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Merge bitcoin/bitcoin#29039: versionbits refactoring

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e3014017ba test: add IsActiveAfter tests for versionbits (Anthony Towns)
60950f77c3 versionbits: docstrings for BIP9Info (Anthony Towns)
7565563bc7 tests: refactor versionbits fuzz test (Anthony Towns)
2e4e9b9608 tests: refactor versionbits unit test (Anthony Towns)
525c00f91b versionbits: Expose VersionBitsConditionChecker via impl header (Anthony Towns)
e74a7049b4 versionbits: Expose StateName function (Anthony Towns)
d00d1ed52c versionbits: Split out internal details into impl header (Anthony Towns)
37b9b67a39 versionbits: Simplify VersionBitsCache API (Anthony Towns)
1198e7d2fd versionbits: Move BIP9 status logic for getblocktemplate to versionbits (Anthony Towns)
b1e967c3ec versionbits: Move getdeploymentinfo logic to versionbits (Anthony Towns)
3bd32c2055 versionbits: Move WarningBits logic from validation to versionbits (Anthony Towns)
5da119e5d0 versionbits: Change BIP9Stats to uint32_t types (Anthony Towns)
a679040ec1 consensus/params: Move version bits period/threshold to bip9 param (Anthony Towns)
e9d617095d versionbits: Remove params from AbstractThresholdConditionChecker (Anthony Towns)
9bc41f1b48 versionbits: Use std::array instead of C-style arrays (Anthony Towns)

Pull request description:

  Increases the encapsulation/modularity of the versionbits code, moving more of the logic into the versionbits module rather than having it scattered across validation and rpc code. Updates unit/fuzz tests to test the actual code used rather than just a close approximation of it.

ACKs for top commit:
  achow101:
    ACK e3014017ba
  TheCharlatan:
    Re-ACK e3014017ba
  darosior:
    ACK e3014017ba

Tree-SHA512: 2978db5038354b56fa1dd6aafd511099e9c16504d6a88daeac2ff2702c87bcf3e55a32e2f0a7697e3de76963b68b9d5ede7976ee007e45862fa306911194496d
This commit is contained in:
Ava Chow
2025-04-29 14:06:45 -07:00
parent 51d76634fb e3014017ba
commit 7db096121d
15 changed files with 554 additions and 425 deletions
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31
src/kernel/chainparams.cpp
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@@ -104,18 +104,20 @@ public:
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.enforce_BIP94 = false;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
// Deployment of Taproot (BIPs 340-342)
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 709632; // Approximately November 12th, 2021
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 1815; // 90%
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 2016;
consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000b1f3b93b65b16d035a82be84"};
consensus.defaultAssumeValid = uint256{"00000000000000000001b658dd1120e82e66d2790811f89ede9742ada3ed6d77"}; // 886157
@@ -216,18 +218,20 @@ public:
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.enforce_BIP94 = false;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
// Deployment of Taproot (BIPs 340-342)
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 1512; // 75%
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 2016;
consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000015f5e0c9f13455b0eb17"};
consensus.defaultAssumeValid = uint256{"00000000000003fc7967410ba2d0a8a8d50daedc318d43e8baf1a9782c236a57"}; // 3974606
@@ -309,18 +313,21 @@ public:
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.enforce_BIP94 = true;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
// Deployment of Taproot (BIPs 340-342)
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 1512; // 75%
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 2016;
consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000001d6dce8651b6094e4c1"};
consensus.defaultAssumeValid = uint256{"0000000000003ed4f08dbdf6f7d6b271a6bcffce25675cb40aa9fa43179a89f3"}; // 72600
@@ -439,20 +446,22 @@ public:
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.enforce_BIP94 = false;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
consensus.MinBIP9WarningHeight = 0;
consensus.powLimit = uint256{"00000377ae000000000000000000000000000000000000000000000000000000"};
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
// Activation of Taproot (BIPs 340-342)
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 1815; // 90%
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 2016;
// message start is defined as the first 4 bytes of the sha256d of the block script
HashWriter h{};
@@ -516,18 +525,20 @@ public:
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.enforce_BIP94 = opts.enforce_bip94;
consensus.fPowNoRetargeting = true;
consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains
consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016)
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 108; // 75%
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 144; // Faster than normal for regtest (144 instead of 2016)
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 108; // 75%
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 144;
consensus.nMinimumChainWork = uint256{};
consensus.defaultAssumeValid = uint256{};