Installation - LaTanda

LaTanda

Chain ID: latanda-testnet-1

Block Height:

Network Status: Connecting

Explorer

latanda-testnet-1

Manual node installation

LaTanda reviewed manual node installation and validator workflow.

Official operator documentation Project website Source repository Explorer

BonyNode setup profile

Configure once — generate every command

These values update the LaTanda installation, wallet, validator, sync and firewall commands below.

No seed phrases or private keys

Node name / monikerWallet namePort prefixTwo digits from 10 to 64Pruning mode

Advanced node settings

Optional pruning, indexer and validator defaults.

Keep recent blocksPruning intervalTransaction indexerMinimum self delegationAmount in ultd

Recommended hardware: 2 CPU, 4GB RAM, 50GB SSD minimum; 4 CPU, 8GB RAM and 200GB SSD recommendedProfile is valid — commands are ready

Network: Testnet

Chain ID: latanda-testnet-1

Guide review: 2026-07-14 · 3 source references

Recommended hardware: 2 CPU, 4GB RAM, 50GB SSD minimum; 4 CPU, 8GB RAM and 200GB SSD recommended

Go version: 1.25.6

Binary: latandad

Node home: ~/.latanda

Reviewed external installation guide

The guide was reviewed against current project metadata and official operator documentation. Hosted BonyNode infrastructure is not implied; confirm the selected release and network parameters before using a production host.

Prepare the node host

# install dependencies
sudo apt update
sudo apt install -y ca-certificates curl git wget htop tmux build-essential jq make lz4 gcc unzip

# install Go, if needed
cd "$HOME"
VER="1.25.6"
case "$(uname -m)" in
  x86_64) ARCH="amd64" ;;
  aarch64|arm64) ARCH="arm64" ;;
  *) echo "Unsupported architecture: $(uname -m)" >&2; exit 1 ;;
esac
GO_FILE="go${VER}.linux-${ARCH}.tar.gz"
GO_SHA256=$(curl -fsSL 'https://go.dev/dl/?mode=json&include=all' \
  | jq -r --arg file "$GO_FILE" '.[] | .files[] | select(.filename == $file) | .sha256' \
  | head -n 1)
test -n "$GO_SHA256"
curl -fL --retry 3 "https://go.dev/dl/$GO_FILE" -o "$GO_FILE"
printf '%s  %s\n' "$GO_SHA256" "$GO_FILE" | sha256sum --check -

if [ -d /usr/local/go ]; then
  sudo mv /usr/local/go "/usr/local/go.backup.$(date -u +%Y%m%dT%H%M%SZ)"
fi
sudo tar -C /usr/local -xzf "$GO_FILE"
rm -f "$GO_FILE"
touch "$HOME/.bash_profile"
grep -qxF 'export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin' "$HOME/.bash_profile" \
  || echo 'export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin' >> "$HOME/.bash_profile"
source "$HOME/.bash_profile"
mkdir -p "$HOME/go/bin"
go version

Set node variables

# set variables
ENV_FILE="$HOME/.bonynode-latanda.env"
cat > "$ENV_FILE" <<'EOF'
export WALLET='wallet'
export MONIKER='validator-name'
export LATANDA_CHAIN_ID='latanda-testnet-1'
export LATANDA_PORT='10'
export LATANDA_HOME="$HOME/.latanda"
export DAEMON_NAME='latandad'
EOF
chmod 600 "$ENV_FILE"

touch "$HOME/.bash_profile"
PROFILE_LINE='source "$HOME/.bonynode-latanda.env"'
grep -qxF "$PROFILE_LINE" "$HOME/.bash_profile" || echo "$PROFILE_LINE" >> "$HOME/.bash_profile"
source "$ENV_FILE"

printf 'Wallet: %s | Moniker: %s | Chain ID: %s | Port prefix: %s\n' \
  "$WALLET" "$MONIKER" "$LATANDA_CHAIN_ID" "$LATANDA_PORT"

