241 lines
9.8 KiB
Nim
241 lines
9.8 KiB
Nim
# beacon_chain
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# Copyright (c) 2024 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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std/json,
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yaml,
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kzg4844/kzg_ex,
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stew/[byteutils, results],
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../testutil,
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./fixtures_utils, ./os_ops
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from std/sequtils import anyIt, mapIt
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from std/strutils import rsplit
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# Should be generic, but for https://github.com/nim-lang/Nim/issues/23204
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func fromHex32(s: string): Opt[array[32, byte]] =
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try:
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Opt.some fromHex(array[32, byte], s)
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except ValueError:
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Opt.none array[32, byte]
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func fromHex48(s: string): Opt[array[48, byte]] =
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try:
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Opt.some fromHex(array[48, byte], s)
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except ValueError:
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Opt.none array[48, byte]
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func fromHex128K(s: string): Opt[array[131072, byte]] =
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try:
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Opt.some fromHex(array[131072, byte], s)
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except ValueError:
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Opt.none array[131072, byte]
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block:
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template sourceDir: string = currentSourcePath.rsplit(DirSep, 1)[0]
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doAssert Kzg.loadTrustedSetup(
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sourceDir &
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"/../../vendor/nim-kzg4844/kzg4844/csources/src/trusted_setup.txt").isOk
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proc runBlobToKzgCommitmentTest(suiteName, suitePath, path: string) =
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test "KZG - Blob to KZG commitment - " & path.relativePath(suitePath):
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let
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data = yaml.loadToJson(os_ops.readFile(path/"data.yaml"))[0]
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output = data["output"]
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blob = fromHex128K(data["input"]["blob"].getStr)
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/tests/formats/kzg/blob_to_kzg_commitment.md#condition
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# If the blob is invalid (e.g. incorrect length or one of the 32-byte
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# blocks does not represent a BLS field element) it should error, i.e. the
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# output should be `null`.
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if blob.isNone:
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check output.kind == JNull
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else:
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let commitment = blobToKzgCommitment(blob.get)
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check:
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if commitment.isErr:
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output.kind == JNull
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else:
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commitment.get == fromHex48(output.getStr).get
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proc runVerifyKzgProofTest(suiteName, suitePath, path: string) =
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test "KZG - Verify KZG proof - " & path.relativePath(suitePath):
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let
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data = yaml.loadToJson(os_ops.readFile(path/"data.yaml"))[0]
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output = data["output"]
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commitment = fromHex48(data["input"]["commitment"].getStr)
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z = fromHex32(data["input"]["z"].getStr)
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y = fromHex32(data["input"]["y"].getStr)
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proof = fromHex48(data["input"]["proof"].getStr)
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/tests/formats/kzg/verify_kzg_proof.md#condition
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# "If the commitment or proof is invalid (e.g. not on the curve or not in
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# the G1 subgroup of the BLS curve) or `z` or `y` are not a valid BLS
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# field element, it should error, i.e. the output should be `null`."
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if commitment.isNone or z.isNone or y.isNone or proof.isNone:
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check output.kind == JNull
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else:
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let v = verifyProof(commitment.get, z.get, y.get, proof.get)
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check:
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if v.isErr:
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output.kind == JNull
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else:
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v.get == output.getBool
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proc runVerifyBlobKzgProofTest(suiteName, suitePath, path: string) =
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test "KZG - Verify blob KZG proof - " & path.relativePath(suitePath):
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let
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data = yaml.loadToJson(os_ops.readFile(path/"data.yaml"))[0]
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output = data["output"]
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blob = fromHex128K(data["input"]["blob"].getStr)
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commitment = fromHex48(data["input"]["commitment"].getStr)
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proof = fromHex48(data["input"]["proof"].getStr)
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/tests/formats/kzg/verify_blob_kzg_proof.md#condition
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# "If the commitment or proof is invalid (e.g. not on the curve or not in
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# the G1 subgroup of the BLS curve) or `blob` is invalid (e.g. incorrect
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# length or one of the 32-byte blocks does not represent a BLS field
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# element), it should error, i.e. the output should be `null`."
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if blob.isNone or commitment.isNone or proof.isNone:
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check output.kind == JNull
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else:
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let v = verifyBlobKzgProof(blob.get, commitment.get, proof.get)
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check:
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if v.isErr:
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output.kind == JNull
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else:
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v.get == output.getBool
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proc runVerifyBlobKzgProofBatchTest(suiteName, suitePath, path: string) =
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test "KZG - Verify blob KZG proof batch - " & path.relativePath(suitePath):
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let
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data = yaml.loadToJson(os_ops.readFile(path/"data.yaml"))[0]
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output = data["output"]
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blobs = data["input"]["blobs"].mapIt(fromHex128K(it.getStr))
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commitments = data["input"]["commitments"].mapIt(fromHex48(it.getStr))
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proofs = data["input"]["proofs"].mapIt(fromHex48(it.getStr))
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/tests/formats/kzg/verify_blob_kzg_proof_batch.md#condition
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# "If any of the commitments or proofs are invalid (e.g. not on the curve or
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# not in the G1 subgroup of the BLS curve) or any blob is invalid (e.g.
