Fix for gcc-14 issues in kzg-4844. (#6403)

* Bump nim-kzg4844.

* Fix code to use proper KZG types.

* Add missing coma.

* Fix compilation issue.

* Bump nim-kzg4844.

* Add debugging output.

* Remove debugging output.

* Restore groupBlobs function.

beacon_chain/el/el_manager.nim

@@ -491,9 +491,11 @@ func asConsensusType*(payload: engine_api.GetPayloadV3Response):
     # Both are defined as `array[N, byte]` under the hood.
     blobsBundle: deneb.BlobsBundle(
       commitments: KzgCommitments.init(
-        payload.blobsBundle.commitments.mapIt(it.bytes)),
+        payload.blobsBundle.commitments.mapIt(
+          kzg_abi.KzgCommitment(bytes: it.bytes))),
       proofs: KzgProofs.init(
-        payload.blobsBundle.proofs.mapIt(it.bytes)),
+        payload.blobsBundle.proofs.mapIt(
+          kzg_abi.KzgProof(bytes: it.bytes))),
       blobs: Blobs.init(
         payload.blobsBundle.blobs.mapIt(it.bytes))))
 
@@ -568,9 +570,11 @@ func asConsensusType*(payload: engine_api.GetPayloadV4Response):
     # Both are defined as `array[N, byte]` under the hood.
     blobsBundle: deneb.BlobsBundle(
       commitments: KzgCommitments.init(
-        payload.blobsBundle.commitments.mapIt(it.bytes)),
+        payload.blobsBundle.commitments.mapIt(
+          kzg_abi.KzgCommitment(bytes: it.bytes))),
       proofs: KzgProofs.init(
-        payload.blobsBundle.proofs.mapIt(it.bytes)),
+        payload.blobsBundle.proofs.mapIt(
+          kzg_abi.KzgProof(bytes: it.bytes))),
       blobs: Blobs.init(
         payload.blobsBundle.blobs.mapIt(it.bytes))))
 

beacon_chain/gossip_processing/block_processor.nim

@@ -186,7 +186,7 @@ proc storeBackfillBlock(
       let blobs = blobsOpt.get()
       let kzgCommits = signedBlock.message.body.blob_kzg_commitments.asSeq
       if blobs.len > 0 or kzgCommits.len > 0:
-        let r = validate_blobs(kzgCommits, blobs.mapIt(it.blob),
+        let r = validate_blobs(kzgCommits, blobs.mapIt(KzgBlob(bytes: it.blob)),
                                blobs.mapIt(it.kzg_proof))
         if r.isErr():
           debug "backfill blob validation failed",
@@ -578,7 +578,7 @@ proc storeBlock(
       let blobs = blobsOpt.get()
       let kzgCommits = signedBlock.message.body.blob_kzg_commitments.asSeq
       if blobs.len > 0 or kzgCommits.len > 0:
-        let r = validate_blobs(kzgCommits, blobs.mapIt(it.blob),
+        let r = validate_blobs(kzgCommits, blobs.mapIt(KzgBlob(bytes: it.blob)),
                                blobs.mapIt(it.kzg_proof))
         if r.isErr():
           debug "blob validation failed",

beacon_chain/gossip_processing/gossip_validation.nim

@@ -458,7 +458,7 @@ proc validateBlobSidecar*(
   # blob_sidecar.blob, blob_sidecar.kzg_commitment, blob_sidecar.kzg_proof)`.
   block:
     let ok = verifyProof(
-        blob_sidecar.blob,
+        KzgBlob(bytes: blob_sidecar.blob),
         blob_sidecar.kzg_commitment,
         blob_sidecar.kzg_proof).valueOr:
       return dag.checkedReject("BlobSidecar: blob verify failed")

beacon_chain/spec/datatypes/deneb.nim

@@ -528,7 +528,7 @@ func initHashedBeaconState*(s: BeaconState): HashedBeaconState =
   HashedBeaconState(data: s)
 
 func shortLog*(v: KzgCommitment | KzgProof): auto =
-  to0xHex(v)
+  to0xHex(v.bytes)
 
 func shortLog*(v: Blob): auto =
   to0xHex(v.toOpenArray(0, 31))

beacon_chain/spec/eth2_apis/eth2_rest_serialization.nim

@@ -1362,7 +1362,7 @@ proc readValue*(reader: var JsonReader[RestJson],
      value: var (KzgCommitment|KzgProof)) {.
      raises: [IOError, SerializationError].} =
   try:
-    hexToByteArray(reader.readValue(string), distinctBase(value))
+    hexToByteArray(reader.readValue(string), distinctBase(value.bytes))
   except ValueError:
     raiseUnexpectedValue(reader,
                          "KzgCommitment value should be a valid hex string")
@@ -1370,7 +1370,7 @@ proc readValue*(reader: var JsonReader[RestJson],
 proc writeValue*(
     writer: var JsonWriter[RestJson], value: KzgCommitment | KzgProof
 ) {.raises: [IOError].} =
-  writeValue(writer, hexOriginal(distinctBase(value)))
+  writeValue(writer, hexOriginal(distinctBase(value.bytes)))
 
