run.sh

#!/bin/bash

set -e

export CHAIN_JSON="${CHAIN_JSON:-$CHAIN_URL}" # deprecate CHAIN_URL
if [ -n "$CHAIN_JSON" ]; then
  CHAIN_METADATA=$(curl -s $CHAIN_JSON)
  export CHAIN_ID="${CHAIN_ID:-$(echo $CHAIN_METADATA | jq -r .chain_id)}"
  export P2P_SEEDS="${P2P_SEEDS:-$(echo $CHAIN_METADATA | jq -r '.peers.seeds | map(.id+"@"+.address) | join(",")')}"
  export P2P_PERSISTENT_PEERS="${P2P_PERSISTENT_PEERS:-$(echo $CHAIN_METADATA | jq -r '.peers.persistent_peers | map(.id+"@"+.address) | join(",")')}"
  export GENESIS_URL="${GENESIS_URL:-$(echo $CHAIN_METADATA | jq -r '.genesis.genesis_url? // .genesis?')}"
  export BINARY_URL="${BINARY_URL:-$(echo $CHAIN_METADATA | jq -r '.codebase.binaries."linux/amd64"?')}"
  export PROJECT_BIN="${PROJECT_BIN:-$(echo $CHAIN_METADATA | jq -r '.daemon_name?')}"
  if [ -z "$PROJECT_DIR" ]; then
    FULL_DIR=$(echo $CHAIN_METADATA | jq -r '.node_home?')
    [ -n "$FULL_DIR" ] && export PROJECT_DIR=${FULL_DIR#'$HOME/'}
  fi
fi

export PROJECT_BIN="${PROJECT_BIN:-$PROJECT}"
export PROJECT_DIR="${PROJECT_DIR:-.$PROJECT_BIN}"
export CONFIG_DIR="${CONFIG_DIR:-config}"
export START_CMD="${START_CMD:-$PROJECT_BIN start}"
export PROJECT_ROOT="/root/$PROJECT_DIR"
export CONFIG_PATH="${CONFIG_PATH:-$PROJECT_ROOT/$CONFIG_DIR}"
export NAMESPACE="${NAMESPACE:-$(echo ${PROJECT_BIN^^})}"
export VALIDATE_GENESIS="${VALIDATE_GENESIS:-0}"
if [[ -z $DOWNLOAD_SNAPSHOT && ( -n $SNAPSHOT_URL || -n $SNAPSHOT_BASE_URL || -n $SNAPSHOT_JSON || -n $SNAPSHOT_QUICKSYNC ) && ! -f "$PROJECT_ROOT/data/priv_validator_state.json" ]]; then
  export DOWNLOAD_SNAPSHOT="1"
fi

if [[ -z $DOWNLOAD_GENESIS && -n $GENESIS_URL && ! -f "$CONFIG_PATH/genesis.json" ]]; then
  export DOWNLOAD_GENESIS="1"
fi

if [[ -z $INIT_CONFIG && ! -d "$CONFIG_PATH" ]]; then
  export INIT_CONFIG="1"
fi

[ -z "$CHAIN_ID" ] && echo "CHAIN_ID not found" && exit

if [[ -n "$BINARY_URL" && ! -f "/bin/$PROJECT_BIN" ]]; then
  echo "Download binary $PROJECT_BIN from $BINARY_URL"
  curl -sLo /bin/$PROJECT_BIN $BINARY_URL
  file /bin/$PROJECT_BIN | grep -q 'gzip compressed data' && mv /bin/$PROJECT_BIN /bin/$PROJECT_BIN.gz && tar -xvf /bin/$PROJECT_BIN.gz -C /bin
  file /bin/$PROJECT_BIN | grep -q 'tar archive' && mv /bin/$PROJECT_BIN.json /bin/$PROJECT_BIN.tar && tar -xf /bin/$PROJECT_BIN.tar && rm /bin/$PROJECT_BIN.tar -C /bin
  file /bin/$PROJECT_BIN | grep -q 'Zip archive data' && mv /bin/$PROJECT_BIN /bin/$PROJECT_BIN.zip && unzip /bin/$PROJECT_BIN.zip -d /bin
  [ -n "$BINARY_ZIP_PATH" ] && mv /bin/${BINARY_ZIP_PATH} /bin
  chmod +x /bin/$PROJECT_BIN
fi

export AWS_ACCESS_KEY_ID=$S3_KEY
export AWS_SECRET_ACCESS_KEY=$S3_SECRET
export S3_HOST="${S3_HOST:-https://s3.filebase.com}"

