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Set mainnet multi-algo chainwork scale

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This commit is contained in:
Capri 2026-09-17 20:15:44 +00:00
commit fd32811d02
Signed by: VextaProject
SSH key fingerprint: SHA256:739BZv8LvIDY2tR7lXLy/IQ6MaGTQtYcG9GNvCjmpVM
2 changed files with 47 additions and 2 deletions
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45
src/test/pow_tests.cpp
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@ -77,6 +77,8 @@ BOOST_AUTO_TEST_CASE(MultiAlgo_chainwork_normalization_test)
auto consensus = chainParams->GetConsensus();
consensus.randomXActivationHeight = 40;
consensus.multiAlgoChainworkScaleNumerator = 1;
consensus.multiAlgoChainworkScaleDenominator = 1;
std::vector<CBlockIndex> blocks(40);
@ -440,6 +442,49 @@ BOOST_AUTO_TEST_CASE(MultiAlgo_chainwork_branch_accumulation_test)
}
BOOST_AUTO_TEST_CASE(MultiAlgo_mainnet_chainwork_scale_test)
{
auto chainParams =
CreateChainParams(*m_node.args, CBaseChainParams::MAIN);
auto consensus = chainParams->GetConsensus();
// Fixed historical mainnet SHA256D reference:
// height 6985
// hash 0000000000000055369a698dd1644e058afffd2a57b90ff5904eede0c35a0df1
// nBits 196c92f2
consensus.randomXActivationHeight = 6986;
consensus.fPowNoRetargeting = true;
consensus.multiAlgoChainworkScaleNumerator = 1921821664;
consensus.multiAlgoChainworkScaleDenominator = 41733;
CBlockIndex anchor;
anchor.nHeight = 6985;
anchor.nBits = 0x196c92f2;
anchor.nVersion =
BLOCK_VERSION_DEFAULT | BLOCK_VERSION_SHA256D;
anchor.lastAlgoBlocks[ALGO_SHA256D] = &anchor;
CBlockIndex child;
child.pprev = &anchor;
child.nHeight = 6986;
child.nVersion =
BLOCK_VERSION_DEFAULT | BLOCK_VERSION_SHA256D;
const arith_uint256 referenceWork =
GetBlockProof(anchor);
const arith_uint256 scaledWork =
GetBlockProof(child, consensus);
BOOST_REQUIRE(referenceWork >= scaledWork);
const arith_uint256 difference =
referenceWork - scaledWork;
BOOST_CHECK_EQUAL(difference.GetLow64(), 282U);
BOOST_CHECK_EQUAL(difference.bits() <= 9, true);
}
BOOST_AUTO_TEST_CASE(GetBlockProofEquivalentTime_test)
{
const auto chainParams = CreateChainParams(*m_node.args, CBaseChainParams::MAIN);