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Merge pull request #4795

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5d7c2316 rct: add a zeroCommit cache for common pre-rct case (moneromooo-monero)
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Riccardo Spagni 2018-11-16 11:11:10 +02:00
commit 46f989bc49
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4 changed files with 211 additions and 0 deletions
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19
tests/unit_tests/ringct.cpp
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@ -1086,6 +1086,25 @@ TEST(ringct, zeroCommmit)
ASSERT_EQ(z, manual);
}
static rct::key uncachedZeroCommit(uint64_t amount)
{
const rct::key am = rct::d2h(amount);
const rct::key bH = rct::scalarmultH(am);
return rct::addKeys(rct::G, bH);
}
TEST(ringct, zeroCommitCache)
{
ASSERT_EQ(rct::zeroCommit(0), uncachedZeroCommit(0));
ASSERT_EQ(rct::zeroCommit(1), uncachedZeroCommit(1));
ASSERT_EQ(rct::zeroCommit(2), uncachedZeroCommit(2));
ASSERT_EQ(rct::zeroCommit(10), uncachedZeroCommit(10));
ASSERT_EQ(rct::zeroCommit(200), uncachedZeroCommit(200));
ASSERT_EQ(rct::zeroCommit(1000000000), uncachedZeroCommit(1000000000));
ASSERT_EQ(rct::zeroCommit(3000000000000), uncachedZeroCommit(3000000000000));
ASSERT_EQ(rct::zeroCommit(900000000000000), uncachedZeroCommit(900000000000000));
}
TEST(ringct, H)
{
ge_p3 p3;