Helper script for ./bitcoind -blocknotify

diff --git a/scripts/blocknotify.sh b/scripts/blocknotify.sh
new file mode 100755 (executable)
index 0000000..0311f1a
--- /dev/null
+++ b/scripts/blocknotify.sh
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+# Send notification to Stratum mining instance on localhost that there's new bitcoin block
+# You can use this script directly as an variable for -blocknotify argument:
+#      ./bitcoind -blocknotify="blocknotify.sh --password admin_password"
+
+import socket
+import json
+import sys
+import argparse
+import time
+
+start = time.time()
+
+parser = argparse.ArgumentParser(description='Send notification to Stratum instance about new bitcoin block.')
+parser.add_argument('--password', dest='password', type=str, help='use admin password from Stratum server config')
+parser.add_argument('--host', dest='host', type=str, default='localhost', help='hostname of Stratum mining instance')
+parser.add_argument('--port', dest='port', type=int, default=3333, help='port of Stratum mining instance')
+
+args = parser.parse_args()
+
+if args.password == None:
+       parser.print_help()
+       sys.exit()
+       
+message = {'id': 1, 'method': 'mining.update_block', 'params': [args.password]}
+
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+s.connect((args.host, args.port))
+s.sendall(json.dumps(message)+"\n")
+data = s.recv(16000)
+s.close()
+
+for line in data.split("\n"):
+    if not line.strip():
+        continue
+
+    message = json.loads(line)
+    if message['id'] == 1:
+        if message['result'] == True:
+               print "blocknotify done in %.03f sec" % (time.time() - start)
+        else:
+            print "Error during request:", message['error'][1]
+    else:
+        print "Unexpected message from the server:", message
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