1  // Copyright (c) 2010 Satoshi Nakamoto
 2  // Copyright (c) 2009-2021 The Bitcoin Core developers
 3  // Distributed under the MIT software license, see the accompanying
 4  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 5  
 6  #include <chainparamsbase.h>
 7  
 8  #include <common/args.h>
 9  #include <tinyformat.h>
10  #include <util/chaintype.h>
11  
12  #include <assert.h>
13  
14  void SetupChainParamsBaseOptions(ArgsManager& argsman)
15  {
16      argsman.AddArg("-chain=<chain>", "Use the chain <chain> (default: main). Allowed values: main, test, signet, regtest", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
17      argsman.AddArg("-regtest", "Enter regression test mode, which uses a special chain in which blocks can be solved instantly. "
18                   "This is intended for regression testing tools and app development. Equivalent to -chain=regtest.", ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::CHAINPARAMS);
19      argsman.AddArg("-testactivationheight=name@height.", "Set the activation height of 'name' (segwit, bip34, dersig, cltv, csv). (regtest-only)", ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST);
20      argsman.AddArg("-testnet", "Use the test chain. Equivalent to -chain=test.", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
21      argsman.AddArg("-vbparams=deployment:start:end[:min_activation_height]", "Use given start/end times and min_activation_height for specified version bits deployment (regtest-only)", ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::CHAINPARAMS);
22      argsman.AddArg("-signet", "Use the signet chain. Equivalent to -chain=signet. Note that the network is defined by the -signetchallenge parameter", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
23      argsman.AddArg("-signetchallenge", "Blocks must satisfy the given script to be considered valid (only for signet networks; defaults to the global default signet test network challenge)", ArgsManager::ALLOW_ANY | ArgsManager::DISALLOW_NEGATION, OptionsCategory::CHAINPARAMS);
24      argsman.AddArg("-signetseednode", "Specify a seed node for the signet network, in the hostname[:port] format, e.g. sig.net:1234 (may be used multiple times to specify multiple seed nodes; defaults to the global default signet test network seed node(s))", ArgsManager::ALLOW_ANY | ArgsManager::DISALLOW_NEGATION, OptionsCategory::CHAINPARAMS);
25  }
26  
27  static std::unique_ptr<CBaseChainParams> globalChainBaseParams;
28  
29  const CBaseChainParams& BaseParams()
30  {
31      assert(globalChainBaseParams);
32      return *globalChainBaseParams;
33  }
34  
35  /**
36   * Port numbers for incoming Tor connections (8334, 18334, 38334, 18445) have
37   * been chosen arbitrarily to keep ranges of used ports tight.
38   */
39  std::unique_ptr<CBaseChainParams> CreateBaseChainParams(const ChainType chain)
40  {
41      switch (chain) {
42      case ChainType::MAIN:
43          return std::make_unique<CBaseChainParams>("", 8332, 8334);
44      case ChainType::TESTNET:
45          return std::make_unique<CBaseChainParams>("testnet3", 18332, 18334);
46      case ChainType::SIGNET:
47          return std::make_unique<CBaseChainParams>("signet", 38332, 38334);
48      case ChainType::REGTEST:
49          return std::make_unique<CBaseChainParams>("regtest", 18443, 18445);
50      }
51      assert(false);
52  }
53  
54  void SelectBaseParams(const ChainType chain)
55  {
56      globalChainBaseParams = CreateBaseChainParams(chain);
57      gArgs.SelectConfigNetwork(ChainTypeToString(chain));
58  }