Build the pinned node binary

set -euo pipefail
cd "$HOME"
test ! -e la-tanda-chain || { echo 'Stop: $HOME/la-tanda-chain already exists; review it before continuing.' >&2; exit 1; }
git clone https://github.com/INDIGOAZUL/la-tanda-chain.git la-tanda-chain
cd la-tanda-chain
git checkout --detach 2f135e55d596a765c83bf4bec65ca91a6e1ee535
test "$(git rev-parse HEAD)" = "2f135e55d596a765c83bf4bec65ca91a6e1ee535"
go build -o latandad ./cmd/latandad
mkdir -p "$HOME/go/bin"
install -m 0755 latandad "$HOME/go/bin/latandad"

# Verify which binary will be used before initialization.
command -v "latandad"
"latandad" version

Initialize a new node home

set -euo pipefail
BIN="latandad"
CHAIN_ID="latanda-testnet-1"
MONIKER='validator-name'
NODE_HOME="$HOME/.latanda"

command -v "$BIN"
test ! -e "$NODE_HOME" || { echo "Stop: $NODE_HOME already exists; back it up and review it first." >&2; exit 1; }
"$BIN" init "$MONIKER" --chain-id "$CHAIN_ID" --home "$NODE_HOME"
test -f "$NODE_HOME/config/genesis.json"

set -euo pipefail
CHAIN_ID="latanda-testnet-1"
NODE_HOME="$HOME/.latanda"
CLIENT_TOML="$NODE_HOME/config/client.toml"
LOCAL_RPC="tcp://127.0.0.1:10657"

test -f "$CLIENT_TOML"
cp --no-clobber "$CLIENT_TOML" "$CLIENT_TOML.bonynode-backup" || true
sed -i -E \
  -e "s|^chain-id[[:space:]]*=.*|chain-id = \"$CHAIN_ID\"|" \
  -e 's|^keyring-backend[[:space:]]*=.*|keyring-backend = "os"|' \
  -e "s|^node[[:space:]]*=.*|node = \"$LOCAL_RPC\"|" \
  "$CLIENT_TOML"
grep -E '^(chain-id|keyring-backend|node)[[:space:]]*=' "$CLIENT_TOML"

Install genesis and configure peers

set -euo pipefail
CHAIN_ID='latanda-testnet-1'
NODE_HOME="$HOME/.latanda"
GENESIS_URL='https://latanda.online/chain/genesis.json'
GENESIS_SHA256='98fc9871d6a3b7b12b3f7fcaa1ca3303ffcfad0f209d61355975a15069ac3907'
GENESIS_MAX_BYTES=1000000000
WORK_DIR=$(mktemp -d)
trap 'rm -rf "$WORK_DIR"' EXIT
GENESIS_DOWNLOAD="$WORK_DIR/genesis.download"
GENESIS_JSON="$WORK_DIR/genesis.json"
GENESIS_CHUNK="$WORK_DIR/genesis-chunk-zero.json"

test -d "$NODE_HOME/config"
curl --fail --show-error --location --retry 3 \
  --connect-timeout 15 --max-time 1800 --proto '=https' --proto-redir '=https' \
  --max-filesize "$GENESIS_MAX_BYTES" --output "$GENESIS_JSON" "$GENESIS_URL"
jq -e --arg chain "$CHAIN_ID" 'type == "object" and .chain_id == $chain and (.app_state | type == "object")' "$GENESIS_JSON" >/dev/null
printf '%s  %s\n' "$GENESIS_SHA256" "$GENESIS_JSON" | sha256sum --check -
cp --no-clobber "$NODE_HOME/config/genesis.json" "$NODE_HOME/config/genesis.json.init-backup" || true
install -m 0644 "$GENESIS_JSON" "$NODE_HOME/config/genesis.json"
printf 'Installed verified genesis for %s (%s)\n' "$CHAIN_ID" "$GENESIS_SHA256"

set -euo pipefail
CONFIG_TOML="$HOME/.latanda/config/config.toml"
SEEDS='[email protected]:26656'
test -f "$CONFIG_TOML"
cp --no-clobber "$CONFIG_TOML" "$CONFIG_TOML.bonynode-backup" || true
sed -i "s|^seeds *=.*|seeds = \"$SEEDS\"|" "$CONFIG_TOML"
grep '^seeds' "$CONFIG_TOML"

