nimbus-eth2/scripts/run_ssz_fuzzing_test.nims

43 lines
1.3 KiB
Nim

import os except dirExists
import strformat, confutils
import testutils/fuzzing_engines
const
gitRoot = thisDir() / ".."
fixturesDir = gitRoot / "vendor" / "nim-eth2-scenarios" / "tests-v0.12.2" / "mainnet" / "phase0" / "ssz_static"
fuzzingTestsDir = gitRoot / "tests" / "fuzzing"
fuzzingCorpusesDir = fuzzingTestsDir / "corpus"
fuzzNims = gitRoot / "vendor" / "nim-testutils" / "testutils" / "fuzzing" / "fuzz.nims"
cli do (testname {.argument.}: string,
fuzzer = defaultFuzzingEngine):
if not dirExists(fixturesDir):
echo "Please run `make test` first in order to download the official ETH2 test vectors"
quit 1
if not dirExists(fixturesDir / testname):
echo testname, " is not a recognized SSZ type name (type names are case-sensitive)"
quit 1
let corpusDir = fuzzingCorpusesDir / testname
rmDir corpusDir
mkDir corpusDir
var inputIdx = 0
template nextInputName: string =
inc inputIdx
"input" & $inputIdx
for file in walkDirRec(fixturesDir / testname):
if splitFile(file).ext == ".ssz":
# TODO Can we create hard links here?
cpFile file, corpusDir / nextInputName()
let testProgram = fuzzingTestsDir / &"ssz_decode_{testname}.nim"
exec &"""ntu fuzz --fuzzer={fuzzer} --corpus="{corpusDir}" "{testProgram}" """