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buy.ts
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buy.ts
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/**
* Copyright 2021 Kaan Karakaya
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { Command, flags } from '@oclif/command'
import * as grpc from 'grpc'
import { server, grpcCreds} from '../lib/utils';
import { PaperTradeClient } from '../proto/grpcoin_grpc_pb'
import {
Currency,
TradeAction,
TradeRequest,
TradeResponse,
} from '../proto/grpcoin_pb'
import { Parse } from '../lib/utils'
export default class Buy extends Command {
static description = 'Buy coin';
static examples = ['$ grpcoin buy ETH 2.5'];
static flags = {
help: flags.help({ char: 'h' }),
};
static args = [{ name: 'coin' }, { name: 'amount' }];
async run() {
const { args } = this.parse(Buy)
const token = process.env.TOKEN
let coin = "BTC"
if (!token) {
this.error(
'Create a permissionless Personal Access Token on GitHub https://github.com/settings/tokens and set it to TOKEN environment variable',
)
}
if (!Number(args.amount)) {
this.error('Amount must be number')
}
if (args.coin) {
coin = args.coin.toUpperCase()
}
const meta = new grpc.Metadata()
meta.add('authorization', 'Bearer ' + token)
const tradeClient: PaperTradeClient = new PaperTradeClient(
server,
grpcCreds,
)
const trade = new TradeRequest()
trade.setAction(TradeAction.BUY)
trade.setQuantity(Parse(args.amount))
trade.setCurrency(new Currency().setSymbol(coin))
// Execute trade
tradeClient.trade(
trade,
meta,
(err: Error | null, response: TradeResponse) => {
if (err) {
this.error(err)
}
this.log(
'ORDER EXECUTED: BUY [%s] %s coins at USD[%s] (cash remaining: %s)',
response.getQuantity(),
response.getCurrency().getSymbol(),
response.getExecutedPrice(),
response.getResultingPortfolio().getRemainingCash(),
)
},
)
}
}