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Diffstat (limited to 'packages/contract-wrappers/src/contract_wrappers/order_validator_wrapper.ts')
| -rw-r--r-- | packages/contract-wrappers/src/contract_wrappers/order_validator_wrapper.ts | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/order_validator_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/order_validator_wrapper.ts new file mode 100644 index 000000000..1da88f624 --- /dev/null +++ b/packages/contract-wrappers/src/contract_wrappers/order_validator_wrapper.ts @@ -0,0 +1,187 @@ +import { schemas } from '@0xproject/json-schemas'; +import { SignedOrder } from '@0xproject/types'; +import { BigNumber } from '@0xproject/utils'; +import { Web3Wrapper } from '@0xproject/web3-wrapper'; +import { ContractAbi } from 'ethereum-types'; +import * as _ from 'lodash'; + +import { artifacts } from '../artifacts'; +import { BalanceAndAllowance, OrderAndTraderInfo, TraderInfo } from '../types'; +import { assert } from '../utils/assert'; + +import { ContractWrapper } from './contract_wrapper'; +import { OrderValidatorContract } from './generated/order_validator'; + +/** + * This class includes the functionality related to interacting with the OrderValidator contract. + */ +export class OrderValidatorWrapper extends ContractWrapper { + public abi: ContractAbi = artifacts.OrderValidator.compilerOutput.abi; + private _orderValidatorContractIfExists?: OrderValidatorContract; + /** + * Instantiate OrderValidatorWrapper + * @param web3Wrapper Web3Wrapper instance to use + * @param networkId Desired networkId + */ + constructor(web3Wrapper: Web3Wrapper, networkId: number) { + super(web3Wrapper, networkId); + } + /** + * Get an object conforming to OrderAndTraderInfo containing on-chain information of the provided order and address + * @param order An object conforming to SignedOrder + * @param takerAddress An ethereum address + * @return OrderAndTraderInfo + */ + public async getOrderAndTraderInfoAsync(order: SignedOrder, takerAddress: string): Promise<OrderAndTraderInfo> { + assert.doesConformToSchema('order', order, schemas.signedOrderSchema); + assert.isETHAddressHex('takerAddress', takerAddress); + const OrderValidatorContractInstance = await this._getOrderValidatorContractAsync(); + const orderAndTraderInfo = await OrderValidatorContractInstance.getOrderAndTraderInfo.callAsync( + order, + takerAddress, + ); + const result = { + orderInfo: orderAndTraderInfo[0], + traderInfo: orderAndTraderInfo[1], + }; + return result; + } + /** + * Get an array of objects conforming to OrderAndTraderInfo containing on-chain information of the provided orders and addresses + * @param orders An array of objects conforming to SignedOrder + * @param takerAddresses An array of ethereum addresses + * @return array of OrderAndTraderInfo + */ + public async getOrdersAndTradersInfoAsync( + orders: SignedOrder[], + takerAddresses: string[], + ): Promise<OrderAndTraderInfo[]> { + assert.doesConformToSchema('orders', orders, schemas.signedOrdersSchema); + _.forEach(takerAddresses, (takerAddress, index) => + assert.isETHAddressHex(`takerAddresses[${index}]`, takerAddress), + ); + assert.assert(orders.length === takerAddresses.length, 'Expected orders.length to equal takerAddresses.length'); + const OrderValidatorContractInstance = await this._getOrderValidatorContractAsync(); + const ordersAndTradersInfo = await OrderValidatorContractInstance.getOrdersAndTradersInfo.callAsync( + orders, + takerAddresses, + ); + const orderInfos = ordersAndTradersInfo[0]; + const traderInfos = ordersAndTradersInfo[1]; + const result = _.map(orderInfos, (orderInfo, index) => { + const traderInfo = traderInfos[index]; + return { + orderInfo, + traderInfo, + }; + }); + return result; + } + /** + * Get an object conforming to TraderInfo containing on-chain balance and allowances for maker and taker of order + * @param order An object conforming to SignedOrder + * @param takerAddress An ethereum address + * @return TraderInfo + */ + public async getTraderInfoAsync(order: SignedOrder, takerAddress: string): Promise<TraderInfo> { + assert.doesConformToSchema('order', order, schemas.signedOrderSchema); + assert.isETHAddressHex('takerAddress', takerAddress); + const OrderValidatorContractInstance = await this._getOrderValidatorContractAsync(); + const