Celestia mocha-4

# System packages + Go 1.22
sudo apt update && sudo apt upgrade -y
sudo apt install -y curl git wget htop tmux build-essential jq lz4 unzip bsdmainutils

ver="1.22.5"
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"
echo "export PATH=\$PATH:/usr/local/go/bin:\$HOME/go/bin" >> $HOME/.bash_profile
source $HOME/.bash_profile
go version

cd $HOME
git clone https://github.com/celestiaorg/celestia-app.git
cd celestia-app
APP_VERSION=v9.0.4-mocha
git checkout tags/$APP_VERSION -b $APP_VERSION
make install
celestia-appd version  # → 9.0.4

# Replace MONIKER
MONIKER="your_moniker"
celestia-appd init "$MONIKER" --chain-id mocha-4

# Genesis
wget -O $HOME/.celestia-app/config/genesis.json \
  https://snapshots.axionis.space/celestia-mocha/genesis.json

# Peers + seeds
SEEDS="b402fe40f3474e9e208840702e1b7aa37f2edc4b@celestia-mocha-seed.axionis.space:14656"
PEERS="946d5d44632a10c9b3600c22fa62a7b3ad9870c1@67.213.118.143:11656,c7dc0a1d45f062a6f929b98cb14bbc22b58d821b@173.201.36.182:26656,7723832b945caf2762ba9efc6ef2c76c5656f150@103.66.180.225:26656,e26506bc1ed8f5ea373e1b8c5bc74551607d78a6@151.115.60.15:26656,a99ea596936acf40d01668f0a0f5b0883f67be40@195.154.103.156:26656"
sed -i -e "s|^seeds *=.*|seeds = \"$SEEDS\"|; s|^persistent_peers *=.*|persistent_peers = \"$PEERS\"|" \
  $HOME/.celestia-app/config/config.toml

# Min gas price + pruning
sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0.002utia"|g' \
  $HOME/.celestia-app/config/app.toml

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

sudo tee /etc/systemd/system/celestia-appd.service > /dev/null <<EOF
[Unit]
Description=Celestia mocha-4 node
After=network-online.target

[Service]
User=$USER
ExecStart=$(which celestia-appd) start --home $HOME/.celestia-app
Restart=on-failure
RestartSec=10
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

sudo systemctl daemon-reload
sudo systemctl enable celestia-appd
sudo systemctl start celestia-appd
sudo journalctl -u celestia-appd -f -o cat

sudo systemctl stop celestia-appd

# Backup priv_validator_state
cp $HOME/.celestia-app/data/priv_validator_state.json \
   $HOME/.celestia-app/priv_validator_state.json.backup

# Reset
celestia-appd tendermint unsafe-reset-all --home $HOME/.celestia-app --keep-addr-book

# Download & extract
curl -L https://snapshots.axionis.space/celestia-mocha/mocha-4_latest.tar.lz4 | \
  lz4 -dc - | tar -xf - -C $HOME/.celestia-app

# Restore priv_validator_state
mv $HOME/.celestia-app/priv_validator_state.json.backup \
   $HOME/.celestia-app/data/priv_validator_state.json

sudo systemctl restart celestia-appd
sudo journalctl -u celestia-appd -f -o cat

sudo systemctl stop celestia-appd

cp $HOME/.celestia-app/data/priv_validator_state.json \
   $HOME/.celestia-app/priv_validator_state.json.backup
celestia-appd tendermint unsafe-reset-all --home $HOME/.celestia-app --keep-addr-book

SNAP_RPC="https://celestia-mocha-rpc.axionis.space:443"

LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height)
BLOCK_HEIGHT=$((LATEST_HEIGHT - 2000))
TRUST_HASH=$(curl -s "$SNAP_RPC/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash)

sed -i \
  -e "s|^enable *=.*|enable = true|" \
  -e "s|^rpc_servers *=.*|rpc_servers = \"$SNAP_RPC,$SNAP_RPC\"|" \
  -e "s|^trust_height *=.*|trust_height = $BLOCK_HEIGHT|" \
  -e "s|^trust_hash *=.*|trust_hash = \"$TRUST_HASH\"|" \
  $HOME/.celestia-app/config/config.toml

mv $HOME/.celestia-app/priv_validator_state.json.backup \
   $HOME/.celestia-app/data/priv_validator_state.json
sudo systemctl restart celestia-appd
sudo journalctl -u celestia-appd -f -o cat

# Quick status check
curl -s https://celestia-mocha-rpc.axionis.space/status | jq '.result.sync_info'

PEERS="$(curl -sL https://files.axionis.space/celestia-mocha/peers.txt)"
sed -i.bak -e "s|^persistent_peers *=.*|persistent_peers = \"$PEERS\"|" \
  $HOME/.celestia-app/config/config.toml
sudo systemctl restart celestia-appd

wget -O $HOME/.celestia-app/config/addrbook.json \
  https://files.axionis.space/celestia-mocha/addrbook.json
sudo systemctl restart celestia-appd