// tslint:disable:no-consecutive-blank-lines ordered-imports align trailing-comma enum-naming
// tslint:disable:whitespace no-unbound-method no-trailing-whitespace
// tslint:disable:no-unused-variable
import {
    AwaitTransactionSuccessOpts,
    ContractFunctionObj,
    ContractTxFunctionObj,
    SendTransactionOpts,
    BaseContract,
    SubscriptionManager,
    PromiseWithTransactionHash,
    methodAbiToFunctionSignature,
    linkLibrariesInBytecode,
} from '@0x/base-contract';
import { schemas } from '@0x/json-schemas';
import {
    BlockParam,
    BlockParamLiteral,
    BlockRange,
    CallData,
    ContractAbi,
    ContractArtifact,
    DecodedLogArgs,
    LogWithDecodedArgs,
    MethodAbi,
    TransactionReceiptWithDecodedLogs,
    TxData,
    TxDataPayable,
    SupportedProvider,
} from 'ethereum-types';
import { BigNumber, classUtils, hexUtils, logUtils, providerUtils } from '@0x/utils';
import { EventCallback, IndexedFilterValues, SimpleContractArtifact } from '@0x/types';
import { Web3Wrapper } from '@0x/web3-wrapper';
import { assert } from '@0x/assert';
import * as ethers from 'ethers';
// tslint:enable:no-unused-variable

export type IZeroExEventArgs =
    | IZeroExMetaTransactionExecutedEventArgs
    | IZeroExMigratedEventArgs
    | IZeroExOwnershipTransferredEventArgs
    | IZeroExProxyFunctionUpdatedEventArgs
    | IZeroExQuoteSignerUpdatedEventArgs
    | IZeroExTransformedERC20EventArgs
    | IZeroExTransformerDeployerUpdatedEventArgs;

export enum IZeroExEvents {
    MetaTransactionExecuted = 'MetaTransactionExecuted',
    Migrated = 'Migrated',
    OwnershipTransferred = 'OwnershipTransferred',
    ProxyFunctionUpdated = 'ProxyFunctionUpdated',
    QuoteSignerUpdated = 'QuoteSignerUpdated',
    TransformedERC20 = 'TransformedERC20',
    TransformerDeployerUpdated = 'TransformerDeployerUpdated',
}

export interface IZeroExMetaTransactionExecutedEventArgs extends DecodedLogArgs {
    hash: string;
    selector: string;
    signer: string;
    sender: string;
}

export interface IZeroExMigratedEventArgs extends DecodedLogArgs {
    caller: string;
    migrator: string;
    newOwner: string;
}

export interface IZeroExOwnershipTransferredEventArgs extends DecodedLogArgs {
    previousOwner: string;
    newOwner: string;
}

export interface IZeroExProxyFunctionUpdatedEventArgs extends DecodedLogArgs {
    selector: string;
    oldImpl: string;
    newImpl: string;
}

export interface IZeroExQuoteSignerUpdatedEventArgs extends DecodedLogArgs {
    quoteSigner: string;
}

export interface IZeroExTransformedERC20EventArgs extends DecodedLogArgs {
    taker: string;
    inputToken: string;
    outputToken: string;
    inputTokenAmount: BigNumber;
    outputTokenAmount: BigNumber;
}

export interface IZeroExTransformerDeployerUpdatedEventArgs extends DecodedLogArgs {
    transformerDeployer: string;
}

/* istanbul ignore next */
// tslint:disable:array-type
// tslint:disable:no-parameter-reassignment
// tslint:disable-next-line:class-name
export class IZeroExContract extends BaseContract {
    /**
     * @ignore
     */
    public static deployedBytecode: string | undefined;
    public static contractName = 'IZeroEx';
    private readonly _methodABIIndex: { [name: string]: number } = {};
    private readonly _subscriptionManager: SubscriptionManager<IZeroExEventArgs, IZeroExEvents>;
    public static async deployFrom0xArtifactAsync(
        artifact: ContractArtifact | SimpleContractArtifact,
        supportedProvider: SupportedProvider,
        txDefaults: Partial<TxData>,
        logDecodeDependencies: { [contractName: string]: ContractArtifact | SimpleContractArtifact },
    ): Promise<IZeroExContract> {
        assert.doesConformToSchema('txDefaults', txDefaults, schemas.txDataSchema, [
            schemas.addressSchema,
            schemas.numberSchema,
            schemas.jsNumber,
        ]);
        if (artifact.compilerOutput === undefined) {
            throw new Error('Compiler output not found in the artifact file');
        }
        const provider = providerUtils.standardizeOrThrow(supportedProvider);
        const bytecode = artifact.compilerOutput.evm.bytecode.object;
        const abi = artifact.compilerOutput.abi;
        const logDecodeDependenciesAbiOnly: { [contractName: string]: ContractAbi } = {};
        if (Object.keys(logDecodeDependencies) !== undefined) {
            for (const key of Object.keys(logDecodeDependencies)) {
                logDecodeDependenciesAbiOnly[key] = logDecodeDependencies[key].compilerOutput.abi;
            }
        }
        return IZeroExContract.deployAsync(bytecode, abi, provider, txDefaults, logDecodeDependenciesAbiOnly);
    }

    public static async deployWithLibrariesFrom0xArtifactAsync(
        artifact: ContractArtifact,
        libraryArtifacts: { [libraryName: string]: ContractArtifact },
        supportedProvider: SupportedProvider,
        txDefaults: Partial<TxData>,
        logDecodeDependencies: { [contractName: string]: ContractArtifact | SimpleContractArtifact },
    ): Promise<IZeroExContract> {
        assert.doesConformToSchema('txDefaults', txDefaults, schemas.txDataSchema, [
            schemas.addressSchema,
            schemas.numberSchema,
            schemas.jsNumber,
        ]);
        if (artifact.compilerOutput === undefined) {
            throw new Error('Compiler output not found in the artifact file');
        }
        const provider = providerUtils.standardizeOrThrow(supportedProvider);
        const abi = artifact.compilerOutput.abi;
        const logDecodeDependenciesAbiOnly: { [contractName: string]: ContractAbi } = {};
        if (Object.keys(logDecodeDependencies) !== undefined) {
            for (const key of Object.keys(logDecodeDependencies)) {
                logDecodeDependenciesAbiOnly[key] = logDecodeDependencies[key].compilerOutput.abi;
            }
        }
        const libraryAddresses = await IZeroExContract._deployLibrariesAsync(
            artifact,
            libraryArtifacts,
            new Web3Wrapper(provider),
            txDefaults,
        );
        const bytecode = linkLibrariesInBytecode(artifact, libraryAddresses);
        return IZeroExContract.deployAsync(bytecode, abi, provider, txDefaults, logDecodeDependenciesAbiOnly);
    }

