first commit of restructured project

trahn-trade-backend/internal/models/gridstate.go

@@ -0,0 +1,37 @@
+package models
+
+import (
+	"encoding/json"
+	"time"
+)
+
+type GridState struct {
+	ID             int              `json:"id"`
+	BasePrice      *float64         `json:"basePrice,omitempty"`
+	GridLevelsJSON json.RawMessage  `json:"gridLevelsJson,omitempty"`
+	TradesExecuted int              `json:"tradesExecuted"`
+	TotalProfit    float64          `json:"totalProfit"`
+	LastSRRefresh  *time.Time       `json:"lastSrRefresh,omitempty"`
+	IsActive       bool             `json:"isActive"`
+	CreatedAt      time.Time        `json:"createdAt"`
+	UpdatedAt      time.Time        `json:"updatedAt"`
+
+	// Paper wallet fields (NULL for live trading)
+	PaperETHBalance    *float64        `json:"paperEthBalance,omitempty"`
+	PaperUSDCBalance   *float64        `json:"paperUsdcBalance,omitempty"`
+	PaperTotalGasSpent *float64        `json:"paperTotalGasSpent,omitempty"`
+	PaperTradesJSON    json.RawMessage `json:"paperTradesJson,omitempty"`
+	PaperStartTime     *time.Time      `json:"paperStartTime,omitempty"`
+	PaperInitialETH    *float64        `json:"paperInitialEth,omitempty"`
+	PaperInitialUSDC   *float64        `json:"paperInitialUsdc,omitempty"`
+}
+
+type PaperWallet struct {
+	ETHBalance    float64         `json:"ethBalance"`
+	USDCBalance   float64         `json:"usdcBalance"`
+	TotalGasSpent float64         `json:"totalGasSpent"`
+	Trades        json.RawMessage `json:"trades"`
+	StartTime     *time.Time      `json:"startTime"`
+	InitialETH    float64         `json:"initialEth"`
+	InitialUSDC   float64         `json:"initialUsdc"`
+}