1  // Copyright (c) 2023-present The Bitcoin Core developers
 2  // Distributed under the MIT software license, see the accompanying
 3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 4  
 5  #include <util/chaintype.h>
 6  
 7  #include <util/check.h>
 8  
 9  #include <optional>
10  #include <string>
11  
12  std::string ChainTypeToString(ChainType chain)
13  {
14      switch (chain) {
15      case ChainType::MAIN:
16          return "main";
17      case ChainType::TESTNET:
18          return "test";
19      case ChainType::TESTNET4:
20          return "testnet4";
21      case ChainType::SIGNET:
22          return "signet";
23      case ChainType::REGTEST:
24          return "regtest";
25      }
26      assert(false);
27  }
28  
29  std::optional<ChainType> ChainTypeFromString(std::string_view chain)
30  {
31      if (chain == "main") {
32          return ChainType::MAIN;
33      } else if (chain == "test") {
34          return ChainType::TESTNET;
35      } else if (chain == "testnet4") {
36          return ChainType::TESTNET4;
37      } else if (chain == "signet") {
38          return ChainType::SIGNET;
39      } else if (chain == "regtest") {
40          return ChainType::REGTEST;
41      } else {
42          return std::nullopt;
43      }
44  }