    public static async deployAsync(
        bytecode: string,
        abi: ContractAbi,
        supportedProvider: SupportedProvider,
        txDefaults: Partial<TxData>,
        logDecodeDependencies: { [contractName: string]: ContractAbi },
    ): Promise<IZeroExContract> {
        assert.isHexString('bytecode', bytecode);
        assert.doesConformToSchema('txDefaults', txDefaults, schemas.txDataSchema, [
            schemas.addressSchema,
            schemas.numberSchema,
            schemas.jsNumber,
        ]);
        const provider = providerUtils.standardizeOrThrow(supportedProvider);
        const constructorAbi = BaseContract._lookupConstructorAbi(abi);
        [] = BaseContract._formatABIDataItemList(constructorAbi.inputs, [], BaseContract._bigNumberToString);
        const iface = new ethers.utils.Interface(abi);
        const deployInfo = iface.deployFunction;
        const txData = deployInfo.encode(bytecode, []);
        const web3Wrapper = new Web3Wrapper(provider);
        const txDataWithDefaults = await BaseContract._applyDefaultsToContractTxDataAsync(
            {
                data: txData,
                ...txDefaults,
            },
            web3Wrapper.estimateGasAsync.bind(web3Wrapper),
        );
        const txHash = await web3Wrapper.sendTransactionAsync(txDataWithDefaults);
        logUtils.log(`transactionHash: ${txHash}`);
        const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(txHash);
        logUtils.log(`IZeroEx successfully deployed at ${txReceipt.contractAddress}`);
        const contractInstance = new IZeroExContract(
            txReceipt.contractAddress as string,
            provider,
            txDefaults,
            logDecodeDependencies,
        );
        contractInstance.constructorArgs = [];
        return contractInstance;
    }

