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An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu
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besu/testfuzz
History
Danno Ferrin efb6906e13
Move EOF to the Osaka Fork (#7719) 		3 weeks ago
..
src/main Move EOF to the Osaka Fork (#7719) 3 weeks ago
README.md EOF Differential Layout Fuzzer (#7488) 2 months ago
build.gradle Performance improvements to EOF layout fuzzing (#7545) 2 months ago

README.md

BesuFuzz

BesuFuzz is where all the besu guided fuzzing tools live.

eof-container

Performs differential fuzzing between Ethereum clients based on the txparse eofparse format. Note that only the inital OK and err values are used to determine if there is a difference.

Prototypical CLI Usage:

BesuFuzz eof-container \
  --tests-dir=~/git/ethereum/tests/EOFTests \
  --client=evm1=evmone-eofparse \
  --client=revm=revme bytecode

Prototypical Gradle usage:

./gradlew fuzzEvmone fuzzReth

There are pre-written Gradle targets for fuzzEthereumJS, fuzzEvmone, fuzzGeth, fuzzNethermind, and fuzzReth. Besu is always a fuzzing target. The fuzzAll target will fuzz all clients.