fix InsufficientRentError handling

block/fetcher/error.go

@@ -181,22 +181,43 @@ func (e *InsufficientFundsForRentError) Encode(encoder *bin.Encoder) error {
 }
 
 func MustNewProgramExecutionTemporarilyRestrictedError(e any) *ProgramExecutionTemporarilyRestrictedError {
-	accountIndex, ok := e.(uint8)
+	mapE, ok := e.(map[string]interface{})
+	if !ok {
+		panic(fmt.Errorf("expected map[string]interface{}, got: %T", e))
+	}
+
+	accountIndex, ok := mapE["account_index"]
+	if !ok {
+		panic(fmt.Errorf("expected account_index, got: %T", e))
+	}
+
+	accountIndexFloat64, ok := accountIndex.(float64)
+
 	if !ok {
 		panic(fmt.Errorf("expected byte, got: %T", e))
 	}
 	return &ProgramExecutionTemporarilyRestrictedError{
-		AccountIndex: accountIndex,
+		AccountIndex: uint8(accountIndexFloat64),
 	}
 }
 
 func MustNewInsufficientFundsForRentError(e any) *InsufficientFundsForRentError {
-	accountIndex, ok := e.(uint8)
+	mapE, ok := e.(map[string]interface{})
 	if !ok {
-		panic(fmt.Errorf("expected byte, got: %T", e))
+		panic(fmt.Errorf("expected map[string]interface{}, got: %T", e))
+	}
+
+	accountIndex, ok := mapE["account_index"]
+	if !ok {
+		panic(fmt.Errorf("expected account_index, got: %T", e))
+	}
+
+	accountIndexFloat64, ok := accountIndex.(float64)
+	if !ok {
+		panic(fmt.Errorf("expected float64, got: %T", e))
 	}
 	return &InsufficientFundsForRentError{
-		AccountIndex: accountIndex,
+		AccountIndex: uint8(accountIndexFloat64),
 	}
 }
 func MustNewDuplicateInstructionError(e any) *DuplicateInstructionError {

block/fetcher/rpc_test.go

@@ -15,11 +15,11 @@ import (
 )
 
 func Test_DoIt(t *testing.T) {
-	t.Skip("TODO: fix this test")
+	//t.Skip("TODO: fix this test")
 	ctx := context.Background()
 	rpcClient := rpc.New(quicknodeURL) //put your own URL in a file call secret.go that will be ignore by git
 	f := NewRPC(rpcClient, 0*time.Millisecond, 0*time.Millisecond, zap.NewNop())
-	_, err := f.Fetch(ctx, 240816644)
+	_, err := f.Fetch(ctx, 240816742)
 
 	require.NoError(t, err)
 }