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-rw-r--r--src/Makefile.test.include1
-rw-r--r--src/chainparams.cpp44
-rw-r--r--src/chainparams.h23
-rw-r--r--src/chainparamsbase.cpp17
-rw-r--r--src/chainparamsbase.h1
-rw-r--r--src/checkpoints.cpp2
-rw-r--r--src/main.cpp1
-rw-r--r--src/pow.cpp4
-rw-r--r--src/test/base58_tests.cpp4
-rw-r--r--src/test/blockv2_tests.cpp232
-rw-r--r--src/test/miner_tests.cpp1
-rw-r--r--src/test/test_bitcoin.cpp2
12 files changed, 329 insertions, 3 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index ab449f3e71..d376961996 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -51,6 +51,7 @@ BITCOIN_TESTS =\
test/key_tests.cpp \
test/main_tests.cpp \
test/miner_tests.cpp \
+ test/blockv2_tests.cpp \
test/mruset_tests.cpp \
test/multisig_tests.cpp \
test/netbase_tests.cpp \
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 179db5a818..d924a6a2b0 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -214,8 +214,50 @@ public:
};
static CRegTestParams regTestParams;
+//
+// Regression test
+//
+class CUnitTestParams : public CMainParams, public CModifiableParams {
+public:
+ CUnitTestParams() {
+ networkID = CBaseChainParams::UNITTEST;
+ strNetworkID = "unittest";
+ nDefaultPort = 18445;
+ vFixedSeeds.clear();
+ vSeeds.clear(); // Regtest mode doesn't have any DNS seeds.
+
+ fRequireRPCPassword = false;
+ fMiningRequiresPeers = false;
+ fDefaultCheckMemPool = true;
+ fAllowMinDifficultyBlocks = false;
+ fMineBlocksOnDemand = true;
+ fSkipProofOfWorkCheck = false;
+ }
+ virtual bool SkipProofOfWorkCheck() const { return fSkipProofOfWorkCheck; }
+protected:
+ bool fSkipProofOfWorkCheck;
+public:
+ // Published setters to allow changing values in unit test cases
+ virtual void setSubsidyHalvingInterval(int anSubsidyHalvingInterval) { nSubsidyHalvingInterval=anSubsidyHalvingInterval; }
+ virtual void setEnforceBlockUpgradeMajority(int anEnforceBlockUpgradeMajority) { nEnforceBlockUpgradeMajority=anEnforceBlockUpgradeMajority; }
+ virtual void setRejectBlockOutdatedMajority(int anRejectBlockOutdatedMajority) { nRejectBlockOutdatedMajority=anRejectBlockOutdatedMajority; }
+ virtual void setToCheckBlockUpgradeMajority(int anToCheckBlockUpgradeMajority) { nToCheckBlockUpgradeMajority=anToCheckBlockUpgradeMajority; }
+ virtual void setDefaultCheckMemPool(bool aDefaultCheckMemPool) { fDefaultCheckMemPool=aDefaultCheckMemPool; }
+ virtual void setAllowMinDifficultyBlocks(bool aAllowMinDifficultyBlocks) { fAllowMinDifficultyBlocks=aAllowMinDifficultyBlocks; }
+ virtual void setSkipProofOfWorkCheck(bool aSkipProofOfWorkCheck) { fSkipProofOfWorkCheck = aSkipProofOfWorkCheck; }
+};
+static CUnitTestParams unitTestParams;
+
+
static CChainParams *pCurrentParams = 0;
+CModifiableParams *ModifiableParams()
+{
+ assert(pCurrentParams);
+ assert(pCurrentParams==&unitTestParams);
+ return (CModifiableParams*)&unitTestParams;
+}
+
const CChainParams &Params() {
assert(pCurrentParams);
return *pCurrentParams;
@@ -229,6 +271,8 @@ CChainParams &Params(CBaseChainParams::Network network) {
return testNetParams;
case CBaseChainParams::REGTEST:
return regTestParams;
+ case CBaseChainParams::UNITTEST:
+ return unitTestParams;
default:
assert(false && "Unimplemented network");
return mainParams;
diff --git a/src/chainparams.h b/src/chainparams.h
index e5dfc87c6d..171a590a5f 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -61,6 +61,8 @@ public:
bool DefaultCheckMemPool() const { return fDefaultCheckMemPool; }
/* Allow mining of a min-difficulty block */
bool AllowMinDifficultyBlocks() const { return fAllowMinDifficultyBlocks; }
+ /* Skip proof-of-work check: allow mining of any difficulty block */
+ virtual bool SkipProofOfWorkCheck() const { return false; }
/* Make standard checks */
bool RequireStandard() const { return fRequireStandard; }
int64_t TargetTimespan() const { return nTargetTimespan; }
@@ -105,6 +107,24 @@ protected:
bool fMineBlocksOnDemand;
};
+/** Modifiable parameters interface is used by test cases to adapt the parameters in order
+*** to test specific features more easily. Test cases should always restore the previous
+*** values after finalization.