if [ -n "$KEY_PATH" ]; then
  s3_uri_base="s3://${KEY_PATH}"
  aws_args="--endpoint-url ${S3_HOST}"
  if [ -n "$KEY_PASSWORD" ]; then
    file_suffix=".gpg"
  else
    file_suffix=""
  fi
fi

restore_key () {
  existing=$(aws $aws_args s3 ls "${s3_uri_base}/$1" | head -n 1)
  if [[ -z $existing ]]; then
    echo "$1 backup not found"
  else
    echo "Restoring $1"
    aws $aws_args s3 cp "${s3_uri_base}/$1" $CONFIG_PATH/$1$file_suffix

    if [ -n "$KEY_PASSWORD" ]; then
      echo "Decrypting"
      gpg --decrypt --batch --passphrase "$KEY_PASSWORD" $CONFIG_PATH/$1$file_suffix > $CONFIG_PATH/$1
      rm $CONFIG_PATH/$1$file_suffix
    fi
  fi
}

backup_key () {
  existing=$(aws $aws_args s3 ls "${s3_uri_base}/$1" | head -n 1)
  if [[ -z $existing ]]; then
    echo "Backing up $1"
    if [ -n "$KEY_PASSWORD" ]; then
      echo "Encrypting backup..."
      gpg --symmetric --batch --passphrase "$KEY_PASSWORD" $CONFIG_PATH/$1
    fi
    aws $aws_args s3 cp $CONFIG_PATH/$1$file_suffix "${s3_uri_base}/$1"
    [ -n "$KEY_PASSWORD" ] && rm $CONFIG_PATH/$1.gpg
  fi
}

# Config
export "${NAMESPACE}_RPC_LADDR"="${RPC_LADDR:-tcp://0.0.0.0:26657}"
[ -n "$MONIKER" ] && export "${NAMESPACE}_MONIKER"="$MONIKER"
[ -n "$FASTSYNC_VERSION" ] && export "${NAMESPACE}_FASTSYNC_VERSION"=$FASTSYNC_VERSION
[ -n "$MINIMUM_GAS_PRICES" ] && export "${NAMESPACE}_MINIMUM_GAS_PRICES"=$MINIMUM_GAS_PRICES
[ -n "$PRUNING" ] && export "${NAMESPACE}_PRUNING"=$PRUNING

# Peers
[ -n "$P2P_SEEDS" ] && export "${NAMESPACE}_P2P_SEEDS=${P2P_SEEDS}"
[ -n "$P2P_PERSISTENT_PEERS" ] && export "${NAMESPACE}_P2P_PERSISTENT_PEERS"=${P2P_PERSISTENT_PEERS}

# Statesync
if [ -n "$STATESYNC_SNAPSHOT_INTERVAL" ]; then
  export "${NAMESPACE}_STATE_SYNC_SNAPSHOT_INTERVAL=$STATESYNC_SNAPSHOT_INTERVAL"
fi

if [ -n "$STATESYNC_RPC_SERVERS" ]; then
  export "${NAMESPACE}_STATESYNC_ENABLE=${STATESYNC_ENABLE:-true}"
  export "${NAMESPACE}_STATESYNC_RPC_SERVERS=$STATESYNC_RPC_SERVERS"
  IFS=',' read -ra rpc_servers <<< "$STATESYNC_RPC_SERVERS"
  STATESYNC_TRUSTED_NODE=${STATESYNC_TRUSTED_NODE:-${rpc_servers[0]}}
  if [ -n "$STATESYNC_TRUSTED_NODE" ]; then
    LATEST_HEIGHT=$(curl -s $STATESYNC_TRUSTED_NODE/block | jq -r .result.block.header.height)
    BLOCK_HEIGHT=$((LATEST_HEIGHT - 1000))
    TRUST_HASH=$(curl -s "$STATESYNC_TRUSTED_NODE/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash)
    export "${NAMESPACE}_STATESYNC_TRUST_HEIGHT=${STATESYNC_TRUST_HEIGHT:-$BLOCK_HEIGHT}"
    export "${NAMESPACE}_STATESYNC_TRUST_HASH=${STATESYNC_TRUST_HASH:-$TRUST_HASH}"
    export "${NAMESPACE}_STATESYNC_TRUST_PERIOD=${STATESYNC_TRUST_PERIOD:-168h0m0s}"
  fi
fi

