diff options
Diffstat (limited to 'src/test/policyestimator_tests.cpp')
-rw-r--r-- | src/test/policyestimator_tests.cpp | 70 |
1 files changed, 32 insertions, 38 deletions
diff --git a/src/test/policyestimator_tests.cpp b/src/test/policyestimator_tests.cpp index bc2f49ef3f..6bfd315647 100644 --- a/src/test/policyestimator_tests.cpp +++ b/src/test/policyestimator_tests.cpp @@ -16,7 +16,8 @@ BOOST_FIXTURE_TEST_SUITE(policyestimator_tests, BasicTestingSetup) BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) { - CTxMemPool mpool; + CBlockPolicyEstimator feeEst; + CTxMemPool mpool(&feeEst); TestMemPoolEntryHelper entry; CAmount basefee(2000); CAmount deltaFee(100); @@ -49,8 +50,8 @@ BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) int blocknum = 0; // Loop through 200 blocks - // At a decay .998 and 4 fee transactions per block - // This makes the tx count about 1.33 per bucket, above the 1 threshold + // At a decay .9952 and 4 fee transactions per block + // This makes the tx count about 2.5 per bucket, well above the 0.1 threshold while (blocknum < 200) { for (int j = 0; j < 10; j++) { // For each fee for (int k = 0; k < 4; k++) { // add 4 fee txs @@ -74,20 +75,14 @@ BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) } mpool.removeForBlock(block, ++blocknum); block.clear(); - if (blocknum == 30) { - // At this point we should need to combine 5 buckets to get enough data points - // So estimateFee(1,2,3) should fail and estimateFee(4) should return somewhere around - // 8*baserate. estimateFee(4) %'s are 100,100,100,100,90 = average 98% - BOOST_CHECK(mpool.estimateFee(1) == CFeeRate(0)); - BOOST_CHECK(mpool.estimateFee(2) == CFeeRate(0)); - BOOST_CHECK(mpool.estimateFee(3) == CFeeRate(0)); - BOOST_CHECK(mpool.estimateFee(4).GetFeePerK() < 8*baseRate.GetFeePerK() + deltaFee); - BOOST_CHECK(mpool.estimateFee(4).GetFeePerK() > 8*baseRate.GetFeePerK() - deltaFee); - int answerFound; - BOOST_CHECK(mpool.estimateSmartFee(1, &answerFound) == mpool.estimateFee(4) && answerFound == 4); - BOOST_CHECK(mpool.estimateSmartFee(3, &answerFound) == mpool.estimateFee(4) && answerFound == 4); - BOOST_CHECK(mpool.estimateSmartFee(4, &answerFound) == mpool.estimateFee(4) && answerFound == 4); - BOOST_CHECK(mpool.estimateSmartFee(8, &answerFound) == mpool.estimateFee(8) && answerFound == 8); + // Check after just a few txs that combining buckets works as expected + if (blocknum == 3) { + // At this point we should need to combine 3 buckets to get enough data points + // So estimateFee(1) should fail and estimateFee(2) should return somewhere around + // 9*baserate. estimateFee(2) %'s are 100,100,90 = average 97% + BOOST_CHECK(feeEst.estimateFee(1) == CFeeRate(0)); + BOOST_CHECK(feeEst.estimateFee(2).GetFeePerK() < 9*baseRate.GetFeePerK() + deltaFee); + BOOST_CHECK(feeEst.estimateFee(2).GetFeePerK() > 9*baseRate.GetFeePerK() - deltaFee); } } @@ -99,18 +94,19 @@ BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) // Second highest feerate has 100% chance of being included by 2 blocks, // so estimateFee(2) should return 9*baseRate etc... for (int i = 1; i < 10;i++) { - origFeeEst.push_back(mpool.estimateFee(i).GetFeePerK()); + origFeeEst.push_back(feeEst.estimateFee(i).GetFeePerK()); if (i > 2) { // Fee estimates should be monotonically decreasing BOOST_CHECK(origFeeEst[i-1] <= origFeeEst[i-2]); } int mult = 11-i; - if (i > 1) { + if (i % 2 == 0) { //At scale 2, test logic is only correct for even targets BOOST_CHECK(origFeeEst[i-1] < mult*baseRate.GetFeePerK() + deltaFee); BOOST_CHECK(origFeeEst[i-1] > mult*baseRate.GetFeePerK() - deltaFee); } - else { - BOOST_CHECK(origFeeEst[i-1] == CFeeRate(0).GetFeePerK()); - } + } + // Fill out rest of the original estimates + for (int i = 10; i <= 48; i++) { + origFeeEst.push_back(feeEst.estimateFee(i).GetFeePerK()); } // Mine 50 more blocks with no transactions happening, estimates shouldn't change @@ -118,10 +114,10 @@ BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) while (blocknum < 250) mpool.removeForBlock(block, ++blocknum); - BOOST_CHECK(mpool.estimateFee(1) == CFeeRate(0)); + BOOST_CHECK(feeEst.estimateFee(1) == CFeeRate(0)); for (int i = 2; i < 10;i++) { - BOOST_CHECK(mpool.estimateFee(i).GetFeePerK() < origFeeEst[i-1] + deltaFee); - BOOST_CHECK(mpool.estimateFee(i).GetFeePerK() > origFeeEst[i-1] - deltaFee); + BOOST_CHECK(feeEst.estimateFee(i).GetFeePerK() < origFeeEst[i-1] + deltaFee); + BOOST_CHECK(feeEst.estimateFee(i).GetFeePerK() > origFeeEst[i-1] - deltaFee); } @@ -139,10 +135,8 @@ BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) mpool.removeForBlock(block, ++blocknum); } - int answerFound; for (int i = 1; i < 10;i++) { - BOOST_CHECK(mpool.estimateFee(i) == CFeeRate(0) || mpool.estimateFee(i).GetFeePerK() > origFeeEst[i-1] - deltaFee); - BOOST_CHECK(mpool.estimateSmartFee(i, &answerFound).GetFeePerK() > origFeeEst[answerFound-1] - deltaFee); + BOOST_CHECK(feeEst.estimateFee(i) == CFeeRate(0) || feeEst.estimateFee(i).GetFeePerK() > origFeeEst[i-1] - deltaFee); } // Mine all those transactions @@ -155,16 +149,16 @@ BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) txHashes[j].pop_back(); } } - mpool.removeForBlock(block, 265); + mpool.removeForBlock(block, 266); block.clear(); - BOOST_CHECK(mpool.estimateFee(1) == CFeeRate(0)); + BOOST_CHECK(feeEst.estimateFee(1) == CFeeRate(0)); for (int i = 2; i < 10;i++) { - BOOST_CHECK(mpool.estimateFee(i).GetFeePerK() > origFeeEst[i-1] - deltaFee); + BOOST_CHECK(feeEst.estimateFee(i) == CFeeRate(0) || feeEst.estimateFee(i).GetFeePerK() > origFeeEst[i-1] - deltaFee); } - // Mine 200 more blocks where everything is mined every block + // Mine 400 more blocks where everything is mined every block // Estimates should be below original estimates - while (blocknum < 465) { + while (blocknum < 665) { for (int j = 0; j < 10; j++) { // For each fee multiple for (int k = 0; k < 4; k++) { // add 4 fee txs tx.vin[0].prevout.n = 10000*blocknum+100*j+k; @@ -179,9 +173,9 @@ BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) mpool.removeForBlock(block, ++blocknum); block.clear(); } - BOOST_CHECK(mpool.estimateFee(1) == CFeeRate(0)); - for (int i = 2; i < 10; i++) { - BOOST_CHECK(mpool.estimateFee(i).GetFeePerK() < origFeeEst[i-1] - deltaFee); + BOOST_CHECK(feeEst.estimateFee(1) == CFeeRate(0)); + for (int i = 2; i < 9; i++) { // At 9, the original estimate was already at the bottom (b/c scale = 2) + BOOST_CHECK(feeEst.estimateFee(i).GetFeePerK() < origFeeEst[i-1] - deltaFee); } // Test that if the mempool is limited, estimateSmartFee won't return a value below the mempool min fee @@ -190,8 +184,8 @@ BOOST_AUTO_TEST_CASE(BlockPolicyEstimates) mpool.TrimToSize(1); BOOST_CHECK(mpool.GetMinFee(1).GetFeePerK() > feeV[5]); for (int i = 1; i < 10; i++) { - BOOST_CHECK(mpool.estimateSmartFee(i).GetFeePerK() >= mpool.estimateFee(i).GetFeePerK()); - BOOST_CHECK(mpool.estimateSmartFee(i).GetFeePerK() >= mpool.GetMinFee(1).GetFeePerK()); + BOOST_CHECK(feeEst.estimateSmartFee(i, NULL, mpool).GetFeePerK() >= feeEst.estimateRawFee(i, 0.85, FeeEstimateHorizon::MED_HALFLIFE).GetFeePerK()); + BOOST_CHECK(feeEst.estimateSmartFee(i, NULL, mpool).GetFeePerK() >= mpool.GetMinFee(1).GetFeePerK()); } } |