123function do_rpc {4 curl -s --header "Content-Type: application/json" -XPOST --data "{\"id\":1,\"jsonrpc\":\"2.0\",\"method\":\"$1\",\"params\":[$2]}" $RPC_URL5}67function is_started {8 block_hash_rpc=$(do_rpc chain_getFinalizedHead)9 echo Rpc response = $block_hash_rpc10 block_hash=$(echo $block_hash_rpc | jq -r .result)11 echo Head = $block_hash12 block_id_hex=$(do_rpc chain_getHeader "\"$block_hash\"" | jq -r .result.number)13 block_id=$((${block_id_hex}))14 echo Id = $block_id15 if (( $block_id > 1 )); then16 return 017 fi18 return 119}2021while ! is_started; do22 echo "Waiting for first block..."23 sleep 1224done25echo "Chain is running!"