+**/
+
+class CModifiableParams {
+public:
+ // Published setters to allow changing values in unit test cases
+ virtual void setSubsidyHalvingInterval(int anSubsidyHalvingInterval) =0;
+ virtual void setEnforceBlockUpgradeMajority(int anEnforceBlockUpgradeMajority)=0;
+ virtual void setRejectBlockOutdatedMajority(int anRejectBlockOutdatedMajority)=0;
+ virtual void setToCheckBlockUpgradeMajority(int anToCheckBlockUpgradeMajority)=0;
+ virtual void setDefaultCheckMemPool(bool aDefaultCheckMemPool)=0;
+ virtual void setAllowMinDifficultyBlocks(bool aAllowMinDifficultyBlocks)=0;
+ virtual void setSkipProofOfWorkCheck(bool aSkipProofOfWorkCheck)=0;
+};
+
+
/**
* Return the currently selected parameters. This won't change after app startup
* outside of the unit tests.
@@ -114,6 +134,9 @@ const CChainParams &Params();
/** Return parameters for the given network. */
CChainParams &Params(CBaseChainParams::Network network);
+/** Get modifyable network parameters (UNITTEST only) */
+CModifiableParams *ModifiableParams();
+
/** Sets the params returned by Params() to those for the given network. */
void SelectParams(CBaseChainParams::Network network);
diff --git a/src/chainparamsbase.cpp b/src/chainparamsbase.cpp
index 98bb5b855f..e9d63197bd 100644
--- a/src/chainparamsbase.cpp
+++ b/src/chainparamsbase.cpp
@@ -57,6 +57,20 @@ public:
};
static CBaseRegTestParams regTestParams;
+//
+// Unit test
+//
+class CBaseUnitTestParams : public CBaseMainParams
+{
+public:
+ CBaseUnitTestParams()
+ {
+ networkID = CBaseChainParams::UNITTEST;
+ strDataDir = "unittest";
+ }
+};
+static CBaseUnitTestParams unitTestParams;
+
static CBaseChainParams* pCurrentBaseParams = 0;
const CBaseChainParams& BaseParams()
@@ -77,6 +91,9 @@ void SelectBaseParams(CBaseChainParams::Network network)
case CBaseChainParams::REGTEST:
pCurrentBaseParams = &regTestParams;
break;
+ case CBaseChainParams::UNITTEST:
+ pCurrentBaseParams = &unitTestParams;
+ break;
default:
assert(false && "Unimplemented network");
return;
diff --git a/src/chainparamsbase.h b/src/chainparamsbase.h
index c054f03f17..cc154cf501 100644
--- a/src/chainparamsbase.h
+++ b/src/chainparamsbase.h
@@ -19,6 +19,7 @@ public:
MAIN,
TESTNET,
REGTEST,
+ UNITTEST,
MAX_NETWORK_TYPES
};
diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index c41deea7ce..9a6bc05e63 100644
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -88,6 +88,8 @@ namespace Checkpoints {
return dataTestnet;
else if (Params().NetworkID() == CBaseChainParams::MAIN)
return data;
+ else if (Params().NetworkID() == CBaseChainParams::UNITTEST) // UnitTest share the same checkpoints as MAIN
+ return data;
else
return dataRegtest;
}
diff --git a/src/main.cpp b/src/main.cpp
index 9a4271eda2..4bd8fd6e36 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2304,6 +2304,7 @@ bool AcceptBlockHeader(CBlockHeader& block, CValidationState& state, CBlockIndex
nHeight = pindexPrev->nHeight+1;
// Check proof of work
+ if (!Params().SkipProofOfWorkCheck())
if (block.nBits != GetNextWorkRequired(pindexPrev, &block))
return state.DoS(100, error("AcceptBlock() : incorrect proof of work"),
REJECT_INVALID, "bad-diffbits");
diff --git a/src/pow.cpp b/src/pow.cpp
index 893f6c18be..d50222849c 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -81,6 +81,10 @@ bool CheckProofOfWork(uint256 hash, unsigned int nBits)
