "takerAssetFillAmount",
                        "type": "uint256"
                    },
                    {
                        "name": "signatures",
                        "type": "bytes[]"
                    }
                ],
                "name": "marketSellOrdersNoThrow",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "totalFillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [],
                "name": "EIP712_DOMAIN_HASH",
                "outputs": [
                    {
                        "name": "",
                        "type": "bytes32"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "components": [
                            {
                                "name": "makerAddress",
                                "type": "address"
                            },
                            {
                                "name": "takerAddress",
                                "type": "address"
                            },
                            {
                                "name": "feeRecipientAddress",
                                "type": "address"
                            },
                            {
                                "name": "senderAddress",
                                "type": "address"
                            },
                            {
                                "name": "makerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFee",
                                "type": "uint256"
                            },
                            {
                                "name": "expirationTimeSeconds",
                                "type": "uint256"
                            },
                            {
                                "name": "salt",
                                "type": "uint256"
                            },
                            {
                                "name": "makerAssetData",
                                "type": "bytes"
                            },
                            {
                                "name": "takerAssetData",
                                "type": "bytes"
                            }
                        ],
                        "name": "orders",
                        "type": "tuple[]"
                    },
                    {
                        "name": "makerAssetFillAmount",
                        "type": "uint256"
                    },
                    {
                        "name": "signatures",
                        "type": "bytes[]"
                    }
                ],
                "name": "marketBuyOrders",
                "outputs": [
                    {
                        "components": [
                            {
                                "name": "makerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "takerAssetFilledAmount",
                                "type": "uint256"
                            },
                            {
                                "name": "makerFeePaid",
                                "type": "uint256"
                            },
                            {
                                "name": "takerFeePaid",
                                "type": "uint256"
                            }
                        ],
                        "name": "totalFillResults",
                        "type": "tuple"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [],
                "name": "currentContextAddress",
                "outputs": [
                    {
                        "name": "",
                        "type": "address"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "constant": false,
                "inputs": [
                    {
                        "name": "newOwner",
                        "type": "address"
                    }
                ],
                "name": "transferOwnership",
                "outputs": [],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "function"
            },
            {
                "constant": true,
                "inputs": [],
                "name": "VERSION",
                "outputs": [
                    {
                        "name": "",
                        "type": "string"
                    }
                ],
                "payable": false,
                "stateMutability": "view",
                "type": "function"
            },
            {
                "inputs": [
                    {
                        "name": "_zrxAssetData",
                        "type": "bytes"
                    }
                ],
                "payable": false,
                "stateMutability": "nonpayable",
                "type": "constructor"
            },
            {
                "anonymous": false,
                "inputs": [
                    {
                        "indexed": true,
                        "name": "signerAddress",
                        "type": "address"
                    },
                    {
                        "indexed": true,
                        "name": "validatorAddress",
                        "type": "address"
                    },
                    {
                        "indexed": false,
                        "name": "approved",
                        "type": "bool"
                    }
                ],
                "name": "SignatureValidatorApproval",
                "type": "event"
            },
            {
                "anonymous": false,
                "inputs": [
                    {
                        "indexed": true,
                        "name": "makerAddress",
                        "type": "address"
                    },
                    {
                        "indexed": true,
                        "name": "feeRecipientAddress",
                        "type": "address"
                    },
                    {
                        "indexed": false,
                        "name": "takerAddress",
                        "type": "address"
                    },
                    {
                        "indexed": false,
                        "name": "senderAddress",
                        "type": "address"
                    },
                    {
                        "indexed": false,
                        "name": "makerAssetFilledAmount",
                        "type": "uint256"
                    },
                    {
                        "indexed": false,
                        "name": "takerAssetFilledAmount",
                        "type": "uint256"
                    },
                    {
                        "indexed": false,
                        "name": "makerFeePaid",
                        "type": "uint256"
                    },
                    {
                        "indexed": false,
                        "name": "takerFeePaid",
                        "type": "uint256"
                    },
                    {
                        "indexed": true,
                        "name": "orderHash",
                        "type": "bytes32"
                    },
                    {
                        "indexed": false,
                        "name": "makerAssetData",
                        "type": "bytes"
                    },
                    {
                        "indexed": false,
                        "name": "takerAssetData",
                        "type": "bytes"
                    }
                ],
                "name": "Fill",
                "type": "event"
            },
            {
                "anonymous": false,
                "inputs": [
                    {
                        "indexed": true,
                        "name": "makerAddress",
                        "type": "address"
                    },
                    {
                        "indexed": true,
                        "name": "feeRecipientAddress",
                        "type": "address"
                    },
                    {
                        "indexed": false,
                        "name": "senderAddress",
                        "type": "address"
                    },
                    {
                        "indexed": true,
                        "name": "orderHash",
                        "type": "bytes32"
                    },
                    {
                        "indexed": false,
                        "name": "makerAssetData",
                        "type": "bytes"
                    },
                    {
                        "indexed": false,
                        "name": "takerAssetData",
                        "type": "bytes"
                    }
                ],
                "name": "Cancel",
                "type": "event"
            },
            {
                "anonymous": false,
                "inputs": [
                    {
                        "indexed": true,
                        "name": "makerAddress",
                        "type": "address"
                    },
                    {
                        "indexed": true,
                        "name": "senderAddress",
                        "type": "address"
                    },
                    {
                        "indexed": false,
                        "name": "orderEpoch",
                        "type": "uint256"
                    }
                ],
                "name": "CancelUpTo",
                "type": "event"
            },
            {
                "anonymous": false,
                "inputs": [
                    {
                        "indexed": false,
                        "name": "id",
                        "type": "bytes4"
                    },
                    {
                        "indexed": false,
                        "name": "assetProxy",
                        "type": "address"
                    }
                ],
                "name": "AssetProxyRegistered",
                "type": "event"
            }
        ]
    },
    "networks": {
        "50": {
            "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788"
        }
    }
}