How to set up EMETH Node (Ubuntu)
The following is a summary of the introduction flow of EMETH.
Set up Flow
1. Initial Environment Preparation
2. Operation with Node.js
3. Operation with EMETH NODE
- Preparation of initial environment
Install Ubuntu, MetaMask, and create an account (wallet address) for Emeth Node.
Initial Environment Preparation
Install Ubuntu, MetaMask, create account (wallet address) for Emeth Node
◇ Ubuntu Installation Reference
https://www.youtube.com/watch?v=wjbbl0TTMeo
◇Guide for how to prepare MATIC
Procure MATIC tokens and put them in MetaMask.
How to buy Polygon MATIC tokens easy way.
https://www.youtube.com/watch?v=n8TwB79My-I
2. operation with Node.js
Install nvm stable version of Node.js
$ curl https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash $ source ~/.profile
$ nvm install v18.17.1
Check installed node and npm versions
$ node -v
v18.17.1
$ npm -v
9.6.7
Docker
Installing Docker
$ sudo apt update
$ sudo mkdir -p /etc/apt/keyrings
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg — dearmor -o /etc/apt/keyrings/docker.gpg
$ echo “deb [arch=$(dpkg — print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable” | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
$ sudo apt update
$ sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
Check installed Docker version
$ docker -v
Docker version 24.0.6, build ed223bc
Setting Docker Execution Permissions
$ sudo groupadd -f docker
$ sudo usermod -aG docker $USER $ newgrp docker
3. operation with EMETH NODE
Installation of EMETH Node
$ mkdir emeth-node
$ cd emeth-node
$ wget https://github.com/alt-emeth/emeth-node/releases/download/v0.8.1/emeth-node.zip
$ unzip emeth-node
$ rm emeth-node.zip
Editing Configuration Files
$ cp config/emeth-node.json.example config/emeth-node.json
$ vi config/emeth-node.json
Setting items
config/emeth-code.json:
Here are the list of items you don’t need to change from “Sample Value”.
*You need to prepare and fill“endpoint” and “privateKey” by yourself.
・cacheServerUrl
https://cache.emeth.ai/api/v1/jobs・storageApiUrl
https://storage.emeth.ai/api/v1/・emethCoreContractAddress: 0x5aF9c255D6C965aAa8DB3e9C82276e59345186C8
・emethTokenContractAddress: 0xCB746131b75f30942de7C59a5Be1393Fca5Be05D
Starting EMETH Node
$ node bundle.js
If you want to process only one job for testing, the following options are available
$ node bundle.js — iterations 1
4.(Optional) Persistence by Process-Manager
Install pm2
$ npm install -g pm2
Run Emeth Node persistently
$ pm2 start bundle.js — name emeth-node
Emeth Node Process checking
$ pm2 list
or
$ pm2 monit
Emeth Node log tracking
$ pm2 logs emeth-node
◇ Contact Us
If you encounter any errors or have any questions, please contact us at info@emeth.ai and follow our X account for the latest information.
