From 18e071841e83044b47aa45c3e98c0796a407d445 Mon Sep 17 00:00:00 2001 From: John Newbery Date: Fri, 13 Oct 2017 11:35:18 -0400 Subject: [consensus] Pin P2SH activation to block 173805 on mainnet --- src/chainparams.cpp | 3 +++ src/consensus/params.h | 2 ++ src/test/miner_tests.cpp | 35 ++++++++++++++++++----------------- src/validation.cpp | 9 +++++---- 4 files changed, 28 insertions(+), 21 deletions(-) (limited to 'src') diff --git a/src/chainparams.cpp b/src/chainparams.cpp index 9aa100f49f..81ebdd4602 100644 --- a/src/chainparams.cpp +++ b/src/chainparams.cpp @@ -75,6 +75,7 @@ public: CMainParams() { strNetworkID = "main"; consensus.nSubsidyHalvingInterval = 210000; + consensus.BIP16Height = 173805; // 00000000000000ce80a7e057163a4db1d5ad7b20fb6f598c9597b9665c8fb0d4 - April 1, 2012 consensus.BIP34Height = 227931; consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"); consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0 @@ -181,6 +182,7 @@ public: CTestNetParams() { strNetworkID = "test"; consensus.nSubsidyHalvingInterval = 210000; + consensus.BIP16Height = 514; // 00000000040b4e986385315e14bee30ad876d8b47f748025b26683116d21aa65 consensus.BIP34Height = 21111; consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8"); consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6 @@ -270,6 +272,7 @@ public: CRegTestParams() { strNetworkID = "regtest"; consensus.nSubsidyHalvingInterval = 150; + consensus.BIP16Height = 0; // always enforce P2SH BIP16 on regtest consensus.BIP34Height = 100000000; // BIP34 has not activated on regtest (far in the future so block v1 are not rejected in tests) consensus.BIP34Hash = uint256(); consensus.BIP65Height = 1351; // BIP65 activated on regtest (Used in rpc activation tests) diff --git a/src/consensus/params.h b/src/consensus/params.h index 9d60c2413a..0bdf838208 100644 --- a/src/consensus/params.h +++ b/src/consensus/params.h @@ -43,6 +43,8 @@ struct BIP9Deployment { struct Params { uint256 hashGenesisBlock; int nSubsidyHalvingInterval; + /** Block height at which BIP16 becomes active */ + int BIP16Height; /** Block height and hash at which BIP34 becomes active */ int BIP34Height; uint256 BIP34Hash; diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp index 41e0626eb9..2851808cf4 100644 --- a/src/test/miner_tests.cpp +++ b/src/test/miner_tests.cpp @@ -335,23 +335,6 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); - // invalid (pre-p2sh) txn in mempool, template creation fails - tx.vin[0].prevout.hash = txFirst[0]->GetHash(); - tx.vin[0].prevout.n = 0; - tx.vin[0].scriptSig = CScript() << OP_1; - tx.vout[0].nValue = BLOCKSUBSIDY-LOWFEE; - script = CScript() << OP_0; - tx.vout[0].scriptPubKey = GetScriptForDestination(CScriptID(script)); - hash = tx.GetHash(); - mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); - tx.vin[0].prevout.hash = hash; - tx.vin[0].scriptSig = CScript() << std::vector(script.begin(), script.end()); - tx.vout[0].nValue -= LOWFEE; - hash = tx.GetHash(); - mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx)); - BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error); - mempool.clear(); - // double spend txn pair in mempool, template creation fails tx.vin[0].prevout.hash = txFirst[0]->GetHash(); tx.vin[0].scriptSig = CScript() << OP_1; @@ -391,6 +374,24 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) chainActive.SetTip(next); } BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey)); + + // invalid p2sh txn in mempool, template creation fails + tx.vin[0].prevout.hash = txFirst[0]->GetHash(); + tx.vin[0].prevout.n = 0; + tx.vin[0].scriptSig = CScript() << OP_1; + tx.vout[0].nValue = BLOCKSUBSIDY-LOWFEE; + script = CScript() << OP_0; + tx.vout[0].scriptPubKey = GetScriptForDestination(CScriptID(script)); + hash = tx.GetHash(); + mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); + tx.vin[0].prevout.hash = hash; + tx.vin[0].scriptSig = CScript() << std::vector(script.begin(), script.end()); + tx.vout[0].nValue -= LOWFEE; + hash = tx.GetHash(); + mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx)); + BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error); + mempool.clear(); + // Delete the dummy blocks again. while (chainActive.Tip()->nHeight > nHeight) { CBlockIndex* del = chainActive.Tip(); diff --git a/src/validation.cpp b/src/validation.cpp index 866e0c9fba..f0c05e92f2 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -1590,11 +1590,12 @@ 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) { -- cgit v1.2.3