    /**
     * @returns      The contract ABI
     */
    public static ABI(): ContractAbi {
        const abi = [
            {
                anonymous: false,
                inputs: [
                    {
                        name: 'hash',
                        type: 'bytes32',
                        indexed: false,
                    },
                    {
                        name: 'selector',
                        type: 'bytes4',
                        indexed: true,
                    },
                    {
                        name: 'signer',
                        type: 'address',
                        indexed: false,
                    },
                    {
                        name: 'sender',
                        type: 'address',
                        indexed: false,
                    },
                ],
                name: 'MetaTransactionExecuted',
                outputs: [],
                type: 'event',
            },
            {
                anonymous: false,
                inputs: [
                    {
                        name: 'caller',
                        type: 'address',
                        indexed: false,
                    },
                    {
                        name: 'migrator',
                        type: 'address',
                        indexed: false,
                    },
                    {
                        name: 'newOwner',
                        type: 'address',
                        indexed: false,
                    },
                ],
                name: 'Migrated',
                outputs: [],
                type: 'event',
            },
            {
                anonymous: false,
                inputs: [
                    {
                        name: 'previousOwner',
                        type: 'address',
                        indexed: true,
                    },
                    {
                        name: 'newOwner',
                        type: 'address',
                        indexed: true,
                    },
                ],
                name: 'OwnershipTransferred',
                outputs: [],
                type: 'event',
            },
            {
                anonymous: false,
                inputs: [
                    {
                        name: 'selector',
                        type: 'bytes4',
                        indexed: true,
                    },
                    {
                        name: 'oldImpl',
                        type: 'address',
                        indexed: false,
                    },
                    {
                        name: 'newImpl',
                        type: 'address',
                        indexed: false,
                    },
                ],
                name: 'ProxyFunctionUpdated',
                outputs: [],
                type: 'event',
            },
            {
                anonymous: false,
                inputs: [
                    {
                        name: 'quoteSigner',
                        type: 'address',
                        indexed: false,
                    },
                ],
                name: 'QuoteSignerUpdated',
                outputs: [],
                type: 'event',
            },
            {
                anonymous: false,
                inputs: [
                    {
                        name: 'taker',
                        type: 'address',
                        indexed: true,
                    },
                    {
                        name: 'inputToken',
                        type: 'address',
                        indexed: false,
                    },
                    {
                        name: 'outputToken',
                        type: 'address',
                        indexed: false,
                    },
                    {
                        name: 'inputTokenAmount',
                        type: 'uint256',
                        indexed: false,
                    },
                    {
                        name: 'outputTokenAmount',
                        type: 'uint256',
                        indexed: false,
                    },
                ],
                name: 'TransformedERC20',
                outputs: [],
                type: 'event',
            },
            {
                anonymous: false,
                inputs: [
                    {
                        name: 'transformerDeployer',
                        type: 'address',
                        indexed: false,
                    },
                ],
                name: 'TransformerDeployerUpdated',
                outputs: [],
                type: 'event',
            },
            {
                inputs: [
                    {
                        name: 'sender',
                        type: 'address',
                    },
                    {
                        name: 'mtx',
                        type: 'tuple',
                        components: [
                            {
                                name: 'signer',
                                type: 'address',
                            },
                            {
                                name: 'sender',
                                type: 'address',
                            },
                            {
                                name: 'minGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'maxGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'expirationTimeSeconds',
                                type: 'uint256',
                            },
                            {
                                name: 'salt',
                                type: 'uint256',
                            },
                            {
                                name: 'callData',
                                type: 'bytes',
                            },
                            {
                                name: 'value',
                                type: 'uint256',
                            },
                            {
                                name: 'feeToken',
                                type: 'address',
                            },
                            {
                                name: 'feeAmount',
                                type: 'uint256',
                            },
                        ],
                    },
                    {
                        name: 'signature',
                        type: 'bytes',
                    },
                ],
                name: '_executeMetaTransaction',
                outputs: [
                    {
                        name: 'returnResult',
                        type: 'bytes',
                    },
                ],
                stateMutability: 'payable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'token',
                        type: 'address',
                    },
                    {
                        name: 'owner',
                        type: 'address',
                    },
                    {
                        name: 'to',
                        type: 'address',
                    },
                    {
                        name: 'amount',
                        type: 'uint256',
                    },
                ],
                name: '_spendERC20Tokens',
                outputs: [],
                stateMutability: 'nonpayable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'args',
                        type: 'tuple',
                        components: [
                            {
                                name: 'taker',
                                type: 'address',
                            },
                            {
                                name: 'inputToken',
                                type: 'address',
                            },
                            {
                                name: 'outputToken',
                                type: 'address',
                            },
                            {
                                name: 'inputTokenAmount',
                                type: 'uint256',
                            },
                            {
                                name: 'minOutputTokenAmount',
                                type: 'uint256',
                            },
                            {
                                name: 'transformations',
                                type: 'tuple[]',
                                components: [
                                    {
                                        name: 'deploymentNonce',
                                        type: 'uint32',
                                    },
                                    {
                                        name: 'data',
                                        type: 'bytes',
                                    },
                                ],
                            },
                            {
                                name: 'callDataHash',
                                type: 'bytes32',
                            },
                            {
                                name: 'callDataSignature',
                                type: 'bytes',
                            },
                        ],
                    },
                ],
                name: '_transformERC20',
                outputs: [
                    {
                        name: 'outputTokenAmount',
                        type: 'uint256',
                    },
                ],
                stateMutability: 'payable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'mtxs',
                        type: 'tuple[]',
                        components: [
                            {
                                name: 'signer',
                                type: 'address',
                            },
                            {
                                name: 'sender',
                                type: 'address',
                            },
                            {
                                name: 'minGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'maxGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'expirationTimeSeconds',
                                type: 'uint256',
                            },
                            {
                                name: 'salt',
                                type: 'uint256',
                            },
                            {
                                name: 'callData',
                                type: 'bytes',
                            },
                            {
                                name: 'value',
                                type: 'uint256',
                            },
                            {
                                name: 'feeToken',
                                type: 'address',
                            },
                            {
                                name: 'feeAmount',
                                type: 'uint256',
                            },
                        ],
                    },
                    {
                        name: 'signatures',
                        type: 'bytes[]',
                    },
                ],
                name: 'batchExecuteMetaTransactions',
                outputs: [
                    {
                        name: 'returnResults',
                        type: 'bytes[]',
                    },
                ],
                stateMutability: 'payable',
                type: 'function',
            },
            {
                inputs: [],
                name: 'createTransformWallet',
                outputs: [
                    {
                        name: 'wallet',
                        type: 'address',
                    },
                ],
                stateMutability: 'nonpayable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'mtx',
                        type: 'tuple',
                        components: [
                            {
                                name: 'signer',
                                type: 'address',
                            },
                            {
                                name: 'sender',
                                type: 'address',
                            },
                            {
                                name: 'minGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'maxGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'expirationTimeSeconds',
                                type: 'uint256',
                            },
                            {
                                name: 'salt',
                                type: 'uint256',
                            },
                            {
                                name: 'callData',
                                type: 'bytes',
                            },
                            {
                                name: 'value',
                                type: 'uint256',
                            },
                            {
                                name: 'feeToken',
                                type: 'address',
                            },
                            {
                                name: 'feeAmount',
                                type: 'uint256',
                            },
                        ],
                    },
                    {
                        name: 'signature',
                        type: 'bytes',
                    },
                ],
                name: 'executeMetaTransaction',
                outputs: [
                    {
                        name: 'returnResult',
                        type: 'bytes',
                    },
                ],
                stateMutability: 'payable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'selector',
                        type: 'bytes4',
                    },
                    {
                        name: 'impl',
                        type: 'address',
                    },
                ],
                name: 'extend',
                outputs: [],
                stateMutability: 'nonpayable',
                type: 'function',
            },
            {
                inputs: [],
                name: 'getAllowanceTarget',
                outputs: [
                    {
                        name: 'target',
                        type: 'address',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'selector',
                        type: 'bytes4',
                    },
                ],
                name: 'getFunctionImplementation',
                outputs: [
                    {
                        name: 'impl',
                        type: 'address',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'mtx',
                        type: 'tuple',
                        components: [
                            {
                                name: 'signer',
                                type: 'address',
                            },
                            {
                                name: 'sender',
                                type: 'address',
                            },
                            {
                                name: 'minGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'maxGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'expirationTimeSeconds',
                                type: 'uint256',
                            },
                            {
                                name: 'salt',
                                type: 'uint256',
                            },
                            {
                                name: 'callData',
                                type: 'bytes',
                            },
                            {
                                name: 'value',
                                type: 'uint256',
                            },
                            {
                                name: 'feeToken',
                                type: 'address',
                            },
                            {
                                name: 'feeAmount',
                                type: 'uint256',
                            },
                        ],
                    },
                ],
                name: 'getMetaTransactionExecutedBlock',
                outputs: [
                    {
                        name: 'blockNumber',
                        type: 'uint256',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'mtx',
                        type: 'tuple',
                        components: [
                            {
                                name: 'signer',
                                type: 'address',
                            },
                            {
                                name: 'sender',
                                type: 'address',
                            },
                            {
                                name: 'minGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'maxGasPrice',
                                type: 'uint256',
                            },
                            {
                                name: 'expirationTimeSeconds',
                                type: 'uint256',
                            },
                            {
                                name: 'salt',
                                type: 'uint256',
                            },
                            {
                                name: 'callData',
                                type: 'bytes',
                            },
                            {
                                name: 'value',
                                type: 'uint256',
                            },
                            {
                                name: 'feeToken',
                                type: 'address',
                            },
                            {
                                name: 'feeAmount',
                                type: 'uint256',
                            },
                        ],
                    },
                ],
                name: 'getMetaTransactionHash',
                outputs: [
                    {
                        name: 'mtxHash',
                        type: 'bytes32',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'mtxHash',
                        type: 'bytes32',
                    },
                ],
                name: 'getMetaTransactionHashExecutedBlock',
                outputs: [
                    {
                        name: 'blockNumber',
                        type: 'uint256',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [],
                name: 'getQuoteSigner',
                outputs: [
                    {
                        name: 'signer',
                        type: 'address',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'selector',
                        type: 'bytes4',
                    },
                    {
                        name: 'idx',
                        type: 'uint256',
                    },
                ],
                name: 'getRollbackEntryAtIndex',
                outputs: [
                    {
                        name: 'impl',
                        type: 'address',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'selector',
                        type: 'bytes4',
                    },
                ],
                name: 'getRollbackLength',
                outputs: [
                    {
                        name: 'rollbackLength',
                        type: 'uint256',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'token',
                        type: 'address',
                    },
                    {
                        name: 'owner',
                        type: 'address',
                    },
                ],
                name: 'getSpendableERC20BalanceOf',
                outputs: [
                    {
                        name: 'amount',
                        type: 'uint256',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [],
                name: 'getTransformWallet',
                outputs: [
                    {
                        name: 'wallet',
                        type: 'address',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [],
                name: 'getTransformerDeployer',
                outputs: [
                    {
                        name: 'deployer',
                        type: 'address',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'hash',
                        type: 'bytes32',
                    },
                    {
                        name: 'signer',
                        type: 'address',
                    },
                    {
                        name: 'signature',
                        type: 'bytes',
                    },
                ],
                name: 'isValidHashSignature',
                outputs: [
                    {
                        name: 'isValid',
                        type: 'bool',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'target',
                        type: 'address',
                    },
                    {
                        name: 'data',
                        type: 'bytes',
                    },
                    {
                        name: 'newOwner',
                        type: 'address',
                    },
                ],
                name: 'migrate',
                outputs: [],
                stateMutability: 'nonpayable',
                type: 'function',
            },
            {
                inputs: [],
                name: 'owner',
                outputs: [
                    {
                        name: 'ownerAddress',
                        type: 'address',
                    },
                ],
                stateMutability: 'view',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'selector',
                        type: 'bytes4',
                    },
                    {
                        name: 'targetImpl',
                        type: 'address',
                    },
                ],
                name: 'rollback',
                outputs: [],
                stateMutability: 'nonpayable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'tokens',
                        type: 'address[]',
                    },
                    {
                        name: 'sellAmount',
                        type: 'uint256',
                    },
                    {
                        name: 'minBuyAmount',
                        type: 'uint256',
                    },
                    {
                        name: 'isSushi',
                        type: 'bool',
                    },
                ],
                name: 'sellToUniswap',
                outputs: [
                    {
                        name: 'buyAmount',
                        type: 'uint256',
                    },
                ],
                stateMutability: 'payable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'quoteSigner',
                        type: 'address',
                    },
                ],
                name: 'setQuoteSigner',
                outputs: [],
                stateMutability: 'nonpayable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'transformerDeployer',
                        type: 'address',
                    },
                ],
                name: 'setTransformerDeployer',
                outputs: [],
                stateMutability: 'nonpayable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'newOwner',
                        type: 'address',
                    },
                ],
                name: 'transferOwnership',
                outputs: [],
                stateMutability: 'nonpayable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'inputToken',
                        type: 'address',
                    },
                    {
                        name: 'outputToken',
                        type: 'address',
                    },
                    {
                        name: 'inputTokenAmount',
                        type: 'uint256',
                    },
                    {
                        name: 'minOutputTokenAmount',
                        type: 'uint256',
                    },
                    {
                        name: 'transformations',
                        type: 'tuple[]',
                        components: [
                            {
                                name: 'deploymentNonce',
                                type: 'uint32',
                            },
                            {
                                name: 'data',
                                type: 'bytes',
                            },
                        ],
                    },
                ],
                name: 'transformERC20',
                outputs: [
                    {
                        name: 'outputTokenAmount',
                        type: 'uint256',
                    },
                ],
                stateMutability: 'payable',
                type: 'function',
            },
            {
                inputs: [
                    {
                        name: 'hash',
                        type: 'bytes32',
                    },
                    {
                        name: 'signer',
                        type: 'address',
                    },
                    {
                        name: 'signature',
                        type: 'bytes',
                    },
                ],
                name: 'validateHashSignature',
                outputs: [],
                stateMutability: 'view',
                type: 'function',
            },
        ] as ContractAbi;
        return abi;
    }

