nimbus-eth2/tests/consensus_spec/test_fixture_light_client_s...

67 lines
2.2 KiB
Nim

# beacon_chain
# Copyright (c) 2021-2022 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.used.}
import
# Standard library
std/[os, sequtils, streams],
# Status libraries
stew/bitops2,
# Third-party
yaml,
# Beacon chain internals
../../../beacon_chain/spec/datatypes/altair,
../../../beacon_chain/spec/helpers,
# Test utilities
../testutil,
./fixtures_utils
proc runTest(path: string, fork: BeaconStateFork) =
test "Light client - Single merkle proof - " & path.relativePath(SszTestsDir):
type
TestProof = object
leaf: string
leaf_index: GeneralizedIndex
branch: seq[string]
let
proof = block:
let s = openFileStream(path/"proof.yaml")
defer: close(s)
var res: TestProof
yaml.load(s, res)
res
state = loadForkedState(path/"state.ssz_snappy", fork)
withState(state[]):
var computedProof = newSeq[Eth2Digest](log2trunc(proof.leaf_index))
build_proof(forkyState.data, proof.leaf_index, computedProof).get
check:
computedProof == proof.branch.mapIt(Eth2Digest.fromHex(it))
is_valid_merkle_branch(
Eth2Digest.fromHex(proof.leaf),
computedProof,
log2trunc(proof.leaf_index),
get_subtree_index(proof.leaf_index),
forkyState.root)
suite "EF - Light client - Single merkle proof" & preset():
const presetPath = SszTestsDir/const_preset
for kind, path in walkDir(presetPath, relative = true, checkDir = true):
let testsPath = presetPath/path/"light_client"/"single_merkle_proof"
if kind != pcDir or not dirExists(testsPath):
continue
let
fork = forkForPathComponent(path).valueOr:
raiseAssert "Unknown test fork: " & testsPath
basePath = testsPath/"pyspec_tests"
for kind, path in walkDir(basePath, relative = true, checkDir = true):
runTest(basePath/path, fork)