diff --git a/rpc/types_event.go b/rpc/types_event.go
index 04285ae6..ab5a0341 100644
--- a/rpc/types_event.go
+++ b/rpc/types_event.go
@@ -23,9 +23,9 @@ type EventChunk struct {
 type EmittedEvent struct {
 	Event
 	// BlockHash the hash of the block in which the event was emitted
-	BlockHash *felt.Felt `json:"block_hash"`
+	BlockHash *felt.Felt `json:"block_hash,omitempty"`
 	// BlockNumber the number of the block in which the event was emitted
-	BlockNumber uint64 `json:"block_number"`
+	BlockNumber uint64 `json:"block_number,omitempty"`
 	// TransactionHash the transaction that emitted the event
 	TransactionHash *felt.Felt `json:"transaction_hash"`
 }
diff --git a/rpc/types_trace.go b/rpc/types_trace.go
index 5c84c22a..3a98588c 100644
--- a/rpc/types_trace.go
+++ b/rpc/types_trace.go
@@ -65,6 +65,7 @@ type DeployAccountTxnTrace struct {
 type L1HandlerTxnTrace struct {
 	//the trace of the __execute__ call or constructor call, depending on the transaction type (none for declare transactions)
 	FunctionInvocation FnInvocation    `json:"function_invocation"`
+	StateDiff          StateDiff       `json:"state_diff"`
 	Type               TransactionType `json:"type"`
 }
 
@@ -79,8 +80,9 @@ const (
 type CallType string
 
 const (
-	LibraryCall CallType = "LIBRARY_CALL"
-	Call        CallType = "CALL"
+	CallTypeLibraryCall CallType = "LIBRARY_CALL"
+	CallTypeCall        CallType = "CALL"
+	CallTypeDelegate    CallType = "DELEGATE"
 )
 
 type FnInvocation struct {
@@ -107,6 +109,9 @@ type FnInvocation struct {
 
 	// The messages sent by this invocation to L1
 	L1Messages []OrderedMsg `json:"messages"`
+
+	// Resources consumed by the internal call
+	ExecutionResources ExecutionResources `json:"execution_resources"`
 }
 
 // A single pair of transaction hash and corresponding trace
diff --git a/rpc/types_transaction_receipt.go b/rpc/types_transaction_receipt.go
index 50d37eda..7b35d2ad 100644
--- a/rpc/types_transaction_receipt.go
+++ b/rpc/types_transaction_receipt.go
@@ -2,7 +2,6 @@ package rpc
 
 import (
 	"encoding/json"
-	"errors"
 	"fmt"
 	"strconv"
 
@@ -382,41 +381,17 @@ type ExecutionResources struct {
 	// The number of KECCAK builtin instances
 	KeccakApps int `json:"keccak_builtin_applications,omitempty"`
 	// The number of accesses to the segment arena
-	SegmentArena int `json:"segment_arena_builtin,omitempty"`
+	SegmentArenaBuiltin int `json:"segment_arena_builtin,omitempty"`
 }
 
-func (er *ExecutionResources) Validate() error {
-	if er.Steps == 0 {
-		return errors.New("steps cannot be zero")
+// Validate checks if the fields are non-zero (to match the starknet-specs)
+func (er *ExecutionResources) Validate() bool {
+	if er.Steps == 0 || er.MemoryHoles == 0 || er.RangeCheckApps == 0 || er.PedersenApps == 0 ||
+		er.PoseidonApps == 0 || er.ECOPApps == 0 || er.ECDSAApps == 0 || er.BitwiseApps == 0 ||
+		er.KeccakApps == 0 || er.SegmentArenaBuiltin == 0 {
+		return false
 	}
-	if er.MemoryHoles == 0 {
-		return errors.New("MemoryHoles cannot be zero")
-	}
-	if er.RangeCheckApps == 0 {
-		return errors.New("RangeCheckApps cannot be zero")
-	}
-	if er.PedersenApps == 0 {
-		return errors.New("PedersenApps cannot be zero")
-	}
-	if er.PoseidonApps == 0 {
-		return errors.New("PoseidonApps cannot be zero")
-	}
-	if er.ECOPApps == 0 {
-		return errors.New("ECOPApps cannot be zero")
-	}
-	if er.ECOPApps == 0 {
-		return errors.New("ECOPApps cannot be zero")
-	}
-	if er.BitwiseApps == 0 {
-		return errors.New("BitwiseApps cannot be zero")
-	}
-	if er.KeccakApps == 0 {
-		return errors.New("KeccakApps cannot be zero")
-	}
-	if er.SegmentArena == 0 {
-		return errors.New("KeccakApps cannot be zero")
-	}
-	return nil
+	return true
 }
 
 // Hash returns the transaction hash of the PendingCommonTransactionReceiptProperties.