feat: added models

server/models/api/model.go

@@ -0,0 +1,70 @@
+package api
+
+type ApiResponse[T any] struct {
+	Success bool `json:"success"`
+	Data *T `json:"data,omitempty"` // Nullable data
+	Error *string `json:"error,omitempty"` // Nullable error message
+	Timestamp int64 `json:"timestamp"`
+}
+
+type ErrorResponse struct {
+	Error string `json:"error"`
+	Code *string `json:"code,omitempty"`
+	Details map[string]string `json:"details,omitempty"`
+	Timestamp int64 `json:"timestamp"`
+}
+
+type SuccessResponse struct {
+	Message string `json:"message"`
+	Timestamp int64 `json:"timestamp"`
+}
+
+type HealthResponse struct {
+	Status string `json:"status"`
+	Version string `json:"version"`
+	Uptime int64 `json:"uptime"`
+	Database DatabaseHealth `json:"database"`
+	BlockChain BlockChainHealth `json:"blockchain"`
+}
+
+type DatabaseHealth struct {
+	Connected bool `json:"connected"`
+	ResponseTime int64 `json:"response_time"`
+	ActiveConnections int `json:"active_connections"`
+	MaxConnections int `json:"max_connections"`
+}
+
+type BlockChainHealth struct {
+	LatestBlock int `json:"latest_block"`
+	PendingTransactions int `json:"pending_transactions"`
+	NetworkHashRate float64 `json:"network_hash_rate"`
+	AverageBlockTime int64 `json:"average_block_time"`
+}
+
+type PaginationRequest struct {
+	Page int `json:"page"`
+	PageSize int `json:"page_size"`
+	SortBy *string `json:"sort_by,omitempty"`
+	SortOrder SortOrder `json:"sort_order"`
+}
+
+type PaginatedResponse[T any] struct {
+	Data []T `json:"data"`
+	Pagination PaginationInfo `json:"pagination"`
+}
+
+type PaginationInfo struct {
+	CurrentPage int `json:"current_page"`
+	PageSize int `json:"page_size"`
+	TotalItems int `json:"total_items"`
+	TotalPages int `json:"total_pages"`
+	HasNext bool `json:"has_next"`
+	HasPrevious bool `json:"has_previous"`
+}
+
+type SortOrder string
+
+const (
+	ASC SortOrder = "ASC"
+	DESC SortOrder = "DESC"
+)