Branch data Line data Source code
1 : : // Copyright (c) 2010 Satoshi Nakamoto
2 : : // Copyright (c) 2009-2022 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 <chainparams.h>
7 : :
8 : : #include <chainparamsbase.h>
9 : : #include <common/args.h>
10 : : #include <consensus/params.h>
11 : : #include <deploymentinfo.h>
12 : : #include <logging.h>
13 : : #include <tinyformat.h>
14 : : #include <util/chaintype.h>
15 : : #include <util/strencodings.h>
16 : : #include <util/string.h>
17 : :
18 : : #include <cassert>
19 : : #include <cstdint>
20 : : #include <limits>
21 : : #include <stdexcept>
22 : : #include <vector>
23 : :
24 : : using util::SplitString;
25 : :
26 : 0 : void ReadSigNetArgs(const ArgsManager& args, CChainParams::SigNetOptions& options)
27 : : {
28 [ # # # # ]: 0 : if (args.IsArgSet("-signetseednode")) {
29 [ # # ]: 0 : options.seeds.emplace(args.GetArgs("-signetseednode"));
30 : : }
31 [ # # # # ]: 0 : if (args.IsArgSet("-signetchallenge")) {
32 [ # # ]: 0 : const auto signet_challenge = args.GetArgs("-signetchallenge");
33 [ # # ]: 0 : if (signet_challenge.size() != 1) {
34 [ # # ]: 0 : throw std::runtime_error("-signetchallenge cannot be multiple values.");
35 : : }
36 [ # # ]: 0 : const auto val{TryParseHex<uint8_t>(signet_challenge[0])};
37 [ # # ]: 0 : if (!val) {
38 [ # # # # ]: 0 : throw std::runtime_error(strprintf("-signetchallenge must be hex, not '%s'.", signet_challenge[0]));
39 : : }
40 [ # # ]: 0 : options.challenge.emplace(*val);
41 : 0 : }
42 : 0 : }
43 : :
44 : 0 : void ReadRegTestArgs(const ArgsManager& args, CChainParams::RegTestOptions& options)
45 : : {
46 [ # # # # ]: 0 : if (auto value = args.GetBoolArg("-fastprune")) options.fastprune = *value;
47 [ # # # # ]: 0 : if (HasTestOption(args, "bip94")) options.enforce_bip94 = true;
48 : :
49 [ # # # # ]: 0 : for (const std::string& arg : args.GetArgs("-testactivationheight")) {
50 : 0 : const auto found{arg.find('@')};
51 [ # # ]: 0 : if (found == std::string::npos) {
52 [ # # # # ]: 0 : throw std::runtime_error(strprintf("Invalid format (%s) for -testactivationheight=name@height.", arg));
53 : : }
54 : :
55 [ # # ]: 0 : const auto value{arg.substr(found + 1)};
56 : 0 : int32_t height;
57 [ # # # # : 0 : if (!ParseInt32(value, &height) || height < 0 || height >= std::numeric_limits<int>::max()) {
# # # # ]
58 [ # # # # ]: 0 : throw std::runtime_error(strprintf("Invalid height value (%s) for -testactivationheight=name@height.", arg));
59 : : }
60 : :
61 [ # # ]: 0 : const auto deployment_name{arg.substr(0, found)};
62 [ # # # # ]: 0 : if (const auto buried_deployment = GetBuriedDeployment(deployment_name)) {
63 [ # # ]: 0 : options.activation_heights[*buried_deployment] = height;
64 : : } else {
65 [ # # # # ]: 0 : throw std::runtime_error(strprintf("Invalid name (%s) for -testactivationheight=name@height.", arg));
66 : : }
67 : 0 : }
68 : :
69 [ # # # # ]: 0 : if (!args.IsArgSet("-vbparams")) return;
70 : :
71 [ # # # # ]: 0 : for (const std::string& strDeployment : args.GetArgs("-vbparams")) {
