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JW Node Services

Fiamma

Installation

Terminal window
# install dependencies, if needed
sudo apt update && sudo apt upgrade -y
sudo apt install curl git wget htop tmux build-essential jq make lz4 gcc unzip -y
Terminal window
# install go, if needed
cd $HOME
VER="1.22.3"
wget "https://golang.org/dl/go$VER.linux-amd64.tar.gz"
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf "go$VER.linux-amd64.tar.gz"
rm "go$VER.linux-amd64.tar.gz"
[ ! -f ~/.bash_profile ] && touch ~/.bash_profile
echo "export PATH=$PATH:/usr/local/go/bin:~/go/bin" >> ~/.bash_profile
source $HOME/.bash_profile
[ ! -d ~/go/bin ] && mkdir -p ~/go/bin


# set vars
echo "export WALLET="wallet"" >> $HOME/.bash_profile
echo "export MONIKER="test"" >> $HOME/.bash_profile
echo "export FIAMMA_CHAIN_ID="fiamma-testnet-1"" >> $HOME/.bash_profile
echo "export FIAMMA_PORT="50"" >> $HOME/.bash_profile
source $HOME/.bash_profile


# download binary
cd $HOME
rm -rf fiamma
git clone https://github.com/fiamma-chain/fiamma.git
cd fiamma
git checkout v1.0.0
make install


# config and init app
fiammad init $MONIKER --chain-id $FIAMMA_CHAIN_ID
sed -i -e "s|^node *=.*|node = \"tcp://localhost:${FIAMMA_PORT}657\"|" $HOME/.fiamma/config/client.toml
sed -i -e "s|^keyring-backend *=.*|keyring-backend = \"os\"|" $HOME/.fiamma/config/client.toml
sed -i -e "s|^chain-id *=.*|chain-id = \"fiamma-testnet-1\"|" $HOME/.fiamma/config/client.toml


# download genesis and addrbook
wget -O $HOME/.fiamma/config/genesis.json https://server-5.itrocket.net/testnet/fiamma/genesis.json
wget -O $HOME/.fiamma/config/addrbook.json  https://server-5.itrocket.net/testnet/fiamma/addrbook.json


# set seeds and peers
SEEDS="1e8777199f1edb3a35937e653b0bb68422f3c931@fiamma-testnet-seed.itrocket.net:50656"
PEERS="16b7389e724cc440b2f8a2a0f6b4c495851934ff@fiamma-testnet-peer.itrocket.net:49656,db875e2cb29c22752486422244c006ab13734149@46.4.91.76:29556,4f5efac1afd504f3b16fa79199965dfbc45880e3@[2a03:cfc0:8000:13::b910:27be]:14356,1a0ff9e5c08df76b19556b50aff82ec6dfd5beee@65.109.53.24:45656,4d776c7de10b81f0d81ef8a056548b002d1eb801@87.120.165.181:26656,ccf2182de7b813cfbdf4560c54ee87962f0f5b65@188.40.85.207:14456,ddb0fd5cf50a7d9c816a08dfcaa14099f7cf2493@65.109.112.148:40056,36f33fb00260f16532a061b9926e352bb7cbf004@85.239.241.218:37656,a12e8531f345ccff39f47847aabf12e73e216ee3@144.76.97.251:26796,5e5f2eb750f8e1098f71b8287240fbaeb4e90f6e@152.53.110.139:32656"
sed -i -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*seeds *=.*/seeds = \"$SEEDS\"/}" \
       -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*persistent_peers *=.*/persistent_peers = \"$PEERS\"/}" $HOME/.fiamma/config/config.toml


# set custom ports in app.toml
sed -i.bak -e "s%:1317%:${FIAMMA_PORT}317%g;
s%:8080%:${FIAMMA_PORT}080%g;
s%:9090%:${FIAMMA_PORT}090%g;
s%:9091%:${FIAMMA_PORT}091%g;
s%:8545%:${FIAMMA_PORT}545%g;
s%:8546%:${FIAMMA_PORT}546%g;
s%:6065%:${FIAMMA_PORT}065%g" $HOME/.fiamma/config/app.toml


# set custom ports in config.toml file
sed -i.bak -e "s%:26658%:${FIAMMA_PORT}658%g;
s%:26657%:${FIAMMA_PORT}657%g;
s%:6060%:${FIAMMA_PORT}060%g;
s%:26656%:${FIAMMA_PORT}656%g;
s%^external_address = \"\"%external_address = \"$(wget -qO- eth0.me):${FIAMMA_PORT}656\"%;
s%:26660%:${FIAMMA_PORT}660%g" $HOME/.fiamma/config/config.toml


# config pruning
sed -i -e "s/^pruning *=.*/pruning = \"custom\"/" $HOME/.fiamma/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"100\"/" $HOME/.fiamma/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"19\"/" $HOME/.fiamma/config/app.toml


# set minimum gas price, enable prometheus and disable indexing
sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0.00001ufia"|g' $HOME/.fiamma/config/app.toml
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.fiamma/config/config.toml
sed -i -e "s/^indexer *=.*/indexer = \"null\"/" $HOME/.fiamma/config/config.toml


# create service file
sudo tee /etc/systemd/system/fiammad.service > /dev/null <<EOF
[Unit]
Description=Fiamma node
After=network-online.target
[Service]
User=$USER
WorkingDirectory=$HOME/.fiamma
ExecStart=$(which fiammad) start --home $HOME/.fiamma
Restart=on-failure
RestartSec=5
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF


# reset and download snapshot
fiammad tendermint unsafe-reset-all --home $HOME/.fiamma
curl https://server-5.itrocket.net/testnet/fiamma/fiamma_2025-02-22_1555116_snap.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.fiamma


# enable and start service
sudo systemctl daemon-reload
sudo systemctl enable fiammad
sudo systemctl restart fiammad && sudo journalctl -u fiammad -fo cat

Create Wallet

Terminal window
# to create a new wallet, use the following command. don’t forget to save the mnemonic
fiammad keys add $WALLET


# to restore exexuting wallet, use the following command
fiammad keys add $WALLET --recover


# save wallet and validator address
WALLET_ADDRESS=$(fiammad keys show $WALLET -a)
VALOPER_ADDRESS=$(fiammad keys show $WALLET --bech val -a)
echo "export WALLET_ADDRESS="$WALLET_ADDRESS >> $HOME/.bash_profile
echo "export VALOPER_ADDRESS="$VALOPER_ADDRESS >> $HOME/.bash_profile
source $HOME/.bash_profile


# check sync status, once your node is fully synced, the output from above will print "false"
fiammad status 2>&1 | jq


# before creating a validator, you need to fund your wallet and check balance
fiammad query bank balances $WALLET_ADDRESS

Create Validator

Terminal window
cd $HOME
# Create validator.json file
echo "{\"pubkey\":{\"@type\":\"/cosmos.crypto.ed25519.PubKey\",\"key\":\"$(fiammad comet show-validator | grep -Po '\"key\":\s*\"\K[^"]*')\"},
    \"amount\": \"1000000ufia\",
    \"moniker\": \"test\",
    \"identity\": \"\",
    \"website\": \"\",
    \"security\": \"\",
    \"details\": \"\",
    \"commission-rate\": \"0.1\",
    \"commission-max-rate\": \"0.2\",
    \"commission-max-change-rate\": \"0.01\",
    \"min-self-delegation\": \"1\"
}" > validator.json
# Create a validator using the JSON configuration
fiammad tx staking create-validator validator.json \
    --from $WALLET \
    --chain-id fiamma-testnet-1 \
  --gas auto --gas-adjustment 1.5