diff --git a/hive_integration/nodocker/engine/cancun/blobs.nim b/hive_integration/nodocker/engine/cancun/blobs.nim
index 1e59b962c..9052a1b62 100644
--- a/hive_integration/nodocker/engine/cancun/blobs.nim
+++ b/hive_integration/nodocker/engine/cancun/blobs.nim
@@ -81,7 +81,7 @@ func verifyBlob*(blobId: BlobID, blob: kzg.KzgBlob): bool =
 
   return true
 
-proc fillBlob(blobid: BlobID): KzgBlob =
+proc fillBlob(blobId: BlobID): KzgBlob =
   if blobId == 0:
     # Blob zero is empty blob, so leave as is
     return
diff --git a/hive_integration/nodocker/engine/cancun/step_newpayloads.nim b/hive_integration/nodocker/engine/cancun/step_newpayloads.nim
index 012df10d1..fcebff16f 100644
--- a/hive_integration/nodocker/engine/cancun/step_newpayloads.nim
+++ b/hive_integration/nodocker/engine/cancun/step_newpayloads.nim
@@ -131,9 +131,9 @@ proc verifyBlobBundle(step: NewPayloads,
       proofs=len(blobBundle.proofs),
       kzgs=len(blobBundle.commitments)
     return false
-
+    
   if len(blobBundle.blobs) != step.expectedIncludedBlobCount:
-    error "expected",
+    error "expected blobs",
       expect=step.expectedIncludedBlobCount,
       get=len(blobBundle.blobs)
     return false
@@ -168,9 +168,7 @@ proc verifyBlobBundle(step: NewPayloads,
     for expectedBlob in step.expectedBlobs:
       var found = false
       for blobData in blobDataInPayload:
-        if not expectedBlob.verifyBlob(blobData.blob):
-          return false
-        else:
+        if expectedBlob.verifyBlob(blobData.blob):
           found = true
           break
 
diff --git a/hive_integration/nodocker/engine/cancun_tests.nim b/hive_integration/nodocker/engine/cancun_tests.nim
index f66a1c7c7..a71f463d4 100644
--- a/hive_integration/nodocker/engine/cancun_tests.nim
+++ b/hive_integration/nodocker/engine/cancun_tests.nim
@@ -19,7 +19,7 @@ import
 
 # Precalculate the first data gas cost increase
 const
-  DATA_GAS_COST_INCREMENT_EXCEED_BLOBS = getMinExcessBlobsForBlobGasPrice(2)
+  DATA_GAS_COST_INCREMENT_EXCEED_BLOBS = getMinExcessBlobsForBlobGasPrice(2).int
   TARGET_BLOBS_PER_BLOCK = int(TARGET_BLOB_GAS_PER_BLOCK div GAS_PER_BLOB)
 
 proc getGenesis(param: NetworkParams) =
@@ -56,7 +56,7 @@ proc specExecute(ws: BaseSpec): bool =
 
   result = true
   for stepId, step in cs.testSequence:
-    echo "INFO: Executing step", stepId+1, ": ", step.description()
+    echo "INFO: Executing step ", stepId+1, ": ", step.description()
     if not step.execute(blobTestCtx):
       fatal "FAIL: Error executing", step=stepId+1
       result = false
@@ -100,7 +100,7 @@ let cancunTestList* = [
         # We create the first payload, and verify that the blob transactions
         # are included in the payload.
         # We also verify that the blob transactions are included in the blobs bundle.
-        #[NewPayloads(
+        NewPayloads(
           expectedIncludedBlobCount: TARGET_BLOBS_PER_BLOCK,
           expectedBlobs:             getBlobList(0, TARGET_BLOBS_PER_BLOCK),
         ),
@@ -128,7 +128,7 @@ let cancunTestList* = [
         # But it will be included in the next payload
         NewPayloads(
           expectedIncludedBlobCount: MAX_BLOBS_PER_BLOCK,
-        ),]#
+        ),
       ]
     )
   ),
diff --git a/hive_integration/nodocker/engine/clmock.nim b/hive_integration/nodocker/engine/clmock.nim
index 81a845387..d6b88d950 100644
--- a/hive_integration/nodocker/engine/clmock.nim
+++ b/hive_integration/nodocker/engine/clmock.nim
@@ -332,26 +332,19 @@ proc getNextPayload(cl: CLMocker): bool =
 
   return true
 
-func versionedHashes(bb: BlobsBundleV1): seq[Web3Hash] =
-  #doAssert(bb.commitments.len > 0)
-  result = newSeqOfCap[BlockHash](bb.commitments.len)
-
-  for com in bb.commitments:
-    var h = keccakHash(com.bytes)
-    h.data[0] = VERSIONED_HASH_VERSION_KZG
-    result.add w3Hash h
+func versionedHashes(payload: ExecutionPayload): seq[Web3Hash] =
+  result = newSeqOfCap[BlockHash](payload.transactions.len)
+  for x in payload.transactions:
+    let tx = rlp.decode(distinctBase(x), Transaction)
+    for vs in tx.versionedHashes:
+      result.add w3Hash vs
 
 proc broadcastNewPayload(cl: CLMocker, payload: ExecutionPayload): Result[PayloadStatusV1, string] =
-  var versionedHashes: seq[Web3Hash]
-  if cl.latestBlobsBundle.isSome:
-    # Broadcast the blob bundle to all clients
-    versionedHashes = versionedHashes(cl.latestBlobsBundle.get)
-
   case payload.version
   of Version.V1: return cl.client.newPayloadV1(payload.V1)
   of Version.V2: return cl.client.newPayloadV2(payload.V2)
   of Version.V3: return cl.client.newPayloadV3(payload.V3,
-    versionedHashes,
+    versionedHashes(payload),
     cl.latestPayloadAttributes.parentBeaconBlockRoot.get)
 
 proc broadcastNextNewPayload(cl: CLMocker): bool =
diff --git a/hive_integration/nodocker/engine/engine_env.nim b/hive_integration/nodocker/engine/engine_env.nim
index 481139789..80b3156af 100644
--- a/hive_integration/nodocker/engine/engine_env.nim
+++ b/hive_integration/nodocker/engine/engine_env.nim
@@ -97,7 +97,7 @@ proc newEngineEnv*(conf: var NimbusConf, chainFile: string, enableAuth: bool): E
   let
     hooks  = if enableAuth: @[httpJwtAuth(key)]
              else: @[]
-    server = newRpcHttpServer(["127.0.0.1:" & $conf.rpcPort], hooks)
+    server = newRpcHttpServerWithParams("127.0.0.1:" & $conf.rpcPort, hooks)
     sealer = SealingEngineRef.new(
               chain, ctx, conf.engineSigner,
               txPool, EngineStopped)
diff --git a/hive_integration/nodocker/engine/tx_sender.nim b/hive_integration/nodocker/engine/tx_sender.nim
index b29e889d8..eba447346 100644
--- a/hive_integration/nodocker/engine/tx_sender.nim
+++ b/hive_integration/nodocker/engine/tx_sender.nim
@@ -248,7 +248,7 @@ proc makeTx*(params: MakeTxParams, tc: BlobTx): Transaction =
                 else: gasTipPrice
 
   let unsignedTx = Transaction(
-    txType    : TxEIP4844,
+    txType    : TxEip4844,
     chainId   : params.chainId,
     nonce     : params.nonce,
     maxPriorityFee: gasTipCap,