Pricechain CPRC Deployment

This guide provides instructions on how to set up a Validator/Sentry node pair in a Pricechain Continental Price Registry Chain (CPRC).

Validator

sudo apt update
sudo apt upgrade -y
sudo apt install build-essential jq -y

Install Golang

Install latest go version

https://golang.org/doc/install
wget -q -O - https://raw.githubusercontent.com/canha/golang-tools-install-script/master/goinstall.sh | bash -s -- --version 1.18
source ~/.profile

To verify that Golang installed

go version

Command should return go version go1.18 linux/amd64

Clone Master Repository

git clone https://github.com/PriceChain/cprc.git

Install the executables

sudo rm -rf ~/.cprc
cd cprc
make install

clear

mkdir -p ~/.cprc/upgrade_manager/upgrades
mkdir -p ~/.cprc/upgrade_manager/genesis/bin

Symlink genesis binary to upgrade

cp $(which cprcd) ~/.cprc/upgrade_manager/genesis/bin
sudo cp $(which cprcd) /usr/bin
sudo cp $(which cprcd-manager) /usr/bin

Initialize the Validator, where "Validator" is a moniker name

cprcd init "Validator" --chain-id "chainname"

Validator

cprcd keys add "Validator" --keyring-backend os 

Validator1

cprcd keys add "Validator1" --keyring-backend os

Add genesis accounts

cprcd add-genesis-account $(cprcd keys show "Validator" -a --keyring-backend os) 1571340000000uprcna
cprcd add-genesis-account $(cprcd keys show "Validator1" -a --keyring-backend os) 1571340000000uprcna

Generate CreateValidator signed transaction

cprcd gentx "Validator" 1571340000000uprcna --keyring-backend os --chain-id "chainname"

Collect genesis transactions

cprcd collect-gentxs

Replace stake to PRCNA

sed -i 's/stake/uprcna/g' ~/.cprc/config/genesis.json

Create the service file "/etc/systemd/system/cprcd.service" with the following content

sudo nano /etc/systemd/system/cprcd.service

Paste following content

[Unit]
Description=cprcd
Requires=network-online.target
After=network-online.target

[Service]
Restart=on-failure
RestartSec=3
User=ubuntu
Group=ubuntu
Environment=DAEMON_NAME=cprcd
Environment=DAEMON_HOME=/home/ubuntu/.cprc
Environment=DAEMON_ALLOW_DOWNLOAD_BINARIES=on
Environment=DAEMON_RESTART_AFTER_UPGRADE=on
PermissionsStartOnly=true
ExecStart=/usr/bin/cprcd-manager start --pruning="nothing" --rpc.laddr "tcp://0.0.0.0:26657"
ExecReload=/bin/kill -HUP $MAINPID
KillSignal=SIGTERM
LimitNOFILE=4096

[Install]
WantedBy=multi-user.target

Create log files for cprcd

sudo systemctl enable cprcd
sudo systemctl start cprcd

Sentry Node

Update and upgrade the system packages and install build-essential and jq packages

sudo apt update
sudo apt upgrade -y
sudo apt install build-essential jq -y

Install Golang

wget -q -O - https://raw.githubusercontent.com/canha/golang-tools-install-script/master/goinstall.sh | bash -s -- --version 1.18
source ~/.profile

Clone the master repository

sudo git clone https://github.com/PriceChain/Cprc_chain.git

Install the executables

sudo rm -rf ~/.cprc
cd cprc
make install
clear
mkdir -p ~/.cprc/upgrade_manager/upgrades
mkdir -p ~/.cprc/upgrade_manager/genesis/bin

Symlink genesis binary to upgrade

cp $(which cprcd) ~/.cprc/upgrade_manager/genesis/bin
sudo cp $(which cprcd) /usr/bin
sudo cp $(which cprcd-manager) /usr/bin

Initialize the sentry node

cprcd init sentrynode_name --chain-id chain_name, where sentrynode_name = sentry name, chain_name = chain name

Add new wallet & buy PRCNA Coin to stake, but here is just using a genesis account ( NOT NEEDED)

cprcd keys add "validator1" --keyring-backend os --recover

Fetch genesis configuration from the first node deployed

curl http://<first_node_IP>:26657/genesis? | jq ".result.genesis" > ~/.cprc/config/genesis.json

Change seeds item in ~/.cprc/config/config.toml file. (Format: node_id@peer_node_ip:26656")

sudo nano ~/.cprc/config/config.toml

Modify 'private_peers_id = "validator1@xx.xx.xx.xx:26656", where id = validator1 id, xx = validator1 address

Replace stake to PRC

sed -i 's/stake/uprcna/g' ~/.cprc/config/genesis.json

Create the service file "/etc/systemd/system/cprcd.service"

sudo nano /etc/systemd/system/cprcd.service

Paste the following content

[Unit]
Description=cprcd
Requires=network-online.target
After=network-online.target

[Service]
Restart=on-failure
RestartSec=3
User=ubuntu
Group=ubuntu
Environment=DAEMON_NAME=cprcd
Environment=DAEMON_HOME=/home/ubuntu/.cprc
Environment=DAEMON_ALLOW_DOWNLOAD_BINARIES=on
Environment=DAEMON_RESTART_AFTER_UPGRADE=on
PermissionsStartOnly=true
ExecStart=/usr/bin/cprcd-manager start --pruning="nothing" --rpc.laddr "tcp://0.0.0.0:26657"
ExecReload=/bin/kill -HUP $MAINPID
KillSignal=SIGTERM
LimitNOFILE=4096

[Install]
WantedBy=multi-user.target

Create log files for cprcd

sudo systemctl enable cprcd
sudo systemctl start cprcd

Become a validator by staking PRCNA coin

cprcd tx staking create-validator --from "validator1" --moniker "validator1" --pubkey $(cprcd tendermint show-validator) --chain-id "chainname" --keyring-backend os --amount 1571340000000uprcna --commission-max-change-rate 0.01 --commission-max-rate 0.2 --commission-rate 0 --commission-rate 0.1 --min-self-delegation 1 -y

Naming Conventions

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#	Chain Name	Chain ID	Token Symbol	Account Prefix
0	pricechain-trs	pricechain-trs-1	prc	price
1	pricechain-na	pricechain-na-1	prcna	pricena
2	pricechain-sa	pricechain-sa-1	prcsa	pricesa
3	pricechain-eu	pricechain-eu-1	prceu	priceeu
4	pricechain-af	pricechain-af-1	prcaf	priceaf
5	pricechain-as	pricechain-as-1	prcas	priceas
6	pricechain-oc	pricechain-oc-1	prcoc	priceoc

---