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consensus/ethash: implement faster difficulty calculators (#21976)

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This PR adds re-written difficulty calculators, which are based on uint256. It also adds a fuzzer + oss-fuzz integration for the new fuzzer. It does differential fuzzing between the new and old calculators.

Note: this PR does not actually enable the new calculators.
This commit is contained in:
Martin Holst Swende
2020-12-11 11:06:44 +01:00
committed by GitHub
parent 88c696240d
commit efe6dd2904
6 changed files with 469 additions and 0 deletions
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oss-fuzz.sh
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@ -57,6 +57,7 @@ compile_fuzzer tests/fuzzers/txfetcher Fuzz fuzzTxfetcher
compile_fuzzer tests/fuzzers/rlp Fuzz fuzzRlp
compile_fuzzer tests/fuzzers/trie Fuzz fuzzTrie
compile_fuzzer tests/fuzzers/stacktrie Fuzz fuzzStackTrie
compile_fuzzer tests/fuzzers/difficulty Fuzz fuzzDifficulty
compile_fuzzer tests/fuzzers/bls12381 FuzzG1Add fuzz_g1_add
compile_fuzzer tests/fuzzers/bls12381 FuzzG1Mul fuzz_g1_mul