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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;
}
}
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