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dgb(test): pin pool/share-layer params to p2pool-dgb-scrypt oracle #161

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Merged
frstrtr merged 1 commit into from
Jun 18, 2026
Merged

dgb(test): pin pool/share-layer params to p2pool-dgb-scrypt oracle #161

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21 changes: 21 additions & 0 deletions src/impl/dgb/test/share_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,27 @@ TEST(DGB_share_test, OracleConsensusParams)
EXPECT_EQ(dgb::PoolConfig::CHAIN_LENGTH, 2880u);
}

// Pool/share layer timing + bound params — audited CONFORM to the DGB oracle
// this slice (networks/digibyte.py + bitcoin/networks/digibyte.py). These drive
// PPLNS weighting (SPREAD), retarget lookbehind, chain pruning (REAL_CHAIN_LENGTH),
// block-template caps, and the tracker score() denominator (PARENT.BLOCK_PERIOD).
TEST(DGB_share_test, OraclePoolShareLayer)
{
EXPECT_EQ(dgb::PoolConfig::SPREAD, 24u); // networks/digibyte.py SPREAD
EXPECT_EQ(dgb::PoolConfig::TARGET_LOOKBEHIND, 100u); // TARGET_LOOKBEHIND
EXPECT_EQ(dgb::PoolConfig::REAL_CHAIN_LENGTH, 2880u); // REAL_CHAIN_LENGTH = 12*60*60//15
EXPECT_EQ(dgb::PoolConfig::BLOCK_MAX_SIZE, 32000000u); // BLOCK_MAX_SIZE
EXPECT_EQ(dgb::PoolConfig::BLOCK_MAX_WEIGHT, 128000000u); // BLOCK_MAX_WEIGHT

// tracker score() denominator: work / ((1 - block_rel_height) * BLOCK_PERIOD).
// PARENT.BLOCK_PERIOD = 75 (Scrypt-algo period), bitcoin/networks/digibyte.py.
EXPECT_EQ(dgb::CoinParams::BLOCK_PERIOD, 75u);

// MAX_TARGET = 2**256//2**20 - 1 = 2^236 - 1 (top 20 bits zero, rest ones).
EXPECT_EQ(dgb::PoolConfig::max_target().GetHex(),
"00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
}

// v35 donation = forrestv P2PK (4104ffd0…ac, 65-byte pubkey push + CHECKSIG).
// v36 donation = combined P2SH (23-byte). get_donation_script() switches on
// share_version at the SEGWIT/merged boundary.
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