Apply ports, pruning, gas and network settings

set -euo pipefail
NODE_HOME="$HOME/.latanda"
APP_TOML="$NODE_HOME/config/app.toml"
CONFIG_TOML="$NODE_HOME/config/config.toml"

test -f "$APP_TOML"
test -f "$CONFIG_TOML"
cp --no-clobber "$APP_TOML" "$APP_TOML.bonynode-backup" || true
cp --no-clobber "$CONFIG_TOML" "$CONFIG_TOML.bonynode-backup" || true

# Application API, gRPC and optional EVM ports.
sed -i \
  -e 's|:1317|:10317|g' \
  -e 's|:8080|:10080|g' \
  -e 's|:9090|:10090|g' \
  -e 's|:9091|:10091|g' \
  -e 's|:8545|:10545|g' \
  -e 's|:8546|:10546|g' \
  -e 's|:6065|:10065|g' \
  "$APP_TOML"

# CometBFT RPC, P2P, proxy-app, pprof and Prometheus ports.
sed -i \
  -e 's|:26658|:10658|g' \
  -e 's|:26657|:10657|g' \
  -e 's|:6060|:10060|g' \
  -e 's|:26656|:10656|g' \
  -e 's|:26660|:10660|g' \
  "$CONFIG_TOML"

sed -i -E \
  -e 's|^pruning[[:space:]]*=.*|pruning = "custom"|' \
  -e 's|^pruning-keep-recent[[:space:]]*=.*|pruning-keep-recent = "100"|' \
  -e 's|^pruning-keep-every[[:space:]]*=.*|pruning-keep-every = "0"|' \
  -e 's|^pruning-interval[[:space:]]*=.*|pruning-interval = "19"|' \
  "$APP_TOML"
sed -i -E 's|^indexer[[:space:]]*=.*|indexer = "null"|' "$CONFIG_TOML"
sed -i -E 's|^prometheus[[:space:]]*=.*|prometheus = true|' "$CONFIG_TOML"

grep -E '^(pruning|pruning-keep-recent|pruning-interval)[[:space:]]*=' "$APP_TOML"
grep -E '^(indexer|prometheus)[[:space:]]*=' "$CONFIG_TOML"
printf 'RPC=%s P2P=%s API=%s gRPC=%s Prometheus=%s\n' \
  '10657' '10656' '10317' \
  '10090' '10660'

set -euo pipefail
APP_TOML="$HOME/.latanda/config/app.toml"
test -f "$APP_TOML"
cp --no-clobber "$APP_TOML" "$APP_TOML.bonynode-backup" || true

if grep -q '^minimum-gas-prices' "$APP_TOML"; then
  sed -i 's|^minimum-gas-prices *=.*|minimum-gas-prices = "0.001ultd"|' "$APP_TOML"
else
  printf '\nminimum-gas-prices = "0.001ultd"\n' >> "$APP_TOML"
fi
grep '^minimum-gas-prices' "$APP_TOML"