 ## GraffitiBytes
 proc writeValue*(

beacon_chain/spec/state_transition_block.nim

@@ -1085,7 +1085,7 @@ func kzg_commitment_to_versioned_hash*(
 
   var res: VersionedHash
   res[0] = VERSIONED_HASH_VERSION_KZG
-  res[1 .. 31] = eth2digest(kzg_commitment).data.toOpenArray(1, 31)
+  res[1 .. 31] = eth2digest(kzg_commitment.bytes).data.toOpenArray(1, 31)
   res
 
 proc validate_blobs*(

beacon_chain/validators/message_router.nim

@@ -117,8 +117,10 @@ proc routeSignedBeaconBlock*(
         let blobs = blobsOpt.get()
         let kzgCommits = blck.message.body.blob_kzg_commitments.asSeq
         if blobs.len > 0 or kzgCommits.len > 0:
-          let res = validate_blobs(kzgCommits, blobs.mapIt(it.blob),
-                                   blobs.mapIt(it.kzg_proof))
+          let res = validate_blobs(
+            kzgCommits,
+            blobs.mapIt(KzgBlob(bytes: it.blob)),
+            blobs.mapIt(it.kzg_proof))
           if res.isErr():
             warn "blobs failed validation",
               blockRoot = shortLog(blck.root),

beacon_chain/validators/message_router_mev.nim

@@ -129,7 +129,7 @@ proc unblindAndRouteBlockMEV*(
           bundle.data.blobs_bundle.commitments:
         return err("unblinded blobs bundle has unexpected commitments")
       let ok = verifyProofs(
-          asSeq blobs_bundle.blobs,
+          blobs_bundle.blobs.mapIt(KzgBlob(bytes: it)),
           asSeq blobs_bundle.commitments,
           asSeq blobs_bundle.proofs).valueOr:
         return err("unblinded blobs bundle fails verification")

tests/consensus_spec/test_fixture_fork_choice.nim

@@ -136,7 +136,8 @@ proc loadOps(
                   blobs: distinctBase(parseTest(
                     path/(step["blobs"].getStr()) & ".ssz_snappy",
                     SSZ, List[KzgBlob, Limit MAX_BLOBS_PER_BLOCK])),
-                  proofs: step["proofs"].mapIt(KzgProof.fromHex(it.getStr())))
+                  proofs: step["proofs"].mapIt(
+                    KzgProof(bytes: fromHex(array[48, byte], it.getStr()))))
               else:
                 Opt.none(BlobData)
             else:
@@ -407,4 +408,4 @@ from ../../beacon_chain/conf import loadKzgTrustedSetup
 discard loadKzgTrustedSetup()  # Required for Deneb tests
 
 fcSuite("ForkChoice", "fork_choice")
-fcSuite("Sync", "sync")
+fcSuite("Sync", "sync")

tests/consensus_spec/test_fixture_kzg.nim

@@ -50,12 +50,12 @@ proc runBlobToKzgCommitmentTest(suiteName, suitePath, path: string) =
     if blob.isNone:
       check output.kind == JNull
     else:
-      let commitment = blobToKzgCommitment(blob.get)
+      let commitment = blobToKzgCommitment(KzgBlob(bytes: blob.get))
       check:
         if commitment.isErr:
           output.kind == JNull
         else:
-          commitment.get == fromHex[48](output.getStr).get
+          commitment.get().bytes == fromHex[48](output.getStr).get
 
