From 65751a3cf2421a9419172949cad9dc49b7383551 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Sat, 20 Feb 2016 23:37:13 +0100 Subject: [PATCH] Add CHECKSEQUENCEVERIFY softfork through BIP9 --- src/chainparams.cpp | 17 ++++++++++++++++- src/consensus/params.h | 1 + src/main.cpp | 5 +++++ src/rpc/blockchain.cpp | 1 + 4 files changed, 23 insertions(+), 1 deletion(-) diff --git a/src/chainparams.cpp b/src/chainparams.cpp index 35e090a0b..f48937d67 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. @@ -172,6 +178,12 @@ 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; @@ -240,6 +252,9 @@ 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 7c3a8e84c..4f3480b89 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 1bc88326b..cfa69817b 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2262,6 +2262,11 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin flags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY; } + // Start enforcing CHECKSEQUENCEVERIFY using versionbits logic. + if (VersionBitsState(pindex->pprev, chainparams.GetConsensus(), Consensus::DEPLOYMENT_CSV, versionbitscache) == THRESHOLD_ACTIVE) { + flags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY; + } + int64_t nTime2 = GetTimeMicros(); nTimeForks += nTime2 - nTime1; LogPrint("bench", " - Fork checks: %.2fms [%.2fs]\n", 0.001 * (nTime2 - nTime1), nTimeForks * 0.000001); diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index a110dff0d..f5d75c20b 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));