Add errors package to standardize error handling across the project

internal/errors/codes.go

@@ -0,0 +1,60 @@
+/*
+ * Flow CLI
+ *
+ * Copyright Flow Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package errors
+
+import (
+	"fmt"
+	"strings"
+)
+
+// FlowErrorType represents different types of Flow errors
+type FlowErrorType string
+
+const (
+	StorageLimitExceeded FlowErrorType = "storage_limit"
+)
+
+// Flow error codes mapped to their types
+var errorCodeMap = map[int]FlowErrorType{
+	1103: StorageLimitExceeded,
+}
+
+// HasErrorCode checks if an error contains a specific Flow error code
+func HasErrorCode(err error, code int) bool {
+	if err == nil {
+		return false
+	}
+
+	errorCodePattern := fmt.Sprintf("[Error Code: %d]", code)
+	return strings.Contains(err.Error(), errorCodePattern)
+}
+
+// IsErrorType checks if an error is of a specific Flow error type
+func IsErrorType(err error, errorType FlowErrorType) bool {
+	if err == nil {
+		return false
+	}
+
+	for code, errType := range errorCodeMap {
+		if errType == errorType && HasErrorCode(err, code) {
+			return true
+		}
+	}
+	return false
+}