diff options
[Contract-wrappers] Exchange execute transaction encoder
Diffstat (limited to 'packages/contract-wrappers/src/utils/execute_transaction_encoder.ts')
-rw-r--r-- | packages/contract-wrappers/src/utils/execute_transaction_encoder.ts | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/packages/contract-wrappers/src/utils/execute_transaction_encoder.ts b/packages/contract-wrappers/src/utils/execute_transaction_encoder.ts new file mode 100644 index 000000000..9c941c550 --- /dev/null +++ b/packages/contract-wrappers/src/utils/execute_transaction_encoder.ts @@ -0,0 +1,124 @@ +import { schemas } from '@0xproject/json-schemas'; +import { EIP712Schema, EIP712Types, EIP712Utils } from '@0xproject/order-utils'; +import { Order, SignedOrder } from '@0xproject/types'; +import { BigNumber } from '@0xproject/utils'; +import _ = require('lodash'); + +import { ExchangeContract } from '../contract_wrappers/generated/exchange'; + +import { assert } from './assert'; + +const EIP712_ZEROEX_TRANSACTION_SCHEMA: EIP712Schema = { + name: 'ZeroExTransaction', + parameters: [ + { name: 'salt', type: EIP712Types.Uint256 }, + { name: 'signerAddress', type: EIP712Types.Address }, + { name: 'data', type: EIP712Types.Bytes }, + ], +}; + +export class ExecuteTransactionEncoder { + private _exchangeInstance: ExchangeContract; + constructor(exchangeInstance: ExchangeContract) { + this._exchangeInstance = exchangeInstance; + } + public getExecuteTransactionHex(data: string, salt: BigNumber, signerAddress: string): string { + const exchangeAddress = this._exchangeInstance.address; + const executeTransactionData = { + salt, + signerAddress, + data, + }; + const executeTransactionHashBuff = EIP712Utils.structHash( + EIP712_ZEROEX_TRANSACTION_SCHEMA, + executeTransactionData, + ); + const eip721MessageBuffer = EIP712Utils.createEIP712Message(executeTransactionHashBuff, exchangeAddress); + const messageHex = `0x${eip721MessageBuffer.toString('hex')}`; + return messageHex; + } + public fillOrder(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string { + assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema); + assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount); + const abiEncodedData = this._exchangeInstance.fillOrder.getABIEncodedTransactionData( + signedOrder, + takerAssetFillAmount, + signedOrder.signature, + ); + return abiEncodedData; + } + public fillOrderNoThrow(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string { + assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema); + assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount); + const abiEncodedData = this._exchangeInstance.fillOrderNoThrow.getABIEncodedTransactionData( + signedOrder, + takerAssetFillAmount, + signedOrder.signature, + ); + return abiEncodedData; + } + public fillOrKillOrder(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string { + assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema); + assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount); + const abiEncodedData = this._exchangeInstance.fillOrKillOrder.getABIEncodedTransactionData( + signedOrder, + takerAssetFillAmount, + signedOrder.signature, + ); + return abiEncodedData; + } + public cancelOrdersUpTo(targetOrderEpoch: BigNumber): string { + assert.isBigNumber('targetOrderEpoch', targetOrderEpoch); + const abiEncodedData = this._exchangeInstance.cancelOrdersUpTo.getABIEncodedTransactionData(targetOrderEpoch); + return abiEncodedData; + } + public cancelOrder(order: Order | SignedOrder): string { + assert.doesConformToSchema('order', order, schemas.orderSchema); + const abiEncodedData = this._exchangeInstance.cancelOrder.getABIEncodedTransactionData(order); + return abiEncodedData; + } + public marketSellOrders(signedOrders: SignedOrder[], takerAssetFillAmount: BigNumber): string { + assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema); + assert.isBigNumber('takerAssetFillAmount', takerAssetFillAmount); + const signatures = _.map(signedOrders, signedOrder => signedOrder.signature); + const abiEncodedData = this._exchangeInstance.marketSellOrders.getABIEncodedTransactionData( + signedOrders, + takerAssetFillAmount, + signatures, + ); + return abiEncodedData; + } + public marketSellOrdersNoThrow(signedOrders: SignedOrder[], takerAssetFillAmount: BigNumber): string { + assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema); + assert.isBigNumber('takerAssetFillAmount', takerAssetFillAmount); + const signatures = _.map(signedOrders, signedOrder => signedOrder.signature); + const abiEncodedData = this._exchangeInstance.marketSellOrdersNoThrow.getABIEncodedTransactionData( + signedOrders, + takerAssetFillAmount, + signatures, + ); + return abiEncodedData; + } + public marketBuyOrders(signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber): string { + assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema); + assert.isBigNumber('makerAssetFillAmount', makerAssetFillAmount); + const signatures = _.map(signedOrders, signedOrder => signedOrder.signature); + const abiEncodedData = this._exchangeInstance.marketBuyOrders.getABIEncodedTransactionData( + signedOrders, + makerAssetFillAmount, + signatures, + ); + return abiEncodedData; + } + public marketBuyOrdersNoThrow(signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber): string { + assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema); + assert.isBigNumber('makerAssetFillAmount', makerAssetFillAmount); + const signatures = _.map(signedOrders, signedOrder => signedOrder.signature); + const abiEncodedData = this._exchangeInstance.marketBuyOrdersNoThrow.getABIEncodedTransactionData( + signedOrders, + makerAssetFillAmount, + signatures, + ); + return abiEncodedData; + } +} |