Create the service, start and verify the node

set -euo pipefail
BIN="latandad"
CHAIN_ID="latanda-testnet-1"
NODE_HOME="$HOME/.latanda"
SERVICE="latandad.service"
BIN_PATH=$(command -v "$BIN")
SERVICE_USER="$USER"
LOCAL_RPC_PORT="10657"

test -x "$BIN_PATH"
test -s "$NODE_HOME/config/genesis.json"
sudo tee "/etc/systemd/system/$SERVICE" >/dev/null <<EOF
[Unit]
Description=LaTanda node
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
User=${SERVICE_USER}
ExecStart=${BIN_PATH} start --home ${NODE_HOME}
Restart=on-failure
RestartSec=5
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

sudo systemctl daemon-reload
sudo systemctl enable --now "$SERVICE"
sudo systemctl status "$SERVICE" --no-pager

# Wait briefly for the local RPC listener and require the configured chain ID.
for attempt in {1..30}; do
  if STATUS=$(curl --fail --silent "http://127.0.0.1:$LOCAL_RPC_PORT/status"); then
    jq -e --arg chain "$CHAIN_ID" '.result.node_info.network == $chain' <<<"$STATUS"
    exit 0
  fi
  sleep 2
done
echo 'Local RPC did not become ready; inspect the service journal.' >&2
sudo journalctl -u "$SERVICE" -n 100 --no-pager
exit 1

Node sync checker

Compare the selected local RPC height with the chain-verified BonyNode reference. Stop with Ctrl+C.

#!/usr/bin/env bash

CHAIN_ID="latanda-testnet-1"
CONFIG="$HOME/.latanda/config/config.toml"
RPC_PORT=$(grep -m 1 -oP '^laddr = "\K[^"]+' "$CONFIG" | cut -d ':' -f 3)
RPC_PORT="${RPC_PORT:-10657}"
NETWORK_RPC="https://latanda.online/chain/rpc"

while true; do
  LOCAL_STATUS=$(curl -fsS --max-time 10 "http://127.0.0.1:$RPC_PORT/status" 2>/dev/null || true)
  NETWORK_STATUS=$(curl -fsS --max-time 10 "$NETWORK_RPC/status" 2>/dev/null || true)
  LOCAL_CHAIN=$(jq -r '.result.node_info.network // empty' <<<"$LOCAL_STATUS" 2>/dev/null)
  NETWORK_CHAIN=$(jq -r '.result.node_info.network // empty' <<<"$NETWORK_STATUS" 2>/dev/null)
  LOCAL_HEIGHT=$(jq -r '.result.sync_info.latest_block_height // empty' <<<"$LOCAL_STATUS" 2>/dev/null)
  NETWORK_HEIGHT=$(jq -r '.result.sync_info.latest_block_height // empty' <<<"$NETWORK_STATUS" 2>/dev/null)

  if [[ "$LOCAL_CHAIN" != "$CHAIN_ID" || "$NETWORK_CHAIN" != "$CHAIN_ID" ||
        ! "$LOCAL_HEIGHT" =~ ^[0-9]+$ || ! "$NETWORK_HEIGHT" =~ ^[0-9]+$ ]]; then
    echo -e "\033[1;31mError: invalid RPC response. Retrying...\033[0m"
    sleep 5
    continue
  fi

  BLOCKS_LEFT=$((NETWORK_HEIGHT - LOCAL_HEIGHT))
  (( BLOCKS_LEFT < 0 )) && BLOCKS_LEFT=0
  echo -e "\033[1;33mNode Height:\033[1;34m $LOCAL_HEIGHT\033[0m \033[1;33m| Network Height:\033[1;36m $NETWORK_HEIGHT\033[0m \033[1;33m| Blocks Left:\033[1;31m $BLOCKS_LEFT\033[0m"
  sleep 5
done

Create or restore wallet

set -euo pipefail
BIN="latandad"
WALLET='wallet'
[[ "$WALLET" =~ ^[a-zA-Z0-9_-]{1,64}$ ]] || { echo "Invalid wallet name" >&2; exit 1; }

# Create a new key. Store the mnemonic offline; it cannot be recovered by BonyNode.
"$BIN" keys add "$WALLET"

# To restore an existing key, run this separately:
# "$BIN" keys add "$WALLET" --recover

WALLET_ADDRESS=$("$BIN" keys show "$WALLET" -a)
"$BIN" query bank balances "$WALLET_ADDRESS"

Create validator

MonikerWallet nameIdentityWebsiteDetailsAmount in ultdMinimum self delegationCommission rateCommission max rateCommission max change

Legacy direct flags. A compatibility check stops before signing when the selected binary does not support this form.

