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Paloma node setup for Testnet — paloma

Official documentation:

Explorer:

Usefull tools and references

To set up monitoring for your validator node navigate to Set up monitoring and alerting for paloma validator

To migrate your validator to another machine read Migrate your validator to another machine

Hardware Requirements

Like any Cosmos-SDK chain, the hardware requirements are pretty modest.

Minimum Hardware Requirements

  • 3x CPUs; the faster clock speed the better
  • 4GB RAM
  • 80GB Disk
  • Permanent Internet connection (traffic will be minimal during testnet; 10Mbps will be plenty - for production at least 100Mbps is expected)

Recommended Hardware Requirements

  • 4x CPUs; the faster clock speed the better
  • 16GB RAM
  • 200GB of storage (SSD or NVME)
  • Permanent Internet connection (traffic will be minimal during testnet; 10Mbps will be plenty - for production at least 100Mbps is expected)

Set up your paloma fullnode

Option 1 (automatic)

You can setup your paloma fullnode in few minutes by using automated script below. It will prompt you to input your validator node name!

wget -O paloma.sh https://raw.githubusercontent.com/kj89/testnet_manuals/main/paloma/paloma.sh && chmod +x paloma.sh && ./paloma.sh

Option 2 (manual)

You can follow manual guide if you better prefer setting up node manually

Post installation

When installation is finished please load variables into system

source $HOME/.bash_profile

Next you have to make sure your validator is syncing blocks. You can use command below to check synchronization status

palomad status 2>&1 | jq .SyncInfo

Create wallet

To create new wallet you can use command below. Don’t forget to save the mnemonic

palomad keys add $WALLET

(OPTIONAL) To recover your wallet using seed phrase

palomad keys add $WALLET --recover

To get current list of wallets

palomad keys list

Save wallet info

Add wallet and valoper address and load variables into the system

PALOMA_WALLET_ADDRESS=$(palomad keys show $WALLET -a)
PALOMA_VALOPER_ADDRESS=$(palomad keys show $WALLET --bech val -a)
echo 'export PALOMA_WALLET_ADDRESS='${PALOMA_WALLET_ADDRESS} >> $HOME/.bash_profile
echo 'export PALOMA_VALOPER_ADDRESS='${PALOMA_VALOPER_ADDRESS} >> $HOME/.bash_profile
source $HOME/.bash_profile

Fund your wallet

To fund your wallet navigate to https://faucet.palomaswap.com/ and input your paloma wallet address

Create validator

Before creating validator please make sure that you have at least 1 paloma (1 paloma is equal to 1000000 ugrain) and your node is synchronized

To check your wallet balance:

palomad query bank balances $PALOMA_WALLET_ADDRESS

If your wallet does not show any balance than probably your node is still syncing. Please wait until it finish to synchronize and then continue

To create your validator run command below

palomad tx staking create-validator \
  --amount 1000000ugrain \
  --from $WALLET \
  --commission-max-change-rate "0.01" \
  --commission-max-rate "0.2" \
  --commission-rate "0.07" \
  --min-self-delegation "1" \
  --pubkey  $(palomad tendermint show-validator) \
  --moniker $NODENAME \
  --chain-id $PALOMA_CHAIN_ID

Security

To protect you keys please make sure you follow basic security rules

Set up ssh keys for authentication

Good tutorial on how to set up ssh keys for authentication to your server can be found here

Basic Firewall security

Start by checking the status of ufw.

sudo ufw status

Sets the default to allow outgoing connections, deny all incoming except ssh and 26656. Limit SSH login attempts

sudo ufw default allow outgoing
sudo ufw default deny incoming
sudo ufw allow ssh/tcp
sudo ufw limit ssh/tcp
sudo ufw allow ${PALOMA_PORT}656,${PALOMA_PORT}660/tcp
sudo ufw enable

Monitoring

To monitor and get alerted about your validator health status you can use my guide on Set up monitoring and alerting for paloma validator

Calculate synchronization time

This script will help you to estimate how much time it will take to fully synchronize your node
It measures average blocks per minute that are being synchronized for period of 5 minutes and then gives you results

wget -O synctime.py https://raw.githubusercontent.com/kj89/testnet_manuals/main/paloma/tools/synctime.py && python3 ./synctime.py

Get list of validators

palomad q staking validators -oj --limit=3000 | jq '.validators[] | select(.status=="BOND_STATUS_BONDED")' | jq -r '(.tokens|tonumber/pow(10; 6)|floor|tostring) + " \t " + .description.moniker' | sort -gr | nl

Get currently connected peer list with ids

curl -sS http://localhost:${PALOMA_PORT}657/net_info | jq -r '.result.peers[] | "\(.node_info.id)@\(.remote_ip):\(.node_info.listen_addr)"' | awk -F ':' '{print $1":"$(NF)}'

Usefull commands

Service management

Check logs

journalctl -fu palomad -o cat

Start service

sudo systemctl start palomad

Stop service

sudo systemctl stop palomad

Restart service

sudo systemctl restart palomad

Node info

Synchronization info

palomad status 2>&1 | jq .SyncInfo

Validator info

palomad status 2>&1 | jq .ValidatorInfo

Node info

palomad status 2>&1 | jq .NodeInfo

Show node id

palomad tendermint show-node-id

Wallet operations

List of wallets

palomad keys list

Recover wallet

palomad keys add $WALLET --recover

Delete wallet

palomad keys delete $WALLET

Get wallet balance

palomad query bank balances $PALOMA_WALLET_ADDRESS

Transfer funds

palomad tx bank send $PALOMA_WALLET_ADDRESS <TO_PALOMA_WALLET_ADDRESS> 10000000ugrain

Voting

palomad tx gov vote 1 yes --from $WALLET --chain-id=$PALOMA_CHAIN_ID

Staking, Delegation and Rewards

Delegate stake

palomad tx staking delegate $PALOMA_VALOPER_ADDRESS 10000000ugrain --from=$WALLET --chain-id=$PALOMA_CHAIN_ID --gas=auto

Redelegate stake from validator to another validator

palomad tx staking redelegate <srcValidatorAddress> <destValidatorAddress> 10000000ugrain --from=$WALLET --chain-id=$PALOMA_CHAIN_ID --gas=auto

Withdraw all rewards

palomad tx distribution withdraw-all-rewards --from=$WALLET --chain-id=$PALOMA_CHAIN_ID --gas=auto

Withdraw rewards with commision

palomad tx distribution withdraw-rewards $PALOMA_VALOPER_ADDRESS --from=$WALLET --commission --chain-id=$PALOMA_CHAIN_ID

Validator management

Edit validator

palomad tx staking edit-validator \
  --moniker=$NODENAME \
  --identity=<your_keybase_id> \
  --website="<your_website>" \
  --details="<your_validator_description>" \
  --chain-id=$PALOMA_CHAIN_ID \
  --from=$WALLET

Unjail validator

palomad tx slashing unjail \
  --broadcast-mode=block \
  --from=$WALLET \
  --chain-id=$PALOMA_CHAIN_ID \
  --gas=auto

Delete node

This commands will completely remove node from server. Use at your own risk!

sudo systemctl stop palomad
sudo systemctl disable palomad
sudo rm /etc/systemd/system/paloma* -rf
sudo rm $(which palomad) -rf
sudo rm $HOME/.paloma* -rf
sudo rm $HOME/paloma -rf
sed -i '/PALOMA_/d' ~/.bash_profile