diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/chainparams.cpp | 17 | ||||
-rw-r--r-- | src/consensus/params.h | 1 | ||||
-rw-r--r-- | src/main.cpp | 22 | ||||
-rw-r--r-- | src/policy/policy.cpp | 2 | ||||
-rw-r--r-- | src/primitives/transaction.h | 7 | ||||
-rw-r--r-- | src/rpc/blockchain.cpp | 1 |
6 files changed, 43 insertions, 7 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp index 508c4de167..965d131695 100644 --- a/src/chainparams.cpp +++ b/src/chainparams.cpp @@ -86,7 +86,13 @@ public: consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28; consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008 consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008 - /** + + // Deployment of BIP68, BIP112, and BIP113. + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0; + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1462060800; // May 1st, 2016 + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017 + + /** * The message start string is designed to be unlikely to occur in normal data. * The characters are rarely used upper ASCII, not valid as UTF-8, and produce * a large 32-bit integer with any alignment. @@ -171,6 +177,12 @@ public: consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28; consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008 consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008 + + // Deployment of BIP68, BIP112, and BIP113. + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0; + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1456790400; // March 1st, 2016 + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017 + pchMessageStart[0] = 0x0b; pchMessageStart[1] = 0x11; pchMessageStart[2] = 0x09; @@ -238,6 +250,9 @@ public: consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28; consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0; consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 999999999999ULL; + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0; + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 0; + consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 999999999999ULL; pchMessageStart[0] = 0xfa; pchMessageStart[1] = 0xbf; diff --git a/src/consensus/params.h b/src/consensus/params.h index 7c3a8e84c3..4f3480b89b 100644 --- a/src/consensus/params.h +++ b/src/consensus/params.h @@ -15,6 +15,7 @@ namespace Consensus { enum DeploymentPos { DEPLOYMENT_TESTDUMMY, + DEPLOYMENT_CSV, // Deployment of BIP68, BIP112, and BIP113. MAX_VERSION_BITS_DEPLOYMENTS }; diff --git a/src/main.cpp b/src/main.cpp index 36189f4ffc..dfd92fa8f0 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2286,6 +2286,13 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin flags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY; } + // Start enforcing BIP68 (sequence locks) and BIP112 (CHECKSEQUENCEVERIFY) using versionbits logic. + int nLockTimeFlags = 0; + if (VersionBitsState(pindex->pprev, chainparams.GetConsensus(), Consensus::DEPLOYMENT_CSV, versionbitscache) == THRESHOLD_ACTIVE) { + flags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY; + nLockTimeFlags |= LOCKTIME_VERIFY_SEQUENCE; + } + int64_t nTime2 = GetTimeMicros(); nTimeForks += nTime2 - nTime1; LogPrint("bench", " - Fork checks: %.2fms [%.2fs]\n", 0.001 * (nTime2 - nTime1), nTimeForks * 0.000001); @@ -2294,7 +2301,6 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin CCheckQueueControl<CScriptCheck> control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL); std::vector<int> prevheights; - int nLockTimeFlags = 0; CAmount nFees = 0; int nInputs = 0; unsigned int nSigOps = 0; @@ -3295,12 +3301,18 @@ bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIn const int nHeight = pindexPrev == NULL ? 0 : pindexPrev->nHeight + 1; const Consensus::Params& consensusParams = Params().GetConsensus(); + // Start enforcing BIP113 (Median Time Past) using versionbits logic. + int nLockTimeFlags = 0; + if (VersionBitsState(pindexPrev, consensusParams, Consensus::DEPLOYMENT_CSV, versionbitscache) == THRESHOLD_ACTIVE) { + nLockTimeFlags |= LOCKTIME_MEDIAN_TIME_PAST; + } + + int64_t nLockTimeCutoff = (nLockTimeFlags & LOCKTIME_MEDIAN_TIME_PAST) + ? pindexPrev->GetMedianTimePast() + : block.GetBlockTime(); + // Check that all transactions are finalized BOOST_FOREACH(const CTransaction& tx, block.vtx) { - int nLockTimeFlags = 0; - int64_t nLockTimeCutoff = (nLockTimeFlags & LOCKTIME_MEDIAN_TIME_PAST) - ? pindexPrev->GetMedianTimePast() - : block.GetBlockTime(); if (!IsFinalTx(tx, nHeight, nLockTimeCutoff)) { return state.DoS(10, false, REJECT_INVALID, "bad-txns-nonfinal", false, "non-final transaction"); } diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp index 332abc430e..e3ed7be000 100644 --- a/src/policy/policy.cpp +++ b/src/policy/policy.cpp @@ -55,7 +55,7 @@ bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType) bool IsStandardTx(const CTransaction& tx, std::string& reason) { - if (tx.nVersion > CTransaction::CURRENT_VERSION || tx.nVersion < 1) { + if (tx.nVersion > CTransaction::MAX_STANDARD_VERSION || tx.nVersion < 1) { reason = "version"; return false; } diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h index e124dca365..149816406a 100644 --- a/src/primitives/transaction.h +++ b/src/primitives/transaction.h @@ -207,8 +207,15 @@ private: void UpdateHash() const; public: + // Default transaction version. static const int32_t CURRENT_VERSION=1; + // Changing the default transaction version requires a two step process: first + // adapting relay policy by bumping MAX_STANDARD_VERSION, and then later date + // bumping the default CURRENT_VERSION at which point both CURRENT_VERSION and + // MAX_STANDARD_VERSION will be equal. + static const int32_t MAX_STANDARD_VERSION=2; + // The local variables are made const to prevent unintended modification // without updating the cached hash value. However, CTransaction is not // actually immutable; deserialization and assignment are implemented, diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index a110dff0d1..f5d75c20b3 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -681,6 +681,7 @@ UniValue getblockchaininfo(const UniValue& params, bool fHelp) softforks.push_back(SoftForkDesc("bip34", 2, tip, consensusParams)); softforks.push_back(SoftForkDesc("bip66", 3, tip, consensusParams)); softforks.push_back(SoftForkDesc("bip65", 4, tip, consensusParams)); + bip9_softforks.push_back(BIP9SoftForkDesc("csv", consensusParams, Consensus::DEPLOYMENT_CSV)); obj.push_back(Pair("softforks", softforks)); obj.push_back(Pair("bip9_softforks", bip9_softforks)); |