 proc runVerifyKzgProofTest(suiteName, suitePath, path: string) =
   let relativePathComponent = path.relativeTestPathComponent(suitePath)
@@ -75,7 +75,10 @@ proc runVerifyKzgProofTest(suiteName, suitePath, path: string) =
     if commitment.isNone or z.isNone or y.isNone or proof.isNone:
       check output.kind == JNull
     else:
-      let v = verifyProof(commitment.get, z.get, y.get, proof.get)
+      let v = verifyProof(
+        KzgCommitment(bytes: commitment.get),
+        KzgBytes32(bytes: z.get), KzgBytes32(bytes: y.get),
+        KzgBytes48(bytes: proof.get))
       check:
         if v.isErr:
           output.kind == JNull
@@ -100,7 +103,10 @@ proc runVerifyBlobKzgProofTest(suiteName, suitePath, path: string) =
     if blob.isNone or commitment.isNone or proof.isNone:
       check output.kind == JNull
     else:
-      let v = verifyBlobKzgProof(blob.get, commitment.get, proof.get)
+      let v = verifyBlobKzgProof(
+        KzgBlob(bytes: blob.get),
+        KzgBytes48(bytes: commitment.get),
+        KzgBytes48(bytes: proof.get))
       check:
         if v.isErr:
           output.kind == JNull
@@ -127,7 +133,9 @@ proc runVerifyBlobKzgProofBatchTest(suiteName, suitePath, path: string) =
       check output.kind == JNull
     else:
       let v = verifyBlobKzgProofBatch(
-        blobs.mapIt(it.get), commitments.mapIt(it.get), proofs.mapIt(it.get))
+        blobs.mapIt(KzgBlob(bytes: it.get)),
+        commitments.mapIt(KzgCommitment(bytes: it.get)),
+        proofs.mapIt(KzgProof(bytes: it.get)))
       check:
         if v.isErr:
           output.kind == JNull
@@ -150,7 +158,8 @@ proc runComputeKzgProofTest(suiteName, suitePath, path: string) =
     if blob.isNone or z.isNone:
       check output.kind == JNull
     else:
-      let p = computeKzgProof(blob.get, z.get)
+      let p = computeKzgProof(
+        KzgBlob(bytes: blob.get), KzgBytes32(bytes: z.get))
       if p.isErr:
         check output.kind == JNull
       else:
@@ -158,8 +167,8 @@ proc runComputeKzgProofTest(suiteName, suitePath, path: string) =
           proof = fromHex[48](output[0].getStr)
           y = fromHex[32](output[1].getStr)
         check:
-          p.get.proof == proof.get
-          p.get.y == y.get
+          p.get.proof.bytes == proof.get
+          p.get.y.bytes == y.get
 
 proc runComputeBlobKzgProofTest(suiteName, suitePath, path: string) =
   let relativePathComponent = path.relativeTestPathComponent(suitePath)
@@ -177,11 +186,12 @@ proc runComputeBlobKzgProofTest(suiteName, suitePath, path: string) =
     if blob.isNone or commitment.isNone:
       check output.kind == JNull
     else:
-      let p = computeBlobKzgProof(blob.get, commitment.get)
+      let p = computeBlobKzgProof(
+        KzgBlob(bytes: blob.get), KzgBytes48(bytes: commitment.get))
       if p.isErr:
         check output.kind == JNull
       else:
-        check p.get == fromHex[48](output.getStr).get
+        check p.get.bytes == fromHex[48](output.getStr).get
 
 from std/algorithm import sorted
 
@@ -227,4 +237,4 @@ suite suiteName:
     for kind, path in walkDir(testsDir, relative = true, checkDir = true):
       runComputeBlobKzgProofTest(suiteName, testsDir, testsDir / path)
 
-doAssert Kzg.freeTrustedSetup().isOk
+doAssert Kzg.freeTrustedSetup().isOk

tests/test_rest_json_serialization.nim

@@ -213,7 +213,7 @@ from stew/byteutils import hexToByteArray
 func fromHex(T: typedesc[KzgCommitment], s: string): T {.
      raises: [ValueError].} =
   var res: T
-  hexToByteArray(s, res)
+  hexToByteArray(s, res.bytes)
   res
 
 suite "REST JSON encoding and decoding":
@@ -353,4 +353,4 @@ suite "REST JSON encoding and decoding":
     check:
       validator.pubkey == ValidatorPubKey.fromHex(
         "0x933ad9491b62059dd065b560d256d8957a8c402cc6e8d8ee7290ae11e8f7329267a8811c397529dac52ae1342ba58c95")[]
-      validator.exit_epoch == FAR_FUTURE_EPOCH
+      validator.exit_epoch == FAR_FUTURE_EPOCH

vendor/nim-kzg4844

@@ -1 +1 @@
-Subproject commit f12616d0675d9f6346141ca95f0840ab227eb213
+Subproject commit 2f5cee7bea0d62e2b502ff668f752bda7f3eb0c4