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versionbits: Add support for delayed activation

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Anthony Towns
2021-03-06 18:18:49 +10:00
parent 9e6b65f6fa
commit 73d4a70639
8 changed files with 41 additions and 10 deletions
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src/versionbits.h
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@@ -25,7 +25,7 @@ static const int32_t VERSIONBITS_NUM_BITS = 29;
enum class ThresholdState {
DEFINED, // First state that each softfork starts out as. The genesis block is by definition in this state for each deployment.
STARTED, // For blocks past the starttime.
LOCKED_IN, // For one retarget period after the first retarget period with STARTED blocks of which at least threshold have the associated bit set in nVersion.
LOCKED_IN, // For at least one retarget period after the first retarget period with STARTED blocks of which at least threshold have the associated bit set in nVersion, until min_activation_height is reached.
ACTIVE, // For all blocks after the LOCKED_IN retarget period (final state)
FAILED, // For all blocks once the first retarget period after the timeout time is hit, if LOCKED_IN wasn't already reached (final state)
};
@@ -57,6 +57,7 @@ protected:
virtual bool Condition(const CBlockIndex* pindex, const Consensus::Params& params) const =0;
virtual int64_t BeginTime(const Consensus::Params& params) const =0;
virtual int64_t EndTime(const Consensus::Params& params) const =0;
virtual int MinActivationHeight(const Consensus::Params& params) const { return 0; }
virtual int Period(const Consensus::Params& params) const =0;
virtual int Threshold(const Consensus::Params& params) const =0;