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evaluate-transaction.js - Evaluate Chaincode Transaction
How to write a Node.js script to evaluate a transaction defined in the Invoke method of a chaincode? Here is sample Node.js script, evaluate-transaction.js, that uses a given user identity from the local wallet to evaluate a transaction on chaincode. /* Copyright (c) FYIcenter.com */ 'use strict'; c... 2019-04-22, ∼1612🔥, 0💬

Manage basic-network with cli Container
How to Manage basic-network with cli Container? You can follow this tutorial to Manage basic-network with cli Container. 1. Start all containers, including cli, defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/fabric- samples/basic-network$ docker-compose -f docker-compose.yml up ... 2020-03-15, ∼1611🔥, 0💬

Change Data with "mysql.connector"
How to make data changes to MySQL database with "mysql.connector" module? Making data changes to MySQL database with "mysql.connector" requires to run INSERT, UPDATE or DELETE SQL statements with an established connection. By default, changes are not committed until you call the con.commit() method ... 2021-09-09, ∼1608🔥, 0💬

papercontract.js - PaperNet Chaincode (Smart Contract)
What is the PaperNet Chaincode (Smart Contract), papercontract.js? papercontract.js is the chaincode (or smart contract) for the PaperNet written in Node.js language. 1. View papercontract.js source code: (magnetocorp admin)$ cd ~/hyperledger-binaries/fabric- samples(magnetocorp admin)$ cd commercia... 2019-12-02, ∼1608🔥, 0💬

Install Docker Static Package on Windows 10
How to install Docker static package on Windows 10? If you have trouble installing Docker Desktop for Windows 10, you want to try the static command line version of Docker CE (Community Edition) as shown in this tutorial. 1. Go to https://download.docker.com/wi n/static/. 2. Click and open "Stable &... 2023-01-30, ∼1604🔥, 0💬

Fabric Network without CA Server
Can I run a Hyperledger Fabric Network without Fabric CA Server? Yes, you can run a Hyperledger Fabric Network without Fabric CA Server. In that case, you have to manage PKI certificate services manually For example, you need to do the following manually to add a new user to access your ledger peer:... 2019-10-18, ∼1604🔥, 0💬

BYFN Containers Running on Docker
What BYFN (Build Your First Network) containers are running on Docker Engine? Once your BYFN is deployed and executed on the Docker Engine, there will be 9 containers running on the Docker Engine: $ cd hyperledger-binaries/fabric-sa mples/first-network$ ./byfn.sh up ... $ docker ps IMAGE COMMAND NAM... 2020-11-11, ∼1601🔥, 0💬

Watch Chaincode Container Log
How to watch the log file of chaincode Container Log? You can follow this tutorial to watch the log file of a chaincode container: 1. Set up new terminal on the hosting system to follow the log file of the chaincode container linked to "peer0.org1": $ docker ps --all | grep dev-peer0.org1 cc7aeb60bb... 2020-06-08, ∼1600🔥, 0💬

What Is Hyperledger Fabric Query
What Is Hyperledger Fabric Query? A Hyperledger Fabric Query is a GET operation provided by a chaincode on a channel on a Hyperledger Fabric network to return the current state of a given asset. In order to perform a query operation, you need to prepare the following: Asset ID - Identifies the Asset... 2020-01-29, ∼1599🔥, 0💬

WYFA (Writing Your First Application)
Where to find tutorials on WYFA (Writing Your First Application) Network? I need help to follow the document provided at hyperledger-fabric.readthedocs .ioWebsite. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on WYFA (Writing Your First Applica... 2020-03-15, ∼1596🔥, 0💬

What Is Hyperledger Composer Playground
What Is Hyperledger Composer Playground? Hyperledger Composer Playground is a Web browser based tool that allows you to build and test your hyperledger application quickly. Hyperledger Composer Playground is part of the Hyperledger Composer tool set, which is designed to help you to build and test a... 2021-12-28, ∼1595🔥, 0💬

"docker container logs" - Fetch Logs
How to fetch log messages from a container with the "docker container logs" command? Most Docker container applications print log messages to its console to report statuses and debug information. You can fetch log messages from a container with the "docker container logs" command at any time, even a... 2019-04-29, ∼1594🔥, 0💬

