1 files changed, 15 insertions, 8 deletions
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index f7518fab5..2c502ead3 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2009-2014 The Bitcoin Core developers
+// Copyright (c) 2009-2015 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -35,14 +35,16 @@ static bool AppInitRawTx(int argc, char* argv[])
     ParseParameters(argc, argv);
 
     // Check for -testnet or -regtest parameter (Params() calls are only valid after this clause)
-    if (!SelectParamsFromCommandLine()) {
-        fprintf(stderr, "Error: Invalid combination of -regtest and -testnet.\n");
+    try {
+        SelectParams(ChainNameFromCommandLine());
+    } catch (const std::exception& e) {
+        fprintf(stderr, "Error: %s\n", e.what());
         return false;
     }
 
     fCreateBlank = GetBoolArg("-create", false);
 
-    if (argc<2 || mapArgs.count("-?") || mapArgs.count("-help"))
+    if (argc<2 || mapArgs.count("-?") || mapArgs.count("-h") || mapArgs.count("-help"))
     {
         // First part of help message is specific to this utility
         std::string strUsage = _("Bitcoin Core bitcoin-tx utility version") + " " + FormatFullVersion() + "\n\n" +
@@ -58,8 +60,7 @@ static bool AppInitRawTx(int argc, char* argv[])
         strUsage += HelpMessageOpt("-create", _("Create new, empty TX."));
         strUsage += HelpMessageOpt("-json", _("Select JSON output"));
         strUsage += HelpMessageOpt("-txid", _("Output only the hex-encoded transaction id of the resultant transaction."));
-        strUsage += HelpMessageOpt("-regtest", _("Enter regression test mode, which uses a special chain in which blocks can be solved instantly."));
-        strUsage += HelpMessageOpt("-testnet", _("Use the test network"));
+        AppendParamsHelpMessages(strUsage);
 
         fprintf(stdout, "%s", strUsage.c_str());
 
@@ -476,9 +477,15 @@ static void MutateTxSign(CMutableTransaction& tx, const string& flagStr)
 
 class Secp256k1Init
 {
+    ECCVerifyHandle globalVerifyHandle;
+
 public:
-    Secp256k1Init() { ECC_Start(); }
-    ~Secp256k1Init() { ECC_Stop(); }
+    Secp256k1Init() {
+        ECC_Start();
+    }
+    ~Secp256k1Init() {
+        ECC_Stop();
+    }
 };
 
 static void MutateTx(CMutableTransaction& tx, const string& command,