    protected static async _deployLibrariesAsync(
        artifact: ContractArtifact,
        libraryArtifacts: { [libraryName: string]: ContractArtifact },
        web3Wrapper: Web3Wrapper,
        txDefaults: Partial<TxData>,
        libraryAddresses: { [libraryName: string]: string } = {},
    ): Promise<{ [libraryName: string]: string }> {
        const links = artifact.compilerOutput.evm.bytecode.linkReferences;
        // Go through all linked libraries, recursively deploying them if necessary.
        for (const link of Object.values(links)) {
            for (const libraryName of Object.keys(link)) {
                if (!libraryAddresses[libraryName]) {
                    // Library not yet deployed.
                    const libraryArtifact = libraryArtifacts[libraryName];
                    if (!libraryArtifact) {
                        throw new Error(`Missing artifact for linked library "${libraryName}"`);
                    }
                    // Deploy any dependent libraries used by this library.
                    await IZeroExContract._deployLibrariesAsync(
                        libraryArtifact,
                        libraryArtifacts,
                        web3Wrapper,
                        txDefaults,
                        libraryAddresses,
                    );
                    // Deploy this library.
                    const linkedLibraryBytecode = linkLibrariesInBytecode(libraryArtifact, libraryAddresses);
                    const txDataWithDefaults = await BaseContract._applyDefaultsToContractTxDataAsync(
                        {
                            data: linkedLibraryBytecode,
                            ...txDefaults,
                        },
                        web3Wrapper.estimateGasAsync.bind(web3Wrapper),
                    );
                    const txHash = await web3Wrapper.sendTransactionAsync(txDataWithDefaults);
                    logUtils.log(`transactionHash: ${txHash}`);
                    const { contractAddress } = await web3Wrapper.awaitTransactionSuccessAsync(txHash);
                    logUtils.log(`${libraryArtifact.contractName} successfully deployed at ${contractAddress}`);
                    libraryAddresses[libraryArtifact.contractName] = contractAddress as string;
                }
            }
        }
        return libraryAddresses;
    }

