diff options
Diffstat (limited to 'packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts')
| -rw-r--r-- | packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts | 217 |
1 files changed, 121 insertions, 96 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts index 906222731..b6fc071ea 100644 --- a/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts +++ b/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts @@ -1,3 +1,5 @@ +import { ForwarderContract } from '@0xproject/abi-gen-wrappers'; +import { Forwarder } from '@0xproject/contract-artifacts'; import { schemas } from '@0xproject/json-schemas'; import { AssetProxyId, SignedOrder } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; @@ -5,54 +7,76 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper'; import { ContractAbi } from 'ethereum-types'; import * as _ from 'lodash'; -import { artifacts } from '../artifacts'; import { orderTxOptsSchema } from '../schemas/order_tx_opts_schema'; import { txOptsSchema } from '../schemas/tx_opts_schema'; -import { TransactionOpts } from '../types'; +import { OrderTransactionOpts } from '../types'; import { assert } from '../utils/assert'; import { calldataOptimizationUtils } from '../utils/calldata_optimization_utils'; import { constants } from '../utils/constants'; +import { _getDefaultContractAddresses } from '../utils/contract_addresses'; +import { decorators } from '../utils/decorators'; import { utils } from '../utils/utils'; import { ContractWrapper } from './contract_wrapper'; -import { ForwarderContract } from './generated/forwarder'; /** * This class includes the functionality related to interacting with the Forwarder contract. */ export class ForwarderWrapper extends ContractWrapper { - public abi: ContractAbi = artifacts.Forwarder.compilerOutput.abi; + public abi: ContractAbi = Forwarder.compilerOutput.abi; + public address: string; + public zrxTokenAddress: string; + public etherTokenAddress: string; private _forwarderContractIfExists?: ForwarderContract; - private _contractAddressIfExists?: string; - private _zrxContractAddressIfExists?: string; + + /** + * Instantiate ForwarderWrapper + * @param web3Wrapper Web3Wrapper instance to use. + * @param networkId Desired networkId. + * @param address The address of the Exchange contract. If undefined, will + * default to the known address corresponding to the networkId. + * @param zrxTokenAddress The address of the ZRXToken contract. If + * undefined, will default to the known address corresponding to the + * networkId. + * @param etherTokenAddress The address of a WETH (Ether token) contract. If + * undefined, will default to the known address corresponding to the + * networkId. + */ constructor( web3Wrapper: Web3Wrapper, networkId: number, - contractAddressIfExists?: string, - zrxContractAddressIfExists?: string, + address?: string, + zrxTokenAddress?: string, + etherTokenAddress?: string, ) { super(web3Wrapper, networkId); - this._contractAddressIfExists = contractAddressIfExists; - this._zrxContractAddressIfExists = zrxContractAddressIfExists; + this.address = _.isUndefined(address) ? _getDefaultContractAddresses(networkId).exchange : address; + this.zrxTokenAddress = _.isUndefined(zrxTokenAddress) + ? _getDefaultContractAddresses(networkId).zrxToken + : zrxTokenAddress; + this.etherTokenAddress = _.isUndefined(etherTokenAddress) + ? _getDefaultContractAddresses(networkId).etherToken + : etherTokenAddress; } /** * Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value. * Any ZRX required to pay fees for primary orders will automatically be purchased by this contract. * 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH). * Any ETH not spent will be refunded to sender. - * @param signedOrders An array of objects that conform to the SignedOrder interface. All orders must specify the same makerAsset. - * All orders must specify WETH as the takerAsset - * @param takerAddress The user Ethereum address who would like to fill this order. Must be available via the supplied - * Provider provided at instantiation. - * @param ethAmount The amount of eth to send with the transaction (in wei). - * @param signedFeeOrders An array of objects that conform to the SignedOrder interface. All orders must specify ZRX as makerAsset and WETH as takerAsset. - * Used to purchase ZRX for primary order fees. - * @param feePercentage The percentage of WETH sold that will payed as fee to forwarding contract feeRecipient. - * Defaults to 0. - * @param feeRecipientAddress The address that will receive ETH when signedFeeOrders are filled. - * @param txOpts Transaction parameters. + * @param signedOrders An array of objects that conform to the SignedOrder interface. All orders must specify the same makerAsset. + * All orders must specify WETH as the takerAsset + * @param takerAddress The user Ethereum address who would like to fill this order. Must be available via the supplied + * Provider provided at instantiation. + * @param ethAmount The amount of eth to send with the transaction (in wei). + * @param signedFeeOrders An array of objects that conform to the SignedOrder interface. All orders must specify ZRX as makerAsset and WETH as takerAsset. + * Used to purchase ZRX for primary order fees. + * @param feePercentage The percentage of WETH sold that will payed as fee to forwarding contract feeRecipient. + * Defaults to 0. + * @param feeRecipientAddress The address that will receive ETH when signedFeeOrders are filled. + * @param orderTransactionOpts Transaction parameters. * @return Transaction hash. */ + @decorators.asyncZeroExErrorHandler public async marketSellOrdersWithEthAsync( signedOrders: SignedOrder[], takerAddress: string, @@ -60,7 +84,7 @@ export class ForwarderWrapper extends ContractWrapper { signedFeeOrders: SignedOrder[] = [], feePercentage: number = 0, feeRecipientAddress: string = constants.NULL_ADDRESS, - txOpts: TransactionOpts = {}, + orderTransactionOpts: OrderTransactionOpts = { shouldValidate: true }, ): Promise<string> { // type assertions assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema); @@ -69,14 +93,10 @@ export class ForwarderWrapper extends ContractWrapper { assert.doesConformToSchema('signedFeeOrders', signedFeeOrders, schemas.signedOrdersSchema); assert.isNumber('feePercentage', feePercentage); assert.isETHAddressHex('feeRecipientAddress', feeRecipientAddress); - assert.doesConformToSchema('txOpts', txOpts, txOptsSchema); + assert.doesConformToSchema('orderTransactionOpts', orderTransactionOpts, orderTxOptsSchema, [txOptsSchema]); // other assertions - assert.ordersCanBeUsedForForwarderContract(signedOrders, this.getEtherTokenAddress()); - assert.feeOrdersCanBeUsedForForwarderContract( - signedFeeOrders, - this.getZRXTokenAddress(), - this.getEtherTokenAddress(), - ); + assert.ordersCanBeUsedForForwarderContract(signedOrders, this.etherTokenAddress); + assert.feeOrdersCanBeUsedForForwarderContract(signedFeeOrders, this.zrxTokenAddress, this.etherTokenAddress); // format feePercentage const formattedFeePercentage = utils.numberPercentageToEtherTokenAmountPercentage(feePercentage); // lowercase input addresses @@ -85,20 +105,41 @@ export class ForwarderWrapper extends ContractWrapper { // optimize orders const optimizedMarketOrders = calldataOptimizationUtils.optimizeForwarderOrders(signedOrders); const optimizedFeeOrders = calldataOptimizationUtils.optimizeForwarderFeeOrders(signedFeeOrders); - // send transaction + // compile signatures + const signatures = _.map(optimizedMarketOrders, order => order.signature); + const feeSignatures = _.map(optimizedFeeOrders, order => order.signature); + // get contract const forwarderContractInstance = await this._getForwarderContractAsync(); + // validate transaction + if (orderTransactionOpts.shouldValidate) { + await forwarderContractInstance.marketSellOrdersWithEth.callAsync( + optimizedMarketOrders, + signatures, + optimizedFeeOrders, + feeSignatures, + formattedFeePercentage, + feeRecipientAddress, + { + value: ethAmount, + from: normalizedTakerAddress, + gas: