diff options
Diffstat (limited to 'packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts')
| -rw-r--r-- | packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts b/packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts index 69e9d7e21..f54aaf0f8 100644 --- a/packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts +++ b/packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts @@ -1,13 +1,13 @@ -import {Web3Wrapper} from '@0xproject/web3-wrapper'; +import { Web3Wrapper } from '@0xproject/web3-wrapper'; import * as _ from 'lodash'; -import {artifacts} from '../artifacts'; -import {Token, TokenMetadata} from '../types'; -import {assert} from '../utils/assert'; -import {constants} from '../utils/constants'; +import { artifacts } from '../artifacts'; +import { Token, TokenMetadata } from '../types'; +import { assert } from '../utils/assert'; +import { constants } from '../utils/constants'; -import {ContractWrapper} from './contract_wrapper'; -import {TokenRegistryContract} from './generated/token_registry'; +import { ContractWrapper } from './contract_wrapper'; +import { TokenRegistryContract } from './generated/token_registry'; /** * This class includes all the functionality related to interacting with the 0x Token Registry smart contract. @@ -15,7 +15,7 @@ import {TokenRegistryContract} from './generated/token_registry'; export class TokenRegistryWrapper extends ContractWrapper { private _tokenRegistryContractIfExists?: TokenRegistryContract; private _contractAddressIfExists?: string; - private static _createTokenFromMetadata(metadata: TokenMetadata): Token|undefined { + private static _createTokenFromMetadata(metadata: TokenMetadata): Token | undefined { if (metadata[0] === constants.NULL_ADDRESS) { return undefined; } @@ -37,9 +37,8 @@ export class TokenRegistryWrapper extends ContractWrapper { */ public async getTokensAsync(): Promise<Token[]> { const addresses = await this.getTokenAddressesAsync(); - const tokenPromises: Array<Promise<Token|undefined>> = _.map( - addresses, - async (address: string) => this.getTokenIfExistsAsync(address), + const tokenPromises: Array<Promise<Token | undefined>> = _.map(addresses, async (address: string) => + this.getTokenIfExistsAsync(address), ); const tokens = await Promise.all(tokenPromises); return tokens as Token[]; @@ -57,7 +56,7 @@ export class TokenRegistryWrapper extends ContractWrapper { * Retrieves a token by address currently listed in the Token Registry smart contract * @return An object that conforms to the Token interface or undefined if token not found. */ - public async getTokenIfExistsAsync(address: string): Promise<Token|undefined> { + public async getTokenIfExistsAsync(address: string): Promise<Token | undefined> { assert.isETHAddressHex('address', address); const tokenRegistryContract = await this._getTokenRegistryContractAsync(); @@ -65,7 +64,7 @@ export class TokenRegistryWrapper extends ContractWrapper { const token = TokenRegistryWrapper._createTokenFromMetadata(metadata); return token; } - public async getTokenAddressBySymbolIfExistsAsync(symbol: string): Promise<string|undefined> { + public async getTokenAddressBySymbolIfExistsAsync(symbol: string): Promise<string | undefined> { assert.isString('symbol', symbol); const tokenRegistryContract = await this._getTokenRegistryContractAsync(); const addressIfExists = await tokenRegistryContract.getTokenAddressBySymbol.callAsync(symbol); @@ -74,7 +73,7 @@ export class TokenRegistryWrapper extends ContractWrapper { } return addressIfExists; } - public async getTokenAddressByNameIfExistsAsync(name: string): Promise<string|undefined> { + public async getTokenAddressByNameIfExistsAsync(name: string): Promise<string | undefined> { assert.isString('name', name); const tokenRegistryContract = await this._getTokenRegistryContractAsync(); const addressIfExists = await tokenRegistryContract.getTokenAddressByName.callAsync(name); @@ -83,14 +82,14 @@ export class TokenRegistryWrapper extends ContractWrapper { } return addressIfExists; } - public async getTokenBySymbolIfExistsAsync(symbol: string): Promise<Token|undefined> { + public async getTokenBySymbolIfExistsAsync(symbol: string): Promise<Token | undefined> { assert.isString('symbol', symbol); const tokenRegistryContract = await this._getTokenRegistryContractAsync(); const metadata = await tokenRegistryContract.getTokenBySymbol.callAsync(symbol); const token = TokenRegistryWrapper._createTokenFromMetadata(metadata); return token; } - public async getTokenByNameIfExistsAsync(name: string): Promise<Token|undefined> { + public async getTokenByNameIfExistsAsync(name: string): Promise<Token | undefined> { assert.isString('name', name); const tokenRegistryContract = await this._getTokenRegistryContractAsync(); const metadata = await tokenRegistryContract.getTokenByName.callAsync(name); @@ -104,7 +103,8 @@ export class TokenRegistryWrapper extends ContractWrapper { */ public getContractAddress(): string { const contractAddress = this._getContractAddress( - artifacts.TokenRegistryArtifact, this._contractAddressIfExists, + artifacts.TokenRegistryArtifact, + this._contractAddressIfExists, ); return contractAddress; } @@ -116,10 +116,12 @@ export class TokenRegistryWrapper extends ContractWrapper { return this._tokenRegistryContractIfExists; } const web3ContractInstance = await this._instantiateContractIfExistsAsync( - artifacts.TokenRegistryArtifact, this._contractAddressIfExists, + artifacts.TokenRegistryArtifact, + this._contractAddressIfExists, ); const contractInstance = new TokenRegistryContract( - web3ContractInstance, this._web3Wrapper.getContractDefaults(), + web3ContractInstance, + this._web3Wrapper.getContractDefaults(), ); this._tokenRegistryContractIfExists = contractInstance; return this._tokenRegistryContractIfExists; |