bool fNegative;
bool fOverflow;
uint256 bnTarget;
+
+ if (Params().SkipProofOfWorkCheck())
+ return true;
+
bnTarget.SetCompact(nBits, &fNegative, &fOverflow);
// Check range
diff --git a/src/test/base58_tests.cpp b/src/test/base58_tests.cpp
index 58fffb6df4..c298c805da 100644
--- a/src/test/base58_tests.cpp
+++ b/src/test/base58_tests.cpp
@@ -175,7 +175,7 @@ BOOST_AUTO_TEST_CASE(base58_keys_valid_parse)
BOOST_CHECK_MESSAGE(!secret.IsValid(), "IsValid pubkey as privkey:" + strTest);
}
}
- SelectParams(CBaseChainParams::MAIN);
+ SelectParams(CBaseChainParams::UNITTEST);
}
// Goal: check that generated keys match test vectors
@@ -243,7 +243,7 @@ BOOST_AUTO_TEST_CASE(base58_keys_valid_gen)
CTxDestination nodest = CNoDestination();
BOOST_CHECK(!dummyAddr.Set(nodest));
- SelectParams(CBaseChainParams::MAIN);
+ SelectParams(CBaseChainParams::UNITTEST);
}
// Goal: check that base58 parsing code is robust against a variety of corrupted data
diff --git a/src/test/blockv2_tests.cpp b/src/test/blockv2_tests.cpp
new file mode 100644
index 0000000000..0d59c8761b
--- /dev/null
+++ b/src/test/blockv2_tests.cpp
@@ -0,0 +1,232 @@
+// Copyright (c) 2011-2014 The Bitcoin Core developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "main.h"
+#include "miner.h"
+#include "uint256.h"
+#include "util.h"
+
+#include <boost/test/unit_test.hpp>
+
+// Tests the majority rule which states that after 1000 v2 blocks no v1 block can go
+BOOST_AUTO_TEST_SUITE(blockv2_tests)
+
+static CScript scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
+
+static void SetEmptyBlock(CBlock * pblock)
+{
+ pblock->nVersion = 2;
+ pblock->nTime = chainActive.Tip()->GetMedianTimePast()+1;
+ pblock->nNonce = 0;
+}
+
+static void SetBlockDefaultAttributesAndHeight(CBlock * pblock,bool addHeight,int difValue)
+{
+ SetEmptyBlock(pblock);
+
+ // Add the coinbase
+ CMutableTransaction txCoinbase(pblock->vtx[0]);
+
+ if (addHeight)
+ txCoinbase.vin[0].scriptSig = (CScript() << (chainActive.Height()+1+difValue) << 0);
+ else
+ txCoinbase.vin[0].scriptSig = (CScript() << difValue << 0); // At least size 2, this is a protocol spec
+
+ txCoinbase.vout[0].scriptPubKey = CScript();
+ pblock->vtx[0] = CTransaction(txCoinbase);
+ pblock->hashMerkleRoot = pblock->BuildMerkleTree();
+}
+
+void CheckSubsidyHalving(CBlockTemplate * &pblocktemplate, CBlock * &pblock)
+{
+ if ((chainActive.Height()+1) % Params().SubsidyHalvingInterval() == 0)
+ {
+ // The RegTest network has a low subsidy halving interval (150) so
+ // we must recompute the coinbase subsidy if we reach the boundary.
+
+ // preserve parent hash
+ uint256 prevParent = pblock->hashPrevBlock;
+ delete pblocktemplate;
+ pblocktemplate = CreateNewBlock(scriptPubKey);
+ pblock = &pblocktemplate->block; // pointer for convenience
+ pblock->hashPrevBlock = prevParent;
+ }
+}
+
+void Blockv2test()
+{
+ assert(Params().NetworkID() == CBaseChainParams::UNITTEST);
+ ModifiableParams()->setSkipProofOfWorkCheck(true);
+
+ // We don't know the state of the block-chain here: it depends on which other tests are run before this test.
+ // See https://github.com/bitcoin/bitcoin/pull/4688 for a patch that allows the re-creation of the block-chain
+ // for each testcase that requires it.