#!/usr/bin/env bash
set -euo pipefail

BIN="latandad"
CHAIN_ID="latanda-testnet-1"
WALLET='wallet'
MONIKER='validator-name'
IDENTITY=''
WEBSITE=''
DETAILS='Independent validator'
AMOUNT="1000000ultd"
MIN_SELF_DELEGATION="1"
COMMISSION_RATE="0.10"
COMMISSION_MAX_RATE="0.20"
COMMISSION_MAX_CHANGE="0.01"
if PUBKEY_JSON=$("$BIN" comet show-validator 2>/dev/null); then
  :
else
  PUBKEY_JSON=$("$BIN" tendermint show-validator)
fi
jq -e 'type == "object"' <<<"$PUBKEY_JSON" >/dev/null

"$BIN" tx staking create-validator \
  --amount "$AMOUNT" \
  --from "$WALLET" \
  --commission-rate "$COMMISSION_RATE" \
  --commission-max-rate "$COMMISSION_MAX_RATE" \
  --commission-max-change-rate "$COMMISSION_MAX_CHANGE" \
  --min-self-delegation "$MIN_SELF_DELEGATION" \
  --pubkey "$PUBKEY_JSON" \
  --moniker "$MONIKER" \
  --identity "$IDENTITY" \
  --website "$WEBSITE" \
  --details "$DETAILS" \
  --chain-id "$CHAIN_ID" \
  --gas auto --gas-adjustment 1.5 --gas-prices 0.001ultd \
  --yes

Basic host firewall

set -euo pipefail

P2P_PORT="10656"
sudo ufw default allow outgoing
sudo ufw default deny incoming
sudo ufw allow OpenSSH
sudo ufw allow "$P2P_PORT/tcp"
sudo ufw enable
sudo ufw status verbose

# RPC/API/gRPC remain private unless you deliberately add authenticated
# reverse-proxy rules. Never expose validator signing services publicly.

Advanced and recovery operations

Reversible decommission

This procedure stops and disables the service but retains the node home, binary and service file. Verify the backup before any later deletion.

set -euo pipefail

SERVICE="latandad"
NODE_HOME="$HOME/.latanda"
STAMP=$(date -u +%Y%m%dT%H%M%SZ)
RETIRED_HOME="$NODE_HOME.retired.$STAMP"
KEY_BACKUP="$HOME/latandad-validator-keys-$STAMP.tar.gz"
NODE_STOPPED=0

rollback() {
  trap - ERR INT TERM
  if [ "$NODE_STOPPED" -eq 1 ]; then sudo systemctl start "$SERVICE" || true; fi
  exit 1
}
trap rollback ERR INT TERM

test -d "$NODE_HOME"
test ! -e "$RETIRED_HOME"
test -s "$NODE_HOME/config/priv_validator_key.json"
test -s "$NODE_HOME/data/priv_validator_state.json"
sudo systemctl stop "$SERVICE"
NODE_STOPPED=1

# Back up validator identity/state before moving anything.
tar -czf "$KEY_BACKUP" -C "$NODE_HOME" \
  config/priv_validator_key.json config/node_key.json data/priv_validator_state.json
test -s "$KEY_BACKUP"
mv "$NODE_HOME" "$RETIRED_HOME"
sudo systemctl disable "$SERVICE"
NODE_STOPPED=0
trap - ERR INT TERM

echo "Node home was retained at: $RETIRED_HOME"
echo "Critical key backup: $KEY_BACKUP"
echo "No binary, service file or node data was deleted."