diff options
Diffstat (limited to 'src/contract_wrappers/token_registry_wrapper.ts')
-rw-r--r-- | src/contract_wrappers/token_registry_wrapper.ts | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/contract_wrappers/token_registry_wrapper.ts b/src/contract_wrappers/token_registry_wrapper.ts index 3e87e4852..dd27192a7 100644 --- a/src/contract_wrappers/token_registry_wrapper.ts +++ b/src/contract_wrappers/token_registry_wrapper.ts @@ -1,4 +1,5 @@ -import * as _ from 'lodash'; +import map from 'lodash/map'; +import isUndefined from 'lodash/isUndefined'; import {Web3Wrapper} from '../web3_wrapper'; import {Token, TokenRegistryContract, TokenMetadata} from '../types'; import {assert} from '../utils/assert'; @@ -24,12 +25,12 @@ export class TokenRegistryWrapper extends ContractWrapper { const tokenRegistryContract = await this._getTokenRegistryContractAsync(); const addresses = await tokenRegistryContract.getTokenAddresses.call(); - const tokenMetadataPromises: Array<Promise<TokenMetadata>> = _.map( + const tokenMetadataPromises: Array<Promise<TokenMetadata>> = map( addresses, (address: string) => (tokenRegistryContract.getTokenMetaData.call(address)), ); const tokensMetadata = await Promise.all(tokenMetadataPromises); - const tokens = _.map(tokensMetadata, metadata => { + const tokens = map(tokensMetadata, metadata => { return { address: metadata[0], name: metadata[1], @@ -41,7 +42,7 @@ export class TokenRegistryWrapper extends ContractWrapper { return tokens; } private async _getTokenRegistryContractAsync(): Promise<TokenRegistryContract> { - if (!_.isUndefined(this._tokenRegistryContractIfExists)) { + if (!isUndefined(this._tokenRegistryContractIfExists)) { return this._tokenRegistryContractIfExists; } const contractInstance = await this._instantiateContractIfExistsAsync((TokenRegistryArtifacts as any)); |