First push from Satoshi Portal's own cyphernode

proxy_docker/app/script/blockchainrpc.sh

@@ -0,0 +1,79 @@
+#!/bin/sh
+
+. ./trace.sh
+. ./sendtobitcoinnode.sh
+
+get_best_block_hash()
+{
+	trace "Entering get_best_block_hash()..."
+
+	local data='{"method":"getbestblockhash"}'
+	send_to_watcher_node "${data}"
+	return $?
+}
+
+getestimatesmartfee()
+{
+	trace "Entering getestimatesmartfee()..."
+
+	local nb_blocks=${1}
+	trace "[getestimatesmartfee] nb_blocks=${nb_blocks}"
+	send_to_watcher_node "{\"method\":\"estimatesmartfee\",\"params\":[${nb_blocks}]}" | jq ".result.feerate" | awk '{ printf "%.8f", $0 }'
+	return $?
+}
+
+get_block_info()
+{
+	trace "Entering get_block_info()..."
+
+	local block_hash=${1}
+	trace "[get_block_info] block_hash=${block_hash}"
+	local data="{\"method\":\"getblock\",\"params\":[\"${block_hash}\"]}"
+	trace "[get_block_info] data=${data}"
+	send_to_watcher_node "${data}"
+	return $?
+}
+
+get_best_block_info()
+{
+	trace "Entering get_best_block_info()..."
+
+	local block_hash=$(echo "$(get_best_block_hash)" | jq ".result" | tr -d '"')
+	trace "[get_best_block_info] block_hash=${block_hash}"
+	get_block_info ${block_hash}
+	return $?
+}
+
+get_rawtransaction()
+{
+	trace "Entering get_rawtransaction()..."
+
+	local txid=${1}
+	trace "[get_rawtransaction] txid=${txid}"
+
+	local rawtx
+	rawtx=$(sql "SELECT raw_tx FROM tx WHERE txid=\"${txid}\"")
+	if [ -z ${rawtx} ]; then
+		trace "[get_rawtransaction] rawtx not found in DB, let's fetch the Bitcoin node"
+		local data="{\"method\":\"getrawtransaction\",\"params\":[\"${txid}\",true]}"
+		trace "[get_rawtransaction] data=${data}"
+		send_to_watcher_node "${data}"
+		return $?
+	else
+		trace "[get_rawtransaction] rawtx found in DB, no need to fetch the Bitcoin node"
+		echo ${rawtx}
+		return 0
+	fi
+}
+
+get_transaction()
+{
+	trace "Entering get_transaction()..."
+
+	local txid=${1}
+	trace "[get_transaction] txid=${txid}"
+	local data="{\"method\":\"gettransaction\",\"params\":[\"${txid}\",true]}"
+	trace "[get_transaction] data=${data}"
+	send_to_watcher_node "${data}"
+	return $?
+}