    public getFunctionSignature(methodName: string): string {
        const index = this._methodABIIndex[methodName];
        const methodAbi = IZeroExContract.ABI()[index] as MethodAbi; // tslint:disable-line:no-unnecessary-type-assertion
        const functionSignature = methodAbiToFunctionSignature(methodAbi);
        return functionSignature;
    }

    public getABIDecodedTransactionData<T>(methodName: string, callData: string): T {
        const functionSignature = this.getFunctionSignature(methodName);
        const self = (this as any) as IZeroExContract;
        const abiEncoder = self._lookupAbiEncoder(functionSignature);
        const abiDecodedCallData = abiEncoder.strictDecode<T>(callData);
        return abiDecodedCallData;
    }

    public getABIDecodedReturnData<T>(methodName: string, callData: string): T {
        const functionSignature = this.getFunctionSignature(methodName);
        const self = (this as any) as IZeroExContract;
        const abiEncoder = self._lookupAbiEncoder(functionSignature);
        const abiDecodedCallData = abiEncoder.strictDecodeReturnValue<T>(callData);
        return abiDecodedCallData;
    }

    public getSelector(methodName: string): string {
        const functionSignature = this.getFunctionSignature(methodName);
        const self = (this as any) as IZeroExContract;
        const abiEncoder = self._lookupAbiEncoder(functionSignature);
        return abiEncoder.getSelector();
    }

    /**
     * Execute a meta-transaction via `sender`. Privileged variant.
     * Only callable from within.
     * @param sender Who is executing the meta-transaction..
     * @param mtx The meta-transaction.
     * @param signature The signature by `mtx.signer`.
     */
    public _executeMetaTransaction(
        sender: string,
        mtx: {
            signer: string;
            sender: string;
            minGasPrice: BigNumber;
            maxGasPrice: BigNumber;
            expirationTimeSeconds: BigNumber;
            salt: BigNumber;
            callData: string;
            value: BigNumber;
            feeToken: string;
            feeAmount: BigNumber;
        },
        signature: string,
    ): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        assert.isString('sender', sender);

        assert.isString('signature', signature);
        const functionSignature =
            '_executeMetaTransaction(address,(address,address,uint256,uint256,uint256,uint256,bytes,uint256,address,uint256),bytes)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [sender.toLowerCase(), mtx, signature]);
            },
        };
    }
    /**
     * Transfers ERC20 tokens from `owner` to `to`.
     * Only callable from within.
     * @param token The token to spend.
     * @param owner The owner of the tokens.
     * @param to The recipient of the tokens.
     * @param amount The amount of `token` to transfer.
     */
    public _spendERC20Tokens(token: string, owner: string, to: string, amount: BigNumber): ContractTxFunctionObj<void> {
        const self = (this as any) as IZeroExContract;
        assert.isString('token', token);
        assert.isString('owner', owner);
        assert.isString('to', to);
        assert.isBigNumber('amount', amount);
        const functionSignature = '_spendERC20Tokens(address,address,address,uint256)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<void> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<void>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [
                    token.toLowerCase(),
                    owner.toLowerCase(),
                    to.toLowerCase(),
                    amount,
                ]);
            },
        };
    }
    /**
     * Internal version of `transformERC20()`. Only callable from within.
     * @param args A `TransformERC20Args` struct.
     */
    public _transformERC20(args: {
        taker: string;
        inputToken: string;
        outputToken: string;
        inputTokenAmount: BigNumber;
        minOutputTokenAmount: BigNumber;
        transformations: Array<{ deploymentNonce: number | BigNumber; data: string }>;
        callDataHash: string;
        callDataSignature: string;
    }): ContractTxFunctionObj<BigNumber> {
        const self = (this as any) as IZeroExContract;

        const functionSignature =
            '_transformERC20((address,address,address,uint256,uint256,(uint32,bytes)[],bytes32,bytes))';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<BigNumber> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<BigNumber>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [args]);
            },
        };
    }
    /**
     * Execute multiple meta-transactions.
     * @param mtxs The meta-transactions.
     * @param signatures The signature by each respective `mtx.signer`.
     */
    public batchExecuteMetaTransactions(
        mtxs: Array<{
            signer: string;
            sender: string;
            minGasPrice: BigNumber;
            maxGasPrice: BigNumber;
            expirationTimeSeconds: BigNumber;
            salt: BigNumber;
            callData: string;
            value: BigNumber;
            feeToken: string;
            feeAmount: BigNumber;
        }>,
        signatures: string[],
    ): ContractTxFunctionObj<string[]> {
        const self = (this as any) as IZeroExContract;
        assert.isArray('mtxs', mtxs);
        assert.isArray('signatures', signatures);
        const functionSignature =
            'batchExecuteMetaTransactions((address,address,uint256,uint256,uint256,uint256,bytes,uint256,address,uint256)[],bytes[])';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string[]> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string[]>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [mtxs, signatures]);
            },
        };
    }
    /**
     * Deploy a new flash wallet instance and replace the current one with it.
     * Useful if we somehow break the current wallet instance.
     * Only callable by the owner.
     */
    public createTransformWallet(): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        const functionSignature = 'createTransformWallet()';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, []);
            },
        };
    }
    /**
     * Execute a single meta-transaction.
     * @param mtx The meta-transaction.
     * @param signature The signature by `mtx.signer`.
     */
    public executeMetaTransaction(
        mtx: {
            signer: string;
            sender: string;
            minGasPrice: BigNumber;
            maxGasPrice: BigNumber;
            expirationTimeSeconds: BigNumber;
            salt: BigNumber;
            callData: string;
            value: BigNumber;
            feeToken: string;
            feeAmount: BigNumber;
        },
        signature: string,
    ): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;