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# incorrect length or one of the 32-byte blocks does not represent a BLS
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# field element), it should error, i.e. the output should be null."
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if blobs.anyIt(it.isNone) or commitments.anyIt(it.isNone) or
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proofs.anyIt(it.isNone):
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check output.kind == JNull
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else:
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let v = verifyBlobKzgProofBatch(
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blobs.mapIt(it.get), commitments.mapIt(it.get), proofs.mapIt(it.get))
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check:
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if v.isErr:
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output.kind == JNull
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else:
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v.get == output.getBool
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proc runComputeKzgProofTest(suiteName, suitePath, path: string) =
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test "KZG - Compute KZG proof - " & path.relativePath(suitePath):
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let
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data = yaml.loadToJson(os_ops.readFile(path/"data.yaml"))[0]
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output = data["output"]
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blob = fromHex128K(data["input"]["blob"].getStr)
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z = fromHex32(data["input"]["z"].getStr)
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/tests/formats/kzg/compute_kzg_proof.md#condition
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# "If the blob is invalid (e.g. incorrect length or one of the 32-byte
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# blocks does not represent a BLS field element) or z is not a valid BLS
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# field element, it should error, i.e. the output should be null."
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if blob.isNone or z.isNone:
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check output.kind == JNull
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else:
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let p = computeKzgProof(blob.get, z.get)
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if p.isErr:
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check output.kind == JNull
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else:
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let
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proof = fromHex48(output[0].getStr)
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y = fromHex32(output[1].getStr)
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check:
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p.get.proof == proof.get
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p.get.y == y.get
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proc runComputeBlobKzgProofTest(suiteName, suitePath, path: string) =
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test "KZG - Compute blob KZG proof - " & path.relativePath(suitePath):
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let
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data = yaml.loadToJson(os_ops.readFile(path/"data.yaml"))[0]
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output = data["output"]
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blob = fromHex128K(data["input"]["blob"].getStr)
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commitment = fromHex48(data["input"]["commitment"].getStr)
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/tests/formats/kzg/compute_blob_kzg_proof.md#condition
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# If the blob is invalid (e.g. incorrect length or one of the 32-byte
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# blocks does not represent a BLS field element) it should error, i.e. the
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# output should be `null`.
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if blob.isNone or commitment.isNone:
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check output.kind == JNull
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else:
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let p = computeBlobKzgProof(blob.get, commitment.get)
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if p.isErr:
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check output.kind == JNull
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else:
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check p.get == fromHex48(output.getStr).get
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const suiteName = "EF - KZG"
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suite suiteName:
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const suitePath = SszTestsDir/"general"/"deneb"/"kzg"
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# TODO assert that only subdirectory is kzg-mainnet in each case and that all
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# maim directories (blob_to_kzg_commitment, etc) are covered
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block:
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let testsDir = suitePath/"blob_to_kzg_commitment"/"kzg-mainnet"
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for kind, path in walkDir(testsDir, relative = true, checkDir = true):
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# TODO Trying to access value with err Result [ResultDefect]
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if path == "blob_to_kzg_commitment_case_invalid_blob_59d64ff6b4648fad":
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continue
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runBlobToKzgCommitmentTest(suiteName, testsDir, testsDir/path)
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block:
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let testsDir = suitePath/"verify_kzg_proof"/"kzg-mainnet"
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for kind, path in walkDir(testsDir, relative = true, checkDir = true):
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runVerifyKzgProofTest(suiteName, testsDir, testsDir/path)
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block:
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let testsDir = suitePath/"verify_blob_kzg_proof"/"kzg-mainnet"
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for kind, path in walkDir(testsDir, relative = true, checkDir = true):
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runVerifyBlobKzgProofTest(suiteName, testsDir, testsDir/path)
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block:
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let testsDir = suitePath/"verify_blob_kzg_proof_batch"/"kzg-mainnet"
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for kind, path in walkDir(testsDir, relative = true, checkDir = true):
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runVerifyBlobKzgProofBatchTest(suiteName, testsDir, testsDir/path)
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block:
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let testsDir = suitePath/"compute_kzg_proof"/"kzg-mainnet"
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for kind, path in walkDir(testsDir, relative = true, checkDir = true):
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# TODO in both cases, it's not properly detecting invalid input and
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# creating an actual proof/y pair instead of an error
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if path in [
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"compute_kzg_proof_case_invalid_blob_59d64ff6b4648fad",
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"compute_kzg_proof_case_invalid_z_b30d81e81c1262b6"]:
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continue
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runComputeKzgProofTest(suiteName, testsDir, testsDir / path)
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block:
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let testsDir = suitePath/"compute_blob_kzg_proof"/"kzg-mainnet"
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for kind, path in walkDir(testsDir, relative = true, checkDir = true):
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# TODO in one case the same case as before, and maybe the invalid
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# commitment too
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if path in [
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"compute_blob_kzg_proof_case_invalid_blob_59d64ff6b4648fad",
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"compute_blob_kzg_proof_case_invalid_commitment_d070689c3e15444c"]:
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continue
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runComputeBlobKzgProofTest(suiteName, testsDir, testsDir / path)
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doAssert Kzg.freeTrustedSetup().isOk
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