+
+ // If miner_tests.cpp is run before, the chain will be 100 blocks long, and all of them will be v1
+
+
+ LogPrintf("Blockv2test testcase starts\n");
+
+ CBlockTemplate *pblocktemplate;
+ CScript script;
+ uint256 hash;
+ int PreviousHeight;
+
+
+ LOCK(cs_main);
+
+
+ // Simple block creation, nothing special yet.
+ pblocktemplate = CreateNewBlock(scriptPubKey);
+ CBlock *pblock = &pblocktemplate->block; // pointer for convenience
+
+ LogPrintf("Blockv2test block v1 add begin\n");
+ // First create a block v1, check that it is accepted. The block has an invalid height
+ SetBlockDefaultAttributesAndHeight(pblock,false,5000);
+ pblock->nVersion = 1;
+ CValidationState state1;
+ PreviousHeight = chainActive.Height();
+ BOOST_CHECK(ProcessBlock(state1, NULL, pblock));
+ BOOST_CHECK(state1.IsValid());
+ BOOST_CHECK((PreviousHeight+1) == chainActive.Height()); // to differentiate from orphan blocks, which also get accepted in ProcessBlock()
+ pblock->hashPrevBlock = pblock->GetHash(); // update parent
+
+
+ // Now create exactly 1000 blocks v2
+
+ // First check that the supermajority threshold is exactly 1000 blocks
+ BOOST_CHECK(Params().ToCheckBlockUpgradeMajority()==1000); //
+ BOOST_CHECK(Params().EnforceBlockUpgradeMajority()==750);
+ BOOST_CHECK(Params().RejectBlockOutdatedMajority()==950);
+
+ // Over the last 1000 blocks, 750 blocks must be v2 to switch to v2-only mode.
+ // Here we're testing only the last 750, not any subset.
+
+ LogPrintf("Blockv2test BIP30 repetition begin\n");
+
+ // First, if we try to add a block v2 with the same coinbase tx, we should get
+ // "bad-txns-BIP30" because the coinbase tx has the same hash as the previous.
+ // Unluckily, even if ConnectBlock returns a "bad-txns-BIP30", ActivateBestChainStep clears
+ // the state, so we get true here and the "bad-txns-BIP30" reason is lost.
+ // We verify instead that the chain height has not been incremented.
+
+ CValidationState state7;
+ PreviousHeight = chainActive.Height();
+ CheckSubsidyHalving(pblocktemplate,pblock);
+ SetBlockDefaultAttributesAndHeight(pblock,false,5000); //
+ pblock->nVersion = 2;
+ BOOST_CHECK(ProcessBlock(state7, NULL, pblock)); // should we care about the return value?
+ BOOST_CHECK(state7.IsValid());
+ BOOST_CHECK(PreviousHeight == chainActive.Height()); // we check the block has not been added.
+
+ LogPrintf("Blockv2test 750 v2 blocks begin\n");
+ for (int i=0;i<750;i++)
+ {
+
+ LogPrintf("Blockv2test block %d begin\n",i);
+
+ CheckSubsidyHalving(pblocktemplate,pblock);
+
+ // We add a value to the height to make is NOT equal to the actual height.
+ SetBlockDefaultAttributesAndHeight(pblock,true,1000); // blocks version 2 without height are allowed! for only 750 blocks
+ pblock->nVersion = 2;
+ CValidationState state;
+
+ PreviousHeight = chainActive.Height();
+ BOOST_CHECK(ProcessBlock(state, NULL, pblock));
+ BOOST_CHECK(state.IsValid());
+ BOOST_CHECK((PreviousHeight+1) == chainActive.Height()); // to differentiate from orphan blocks, which also get accepted in ProcessBlock()
+ pblock->hashPrevBlock = pblock->GetHash(); // update parent
+ }
+
+ LogPrintf("Blockv2test v2 without height rejected begin\n");
+
+ // Now we try to add a block v2, with an invalid height and it should be rejected. We use 2000 because is not in the range [1000..1750].
+ CheckSubsidyHalving(pblocktemplate,pblock);
+ SetBlockDefaultAttributesAndHeight(pblock,true,2000); //
+ pblock->nVersion = 2;
+ CValidationState state0;
+ BOOST_CHECK(ProcessBlock(state0, NULL, pblock)==false);
+ BOOST_CHECK(!state0.IsValid());
+ BOOST_CHECK(state0.GetRejectReason()=="bad-cb-height");
+ // Do not update parent since block has failed
+
+ LogPrintf("Blockv2test v2 with height accepted begin\n");
+
+
+ // Now we add a block with height, must be ok.