[ "$DEBUG" == "1" ] && printenv

# Initialise
if [ "$INIT_CONFIG" == "1" ]; then
  if [ -n "$INIT_CMD" ]; then
    $INIT_CMD
  else
    $PROJECT_BIN init "$MONIKER" --chain-id ${CHAIN_ID}
  fi
fi

# Overwrite seeds in config.toml for chains that are not using the env variable correctly
if [ "$OVERWRITE_SEEDS" == "1" ]; then
    sed -i "s/seeds = \"\"/seeds = \"$P2P_SEEDS\"/" $CONFIG_PATH/config.toml
fi

# Restore keys
if [ -n "$KEY_PATH" ]; then
  restore_key "node_key.json"
  restore_key "priv_validator_key.json"
fi

# Backup keys
if [ -n "$KEY_PATH" ]; then
  backup_key "node_key.json"
  backup_key "priv_validator_key.json"
fi

# Addressbook
if [ -n "$ADDRBOOK_URL" ]; then
  echo "Downloading addrbook from $ADDRBOOK_URL..."
  curl -sfL $ADDRBOOK_URL > $CONFIG_PATH/addrbook.json
fi

# Download genesis
if [ "$DOWNLOAD_GENESIS" == "1" ]; then
  echo "Downloading genesis $GENESIS_URL"
  curl -sfL $GENESIS_URL > genesis.json
  file genesis.json | grep -q 'gzip compressed data' && mv genesis.json genesis.json.gz && gzip -d genesis.json.gz
  file genesis.json | grep -q 'tar archive' && mv genesis.json genesis.json.tar && tar -xf genesis.json.tar && rm genesis.json.tar
  file genesis.json | grep -q 'Zip archive data' && mv genesis.json genesis.json.zip && unzip -o genesis.json.zip

  mkdir -p $CONFIG_PATH
  mv genesis.json $CONFIG_PATH/genesis.json
fi

# Snapshot
if [ "$DOWNLOAD_SNAPSHOT" == "1" ]; then
  SNAPSHOT_FORMAT="${SNAPSHOT_FORMAT:-tar.gz}"

  if [ -z "${SNAPSHOT_URL}" ] && [ -n "${SNAPSHOT_BASE_URL}" ]; then
    SNAPSHOT_PATTERN="${SNAPSHOT_PATTERN:-$CHAIN_ID.*$SNAPSHOT_FORMAT}"
    SNAPSHOT_URL=$SNAPSHOT_BASE_URL/$(curl -s $SNAPSHOT_BASE_URL/ | egrep -o ">$SNAPSHOT_PATTERN" | tr -d ">");
  fi

  if [ -z "${SNAPSHOT_URL}" ] && [ -n "${SNAPSHOT_JSON}" ]; then
    SNAPSHOT_URL="$(curl -s $SNAPSHOT_JSON | jq -r .latest)"
  fi

  if [ -z "${SNAPSHOT_URL}" ] && [ -n "${SNAPSHOT_QUICKSYNC}" ]; then
    SNAPSHOT_PRUNING="${SNAPSHOT_PRUNING:-pruned}"
    SNAPSHOT_DATA_PATH="data"
    SNAPSHOT_FORMAT="lz4"
    SNAPSHOT_URL=`curl -s $SNAPSHOT_QUICKSYNC | jq -r --arg FILE "$CHAIN_ID-$SNAPSHOT_PRUNING"  'first(.[] | select(.file==$FILE)) | .url'`
  fi

  if [ -n "${SNAPSHOT_URL}" ]; then
    echo "Downloading snapshot from $SNAPSHOT_URL..."
    rm -rf $PROJECT_ROOT/data;
    mkdir -p $PROJECT_ROOT/data;
    cd $PROJECT_ROOT/data

    [[ $SNAPSHOT_FORMAT = "tar.gz" ]] && tar_args="xzf" || tar_args="xf"
    [[ $SNAPSHOT_FORMAT = "lz4" ]] && tar_cmd="lz4 -d | tar $tar_args -" || tar_cmd="tar $tar_args -"
    wget -nv -O - $SNAPSHOT_URL | eval $tar_cmd
    [ -n "${SNAPSHOT_DATA_PATH}" ] && mv ./${SNAPSHOT_DATA_PATH}/* ./ && rm -rf ./${SNAPSHOT_DATA_PATH}
  else
    echo "Snapshot URL not found"
  fi
fi

# Validate genesis
[ "$VALIDATE_GENESIS" == "1" ] && $PROJECT_BIN validate-genesis

if [ -n "$SNAPSHOT_PATH" ]; then
  exec snapshot.sh "$START_CMD"
else
  exec "$@"
fi