diff --git a/p2p/proto/block.proto b/p2p/proto/block.proto
index d8e30dd..46c19fb 100644
--- a/p2p/proto/block.proto
+++ b/p2p/proto/block.proto
@@ -14,7 +14,7 @@ message Signatures {
 // Note: commitments may change to be for the previous blocks like comet/tendermint
 // hash of block header sent to L1
 message BlockHeader {
-    Hash                      parent_header     = 1;
+    Hash                      parent_hash       = 1;
     uint64                    number            = 2;
     google.protobuf.Timestamp time              = 3;   // TODO: see if this needs to be Felt252 or can be converted
     Address                   sequencer_address = 4;
@@ -29,6 +29,8 @@ message BlockHeader {
     Merkle                    transactions      = 8;   // By order of execution. TBD: required? the client can execute (powerful machine) and match state diff
     Merkle                    events            = 9;   // By order of issuance. TBD: in receipts?
     Merkle                    receipts          = 10;  // By order of issuance.
+    string                    protocol_version  = 11; // Starknet version
+    Felt252                   gas_price         = 12;
 }
 
 message BlockProof {
@@ -45,6 +47,8 @@ message NewBlock {
     }
 }
 
+// Requests a peer's CurrentBlockHeader
+message CurrentBlockHeaderRequest {}
 
 // result is (BlockHeader, Signature?)* in order of creation (incr/dec)
 message BlockHeadersRequest {
diff --git a/p2p/proto/event.proto b/p2p/proto/event.proto
index 1528f8d..00cb57d 100644
--- a/p2p/proto/event.proto
+++ b/p2p/proto/event.proto
@@ -2,9 +2,10 @@ syntax = "proto3";
 import "p2p/proto/common.proto";
 
 message Event {
-    Felt252  from_address = 1;
-    repeated Felt252 keys = 2;
-    repeated Felt252 data = 3;
+    Hash transaction_hash = 1;
+    Felt252  from_address = 2;
+    repeated Felt252 keys = 3;
+    repeated Felt252 data = 4;
 }
 
 message EventsRequest {
diff --git a/p2p/proto/receipt.proto b/p2p/proto/receipt.proto
index f22ff09..74e36d8 100644
--- a/p2p/proto/receipt.proto
+++ b/p2p/proto/receipt.proto
@@ -29,6 +29,7 @@ message Receipt {
       uint32 range_check = 5;
       uint32 poseidon    = 6;
       uint32 keccak      = 7;
+      uint32 output      = 8;
     }
 
     BuiltinCounter builtins     = 1;
@@ -37,11 +38,12 @@ message Receipt {
   }
 
   message Common {
-    Hash               transaction_hash          = 1;
-    Felt252            actual_fee                = 2;
-    repeated           MessageToL1 messages_sent = 3;
-    ExecutionResources execution_resources       = 4;
-    string             revert_reason             = 5;
+    Hash               transaction_hash              = 1;
+    Felt252            actual_fee                    = 2;
+    repeated           MessageToL1 messages_sent     = 3;
+    ExecutionResources execution_resources           = 4;
+    string             revert_reason                 = 5;
+    optional           MessageToL2 consumed_message  = 6;
   }
 
 
@@ -68,7 +70,7 @@ message Receipt {
     Felt252 contract_address = 2;
   }
 
-  oneof receipt {
+  oneof type {
     Invoke        invoke            = 1;
     L1Handler     l1_handler        = 2;
     Declare       declare           = 3;
diff --git a/p2p/proto/state.proto b/p2p/proto/state.proto
index 4ed9e49..9415db6 100644
--- a/p2p/proto/state.proto
+++ b/p2p/proto/state.proto
@@ -18,8 +18,15 @@ message StateDiff
         repeated ContractStoredValue values = 4;
     }
 
+    message ContractAddrToClassHash {
+        Address contract_addr = 1;
+        Hash    class_hash    = 2;
+    }
+
     uint32   domain                      = 1;  // volition state domain
     repeated ContractDiff contract_diffs = 2;
+    repeated ContractAddrToClassHash replaced_classes   = 3;
+    repeated ContractAddrToClassHash deployed_contracts = 4;
 }
 
 message EntryPoint {