latest EIP-6493 changes: switch to vector based fees

Consolidate fees in vectors.

beacon_chain/el/el_manager.nim

@@ -518,11 +518,21 @@ func asConsensusType*(rpcExecutionPayload: ExecutionPayloadV4):
             Opt.some(tt.payload.nonce.get.uint64)
           else:
             Opt.none(uint64),
-        max_fee_per_gas:
+        max_fees_per_gas:
-          if tt.payload.maxFeePerGas.isSome:
+          if tt.payload.maxFeesPerGas.isSome:
-            Opt.some(tt.payload.maxFeePerGas.get)
+            Opt.some(Eip6493FeesPerGas(
+              regular:
+                if tt.payload.maxFeesPerGas.get.regular.isSome:
+                  Opt.some(tt.payload.maxFeesPerGas.get.regular.get)
                 else:
-            Opt.none(UInt256),
+                  Opt.none(Uint256),
+              blob:
+                if tt.payload.maxFeesPerGas.get.blob.isSome:
+                  Opt.some(tt.payload.maxFeesPerGas.get.blob.get)
+                else:
+                  Opt.none(Uint256)))
+          else:
+            Opt.none(Eip6493FeesPerGas),
         gas:
           if tt.payload.gas.isSome:
             Opt.some(tt.payload.gas.get.uint64)
@@ -556,16 +566,21 @@ func asConsensusType*(rpcExecutionPayload: ExecutionPayloadV4):
                         Eth2Digest(data: distinctBase(it))))))))
           else:
             Opt.none(List[Eip6493AccessTuple, Limit MAX_ACCESS_LIST_SIZE]),
-        max_priority_fee_per_gas:
+        max_priority_fees_per_gas:
-          if tt.payload.maxPriorityFeePerGas.isSome:
+          if tt.payload.maxPriorityFeesPerGas.isSome:
-            Opt.some(tt.payload.maxPriorityFeePerGas.get)
+            Opt.some(Eip6493FeesPerGas(
+              regular:
+                if tt.payload.maxPriorityFeesPerGas.get.regular.isSome:
+                  Opt.some(tt.payload.maxPriorityFeesPerGas.get.regular.get)
                 else:
-            Opt.none(UInt256),
+                  Opt.none(Uint256),
-        max_fee_per_blob_gas:
+              blob:
-          if tt.payload.maxFeePerBlobGas.isSome:
+                if tt.payload.maxPriorityFeesPerGas.get.blob.isSome:
-            Opt.some(tt.payload.maxFeePerBlobGas.get)
+                  Opt.some(tt.payload.maxPriorityFeesPerGas.get.blob.get)
                 else:
-            Opt.none(UInt256),
+                  Opt.none(Uint256)))
+          else:
+            Opt.none(Eip6493FeesPerGas),
         blob_versioned_hashes:
           if tt.payload.blobVersionedHashes.isSome:
             Opt.some(
@@ -749,11 +764,21 @@ func asEngineExecutionPayload*(executionPayload: electra.ExecutionPayload):
             options.some(tt.payload.nonce.get.Quantity)
           else:
             options.none(Quantity),
-        maxFeePerGas:
+        maxFeesPerGas:
-          if tt.payload.max_fee_per_gas.isSome:
+          if tt.payload.max_fees_per_gas.isSome:
-            options.some(tt.payload.max_fee_per_gas.get)
+            options.some(engine_api_types.TransactionFeesPerGas(
+              regular:
+                if tt.payload.max_fees_per_gas.get.regular.isSome:
+                  options.some(tt.payload.max_fees_per_gas.get.regular.get)
                 else:
                   options.none(UInt256),
+              blob:
+                if tt.payload.max_fees_per_gas.get.blob.isSome:
+                  options.some(tt.payload.max_fees_per_gas.get.blob.get)
+                else:
+                  options.none(UInt256)))
+          else:
+            options.none(engine_api_types.TransactionFeesPerGas),
         gas:
           if tt.payload.gas.isSome:
             options.some(tt.payload.gas.get.Quantity)
@@ -783,16 +808,23 @@ func asEngineExecutionPayload*(executionPayload: electra.ExecutionPayload):
                   .mapIt(FixedBytes[32](it.data)))))
           else:
             options.none(seq[AccessTuple]),
-        maxPriorityFeePerGas:
+        maxPriorityFeesPerGas:
-          if tt.payload.max_priority_fee_per_gas.isSome:
+          if tt.payload.max_priority_fees_per_gas.isSome:
-            options.some(tt.payload.max_priority_fee_per_gas.get)
+            options.some(engine_api_types.TransactionFeesPerGas(
+              regular:
+                if tt.payload.max_priority_fees_per_gas.get.regular.isSome:
+                  options.some(
+                    tt.payload.max_priority_fees_per_gas.get.regular.get)
                 else:
                   options.none(UInt256),
-        maxFeePerBlobGas:
+              blob:
-          if tt.payload.max_fee_per_blob_gas.isSome:
+                if tt.payload.max_priority_fees_per_gas.get.blob.isSome:
-            options.some(tt.payload.max_fee_per_blob_gas.get)
+                  options.some(
+                    tt.payload.max_priority_fees_per_gas.get.blob.get)
                 else:
-            options.none(UInt256),
+                  options.none(UInt256)))
+          else:
+            options.none(engine_api_types.TransactionFeesPerGas),
         blobVersionedHashes:
           if tt.payload.blob_versioned_hashes.isSome:
             options.some(distinctBase(tt.payload.blob_versioned_hashes.get)

beacon_chain/spec/datatypes/electra.nim

@@ -56,6 +56,12 @@ const
 type
   ChainId* = uint64
 
+  Eip6493FeesPerGas* {.sszStableContainer: 16.} = object
+    regular*: Opt[UInt256]
+
+    # EIP-4844
+    blob*: Opt[UInt256]
+
   Eip6493AccessTuple* = object
     address*: ExecutionAddress
     storage_keys*: List[Eth2Digest, Limit MAX_ACCESS_LIST_STORAGE_KEYS]
@@ -68,7 +74,7 @@ type
     chain_id*: Opt[ChainId]
 
     nonce*: Opt[uint64]
-    max_fee_per_gas*: Opt[UInt256]
+    max_fees_per_gas*: Opt[Eip6493FeesPerGas]
     gas*: Opt[uint64]
     to*: Opt[ExecutionAddress]
     value*: Opt[UInt256]
@@ -78,10 +84,9 @@ type
     access_list*: Opt[List[Eip6493AccessTuple, Limit MAX_ACCESS_LIST_SIZE]]
 
     # EIP-1559
-    max_priority_fee_per_gas*: Opt[UInt256]
+    max_priority_fees_per_gas*: Opt[Eip6493FeesPerGas]
 
     # EIP-4844
-    max_fee_per_blob_gas*: Opt[UInt256]
     blob_versioned_hashes*:
       Opt[List[deneb.VersionedHash, Limit MAX_BLOB_COMMITMENTS_PER_BLOCK]]
 

beacon_chain/spec/eth2_apis/eth2_rest_serialization.nim

@@ -69,6 +69,7 @@ RestJson.useDefaultSerializationFor(
   DepositTreeSnapshot,
   DistributedKeystoreInfo,
   Eip6493AccessTuple,
+  Eip6493FeesPerGas,
   Eip6493Transaction,
   Eip6493TransactionPayload,
   Eip6493TransactionSignature,

vendor/nim-web3

@@ -1 +1 @@
-Subproject commit bf5e6aa63357bd6a099d0e2b0b5dc5c8865984d9
+Subproject commit 2e4c259d1bc6debc80ceff611e1ff6071af89ea9