        assert.isString('signature', signature);
        const functionSignature =
            'executeMetaTransaction((address,address,uint256,uint256,uint256,uint256,bytes,uint256,address,uint256),bytes)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [mtx, signature]);
            },
        };
    }
    /**
     * Register or replace a function.
     * @param selector The function selector.
     * @param impl The implementation contract for the function.
     */
    public extend(selector: string, impl: string): ContractTxFunctionObj<void> {
        const self = (this as any) as IZeroExContract;
        assert.isString('selector', selector);
        assert.isString('impl', impl);
        const functionSignature = 'extend(bytes4,address)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<void> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<void>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [selector, impl.toLowerCase()]);
            },
        };
    }
    /**
     * Get the address of the allowance target.
     */
    public getAllowanceTarget(): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        const functionSignature = 'getAllowanceTarget()';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, []);
            },
        };
    }
    /**
     * Get the implementation contract of a registered function.
     * @param selector The function selector.
     */
    public getFunctionImplementation(selector: string): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        assert.isString('selector', selector);
        const functionSignature = 'getFunctionImplementation(bytes4)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [selector]);
            },
        };
    }
    /**
     * Get the block at which a meta-transaction has been executed.
     * @param mtx The meta-transaction.
     */
    public getMetaTransactionExecutedBlock(mtx: {
        signer: string;
        sender: string;
        minGasPrice: BigNumber;
        maxGasPrice: BigNumber;
        expirationTimeSeconds: BigNumber;
        salt: BigNumber;
        callData: string;
        value: BigNumber;
        feeToken: string;
        feeAmount: BigNumber;
    }): ContractTxFunctionObj<BigNumber> {
        const self = (this as any) as IZeroExContract;

        const functionSignature =
            'getMetaTransactionExecutedBlock((address,address,uint256,uint256,uint256,uint256,bytes,uint256,address,uint256))';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<BigNumber> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<BigNumber>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [mtx]);
            },
        };
    }
    /**
     * Get the EIP712 hash of a meta-transaction.
     * @param mtx The meta-transaction.
     */
    public getMetaTransactionHash(mtx: {
        signer: string;
        sender: string;
        minGasPrice: BigNumber;
        maxGasPrice: BigNumber;
        expirationTimeSeconds: BigNumber;
        salt: BigNumber;
        callData: string;
        value: BigNumber;
        feeToken: string;
        feeAmount: BigNumber;
    }): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;

