aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/bitcoinrpc.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index 23d97db89b..1b2a5b5f7e 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -526,6 +526,70 @@ Value sendtoaddress(const Array& params, bool fHelp)
return wtx.GetHash().GetHex();
}
+Value signmessage(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() != 2)
+ throw runtime_error(
+ "signmessage <bitcoinaddress> <message>\n"
+ "Sign a message with the private key of an address");
+
+ string strAddress = params[0].get_str();
+ string strMessage = params[1].get_str();
+ strMessage.insert(0, "Padding text - ");
+
+ uint160 hash160;
+ if(!AddressToHash160(strAddress, hash160))
+ throw JSONRPCError(-3, "Invalid address");
+
+ vector<unsigned char>& vchPubKey = mapPubKeys[hash160];
+ CKey key;
+ if(!key.SetPubKey(vchPubKey))
+ throw JSONRPCError(-3, "Public key not found");
+ strMessage.insert(0, HexStr(vchPubKey.begin(), vchPubKey.end()).c_str());
+
+ vector<unsigned char> vchMsg(strMessage.begin(), strMessage.end());
+ vector<unsigned char> vchSig;
+ if (!CKey::Sign(mapKeys[vchPubKey], Hash(vchMsg.begin(), vchMsg.end()), vchSig))
+ throw JSONRPCError(-3, "Sign failed");
+
+ Object obj;
+ obj.push_back(Pair("address", strAddress));
+ obj.push_back(Pair("pubkey", HexStr(vchPubKey.begin(), vchPubKey.end()).c_str()));
+ obj.push_back(Pair("sign", HexStr(vchSig.begin(), vchSig.end()).c_str()));
+
+ return obj;
+}
+
+Value verifymessage(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() != 3)
+ throw runtime_error(
+ "verifymessage <pubkey> <sign> <message>\n"
+ "Verify a signed message with the public key");
+
+ string strPubKey = params[0].get_str();
+ string strSign = params[1].get_str();
+ string strMessage = params[2].get_str();
+ strMessage.insert(0, "Padding text - ");
+ strMessage.insert(0, strPubKey.c_str());
+
+ vector<unsigned char> vchPubKey = ParseHex(strPubKey);
+ vector<unsigned char> vchSig = ParseHex(strSign);
+ vector<unsigned char> vchMsg(strMessage.begin(), strMessage.end());
+
+ CKey key;
+ if(!key.SetPubKey(vchPubKey))
+ throw JSONRPCError(-3, "Invalid pubkey");
+
+ if (!key.Verify(Hash(vchMsg.begin(), vchMsg.end()), vchSig))
+ throw JSONRPCError(-3, "Verify failed");
+
+ Object obj;
+ obj.push_back(Pair("address", PubKeyToAddress(vchPubKey)));
+ obj.push_back(Pair("pubkey", strPubKey.c_str()));
+ return obj;
+}
+
Value getreceivedbyaddress(const Array& params, bool fHelp)
{
@@ -1636,6 +1700,8 @@ pair<string, rpcfn_type> pCallTable[] =
make_pair("sendmany", &sendmany),
make_pair("gettransaction", &gettransaction),
make_pair("listtransactions", &listtransactions),
+ make_pair("signmessage", &signmessage),
+ make_pair("verifymessage", &verifymessage),
make_pair("getwork", &getwork),
make_pair("listaccounts", &listaccounts),
make_pair("settxfee", &settxfee),