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Differential D6874 Diff 22141 src/test/checkpoints_tests.cpp

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src/test/checkpoints_tests.cpp

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* \ \ * \ \
* \--> B \-> AB * \--> B \-> AB
* After the node has accepted only A and AA, these rejects should occur: * After the node has accepted only A and AA, these rejects should occur:
* * B should be rejected for forking prior to an accepted checkpoint * * B should be rejected for forking prior to an accepted checkpoint
* * AB should be rejected for forking at an accepted checkpoint * * AB should be rejected for forking at an accepted checkpoint
*/ */
BOOST_AUTO_TEST_CASE(ban_fork_prior_to_and_at_checkpoints) { BOOST_AUTO_TEST_CASE(ban_fork_prior_to_and_at_checkpoints) {
MainnetConfigWithTestCheckpoints config; MainnetConfigWithTestCheckpoints config;
CBlockHeader invalid;
const CBlockIndex *pindex = nullptr; const CBlockIndex *pindex = nullptr;
// Start with mainnet genesis block // Start with mainnet genesis block
CBlockHeader headerG = config.GetChainParams().GenesisBlock(); CBlockHeader headerG = config.GetChainParams().GenesisBlock();
BOOST_CHECK(headerG.GetHash() == BOOST_CHECK(headerG.GetHash() ==
uint256S("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f" uint256S("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f"
"1b60a8ce26f")); "1b60a8ce26f"));
{ {
CValidationState state; CValidationState state;
BOOST_CHECK(ProcessNewBlockHeaders(config, {headerG}, state, &pindex, BOOST_CHECK(ProcessNewBlockHeaders(config, {headerG}, state, &pindex));
&invalid));
pindex = nullptr; pindex = nullptr;
} }
CBlockHeader headerA, headerB, headerAA, headerAB; CBlockHeader headerA, headerB, headerAA, headerAB;
CDataStream stream = CDataStream( CDataStream stream = CDataStream(
ParseHex( ParseHex(
"010000006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000" "010000006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000"
"000000982051fd1e4ba744bbbe680e1fee14677ba1a3c3540bf7b1cdb606e85723" "000000982051fd1e4ba744bbbe680e1fee14677ba1a3c3540bf7b1cdb606e85723"
▲ Show 20 Lines • Show All 47 Lines • ▼ Show 20 Lines stream = CDataStream(
"89198a0b23505578be4164a65521ee7751eb1dac00000000"), "89198a0b23505578be4164a65521ee7751eb1dac00000000"),
SER_NETWORK, PROTOCOL_VERSION); SER_NETWORK, PROTOCOL_VERSION);
stream >> headerAB; stream >> headerAB;
BOOST_CHECK(headerAB.hashPrevBlock == headerA.GetHash()); BOOST_CHECK(headerAB.hashPrevBlock == headerA.GetHash());
// Headers A and AA should be accepted // Headers A and AA should be accepted
{ {
CValidationState state; CValidationState state;
BOOST_CHECK(ProcessNewBlockHeaders(config, {headerA}, state, &pindex, BOOST_CHECK(ProcessNewBlockHeaders(config, {headerA}, state, &pindex));
&invalid));
BOOST_CHECK(state.IsValid()); BOOST_CHECK(state.IsValid());
BOOST_CHECK(pindex != nullptr); BOOST_CHECK(pindex != nullptr);
pindex = nullptr; pindex = nullptr;
BOOST_CHECK(invalid.IsNull());
} }
{ {
CValidationState state; CValidationState state;
BOOST_CHECK(ProcessNewBlockHeaders(config, {headerAA}, state, &pindex, BOOST_CHECK(ProcessNewBlockHeaders(config, {headerAA}, state, &pindex));
&invalid));
BOOST_CHECK(state.IsValid()); BOOST_CHECK(state.IsValid());
BOOST_CHECK(pindex != nullptr); BOOST_CHECK(pindex != nullptr);
pindex = nullptr; pindex = nullptr;
BOOST_CHECK(invalid.IsNull());
} }
// Header B should be rejected // Header B should be rejected
{ {
CValidationState state; CValidationState state;
BOOST_CHECK(!ProcessNewBlockHeaders(config, {headerB}, state, &pindex, BOOST_CHECK(!ProcessNewBlockHeaders(config, {headerB}, state, &pindex));
&invalid));
BOOST_CHECK(state.IsInvalid()); BOOST_CHECK(state.IsInvalid());
BOOST_CHECK(state.GetRejectCode() == REJECT_CHECKPOINT); BOOST_CHECK(state.GetRejectCode() == REJECT_CHECKPOINT);
BOOST_CHECK(state.GetRejectReason() == "bad-fork-prior-to-checkpoint"); BOOST_CHECK(state.GetRejectReason() == "bad-fork-prior-to-checkpoint");
BOOST_CHECK(pindex == nullptr); BOOST_CHECK(pindex == nullptr);
BOOST_CHECK(invalid.GetHash() == headerB.GetHash());
} }
// Sanity check to ensure header was not saved in memory // Sanity check to ensure header was not saved in memory
{ {
LOCK(cs_main); LOCK(cs_main);
BOOST_CHECK(LookupBlockIndex(headerB.GetHash()) == nullptr); BOOST_CHECK(LookupBlockIndex(headerB.GetHash()) == nullptr);
} }
// Header AB should be rejected // Header AB should be rejected
{ {
CValidationState state; CValidationState state;
BOOST_CHECK(!ProcessNewBlockHeaders(config, {headerAB}, state, &pindex, BOOST_CHECK(
&invalid)); !ProcessNewBlockHeaders(config, {headerAB}, state, &pindex));
BOOST_CHECK(state.IsInvalid()); BOOST_CHECK(state.IsInvalid());
BOOST_CHECK(state.GetRejectCode() == REJECT_CHECKPOINT); BOOST_CHECK(state.GetRejectCode() == REJECT_CHECKPOINT);
BOOST_CHECK(state.GetRejectReason() == "checkpoint mismatch"); BOOST_CHECK(state.GetRejectReason() == "checkpoint mismatch");
BOOST_CHECK(pindex == nullptr); BOOST_CHECK(pindex == nullptr);
BOOST_CHECK(invalid.GetHash() == headerAB.GetHash());
} }
// Sanity check to ensure header was not saved in memory // Sanity check to ensure header was not saved in memory
{ {
LOCK(cs_main); LOCK(cs_main);
BOOST_CHECK(LookupBlockIndex(headerAB.GetHash()) == nullptr); BOOST_CHECK(LookupBlockIndex(headerAB.GetHash()) == nullptr);
} }
} }
BOOST_AUTO_TEST_SUITE_END() BOOST_AUTO_TEST_SUITE_END()