        const functionSignature =
            'getMetaTransactionHash((address,address,uint256,uint256,uint256,uint256,bytes,uint256,address,uint256))';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [mtx]);
            },
        };
    }
    /**
     * Get the block at which a meta-transaction hash has been executed.
     * @param mtxHash The meta-transaction hash.
     */
    public getMetaTransactionHashExecutedBlock(mtxHash: string): ContractTxFunctionObj<BigNumber> {
        const self = (this as any) as IZeroExContract;
        assert.isString('mtxHash', mtxHash);
        const functionSignature = 'getMetaTransactionHashExecutedBlock(bytes32)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<BigNumber> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<BigNumber>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [mtxHash]);
            },
        };
    }
    /**
     * Return the optional signer for `transformERC20()` calldata.
     */
    public getQuoteSigner(): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        const functionSignature = 'getQuoteSigner()';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, []);
            },
        };
    }
    /**
     * Retrieve an entry in the rollback history for a function.
     * @param selector The function selector.
     * @param idx The index in the rollback history.
     */
    public getRollbackEntryAtIndex(selector: string, idx: BigNumber): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        assert.isString('selector', selector);
        assert.isBigNumber('idx', idx);
        const functionSignature = 'getRollbackEntryAtIndex(bytes4,uint256)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [selector, idx]);
            },
        };
    }
    /**
     * Retrieve the length of the rollback history for a function.
     * @param selector The function selector.
     */
    public getRollbackLength(selector: string): ContractTxFunctionObj<BigNumber> {
        const self = (this as any) as IZeroExContract;
        assert.isString('selector', selector);
        const functionSignature = 'getRollbackLength(bytes4)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<BigNumber> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<BigNumber>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [selector]);
            },
        };
    }
    /**
     * Gets the maximum amount of an ERC20 token `token` that can be
     * pulled from `owner`.
     * @param token The token to spend.
     * @param owner The owner of the tokens.
     */
    public getSpendableERC20BalanceOf(token: string, owner: string): ContractTxFunctionObj<BigNumber> {
        const self = (this as any) as IZeroExContract;
        assert.isString('token', token);
        assert.isString('owner', owner);
        const functionSignature = 'getSpendableERC20BalanceOf(address,address)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<BigNumber> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<BigNumber>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [token.toLowerCase(), owner.toLowerCase()]);
            },
        };
    }
    /**
     * Return the current wallet instance that will serve as the execution
     * context for transformations.
     */
    public getTransformWallet(): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        const functionSignature = 'getTransformWallet()';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, []);
            },
        };
    }
    /**
     * Return the allowed deployer for transformers.
     */
    public getTransformerDeployer(): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        const functionSignature = 'getTransformerDeployer()';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, []);
            },
        };
    }
    /**
     * Check that `hash` was signed by `signer` given `signature`.
     * @param hash The hash that was signed.
     * @param signer The signer of the hash.
     * @param signature The signature. The last byte of this signature should
     *      be a member of the `SignatureType` enum.
     */
    public isValidHashSignature(hash: string, signer: string, signature: string): ContractTxFunctionObj<boolean> {
        const self = (this as any) as IZeroExContract;
        assert.isString('hash', hash);
        assert.isString('signer', signer);
        assert.isString('signature', signature);
        const functionSignature = 'isValidHashSignature(bytes32,address,bytes)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<boolean> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<boolean>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [hash, signer.toLowerCase(), signature]);
            },
        };
    }
    /**
     * Execute a migration function in the context of the ZeroEx contract.
     * The result of the function being called should be the magic bytes
     * 0x2c64c5ef (`keccack('MIGRATE_SUCCESS')`). Only callable by the owner.
     * The owner will be temporarily set to `address(this)` inside the call.
     * Before returning, the owner will be set to `newOwner`.
     * @param target The migrator contract address.
     * @param data The call data.
     * @param newOwner The address of the new owner.
     */
    public migrate(target: string, data: string, newOwner: string): ContractTxFunctionObj<void> {
        const self = (this as any) as IZeroExContract;
        assert.isString('target', target);
        assert.isString('data', data);
        assert.isString('newOwner', newOwner);
        const functionSignature = 'migrate(address,bytes,address)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<void> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<void>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [
                    target.toLowerCase(),
                    data,
                    newOwner.toLowerCase(),
                ]);
            },
        };
    }
    /**
     * The owner of this contract.
     */
    public owner(): ContractTxFunctionObj<string> {
        const self = (this as any) as IZeroExContract;
        const functionSignature = 'owner()';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<string> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<string>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, []);
            },
        };
    }
    /**
     * Roll back to a prior implementation of a function.
     * @param selector The function selector.
     * @param targetImpl The address of an older implementation of the function.
     */
    public rollback(selector: string, targetImpl: string): ContractTxFunctionObj<void> {
        const self = (this as any) as IZeroExContract;
        assert.isString('selector', selector);
        assert.isString('targetImpl', targetImpl);
        const functionSignature = 'rollback(bytes4,address)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<void> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<void>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [selector, targetImpl.toLowerCase()]);
            },
        };
    }
    /**
     * Efficiently sell directly to uniswap/sushiswap.
     * @param tokens Sell path.
     * @param sellAmount of `tokens[0]` Amount to sell.
     * @param minBuyAmount Minimum amount of `tokens[-1]` to buy.
     * @param isSushi Use sushiswap if true.
     */
    public sellToUniswap(
        tokens: string[],
        sellAmount: BigNumber,
        minBuyAmount: BigNumber,
        isSushi: boolean,
    ): ContractTxFunctionObj<BigNumber> {
        const self = (this as any) as IZeroExContract;
        assert.isArray('tokens', tokens);
        assert.isBigNumber('sellAmount', sellAmount);
        assert.isBigNumber('minBuyAmount', minBuyAmount);
        assert.isBoolean('isSushi', isSushi);
        const functionSignature = 'sellToUniswap(address[],uint256,uint256,bool)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<BigNumber> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<BigNumber>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [tokens, sellAmount, minBuyAmount, isSushi]);
            },
        };
    }
    /**
     * Replace the optional signer for `transformERC20()` calldata.
     * Only callable by the owner.
     * @param quoteSigner The address of the new calldata signer.
     */
    public setQuoteSigner(quoteSigner: string): ContractTxFunctionObj<void> {
        const self = (this as any) as IZeroExContract;
        assert.isString('quoteSigner', quoteSigner);
        const functionSignature = 'setQuoteSigner(address)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<void> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<void>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [quoteSigner.toLowerCase()]);
            },
        };
    }
    /**
     * Replace the allowed deployer for transformers.
     * Only callable by the owner.
     * @param transformerDeployer The address of the new trusted deployer
     *     for transformers.
     */
    public setTransformerDeployer(transformerDeployer: string): ContractTxFunctionObj<void> {
        const self = (this as any) as IZeroExContract;
        assert.isString('transformerDeployer', transformerDeployer);
        const functionSignature = 'setTransformerDeployer(address)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<void> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<void>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [transformerDeployer.toLowerCase()]);
            },
        };
    }
    /**
     * Transfers ownership of the contract to a new address.
     * @param newOwner The address that will become the owner.
     */
    public transferOwnership(newOwner: string): ContractTxFunctionObj<void> {
        const self = (this as any) as IZeroExContract;
        assert.isString('newOwner', newOwner);
        const functionSignature = 'transferOwnership(address)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<void> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<void>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [newOwner.toLowerCase()]);
            },
        };
    }
    /**
     * Executes a series of transformations to convert an ERC20 `inputToken`
     * to an ERC20 `outputToken`.
     * @param inputToken The token being provided by the sender.        If
     *     `0xeee...`, ETH is implied and should be provided with the call.`
     * @param outputToken The token to be acquired by the sender.        `0xeee...`
     *     implies ETH.
     * @param inputTokenAmount The amount of `inputToken` to take from the sender.
     * @param minOutputTokenAmount The minimum amount of `outputToken` the sender
     *          must receive for the entire transformation to succeed.
     * @param transformations The transformations to execute on the token
     *     balance(s)        in sequence.
     */
    public transformERC20(
        inputToken: string,
        outputToken: string,
        inputTokenAmount: BigNumber,
        minOutputTokenAmount: BigNumber,
        transformations: Array<{ deploymentNonce: number | BigNumber; data: string }>,
    ): ContractTxFunctionObj<BigNumber> {
        const self = (this as any) as IZeroExContract;
        assert.isString('inputToken', inputToken);
        assert.isString('outputToken', outputToken);
        assert.isBigNumber('inputTokenAmount', inputTokenAmount);
        assert.isBigNumber('minOutputTokenAmount', minOutputTokenAmount);
        assert.isArray('transformations', transformations);
        const functionSignature = 'transformERC20(address,address,uint256,uint256,(uint32,bytes)[])';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<BigNumber> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<BigNumber>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [
                    inputToken.toLowerCase(),
                    outputToken.toLowerCase(),
                    inputTokenAmount,
                    minOutputTokenAmount,
                    transformations,
                ]);
            },
        };
    }
    /**
     * Validate that `hash` was signed by `signer` given `signature`.
     * Reverts otherwise.
     * @param hash The hash that was signed.
     * @param signer The signer of the hash.
     * @param signature The signature. The last byte of this signature should
     *      be a member of the `SignatureType` enum.
     */
    public validateHashSignature(hash: string, signer: string, signature: string): ContractTxFunctionObj<void> {
        const self = (this as any) as IZeroExContract;
        assert.isString('hash', hash);
        assert.isString('signer', signer);
        assert.isString('signature', signature);
        const functionSignature = 'validateHashSignature(bytes32,address,bytes)';

