Hyperledger Fabric Sample Application

This is originally from the Introduction to Hyperledger Technologies course on edX. Link However, if follow the instructions, you may not successfully run the example.

the overview graph

Node.js version

When an error occurs, in most case it has something to do with the version of Node.js’s version

completely remove Node.js old version completely uninstall node + npm is to do the following:

1. go to /usr/local/lib and delete any node and node_modules
2. go to /usr/local/include and delete any node and node_modules directory check your Home directory for any local or lib or include folders, and delete any node or node_modules from there
3. go to /usr/local/bin and delete any node executable

sudo rm -rf /opt/local/bin/node /opt/local/include/node /opt/local/lib/node_modules
sudo rm -rf /usr/local/bin/npm /usr/local/share/man/man1/node.1 /usr/local/lib/dtrace/node.d

install Node.js v8.x:

# Using Ubuntu
curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
sudo apt-get install -y nodejs

# Using Debian, as root
curl -sL https://deb.nodesource.com/setup_8.x | bash -
apt-get install -y nodejs

npm install error

you may encounter those errors like the following:

npm WARN package.json range-parser@0.0.4 No repository field.

you have modify the setting in package.json:

{"name": "Fabric-tuna-app",
    "version": "1.0.0",
    "private": true,
    ...
}

reference

1. npm WARN package.json: No repository field