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Arable Cosmos Testnet bamboo_9000-1 Validator Node Setup

Install Ubuntu 20.04 on a new server and login as root

Install ufw firewall and configure the firewall

apt-get update
apt-get install ufw
ufw default deny incoming
ufw default allow outgoing
ufw allow 22
ufw allow 26656
ufw enable

Create a new User

# add user
adduser node

# add user to sudoers
usermod -aG sudo node

# login as user
su - node

Install Prerequisites

sudo apt update
sudo apt install pkg-config build-essential libssl-dev curl jq git libleveldb-dev -y
sudo apt-get install manpages-dev -y

# install go
curl https://dl.google.com/go/go1.18.5.linux-amd64.tar.gz | sudo tar -C/usr/local -zxvf -


# Update environment variables to include go
cat <<'EOF' >>$HOME/.profile
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export GO111MODULE=on
export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
EOF


source $HOME/.profile

# check go version
go version

Install Arable Testnet Node

git clone https://github.com/ArableProtocol/acrechain.git
cd acrechain
git checkout testnet_bamboo
make install
cd
acred version --long

You should get the following output:

name: acre
server_name: acred
version: ""
commit: 01482d6deddda2b0b4a399857857dc2a0dd38555

Initialise your Validator node

#Choose a name for your validator and use it in place of “<moniker-name>” in the following command:
acred init <moniker-name> --chain-id bamboo_9000-1

#Example
acred init Synergy_Nodes --chain-id bamboo_9000-1

Download genesis.json file

cd ~/.acred/config
rm genesis.json
cd

wget https://raw.githubusercontent.com/ArableProtocol/acrechain/testnet_bamboo/networks/bamboo/genesis.json -O $HOME/.acred/config/genesis.json

Update configuration and peers list

cd

PEERS="[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:36656"

sed -i -e "s/^seeds *=.*/seeds = \"$SEEDS\"/; s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.acred/config/config.toml

Start the node and let it Sync

acred start

# Press Ctrl+c to exit

Running the validator as a systemd unit

cd /etc/systemd/system
sudo nano acred.service

Copy the following content into acred.service and save it.

[Unit]
Description=Acred Daemon
#After=network.target
StartLimitInterval=350
StartLimitBurst=10

[Service]
Type=simple
User=node
ExecStart=/home/node/go/bin/acred start
Restart=on-abort
RestartSec=30

[Install]
WantedBy=multi-user.target

[Service]
LimitNOFILE=1048576

sudo systemctl daemon-reload
sudo systemctl enable acred

# Start the service
sudo systemctl start acred

# Stop the service
sudo systemctl stop acred

# Restart the service
sudo systemctl restart acred


# For Entire log
journalctl -t acred

# For Entire log reversed
journalctl -t acred -r

# Latest and continuous
journalctl -t acred -f

Execute the folloiwng command to get the node id

acred tendermint show-node-id

Create a Wallet for your Validator Node

Make sure to copy the 24 words Mnemonics Phrase, save it in a file and store it on a safe location.

acred keys add <wallet-name>

#Example
acred keys add my_wallet

The following applys after the network goes live on 13th June 2022

Get some ACRE tokens to the above created wallet.

Create and Register Your Validator Node

acred tx staking create-validator -y \
  --chain-id bamboo_9000-1 \
  --moniker <moniker-name> \
  --pubkey "$(acred tendermint show-validator)" \
  --amount 5000000000000000000uacre \
  --identity "<Keybase.io ID>" \
  --website "<website-address>" \
  --details "Some description" \
  --from <wallet-name> \
  --gas=300000 \
  --commission-rate=0.0 \
  --commission-max-rate=0.05 \
  --commission-max-change-rate=0.01 \
  --min-self-delegation 1
  
#Example

acred tx staking create-validator -y \
  --chain-id bamboo_9000-1 \
  --moniker "Synergy Nodes" \
  --pubkey "$(acred tendermint show-validator)" \
  --amount 5000000000000000000uacre \
  --identity "D74433D32938F013" \
  --website "http://www.mywebsite.com" \
  --details "Some description" \
  --from my_wallet \
  --gas=300000 \
  --commission-rate=0.0 \
  --commission-max-rate=0.05 \
  --commission-max-change-rate=0.01 \
  --min-self-delegation 1

Get Validator Operator Address (Valoper Address)

Make sure to change <wallet-name> to correct values.

acred keys show <wallet-name> --bech val --output json | jq -r .address

#Example
acred keys show my_wallet --bech val --output json | jq -r .address

Delegate ACRE to Your Node

acred tx staking delegate <validator-address> 1000000uacre --from <wallet-name> --chain-id bamboo_9000-1 -y

#Example
acred tx staking delegate acrevaloper1y4pfpkwpy6myskp7pne256k6smh2rjtay37kwc 1000000uacre --from my_wallet --chain-id bamboo_9000-1 -y

Backup Validator node file

Take a backup of the following files after you have created and registered your validator node successfully.

/home/node/.acred/config/node_key.json
/home/node/.acred/config/priv_validator_key.json
/home/node/.acred/data/priv_validator_state.json

Withdraw Rewards

Make sure to change <validator-operator-address>, <wallet-name> to correct values.

acred tx distribution withdraw-rewards <validator-address> --from <wallet-name> --chain-id=bamboo_9000-1 -y

#Example
acred tx distribution withdraw-rewards acrevaloper1y4pfpkwpy6myskp7pne256k6smh2rjtay37kwc --from synergy --chain-id=bamboo_9000-1 -y

Check Balance of an Address

acred query bank balances <wallet-address>

#Example:
acred query bank balances acre1y4pfpkwpy6myskp7pne256k6smh2rjtaaf0xv9