67 lines
1.8 KiB
JavaScript
67 lines
1.8 KiB
JavaScript
/*
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*
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* Copyright 2015 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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require('@google-cloud/trace-agent').start();
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const path = require('path');
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const grpc = require('grpc');
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const leftPad = require('left-pad');
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const pino = require('pino');
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const PROTO_PATH = path.join(__dirname, './proto/demo.proto');
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const PORT = 7000;
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const shopProto = grpc.load(PROTO_PATH).hipstershop;
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const client = new shopProto.CurrencyService(`localhost:${PORT}`,
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grpc.credentials.createInsecure());
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const logger = pino({
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name: 'currencyservice-client',
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messageKey: 'message',
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changeLevelName: 'severity',
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useLevelLabels: true
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});
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const request = {
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from: {
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currency_code: 'CHF',
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units: 300,
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nanos: 0
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},
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to_code: 'EUR'
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};
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function _moneyToString (m) {
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return `${m.units}.${m.nanos.toString().padStart(9,'0')} ${m.currency_code}`;
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}
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client.getSupportedCurrencies({}, (err, response) => {
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if (err) {
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logger.error(`Error in getSupportedCurrencies: ${err}`);
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} else {
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logger.info(`Currency codes: ${response.currency_codes}`);
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}
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});
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client.convert(request, (err, response) => {
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if (err) {
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logger.error(`Error in convert: ${err}`);
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} else {
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logger.log(`Convert: ${_moneyToString(request.from)} to ${_moneyToString(response)}`);
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}
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});
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