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author | Brandon Millman <brandon.millman@gmail.com> | 2018-08-28 04:02:49 +0800 |
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committer | Brandon Millman <brandon.millman@gmail.com> | 2018-08-28 04:21:14 +0800 |
commit | b0f210dea9b89fddb877dcdb0fd21a5ec08cc0d5 (patch) | |
tree | 4a75e299dc56c0b7e3f7cc47ccba5e47e5fdc8db /packages/contract-wrappers/src/contract_wrappers/order_validator_wrapper.ts | |
parent | f7469080f929d2364b1621e92857c76cb008bec9 (diff) | |
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Add getERC721Owner to wrapper
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 | 14 |
1 files changed, 13 insertions, 1 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 index 854a93bbf..a1e02989d 100644 --- a/packages/contract-wrappers/src/contract_wrappers/order_validator_wrapper.ts +++ b/packages/contract-wrappers/src/contract_wrappers/order_validator_wrapper.ts @@ -1,11 +1,12 @@ 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, OrdersAndTradersInfo, TraderInfo } from '../types'; +import { BalanceAndAllowance, OrderAndTraderInfo, TraderInfo } from '../types'; import { assert } from '../utils/assert'; import { ContractWrapper } from './contract_wrapper'; @@ -115,6 +116,17 @@ export class OrderValidatorWrapper extends ContractWrapper { }; return result; } + /** + * Get owner address of tokenId by calling `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token. + * @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 |