result = await OrderValidatorContractInstance.getTraderInfo.callAsync(order, takerAddress); + return result; + } + /** + * Get an array of objects conforming to TraderInfo containing on-chain balance and allowances for maker and taker of order + * @param orders An array of objects conforming to SignedOrder + * @param takerAddresses An array of ethereum addresses + * @return array of TraderInfo + */ + public async getTradersInfoAsync(orders: SignedOrder[], takerAddresses: string[]): Promise<TraderInfo[]> { + assert.doesConformToSchema('orders', orders, schemas.signedOrdersSchema); + _.forEach(takerAddresses, (takerAddress, index) => + assert.isETHAddressHex(`takerAddresses[${index}]`, takerAddress), + ); + assert.assert(orders.length === takerAddresses.length, 'Expected orders.length to equal takerAddresses.length'); + const OrderValidatorContractInstance = await this._getOrderValidatorContractAsync(); + const result = await OrderValidatorContractInstance.getTradersInfo.callAsync(orders, takerAddresses); + return result; + } + /** + * Get an object conforming to BalanceAndAllowance containing on-chain balance and allowance for some address and assetData + * @param address An ethereum address + * @param assetData An encoded string that can be decoded by a specified proxy contract + * @return BalanceAndAllowance + */ + public async getBalanceAndAllowanceAsync(address: string, assetData: string): Promise<BalanceAndAllowance> { + assert.isETHAddressHex('address', address); + assert.isHexString('assetData', assetData); + const OrderValidatorContractInstance = await this._getOrderValidatorContractAsync(); + const balanceAndAllowance = await OrderValidatorContractInstance.getBalanceAndAllowance.callAsync( + address, + assetData, + ); + const result = { + balance: balanceAndAllowance[0], + allowance: balanceAndAllowance[1], + }; + return result; + } + /** + * Get an array of objects conforming to BalanceAndAllowance containing on-chain balance and allowance for some address and array of assetDatas + * @param address An ethereum address + * @param assetDatas An array of encoded strings that can be decoded by a specified proxy contract + * @return BalanceAndAllowance + */ + public async getBalancesAndAllowancesAsync(address: string, assetDatas: string[]): Promise<BalanceAndAllowance[]> { + assert.isETHAddressHex('address', address); + _.forEach(assetDatas, (assetData, index) => assert.isHexString(`assetDatas[${index}]`, assetData)); + const OrderValidatorContractInstance = await this._getOrderValidatorContractAsync(); + const balancesAndAllowances = await OrderValidatorContractInstance.getBalancesAndAllowances.callAsync( + address, + assetDatas, + ); + const balances = balancesAndAllowances[0]; + const allowances = balancesAndAllowances[1]; + const result = _.map(balances, (balance, index) => { + const allowance = allowances[index]; + return { + balance, + allowance, + }; + }); + return result; + } + /** + * Get owner address of tokenId by calling `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token. + * @param tokenAddress An ethereum address + * @param tokenId An ERC721 tokenId + * @return Owner of tokenId or null address if unowned + */ + public async getERC721TokenOwnerAsync(tokenAddress: string, tokenId: BigNumber): Promise<string | undefined> { + assert.isETHAddressHex('tokenAddress', tokenAddress); + assert.isBigNumber('tokenId', tokenId); + const OrderValidatorContractInstance = await this._getOrderValidatorContractAsync(); + const result = await OrderValidatorContractInstance.getERC721TokenOwner.callAsync(tokenAddress, tokenId); + return result; + } + // 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._orderValidatorContractIfExists; + } + private async _getOrderValidatorContractAsync(): Promise<OrderValidatorContract> { + if (!_.isUndefined(this._orderValidatorContractIfExists)) { + return this._orderValidatorContractIfExists; + } + const [abi, address] = await this._getContractAbiAndAddressFromArtifactsAsync(artifacts.OrderValidator); + const contractInstance = new OrderValidatorContract( + abi, + address, + this._web3Wrapper.getProvider(), + this._web3Wrapper.getContractDefaults(), + ); + this._orderValidatorContractIfExists = contractInstance; + return this._orderValidatorContractIfExists; + } +} |