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-rw-r--r--src/wallet/rpcwallet.cpp54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 5404dd4aa0..8d88933878 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -2361,3 +2361,57 @@ UniValue listunspent(const UniValue& params, bool fHelp)
return results;
}
+
+UniValue fundrawtransaction(const UniValue& params, bool fHelp)
+{
+ if (!EnsureWalletIsAvailable(fHelp))
+ return NullUniValue;
+
+ if (fHelp || params.size() != 1)
+ throw runtime_error(
+ "fundrawtransaction \"hexstring\"\n"
+ "\nAdd inputs to a transaction until it has enough in value to meet its out value.\n"
+ "This will not modify existing inputs, and will add one change output to the outputs.\n"
+ "Note that inputs which were signed may need to be resigned after completion since in/outputs have been added.\n"
+ "The inputs added will not be signed, use signrawtransaction for that.\n"
+ "\nArguments:\n"
+ "1. \"hexstring\" (string, required) The hex string of the raw transaction\n"
+ "\nResult:\n"
+ "{\n"
+ " \"hex\": \"value\", (string) The resulting raw transaction (hex-encoded string)\n"
+ " \"fee\": n, (numeric) The fee added to the transaction\n"
+ " \"changepos\": n (numeric) The position of the added change output, or -1\n"
+ "}\n"
+ "\"hex\" \n"
+ "\nExamples:\n"
+ "\nCreate a transaction with no inputs\n"
+ + HelpExampleCli("createrawtransaction", "\"[]\" \"{\\\"myaddress\\\":0.01}\"") +
+ "\nAdd sufficient unsigned inputs to meet the output value\n"
+ + HelpExampleCli("fundrawtransaction", "\"rawtransactionhex\"") +
+ "\nSign the transaction\n"
+ + HelpExampleCli("signrawtransaction", "\"fundedtransactionhex\"") +
+ "\nSend the transaction\n"
+ + HelpExampleCli("sendrawtransaction", "\"signedtransactionhex\"")
+ );
+
+ RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR));
+
+ // parse hex string from parameter
+ CTransaction origTx;
+ if (!DecodeHexTx(origTx, params[0].get_str()))
+ throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
+
+ CMutableTransaction tx(origTx);
+ CAmount nFee;
+ string strFailReason;
+ int nChangePos = -1;
+ if(!pwalletMain->FundTransaction(tx, nFee, nChangePos, strFailReason))
+ throw JSONRPCError(RPC_INTERNAL_ERROR, strFailReason);
+
+ UniValue result(UniValue::VOBJ);
+ result.push_back(Pair("hex", EncodeHexTx(tx)));
+ result.push_back(Pair("changepos", nChangePos));
+ result.push_back(Pair("fee", ValueFromAmount(nFee)));
+
+ return result;
+}