Deploy couchdb Container Manually
How to Deploy couchdb as a Docker container manually? You can follow this tutorial to Deploy couchdb as a Docker container manually. 1. Verify the configuration of the couchdb container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/fabric- samples/basic-network$ more docker-com... 2020-07-03, ∼1591🔥, 1💬

"shell" Format vs. "exec" Format
What is the differences between "shell" format and "exec" format when writing instructions in Dockerfile for Windows images? There are several differences between "shell" format and "exec" format when writing instructions in Dockerfile for Windows images. 1. The "shell" format is simple to use. But ... 2021-11-30, ∼1588🔥, 0💬

"python" - Python Docker Image
What is the Python Docker Image, "python"? I wan to use it build a Python application. The Python Docker Image, "python", is the official Docker image that provides you a Python development environment. You pull and try it. 1. Search for the "python" image. fyicenter$ docker search python NAME DESCR... 2019-02-04, ∼1587🔥, 0💬

What Is "docker build" Command
What is "docker build" Command? "docker build" Command allows you build new Docker image with instructions given in a given Dockerfile. Here is the syntax of the "docker build" command: fyicenter$ docker build --help Usage: docker build [OPTIONS] PATH | URL | - Build an image from a Dockerfile Optio... 2019-01-27, ∼1586🔥, 0💬

Issue to Install "npm 5.x" on Ubuntu 18
Why I can only install "npm 3.5.2" on Ubuntu 18? If you are running Ubuntu 18, the default "apt install npm" command will only insatlle "npm 3.5.2: $ sudo apt install npm ... installing the "npm" package $ sudo apt install npm Reading package lists... Done Building dependency tree Reading state info... 2021-04-04, ∼1582🔥, 0💬

CTO Language Statements
What are Business Network Model CTO Language Statements? Business Network Model CTO language supports 8 types of statements. namespace - The "namespace" statement declares a namespace as the prefix for all data types defined in this CTO file. The "namespace" statement has the same syntax as the "nam... 2021-08-04, ∼1581🔥, 1💬

orderer.yaml - Orderer Peer Configuration File
What is the Orderer Peer Configuration File, orderer.yaml? The Orderer Peer Configuration File, orderer.yaml, provides settings to control the behavior of the Orderer peer. You can take a copy of the orderer.yaml provided in Fabric binary and sample package: $ cd fabric-orderer $ cp ~/hyperledger-bi... 2019-09-04, ∼1580🔥, 0💬

"docker container run" - Create Container with New Command
How to Create a new Container with a New Command using the "docker container run" command? If you want to create an Alpine container that starts with a new command different than the default command, you need to use the "docker container run" command with your Linux command specified. 1. Create a ne... 2019-02-06, ∼1579🔥, 0💬

Verify Docker Installation on Ubuntu
How to Verify Docker Installation on Ubuntu? You can follow this tutorial to verify Docker Installation on Ubuntu. 1. Make sure the Docker Engine is running fyicenter$ ps -ef | grep docker root 1707 1 0 00:00:17 /usr/bin/dockerd -H fd:// root 20591 1563 0 00:00:00 containerd-shim -namespace moby \ -... 2019-05-20, ∼1578🔥, 0💬

PyMySQL Package by pypi.org
How to use "pymysql" module from PyMySQL Package produced by pypi.org? "pymysql" is a Python module in the PyMySQL package provided by pypi.org for MySQL database connection. "pymysql" implements "PEP 249 -- Python Database API Specification v2.0" at https://www.python.org/dev/pep s/pep-0249/. You c... 2021-09-09, ∼1575🔥, 0💬

Uninstall Chaincode on BYFN Peers
How to uninstall chaincodes on BYFN Peers? Unfortunately, the BYFN CLI "peer chaincode" command does offer any option to uninstall chaincodes from a given peer. You have two options when your chaincodes from different peers are out of sync or incompatible: 1. Destroy chaincode instance and re-instal... 2020-09-15, ∼1574🔥, 0💬

"docker image inspect" - Inspect Image
How to Inspect an Image in the local repository with "docker image inspect" command? You can get more information from an image using the "docker image inspect" command with a given image name or ID: fyicenter$ docker image inspect hello-world [ { "Id": "sha256:fce289e99eb9bca977dae1 36fbe2a82b6b7d4c... 2019-03-31, ∼1572🔥, 0💬

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Blockchain Container EPUB General HTML JSON Microsoft Node.js PHP Python RSS Tools Visual Studio Web