74 lines
2.5 KiB
Nim
74 lines
2.5 KiB
Nim
# beacon_chain
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# Copyright (c) 2021-2023 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.used.}
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import
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# Standard library
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std/[os, sequtils, streams],
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# Status libraries
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stew/bitops2,
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# Third-party
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yaml,
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# Beacon chain internals
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../../../beacon_chain/spec/helpers,
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# Test utilities
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../testutil,
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./fixtures_utils
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proc runTest[T](path: string, objType: typedesc[T]) =
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test "Light client - Single merkle proof - " & path.relativePath(SszTestsDir):
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type
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TestProof = object
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leaf: string
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leaf_index: GeneralizedIndex
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branch: seq[string]
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let
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proof = block:
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let s = openFileStream(path/"proof.yaml")
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defer: close(s)
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var res: TestProof
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yaml.load(s, res)
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res
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obj = newClone(parseTest(path/"object.ssz_snappy", SSZ, T))
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var computedProof = newSeq[Eth2Digest](log2trunc(proof.leaf_index))
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build_proof(obj[], proof.leaf_index, computedProof).get
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check:
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computedProof == proof.branch.mapIt(Eth2Digest.fromHex(it))
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is_valid_merkle_branch(
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Eth2Digest.fromHex(proof.leaf),
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computedProof,
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log2trunc(proof.leaf_index),
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get_subtree_index(proof.leaf_index),
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hash_tree_root(obj[]))
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suite "EF - Light client - Single merkle proof" & preset():
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const presetPath = SszTestsDir/const_preset
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for kind, path in walkDir(presetPath, relative = true, checkDir = true):
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let testsPath = presetPath/path/"light_client"/"single_merkle_proof"
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if kind != pcDir or not dirExists(testsPath):
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continue
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let fork = forkForPathComponent(path).valueOr:
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raiseAssert "Unknown test fork: " & testsPath
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for kind, path in walkDir(testsPath, relative = true, checkDir = true):
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let suitePath = testsPath/path
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if kind != pcDir or not dirExists(suitePath):
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continue
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let objName = path
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withStateFork(fork):
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const blockFork = stateFork.toBeaconBlockFork()
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for kind, path in walkDir(suitePath, relative = true, checkDir = true):
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case objName
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of "BeaconState":
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runTest(suitePath/path, stateFork.BeaconState)
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else:
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raiseAssert "Unknown test object: " & suitePath/path
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