import { ContractInstance, Token } from './types'; export class TokenRegWrapper { private _tokenReg: ContractInstance; constructor(tokenRegContractInstance: ContractInstance) { this._tokenReg = tokenRegContractInstance; } public addTokenAsync(token: Token, from: string) { const tx = this._tokenReg.addToken( token.address, token.name, token.symbol, token.decimals, token.ipfsHash, token.swarmHash, { from }, ); return tx; } public async getTokenMetaDataAsync(tokenAddress: string) { const data = await this._tokenReg.getTokenMetaData(tokenAddress); const token: Token = { address: data[0], name: data[1], symbol: data[2], decimals: data[3].toNumber(), ipfsHash: data[4], swarmHash: data[5], }; return token; } public async getTokenByNameAsync(tokenName: string) { const data = await this._tokenReg.getTokenByName(tokenName); const token: Token = { address: data[0], name: data[1], symbol: data[2], decimals: data[3].toNumber(), ipfsHash: data[4], swarmHash: data[5], }; return token; } public async getTokenBySymbolAsync(tokenSymbol: string) { const data = await this._tokenReg.getTokenBySymbol(tokenSymbol); const token: Token = { address: data[0], name: data[1], symbol: data[2], decimals: data[3].toNumber(), ipfsHash: data[4], swarmHash: data[5], }; return token; } }