installation

---

description: Setting up your validator node has never been so easy. Get your validator running in minutes by following step by step instructions.

Installation

Fetch.ai

Network name: Fetch.ai | Chain ID: fetchhub-4 | Latest version: v0.10.5 | Custom Port: 152

Setup validator name

Replace YOUR_MONIKER_GOES_HERE with your validator name

MONIKER="YOUR_MONIKER_GOES_HERE"

Install dependencies

Update system and install build tools

sudo apt -q update
sudo apt -qy install curl git jq zst build-essential
sudo apt -qy upgrade

Install Go

sudo rm -rf /usr/local/go
curl -Ls https://go.dev/dl/go1.19.8.linux-amd64.tar.gz | sudo tar -xzf - -C /usr/local
eval $(echo 'export PATH=$PATH:/usr/local/go/bin' | sudo tee /etc/profile.d/golang.sh)
eval $(echo 'export PATH=$PATH:$HOME/go/bin' | tee -a $HOME/.profile)

Download and build binaries

# Clone project repository
cd $HOME
rm -rf fetchhub
git clone https://github.com/fetchai/fetchd fetchhub
cd fetchhub
git checkout v0.10.5

# Build binaries
make install

# Prepare binaries for Cosmovisor
mkdir -p $HOME/.fetchd/cosmovisor/genesis/bin
mv ~/go/bin/fetchd $HOME/.fetchd/cosmovisor/genesis/bin/
rm -rf build

Install Cosmovisor and create a service

# Download and install Cosmovisor
go install cosmossdk.io/tools/cosmovisor/cmd/cosmovisor@v1.4.0

# Create service
sudo tee /etc/systemd/system/fetchd.service > /dev/null << EOF
[Unit]
Description=osmosis node service
After=network-online.target

[Service]
User=$USER
ExecStart=$(which cosmovisor) run start
WorkingDirectory=$HOME/.fetchd
Restart=always
RestartSec=5
LimitNOFILE=65535
Environment="DAEMON_HOME=$HOME/.fetchd"
Environment="DAEMON_NAME=fetchd"
Environment="DAEMON_ALLOW_DOWNLOAD_BINARIES=false"
Environment="DAEMON_RESTART_AFTER_UPGRADE=true"
Environment="UNSAFE_SKIP_BACKUP=true"
Environment="PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:$HOME/.fetchd/cosmovisor/current/bin"

[Install]
WantedBy=multi-user.target
EOF
sudo systemctl daemon-reload
sudo systemctl enable fetchd

Initialize the node

# Set node configuration
fetchd config chain-id fetchhub-4
fetchd config node tcp://localhost:15257

# Initialize the node
fetchd init $MONIKER --chain-id fetchhub-4

# Download genesis and addrbook
curl -Ls https://raw.githubusercontent.com/fetchai/genesis-fetchhub/fetchhub-4/fetchhub-4/data/genesis_migrated_5300200.json > $HOME/.fetchd/config/genesis.json
curl -Ls https://snapshots.lavenderfive.com/addrbooks/fetchhub/addrbook.json > $HOME/.fetchd/config/addrbook.json

# Add seeds
seeds="[e-mail]:36456,[e-mail]:36457,[e-mail]:36458,[e-mail]:15256,[e-mail]:27266,[e-mail]:26656,[e-mail]:16659,[e-mail]:10265,[e-mail]:28256"
sed -i -e "s|^seeds *=.*|seeds = \"$seeds\"|" $HOME/.fetchd/config/config.toml

# Set minimum gas price
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0afet\"|" $HOME/.fetchd/config/app.toml

# Set pruning
sed -i \
  -e 's|^pruning *=.*|pruning = "custom"|' \
  -e 's|^pruning-keep-recent *=.*|pruning-keep-recent = "100"|' \
  -e 's|^pruning-keep-every *=.*|pruning-keep-every = "0"|' \
  -e 's|^pruning-interval *=.*|pruning-interval = "19"|' \
  $HOME/.fetchd/config/app.toml

# Set custom ports
sed -i -e "s%^proxy_app = \"tcp://127.0.0.1:26658\"%proxy_app = \"tcp://127.0.0.1:15258\"%; s%^laddr = \"tcp://127.0.0.1:26657\"%laddr = \"tcp://127.0.0.1:15257\"%; s%^pprof_laddr = \"localhost:6060\"%pprof_laddr = \"localhost:15260\"%; s%^laddr = \"tcp://0.0.0.0:26656\"%laddr = \"tcp://0.0.0.0:15256\"%; s%^prometheus_listen_addr = \":26660\"%prometheus_listen_addr = \":15266\"%" $HOME/.fetchd/config/config.toml
sed -i -e "s%^address = \"tcp://0.0.0.0:1317\"%address = \"tcp://0.0.0.0:15217\"%; s%^address = \":8080\"%address = \":15280\"%; s%^address = \"0.0.0.0:9090\"%address = \"0.0.0.0:15290\"%; s%^address = \"0.0.0.0:9091\"%address = \"0.0.0.0:15291\"%; s%:8545%:15245%; s%:8546%:15246%; s%:6065%:15265%" $HOME/.fetchd/config/app.toml

Start service and check the logs

sudo systemctl start fetchd && sudo journalctl -u fetchd -f --no-hostname -o cat

Sync

To catch up quickly, you can either use a snapshot or state sync