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-rw-r--r--packages/contract-wrappers/src/contract_wrappers/token_registry_wrapper.ts133
1 files changed, 0 insertions, 133 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/token_registry_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/token_registry_wrapper.ts
deleted file mode 100644
index 7b558ed69..000000000
--- a/packages/contract-wrappers/src/contract_wrappers/token_registry_wrapper.ts
+++ /dev/null
@@ -1,133 +0,0 @@
-import { ContractAbi, Token } from '@0xproject/types';
-import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import * as _ from 'lodash';
-
-import { artifacts } from '../artifacts';
-import { TokenMetadata } from '../types';
-import { assert } from '../utils/assert';
-import { constants } from '../utils/constants';
-
-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.
- */
-export class TokenRegistryWrapper extends ContractWrapper {
- public abi: ContractAbi = artifacts.TokenRegistry.abi;
- private _tokenRegistryContractIfExists?: TokenRegistryContract;
- private _contractAddressIfExists?: string;
- private static _createTokenFromMetadata(metadata: TokenMetadata): Token | undefined {
- if (metadata[0] === constants.NULL_ADDRESS) {
- return undefined;
- }
- const token = {
- address: metadata[0],
- name: metadata[1],
- symbol: metadata[2],
- decimals: metadata[3],
- };
- return token;
- }
- constructor(web3Wrapper: Web3Wrapper, networkId: number, contractAddressIfExists?: string) {
- super(web3Wrapper, networkId);
- this._contractAddressIfExists = contractAddressIfExists;
- }
- /**
- * Retrieves all the tokens currently listed in the Token Registry smart contract
- * @return An array of objects that conform to the Token interface.
- */
- 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 tokens = await Promise.all(tokenPromises);
- return tokens as Token[];
- }
- /**
- * Retrieves all the addresses of the tokens currently listed in the Token Registry smart contract
- * @return An array of token addresses.
- */
- public async getTokenAddressesAsync(): Promise<string[]> {
- const tokenRegistryContract = await this._getTokenRegistryContractAsync();
- const addresses = await tokenRegistryContract.getTokenAddresses.callAsync();
- const lowerCaseAddresses = _.map(addresses, address => address.toLowerCase());
- return lowerCaseAddresses;
- }
- /**
- * 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> {
- assert.isETHAddressHex('address', address);
- const normalizedAddress = address.toLowerCase();
-
- const tokenRegistryContract = await this._getTokenRegistryContractAsync();
- const metadata = await tokenRegistryContract.getTokenMetaData.callAsync(normalizedAddress);
- const token = TokenRegistryWrapper._createTokenFromMetadata(metadata);
- return token;
- }
- public async getTokenAddressBySymbolIfExistsAsync(symbol: string): Promise<string | undefined> {
- assert.isString('symbol', symbol);
- const tokenRegistryContract = await this._getTokenRegistryContractAsync();
- const addressIfExists = await tokenRegistryContract.getTokenAddressBySymbol.callAsync(symbol);
- if (addressIfExists === constants.NULL_ADDRESS) {
- return undefined;
- }
- return addressIfExists;
- }
- public async getTokenAddressByNameIfExistsAsync(name: string): Promise<string | undefined> {
- assert.isString('name', name);
- const tokenRegistryContract = await this._getTokenRegistryContractAsync();
- const addressIfExists = await tokenRegistryContract.getTokenAddressByName.callAsync(name);
- if (addressIfExists === constants.NULL_ADDRESS) {
- return undefined;
- }
- return addressIfExists;
- }
- 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> {
- assert.isString('name', name);
- const tokenRegistryContract = await this._getTokenRegistryContractAsync();
- const metadata = await tokenRegistryContract.getTokenByName.callAsync(name);
- const token = TokenRegistryWrapper._createTokenFromMetadata(metadata);
- return token;
- }
- /**
- * Retrieves the Ethereum address of the TokenRegistry contract deployed on the network
- * that the user-passed web3 provider is connected to.
- * @returns The Ethereum address of the TokenRegistry contract being used.
- */
- public getContractAddress(): string {
- const contractAddress = this._getContractAddress(artifacts.TokenRegistry, this._contractAddressIfExists);
- return contractAddress;
- }
- // tslint:disable-next-line:no-unused-variable
- private _invalidateContractInstance(): void {
- delete this._tokenRegistryContractIfExists;
- }
- private async _getTokenRegistryContractAsync(): Promise<TokenRegistryContract> {
- if (!_.isUndefined(this._tokenRegistryContractIfExists)) {
- return this._tokenRegistryContractIfExists;
- }
- const [abi, address] = await this._getContractAbiAndAddressFromArtifactsAsync(
- artifacts.TokenRegistry,
- this._contractAddressIfExists,
- );
- const contractInstance = new TokenRegistryContract(
- abi,
- address,
- this._web3Wrapper.getProvider(),
- this._web3Wrapper.getContractDefaults(),
- );
- this._tokenRegistryContractIfExists = contractInstance;
- return this._tokenRegistryContractIfExists;
- }
-}