remove some debugRaiseAsserts and fill in Electra functionality (#6179)

beacon_chain/consensus_object_pools/blockchain_dag.nim

@@ -1005,8 +1005,11 @@ proc applyBlock(
       dag.cfg, state, data, cache, info,
       dag.updateFlags + {slotProcessed}, noRollback)
   of ConsensusFork.Electra:
-    debugRaiseAssert "electra applyblock missing"
-    return ok()
+    let data = getBlock(dag, bid, electra.TrustedSignedBeaconBlock).valueOr:
+      return err("Block load failed")
+    ? state_transition(
+      dag.cfg, state, data, cache, info,
+      dag.updateFlags + {slotProcessed}, noRollback)
 
   ok()
 

beacon_chain/consensus_object_pools/consensus_manager.nim

@@ -380,9 +380,9 @@ proc runProposalForkchoiceUpdated*(
         debug "Fork-choice updated for proposal", status
 
       static: doAssert high(ConsensusFork) == ConsensusFork.Electra
-      when consensusFork >= ConsensusFork.Electra:
-        debugRaiseAssert "foobar"
-      elif consensusFork >= ConsensusFork.Deneb:
+      when consensusFork >= ConsensusFork.Deneb:
+        # https://github.com/ethereum/execution-apis/blob/90a46e9137c89d58e818e62fa33a0347bba50085/src/engine/prague.md
+        # does not define any new forkchoiceUpdated, so reuse V3 from Dencun
         callForkchoiceUpdated(PayloadAttributesV3(
           timestamp: Quantity timestamp,
           prevRandao: FixedBytes[32] randomData,

beacon_chain/el/el_manager.nim

@@ -794,7 +794,10 @@ proc getPayloadFromSingleEL(
             prevRandao: FixedBytes[32] randomData.data,
             suggestedFeeRecipient: suggestedFeeRecipient,
             withdrawals: withdrawals))
-      elif GetPayloadResponseType is engine_api.GetPayloadV3Response:
+      elif  GetPayloadResponseType is engine_api.GetPayloadV3Response or
+            GetPayloadResponseType is engine_api.GetPayloadV4Response:
+        # https://github.com/ethereum/execution-apis/blob/90a46e9137c89d58e818e62fa33a0347bba50085/src/engine/prague.md
+        # does not define any new forkchoiceUpdated, so reuse V3 from Dencun
         let response = await rpcClient.forkchoiceUpdated(
           ForkchoiceStateV1(
             headBlockHash: headBlock.asBlockHash,
@@ -806,9 +809,6 @@ proc getPayloadFromSingleEL(
             suggestedFeeRecipient: suggestedFeeRecipient,
             withdrawals: withdrawals,
             parentBeaconBlockRoot: consensusHead.asBlockHash))
-      elif GetPayloadResponseType is engine_api.GetPayloadV4Response:
-        debugRaiseAssert "electra"
-        let response = default(ForkchoiceUpdatedResponse)
       else:
         static: doAssert false
 

beacon_chain/nimbus_signing_node.nim

@@ -238,8 +238,7 @@ proc installApiHandlers*(node: SigningNodeRef) =
           of ConsensusFork.Deneb:
             (GeneralizedIndex(801), request.beaconBlockHeader.data)
           of ConsensusFork.Electra:
-            debugRaiseAssert "electra signing node missing"
-            (GeneralizedIndex(801*42), request.beaconBlockHeader.data)
+            (GeneralizedIndex(801), request.beaconBlockHeader.data)
 
         if request.proofs.isNone() or len(request.proofs.get()) == 0:
           return errorResponse(Http400, MissingMerkleProofError)

beacon_chain/spec/eth2_apis/eth2_rest_serialization.nim

@@ -3525,8 +3525,16 @@ proc decodeBody*(
                                            [version, $exc.msg]))
       ok(RestPublishedSignedBeaconBlock(ForkedSignedBeaconBlock.init(blck)))
     of ConsensusFork.Electra:
-      debugRaiseAssert "electra"
-      return err(RestErrorMessage.init(Http400, UnexpectedDecodeError))
+      let blck =
+        try:
+          SSZ.decode(body.data, electra.SignedBeaconBlock)
+        except SerializationError as exc:
+          return err(RestErrorMessage.init(Http400, UnableDecodeError,
+                                           [version, exc.formatMsg("<data>")]))
+        except CatchableError as exc:
+          return err(RestErrorMessage.init(Http400, UnexpectedDecodeError,
+                                           [version, $exc.msg]))
+      ok(RestPublishedSignedBeaconBlock(ForkedSignedBeaconBlock.init(blck)))
   else:
     err(RestErrorMessage.init(Http415, "Invalid content type",
                               [version, $body.contentType]))

beacon_chain/spec/forks.nim

@@ -412,7 +412,9 @@ template BeaconState*(kind: static ConsensusFork): auto =
     static: raiseAssert "Unreachable"
 
 template BeaconBlock*(kind: static ConsensusFork): auto =
-  when kind == ConsensusFork.Deneb:
+  when kind == ConsensusFork.Electra:
+    typedesc[electra.BeaconBlock]
+  elif kind == ConsensusFork.Deneb:
     typedesc[deneb.BeaconBlock]
   elif kind == ConsensusFork.Capella:
     typedesc[capella.BeaconBlock]

beacon_chain/spec/state_transition.nim

@@ -295,10 +295,7 @@ proc state_transition_block*(
   doAssert not rollback.isNil, "use noRollback if it's ok to mess up state"
 
   let res = withState(state):
-    when consensusFork == ConsensusFork.Electra:
-      debugRaiseAssert "electra state_transition_block"
-      err("no")
-    elif consensusFork == type(signedBlock).kind:
+    when consensusFork == type(signedBlock).kind:
       state_transition_block_aux(cfg, forkyState, signedBlock, cache, flags)
     else:
       err("State/block fork mismatch")
@@ -383,6 +380,8 @@ func partialBeaconBlock*(
   when consensusFork >= ConsensusFork.Deneb:
     res.body.blob_kzg_commitments = execution_payload.blobsBundle.commitments
 
+  debugRaiseAssert "check for new fields or conditions to ensure in electra"
+
   res
 
 proc makeBeaconBlockWithRewards*(
@@ -486,7 +485,9 @@ proc makeBeaconBlockWithRewards*(
     of ConsensusFork.Deneb:     makeBeaconBlock(deneb)
     else: raiseAssert "Attempt to use Deneb payload with non-Deneb state"
   elif payloadFork == ConsensusFork.Electra:
-    debugRaiseAssert "Electra block production missing"
+    case state.kind
+    of ConsensusFork.Electra:     makeBeaconBlock(electra)
+    else: raiseAssert "Attempt to use Electra payload with non-Electra state"
   else:
     {.error: "Unsupported fork".}
 

beacon_chain/spec/state_transition_block.nim

@@ -1025,9 +1025,9 @@ proc process_block*(
     total_active_balance = get_total_active_balance(state, cache)
     base_reward_per_increment =
       get_base_reward_per_increment(total_active_balance)
-    operations_rewards = ? process_operations(
+  var operations_rewards = ? process_operations(
     cfg, state, blck.body, base_reward_per_increment, flags, cache)
-  ? process_sync_aggregate(
+  operations_rewards.sync_aggregate = ? process_sync_aggregate(
     state, blck.body.sync_aggregate, total_active_balance, flags, cache)
 
   ok(operations_rewards)