61 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import * as Web3 from 'web3';
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import { TokenRegistryContract } from '../src/contract_wrappers/generated/token_registry';
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import { Token } from './types';
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export class TokenRegWrapper {
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    private _tokenReg: TokenRegistryContract;
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    constructor(tokenRegContract: TokenRegistryContract) {
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        this._tokenReg = tokenRegContract;
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    }
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    public async addTokenAsync(token: Token, from: string) {
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        const tx = this._tokenReg.addToken.sendTransactionAsync(
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            token.address as string,
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            token.name,
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            token.symbol,
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            token.decimals,
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            token.ipfsHash,
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            token.swarmHash,
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            { from },
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        );
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        return tx;
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    }
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    public async getTokenMetaDataAsync(tokenAddress: string) {
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        const data = await this._tokenReg.getTokenMetaData.callAsync(tokenAddress);
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        const token: Token = {
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            address: data[0],
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            name: data[1],
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            symbol: data[2],
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            decimals: data[3],
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            ipfsHash: data[4],
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            swarmHash: data[5],
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        };
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        return token;
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    }
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    public async getTokenByNameAsync(tokenName: string) {
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        const data = await this._tokenReg.getTokenByName.callAsync(tokenName);
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        const token: Token = {
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            address: data[0],
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            name: data[1],
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            symbol: data[2],
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            decimals: data[3],
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            ipfsHash: data[4],
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            swarmHash: data[5],
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        };
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        return token;
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    }
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    public async getTokenBySymbolAsync(tokenSymbol: string) {
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        const data = await this._tokenReg.getTokenBySymbol.callAsync(tokenSymbol);
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        const token: Token = {
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            address: data[0],
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            name: data[1],
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            symbol: data[2],
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            decimals: data[3],
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            ipfsHash: data[4],
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            swarmHash: data[5],
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        };
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        return token;
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    }
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}
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