diff options
| -rwxr-xr-x | qa/pull-tester/rpc-tests.py | 1 | ||||
| -rwxr-xr-x | qa/rpc-tests/signmessages.py | 40 | ||||
| -rw-r--r-- | src/rpc/misc.cpp | 43 |
3 files changed, 84 insertions, 0 deletions
diff --git a/qa/pull-tester/rpc-tests.py b/qa/pull-tester/rpc-tests.py index c0637209e3..26142c35e9 100755 --- a/qa/pull-tester/rpc-tests.py +++ b/qa/pull-tester/rpc-tests.py @@ -123,6 +123,7 @@ testScripts = [ 'abandonconflict.py', 'p2p-versionbits-warning.py', 'importprunedfunds.py', + 'signmessages.py' ] if ENABLE_ZMQ: testScripts.append('zmq_test.py') diff --git a/qa/rpc-tests/signmessages.py b/qa/rpc-tests/signmessages.py new file mode 100755 index 0000000000..ff22f35300 --- /dev/null +++ b/qa/rpc-tests/signmessages.py @@ -0,0 +1,40 @@ +#!/usr/bin/env python2 +# Copyright (c) 2016 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. + +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import * + + +class SignMessagesTest(BitcoinTestFramework): + """Tests RPC commands for signing and verifying messages.""" + + def setup_chain(self): + print('Initializing test directory ' + self.options.tmpdir) + initialize_chain_clean(self.options.tmpdir, 1) + + def setup_network(self, split=False): + self.nodes = start_nodes(1, self.options.tmpdir) + self.is_network_split = False + + def run_test(self): + message = 'This is just a test message' + + # Test the signing with a privkey + privKey = 'cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N' + address = 'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB' + signature = self.nodes[0].signmessagewithprivkey(privKey, message) + + # Verify the message + assert(self.nodes[0].verifymessage(address, signature, message)) + + # Test the signing with an address with wallet + address = self.nodes[0].getnewaddress() + signature = self.nodes[0].signmessage(address, message) + + # Verify the message + assert(self.nodes[0].verifymessage(address, signature, message)) + +if __name__ == '__main__': + SignMessagesTest().main() diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp index e8a099b445..09f5185781 100644 --- a/src/rpc/misc.cpp +++ b/src/rpc/misc.cpp @@ -366,6 +366,48 @@ UniValue verifymessage(const UniValue& params, bool fHelp) return (pubkey.GetID() == keyID); } +UniValue signmessagewithprivkey(const UniValue& params, bool fHelp) +{ + if (fHelp || params.size() != 2) + throw runtime_error( + "signmessagewithprivkey \"privkey\" \"message\"\n" + "\nSign a message with the private key of an address\n" + "\nArguments:\n" + "1. \"privkey\" (string, required) The private key to sign the message with.\n" + "2. \"message\" (string, required) The message to create a signature of.\n" + "\nResult:\n" + "\"signature\" (string) The signature of the message encoded in base 64\n" + "\nExamples:\n" + "\nCreate the signature\n" + + HelpExampleCli("signmessagewithprivkey", "\"privkey\" \"my message\"") + + "\nVerify the signature\n" + + HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"signature\" \"my message\"") + + "\nAs json rpc\n" + + HelpExampleRpc("signmessagewithprivkey", "\"privkey\", \"my message\"") + ); + + string strPrivkey = params[0].get_str(); + string strMessage = params[1].get_str(); + + CBitcoinSecret vchSecret; + bool fGood = vchSecret.SetString(strPrivkey); + if (!fGood) + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key"); + CKey key = vchSecret.GetKey(); + if (!key.IsValid()) + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range"); + + CHashWriter ss(SER_GETHASH, 0); + ss << strMessageMagic; + ss << strMessage; + + vector<unsigned char> vchSig; + if (!key.SignCompact(ss.GetHash(), vchSig)) + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed"); + + return EncodeBase64(&vchSig[0], vchSig.size()); +} + UniValue setmocktime(const UniValue& params, bool fHelp) { if (fHelp || params.size() != 1) @@ -404,6 +446,7 @@ static const CRPCCommand commands[] = { "util", "validateaddress", &validateaddress, true }, /* uses wallet if enabled */ { "util", "createmultisig", &createmultisig, true }, { "util", "verifymessage", &verifymessage, true }, + { "util", "signmessagewithprivkey", &signmessagewithprivkey, true }, /* Not shown in help */ { "hidden", "setmocktime", &setmocktime, true }, |