69 lines
2.3 KiB
Nim
69 lines
2.3 KiB
Nim
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# beacon_chain
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# Copyright (c) 2021 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/datatypes/altair,
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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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const TestsDir =
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SszTestsDir/const_preset/"altair"/"merkle"/"single_proof"/"pyspec_tests"
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proc runTest(identifier: string) =
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# We wrap the tests in a proc to avoid running out of globals
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# in the future: Nim supports up to 3500 globals
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# but unittest with the macro/templates put everything as globals
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# https://github.com/nim-lang/Nim/issues/12084#issue-486866402
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let testDir = TestsDir / identifier
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proc `testImpl _ merkle_single_proof _ identifier`() =
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test identifier:
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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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var s = openFileStream(testDir/"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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state = newClone(parseTest(testDir/"state.ssz_snappy", SSZ,
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altair.BeaconState))
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var computedProof = newSeq[Eth2Digest](log2trunc(proof.leaf_index))
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build_proof(state[], proof.leaf_index, computedProof)
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check:
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computedProof == proof.branch.mapIt(Eth2Digest.fromHex(it))
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is_valid_merkle_branch(Eth2Digest.fromHex(proof.leaf), 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(state[]))
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`testImpl _ merkle_single_proof _ identifier`()
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suite "Ethereum Foundation - Altair - Merkle - Single proof" & preset():
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for kind, path in walkDir(TestsDir, relative = true, checkDir = true):
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runTest(path)
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