diff options
Diffstat (limited to 'packages/contracts/src/utils/token_registry_wrapper.ts')
-rw-r--r-- | packages/contracts/src/utils/token_registry_wrapper.ts | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/packages/contracts/src/utils/token_registry_wrapper.ts b/packages/contracts/src/utils/token_registry_wrapper.ts new file mode 100644 index 000000000..86daeca62 --- /dev/null +++ b/packages/contracts/src/utils/token_registry_wrapper.ts @@ -0,0 +1,60 @@ +import * as Web3 from 'web3'; + +import { TokenRegistryContract } from '../contract_wrappers/generated/token_registry'; + +import { Token } from './types'; + +export class TokenRegWrapper { + private _tokenReg: TokenRegistryContract; + constructor(tokenRegContract: TokenRegistryContract) { + this._tokenReg = tokenRegContract; + } + public async addTokenAsync(token: Token, from: string): Promise<string> { + const tx = this._tokenReg.addToken.sendTransactionAsync( + token.address as string, + token.name, + token.symbol, + token.decimals, + token.ipfsHash, + token.swarmHash, + { from }, + ); + return tx; + } + public async getTokenMetaDataAsync(tokenAddress: string): Promise<Token> { + const data = await this._tokenReg.getTokenMetaData.callAsync(tokenAddress); + const token: Token = { + address: data[0], + name: data[1], + symbol: data[2], + decimals: data[3], + ipfsHash: data[4], + swarmHash: data[5], + }; + return token; + } + public async getTokenByNameAsync(tokenName: string): Promise<Token> { + const data = await this._tokenReg.getTokenByName.callAsync(tokenName); + const token: Token = { + address: data[0], + name: data[1], + symbol: data[2], + decimals: data[3], + ipfsHash: data[4], + swarmHash: data[5], + }; + return token; + } + public async getTokenBySymbolAsync(tokenSymbol: string): Promise<Token> { + const data = await this._tokenReg.getTokenBySymbol.callAsync(tokenSymbol); + const token: Token = { + address: data[0], + name: data[1], + symbol: data[2], + decimals: data[3], + ipfsHash: data[4], + swarmHash: data[5], + }; + return token; + } +} |