orderTransactionOpts.gasLimit, + gasPrice: orderTransactionOpts.gasPrice, + }, + ); + } + // send transaction const txHash = await forwarderContractInstance.marketSellOrdersWithEth.sendTransactionAsync( optimizedMarketOrders, - _.map(optimizedMarketOrders, order => order.signature), + signatures, optimizedFeeOrders, - _.map(optimizedFeeOrders, order => order.signature), + feeSignatures, formattedFeePercentage, feeRecipientAddress, { value: ethAmount, from: normalizedTakerAddress, - gas: txOpts.gasLimit, - gasPrice: txOpts.gasPrice, + gas: orderTransactionOpts.gasLimit, + gasPrice: orderTransactionOpts.gasPrice, }, ); return txHash; @@ -107,20 +148,21 @@ export class ForwarderWrapper extends ContractWrapper { * Attempt to purchase makerAssetFillAmount of makerAsset by selling ethAmount provided with transaction. * Any ZRX required to pay fees for primary orders will automatically be purchased by the contract. * Any ETH not spent will be refunded to sender. - * @param signedOrders An array of objects that conform to the SignedOrder interface. All orders must specify the same makerAsset. - * All orders must specify WETH as the takerAsset - * @param makerAssetFillAmount The amount of the order (in taker asset baseUnits) that you wish to fill. - * @param takerAddress The user Ethereum address who would like to fill this order. Must be available via the supplied - * Provider provided at instantiation. - * @param ethAmount The amount of eth to send with the transaction (in wei). - * @param signedFeeOrders An array of objects that conform to the SignedOrder interface. All orders must specify ZRX as makerAsset and WETH as takerAsset. - * Used to purchase ZRX for primary order fees. - * @param feePercentage The percentage of WETH sold that will payed as fee to forwarding contract feeRecipient. - * Defaults to 0. - * @param feeRecipientAddress The address that will receive ETH when signedFeeOrders are filled. - * @param txOpts Transaction parameters. + * @param signedOrders An array of objects that conform to the SignedOrder interface. All orders must specify the same makerAsset. + * All orders must specify WETH as the takerAsset + * @param makerAssetFillAmount The amount of the order (in taker asset baseUnits) that you wish to fill. + * @param takerAddress The user Ethereum address who would like to fill this order. Must be available via the supplied + * Provider provided at instantiation. + * @param ethAmount The amount of eth to send with the transaction (in wei). + * @param signedFeeOrders An array of objects that conform to the SignedOrder interface. All orders must specify ZRX as makerAsset and WETH as takerAsset. + * Used to purchase ZRX for primary order fees. + * @param feePercentage The percentage of WETH sold that will payed as fee to forwarding contract feeRecipient. + * Defaults to 0. + * @param feeRecipientAddress The address that will receive ETH when signedFeeOrders are filled. + * @param orderTransactionOpts Transaction parameters. * @return Transaction hash. */ + @decorators.asyncZeroExErrorHandler public async marketBuyOrdersWithEthAsync( signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber, @@ -129,7 +171,7 @@ export class ForwarderWrapper extends ContractWrapper { signedFeeOrders: SignedOrder[] = [], feePercentage: number = 0, feeRecipientAddress: string = constants.NULL_ADDRESS, - txOpts: TransactionOpts = {}, + orderTransactionOpts: OrderTransactionOpts = { shouldValidate: true }, ): Promise<string> { // type assertions assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema); @@ -139,14 +181,10 @@ export class ForwarderWrapper extends ContractWrapper { assert.doesConformToSchema('signedFeeOrders', signedFeeOrders, schemas.signedOrdersSchema); assert.isNumber('feePercentage', feePercentage); assert.isETHAddressHex('feeRecipientAddress', feeRecipientAddress); - assert.doesConformToSchema('txOpts', txOpts, txOptsSchema); + assert.doesConformToSchema('orderTransactionOpts', orderTransactionOpts, orderTxOptsSchema, [txOptsSchema]); // other