72 [ # # ]: 0 : std::vector<std::string> vDeploymentParams = SplitString(strDeployment, ':');
73 [ # # # # ]: 0 : if (vDeploymentParams.size() < 3 || 4 < vDeploymentParams.size()) {
74 [ # # ]: 0 : throw std::runtime_error("Version bits parameters malformed, expecting deployment:start:end[:min_activation_height]");
75 : : }
76 : 0 : CChainParams::VersionBitsParameters vbparams{};
77 [ # # # # ]: 0 : if (!ParseInt64(vDeploymentParams[1], &vbparams.start_time)) {
78 [ # # # # ]: 0 : throw std::runtime_error(strprintf("Invalid nStartTime (%s)", vDeploymentParams[1]));
79 : : }
80 [ # # # # ]: 0 : if (!ParseInt64(vDeploymentParams[2], &vbparams.timeout)) {
81 [ # # # # ]: 0 : throw std::runtime_error(strprintf("Invalid nTimeout (%s)", vDeploymentParams[2]));
82 : : }
83 [ # # ]: 0 : if (vDeploymentParams.size() >= 4) {
84 [ # # # # ]: 0 : if (!ParseInt32(vDeploymentParams[3], &vbparams.min_activation_height)) {
85 [ # # # # ]: 0 : throw std::runtime_error(strprintf("Invalid min_activation_height (%s)", vDeploymentParams[3]));
86 : : }
87 : : } else {
88 : 0 : vbparams.min_activation_height = 0;
89 : : }
90 : 0 : bool found = false;
91 [ # # ]: 0 : for (int j=0; j < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j) {
92 [ # # ]: 0 : if (vDeploymentParams[0] == VersionBitsDeploymentInfo[j].name) {
93 [ # # ]: 0 : options.version_bits_parameters[Consensus::DeploymentPos(j)] = vbparams;
94 : 0 : found = true;
95 [ # # ]: 0 : LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld, min_activation_height=%d\n", vDeploymentParams[0], vbparams.start_time, vbparams.timeout, vbparams.min_activation_height);
96 : : break;
97 : : }
98 : : }
99 : 0 : if (!found) {
100 [ # # # # ]: 0 : throw std::runtime_error(strprintf("Invalid deployment (%s)", vDeploymentParams[0]));
101 : : }
102 : 0 : }
103 : : }
104 : :
105 : : static std::unique_ptr<const CChainParams> globalChainParams;
106 : :
107 : 0 : const CChainParams &Params() {
108 [ # # ]: 0 : assert(globalChainParams);
109 : 0 : return *globalChainParams;
110 : : }
111 : :
112 : 0 : std::unique_ptr<const CChainParams> CreateChainParams(const ArgsManager& args, const ChainType chain)
113 : : {
114 [ # # # # : 0 : switch (chain) {
# # ]
115 : 0 : case ChainType::MAIN:
116 : 0 : return CChainParams::Main();
117 : 0 : case ChainType::TESTNET:
118 : 0 : return CChainParams::TestNet();
119 : 0 : case ChainType::TESTNET4:
120 : 0 : return CChainParams::TestNet4();
121 : 0 : case ChainType::SIGNET: {
122 : 0 : auto opts = CChainParams::SigNetOptions{};
123 [ # # ]: 0 : ReadSigNetArgs(args, opts);
124 [ # # ]: 0 : return CChainParams::SigNet(opts);
125 : 0 : }
126 : 0 : case ChainType::REGTEST: {
127 [ # # ]: 0 : auto opts = CChainParams::RegTestOptions{};
128 [ # # ]: 0 : ReadRegTestArgs(args, opts);
129 [ # # ]: 0 : return CChainParams::RegTest(opts);
130 : 0 : }
131 : : }
132 : 0 : assert(false);
133 : : }
134 : :
135 : 0 : void SelectParams(const ChainType chain)
136 : : {
137 : 0 : SelectBaseParams(chain);
138 : 0 : globalChainParams = CreateChainParams(gArgs, chain);
139 : 0 : }
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