1 files changed, 102 insertions, 0 deletions
diff --git a/src/chainparamsbase.cpp b/src/chainparamsbase.cpp
new file mode 100644
index 000000000..89dd8549b
--- /dev/null
+++ b/src/chainparamsbase.cpp
@@ -0,0 +1,102 @@
+// Copyright (c) 2010 Satoshi Nakamoto
+// Copyright (c) 2009-2017 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <chainparamsbase.h>
+
+#include <tinyformat.h>
+#include <util.h>
+
+#include <assert.h>
+
+const std::string CBaseChainParams::MAIN = "main";
+const std::string CBaseChainParams::TESTNET = "test";
+const std::string CBaseChainParams::REGTEST = "regtest";
+
+void AppendParamsHelpMessages(std::string& strUsage, bool debugHelp)
+{
+    strUsage += HelpMessageGroup(_("Chain selection options:"));
+    if (debugHelp) {
+        strUsage += HelpMessageOpt("-regtest", "Enter regression test mode, which uses a special chain in which blocks can be solved instantly. "
+                                   "This is intended for regression testing tools and app development.");
+    }
+    strUsage += HelpMessageOpt("-testnet", _("Use the test chain"));
+}
+
+/**
+ * Main network
+ */
+class CBaseMainParams : public CBaseChainParams
+{
+public:
+    CBaseMainParams()
+    {
+        nRPCPort = 8332;
+    }
+};
+
+/**
+ * Testnet (v3)
+ */
+class CBaseTestNetParams : public CBaseChainParams
+{
+public:
+    CBaseTestNetParams()
+    {
+        nRPCPort = 18332;
+        strDataDir = "testnet3";
+    }
+};
+
+/*
+ * Regression test
+ */
+class CBaseRegTestParams : public CBaseChainParams
+{
+public:
+    CBaseRegTestParams()
+    {
+        nRPCPort = 18443;
+        strDataDir = "regtest";
+    }
+};
+
+static std::unique_ptr<CBaseChainParams> globalChainBaseParams;
+
+const CBaseChainParams& BaseParams()
+{
+    assert(globalChainBaseParams);
+    return *globalChainBaseParams;
+}
+
+std::unique_ptr<CBaseChainParams> CreateBaseChainParams(const std::string& chain)
+{
+    if (chain == CBaseChainParams::MAIN)
+        return std::unique_ptr<CBaseChainParams>(new CBaseMainParams());
+    else if (chain == CBaseChainParams::TESTNET)
+        return std::unique_ptr<CBaseChainParams>(new CBaseTestNetParams());
+    else if (chain == CBaseChainParams::REGTEST)
+        return std::unique_ptr<CBaseChainParams>(new CBaseRegTestParams());
+    else
+        throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
+}
+
+void SelectBaseParams(const std::string& chain)
+{
+    globalChainBaseParams = CreateBaseChainParams(chain);
+}
+
+std::string ChainNameFromCommandLine()
+{
+    bool fRegTest = gArgs.GetBoolArg("-regtest", false);
+    bool fTestNet = gArgs.GetBoolArg("-testnet", false);
+
+    if (fTestNet && fRegTest)
+        throw std::runtime_error("Invalid combination of -regtest and -testnet.");
+    if (fRegTest)
+        return CBaseChainParams::REGTEST;
+    if (fTestNet)
+        return CBaseChainParams::TESTNET;
+    return CBaseChainParams::MAIN;
+}