assertions - assert.ordersCanBeUsedForForwarderContract(signedOrders, this.getEtherTokenAddress()); - assert.feeOrdersCanBeUsedForForwarderContract( - signedFeeOrders, - this.getZRXTokenAddress(), - this.getEtherTokenAddress(), - ); + assert.ordersCanBeUsedForForwarderContract(signedOrders, this.etherTokenAddress); + assert.feeOrdersCanBeUsedForForwarderContract(signedFeeOrders, this.zrxTokenAddress, this.etherTokenAddress); // format feePercentage const formattedFeePercentage = utils.numberPercentageToEtherTokenAmountPercentage(feePercentage); // lowercase input addresses @@ -155,67 +193,54 @@ export class ForwarderWrapper extends ContractWrapper { // optimize orders const optimizedMarketOrders = calldataOptimizationUtils.optimizeForwarderOrders(signedOrders); const optimizedFeeOrders = calldataOptimizationUtils.optimizeForwarderFeeOrders(signedFeeOrders); - // send transaction + // compile signatures + const signatures = _.map(optimizedMarketOrders, order => order.signature); + const feeSignatures = _.map(optimizedFeeOrders, order => order.signature); + // get contract const forwarderContractInstance = await this._getForwarderContractAsync(); + // validate transaction + if (orderTransactionOpts.shouldValidate) { + await forwarderContractInstance.marketBuyOrdersWithEth.callAsync( + optimizedMarketOrders, + makerAssetFillAmount, + signatures, + optimizedFeeOrders, + feeSignatures, + formattedFeePercentage, + feeRecipientAddress, + { + value: ethAmount, + from: normalizedTakerAddress, + gas: orderTransactionOpts.gasLimit, + gasPrice: orderTransactionOpts.gasPrice, + }, + ); + } + // send transaction const txHash = await forwarderContractInstance.marketBuyOrdersWithEth.sendTransactionAsync( optimizedMarketOrders, makerAssetFillAmount, - _.map(optimizedMarketOrders, order => order.signature), + signatures, optimizedFeeOrders, - _.map(optimizedFeeOrders, order => order.signature), + feeSignatures, formattedFeePercentage, feeRecipientAddress, { value: ethAmount, from: normalizedTakerAddress, - gas: txOpts.gasLimit, - gasPrice: txOpts.gasPrice, + gas: orderTransactionOpts.gasLimit, + gasPrice: orderTransactionOpts.gasPrice, }, ); return txHash; } - /** - * Retrieves the Ethereum address of the Forwarder contract deployed on the network - * that the user-passed web3 provider is connected to. - * @returns The Ethereum address of the Forwarder contract being used. - */ - public getContractAddress(): string { - const contractAddress = this._getContractAddress(artifacts.Forwarder, this._contractAddressIfExists); - return contractAddress; - } - /** - * Returns the ZRX token address used by the forwarder contract. - * @return Address of ZRX token - */ - public getZRXTokenAddress(): string { - const contractAddress = this._getContractAddress(artifacts.ZRXToken, this._zrxContractAddressIfExists); - return contractAddress; - } - /** - * Returns the Ether token address used by the forwarder contract. - * @return Address of Ether token - */ - public getEtherTokenAddress(): string { - const contractAddress = this._getContractAddress(artifacts.EtherToken); - return contractAddress; - } - // HACK: We don't want this method to be visible to the other units within that package but not to the end user. - // TS doesn't give that possibility and therefore we make it private and access it over an any cast. Because of that tslint sees it as unused. - // tslint:disable-next-line:no-unused-variable - private _invalidateContractInstance(): void { - delete this._forwarderContractIfExists; - } private async _getForwarderContractAsync(): Promise<ForwarderContract> { if (!_.isUndefined(this._forwarderContractIfExists)) { return this._forwarderContractIfExists; } - const [abi, address] = await this._getContractAbiAndAddressFromArtifactsAsync( - artifacts.Forwarder, - this._contractAddressIfExists, - ); const contractInstance = new ForwarderContract( - abi, - address, + this.abi, + this.address, this._web3Wrapper.getProvider(), this._web3Wrapper.getContractDefaults(), ); |