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chainparams: encapsulate deployment configuration logic

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This encapsulates the soft fork configuration logic as set by the `-testactivationheight` (for
buried deployments) and `-vbparams` (for version bits deployments) options which for the moment
are regtest-only, in order to make them available on other networks as well in the next commit.

Can be reviewed using git's `--color-moved` option with `--color-moved-ws=allow-indentation-change`.
This commit is contained in:
Antoine Poinsot
2025-09-29 13:49:16 -04:00
committed by Antoine Poinsot
parent b796bf44f3
commit df7ed5f355
3 changed files with 73 additions and 57 deletions
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55
src/kernel/chainparams.cpp
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@@ -72,6 +72,35 @@ static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits
return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
}
void CChainParams::ApplyDeploymentOptions(const DeploymentOptions& opts)
{
for (const auto& [dep, height] : opts.activation_heights) {
switch (dep) {
case Consensus::BuriedDeployment::DEPLOYMENT_SEGWIT:
consensus.SegwitHeight = int{height};
break;
case Consensus::BuriedDeployment::DEPLOYMENT_HEIGHTINCB:
consensus.BIP34Height = int{height};
break;
case Consensus::BuriedDeployment::DEPLOYMENT_DERSIG:
consensus.BIP66Height = int{height};
break;
case Consensus::BuriedDeployment::DEPLOYMENT_CLTV:
consensus.BIP65Height = int{height};
break;
case Consensus::BuriedDeployment::DEPLOYMENT_CSV:
consensus.CSVHeight = int{height};
break;
}
}
for (const auto& [deployment_pos, version_bits_params] : opts.version_bits_parameters) {
consensus.vDeployments[deployment_pos].nStartTime = version_bits_params.start_time;
consensus.vDeployments[deployment_pos].nTimeout = version_bits_params.timeout;
consensus.vDeployments[deployment_pos].min_activation_height = version_bits_params.min_activation_height;
}
}
/**
* Main network on which people trade goods and services.
*/
@@ -566,31 +595,7 @@ public:
m_assumed_blockchain_size = 0;
m_assumed_chain_state_size = 0;
for (const auto& [dep, height] : opts.activation_heights) {
switch (dep) {
case Consensus::BuriedDeployment::DEPLOYMENT_SEGWIT:
consensus.SegwitHeight = int{height};
break;
case Consensus::BuriedDeployment::DEPLOYMENT_HEIGHTINCB:
consensus.BIP34Height = int{height};
break;
case Consensus::BuriedDeployment::DEPLOYMENT_DERSIG:
consensus.BIP66Height = int{height};
break;
case Consensus::BuriedDeployment::DEPLOYMENT_CLTV:
consensus.BIP65Height = int{height};
break;
case Consensus::BuriedDeployment::DEPLOYMENT_CSV:
consensus.CSVHeight = int{height};
break;
}
}
for (const auto& [deployment_pos, version_bits_params] : opts.version_bits_parameters) {
consensus.vDeployments[deployment_pos].nStartTime = version_bits_params.start_time;
consensus.vDeployments[deployment_pos].nTimeout = version_bits_params.timeout;
consensus.vDeployments[deployment_pos].min_activation_height = version_bits_params.min_activation_height;
}
ApplyDeploymentOptions(opts.dep_opts);
genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
consensus.hashGenesisBlock = genesis.GetHash();