        return {
            async sendTransactionAsync(
                txData?: Partial<TxData> | undefined,
                opts: SendTransactionOpts = { shouldValidate: true },
            ): Promise<string> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
                    { data: this.getABIEncodedTransactionData(), ...txData },
                    this.estimateGasAsync.bind(this),
                );
                if (opts.shouldValidate !== false) {
                    await this.callAsync(txDataWithDefaults);
                }
                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
            },
            awaitTransactionSuccessAsync(
                txData?: Partial<TxData>,
                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
            },
            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
                    data: this.getABIEncodedTransactionData(),
                    ...txData,
                });
                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
            },
            async callAsync(callData: Partial<CallData> = {}, defaultBlock?: BlockParam): Promise<void> {
                BaseContract._assertCallParams(callData, defaultBlock);
                const rawCallResult = await self._performCallAsync(
                    { data: this.getABIEncodedTransactionData(), ...callData },
                    defaultBlock,
                );
                const abiEncoder = self._lookupAbiEncoder(functionSignature);
                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
                return abiEncoder.strictDecodeReturnValue<void>(rawCallResult);
            },
            getABIEncodedTransactionData(): string {
                return self._strictEncodeArguments(functionSignature, [hash, signer.toLowerCase(), signature]);
            },
        };
    }

    /**
     * Subscribe to an event type emitted by the IZeroEx contract.
     * @param eventName The IZeroEx contract event you would like to subscribe to.
     * @param indexFilterValues An object where the keys are indexed args returned by the event and
     * the value is the value you are interested in. E.g `{maker: aUserAddressHex}`
     * @param callback Callback that gets called when a log is added/removed
     * @param isVerbose Enable verbose subscription warnings (e.g recoverable network issues encountered)
     * @return Subscription token used later to unsubscribe
     */
    public subscribe<ArgsType extends IZeroExEventArgs>(
        eventName: IZeroExEvents,
        indexFilterValues: IndexedFilterValues,
        callback: EventCallback<ArgsType>,
        isVerbose: boolean = false,
        blockPollingIntervalMs?: number,
    ): string {
        assert.doesBelongToStringEnum('eventName', eventName, IZeroExEvents);
        assert.doesConformToSchema('indexFilterValues', indexFilterValues, schemas.indexFilterValuesSchema);
        assert.isFunction('callback', callback);
        const subscriptionToken = this._subscriptionManager.subscribe<ArgsType>(
            this.address,
            eventName,
            indexFilterValues,
            IZeroExContract.ABI(),
            callback,
            isVerbose,
            blockPollingIntervalMs,
        );
        return subscriptionToken;
    }

    /**
     * Cancel a subscription
     * @param subscriptionToken Subscription token returned by `subscribe()`
     */
    public unsubscribe(subscriptionToken: string): void {
        this._subscriptionManager.unsubscribe(subscriptionToken);
    }

    /**
     * Cancels all existing subscriptions
     */
    public unsubscribeAll(): void {
        this._subscriptionManager.unsubscribeAll();
    }

    /**
     * Gets historical logs without creating a subscription
     * @param eventName The IZeroEx contract event you would like to subscribe to.
     * @param blockRange Block range to get logs from.
     * @param indexFilterValues An object where the keys are indexed args returned by the event and
     * the value is the value you are interested in. E.g `{_from: aUserAddressHex}`
     * @return Array of logs that match the parameters
     */
    public async getLogsAsync<ArgsType extends IZeroExEventArgs>(
        eventName: IZeroExEvents,
        blockRange: BlockRange,
        indexFilterValues: IndexedFilterValues,
    ): Promise<Array<LogWithDecodedArgs<ArgsType>>> {
        assert.doesBelongToStringEnum('eventName', eventName, IZeroExEvents);
        assert.doesConformToSchema('blockRange', blockRange, schemas.blockRangeSchema);
        assert.doesConformToSchema('indexFilterValues', indexFilterValues, schemas.indexFilterValuesSchema);
        const logs = await this._subscriptionManager.getLogsAsync<ArgsType>(
            this.address,
            eventName,
            blockRange,
            indexFilterValues,
            IZeroExContract.ABI(),
        );
        return logs;
    }

    constructor(
        address: string,
        supportedProvider: SupportedProvider,
        txDefaults?: Partial<TxData>,
        logDecodeDependencies?: { [contractName: string]: ContractAbi },
        deployedBytecode: string | undefined = IZeroExContract.deployedBytecode,
    ) {
        super(
            'IZeroEx',
            IZeroExContract.ABI(),
            address,
            supportedProvider,
            txDefaults,
            logDecodeDependencies,
            deployedBytecode,
        );
        classUtils.bindAll(this, ['_abiEncoderByFunctionSignature', 'address', '_web3Wrapper']);
        this._subscriptionManager = new SubscriptionManager<IZeroExEventArgs, IZeroExEvents>(
            IZeroExContract.ABI(),
            this._web3Wrapper,
        );
        IZeroExContract.ABI().forEach((item, index) => {
            if (item.type === 'function') {
                const methodAbi = item as MethodAbi;
                this._methodABIIndex[methodAbi.name] = index;
            }
        });
    }
}

// tslint:disable:max-file-line-count
// tslint:enable:no-unbound-method no-parameter-reassignment no-consecutive-blank-lines ordered-imports align
// tslint:enable:trailing-comma whitespace no-trailing-whitespace