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Merge #11389: Support having SegWit always active in regtest (sipa, ajtowns, jnewbery)

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d61845818 Have SegWit active by default (Pieter Wuille)
4bd89210a Unit tests for always-active versionbits. (Anthony Towns)
d07ee77ab Always-active versionbits support (Pieter Wuille)
18e071841 [consensus] Pin P2SH activation to block 173805 on mainnet (John Newbery)
526023aa7 Improve handling of BIP9Deployment limits (Anthony Towns)

Pull request description:

  Most tests shouldn't have to deal with the now-historical SegWit activation transition (and other deployments, but SegWit is certainly the hardest one to accomodate).

  This PR makes a versionbits starttime of -1 equal to "always active", and enables it by default for SegWit on regtest. Individual tests can override this by using the existing `-vbparams` option.

  A few unit tests and functional tests are adapted to indeed override vbparams, as they specifically test the transition.

  This is in preparation for wallet SegWit support, but I thought having earlier eyes on it would be useful.

Tree-SHA512: 3f07a7b41cf46476e6c7a5c43244e68c9f41d223482cedaa4c02a3a7b7cd0e90cbd06b84a1f3704620559636a2268f5767d4c52d09c1b354945737046f618fe5
This commit is contained in:
MarcoFalke
2017-11-07 17:03:00 -05:00
parent 6f01dcf638 d618458184
commit dd561667cb
16 changed files with 96 additions and 40 deletions
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9
src/validation.cpp
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@@ -1611,11 +1611,12 @@ static ThresholdConditionCache warningcache[VERSIONBITS_NUM_BITS];
static unsigned int GetBlockScriptFlags(const CBlockIndex* pindex, const Consensus::Params& consensusparams) {
AssertLockHeld(cs_main);
// BIP16 didn't become active until Apr 1 2012
int64_t nBIP16SwitchTime = 1333238400;
bool fStrictPayToScriptHash = (pindex->GetBlockTime() >= nBIP16SwitchTime);
unsigned int flags = SCRIPT_VERIFY_NONE;
unsigned int flags = fStrictPayToScriptHash ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE;
// Start enforcing P2SH (BIP16)
if (pindex->nHeight >= consensusparams.BIP16Height) {
flags |= SCRIPT_VERIFY_P2SH;
}
// Start enforcing the DERSIG (BIP66) rule
if (pindex->nHeight >= consensusparams.BIP66Height) {