+ for (int i=0;i<200;i++)
+ {
+
+ LogPrintf("Blockv2test v2block %d begin\n",i);
+ CheckSubsidyHalving(pblocktemplate,pblock);
+ SetBlockDefaultAttributesAndHeight(pblock,true,0);
+ pblock->nVersion = 2;
+ CValidationState state;
+ PreviousHeight = chainActive.Height();
+ BOOST_CHECK(ProcessBlock(state, NULL, pblock));
+ BOOST_CHECK(state.IsValid());
+ BOOST_CHECK((PreviousHeight+1) == chainActive.Height()); // to differentiate from orphan blocks, which also get accepted in ProcessBlock()
+
+ pblock->hashPrevBlock = pblock->GetHash(); // update parent
+ }
+
+
+ LogPrintf("Blockv2test block v1 rejected\n");
+ // Now we add 200 additional blocks, until we get 950 (the threshold were v1 blocks are not accepted anymore)
+ // Now we try to add a block v1, it should be rejected, even if it hash the height field
+ CheckSubsidyHalving(pblocktemplate,pblock);
+ SetBlockDefaultAttributesAndHeight(pblock,true,0);
+ pblock->nVersion = 1;
+ CValidationState state2;
+ BOOST_CHECK(ProcessBlock(state2, NULL, pblock)==false);
+ BOOST_CHECK(!state2.IsValid());
+ BOOST_CHECK(state2.GetRejectReason()=="bad-version");
+ // Do not update parent since block has failed
+
+
+
+ // Some other missing tests, added here as bonus...
+
+ // Block time too old check
+ CheckSubsidyHalving(pblocktemplate,pblock);
+ SetBlockDefaultAttributesAndHeight(pblock,true,0);
+ pblock->nVersion = 2;
+ pblock->nTime = chainActive.Tip()->GetMedianTimePast()-1;
+ CValidationState state4;
+ BOOST_CHECK(ProcessBlock(state4, NULL, pblock)==false);
+ BOOST_CHECK(!state4.IsValid());
+ BOOST_CHECK(state4.GetRejectReason()=="time-too-old");
+ // Do not update parent since block has failed
+
+ // Adding a non-final coinbase, must modify coinbase
+ CheckSubsidyHalving(pblocktemplate,pblock);
+ SetEmptyBlock(pblock);
+ // Use a mutable coinbase to change nLockTime and nSequence
+ CMutableTransaction txCoinbase(pblock->vtx[0]);
+ txCoinbase.vin[0].scriptSig = (CScript() << chainActive.Height() << 0);
+ txCoinbase.nLockTime = LOCKTIME_THRESHOLD-1; // refers to height
+ txCoinbase.vin[0].nSequence = 1; // non-zero sequence
+ pblock->vtx[0] = CTransaction(txCoinbase);
+ pblock->nVersion = 2;
+ pblock->hashMerkleRoot = pblock->BuildMerkleTree();
+ CValidationState state5;
+ BOOST_CHECK(ProcessBlock(state5, NULL, pblock)==false);
+ BOOST_CHECK(!state5.IsValid());
+ BOOST_CHECK(state5.GetRejectReason()=="bad-txns-nonfinal");
+ // Do not update parent since block has failed
+
+
+ delete pblocktemplate;
+
+ ModifiableParams()->setSkipProofOfWorkCheck(false);
+ LogPrintf("Blockv2test testcase ends\n");
+}
+
+BOOST_AUTO_TEST_CASE(Blockv2testcase)
+{
+ Blockv2test();
+}
+
+BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index 9e4669eba9..bad5c13ac2 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -253,6 +253,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
chainActive.Tip()->nHeight--;
SetMockTime(0);
+ mempool.clear();
BOOST_FOREACH(CTransaction *tx, txFirst)
delete tx;
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index 68fad8d038..6e5f0e3fac 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -31,7 +31,7 @@ struct TestingSetup {
TestingSetup() {
fPrintToDebugLog = false; // don't want to write to debug.log file
- SelectParams(CBaseChainParams::MAIN);
+ SelectParams(CBaseChainParams::UNITTEST);
noui_connect();
#ifdef ENABLE_WALLET
bitdb.MakeMock();
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-07 19:55:13 +0000