package models

import "time"

// CollateralBuyRecord records each collateral purchase made by the buyer bot
type CollateralBuyRecord struct {
	ID             uint      `gorm:"primaryKey;autoIncrement" json:"id"`
	ChainID        int       `gorm:"index" json:"chain_id"`
	TxHash         string    `gorm:"size:66;uniqueIndex" json:"tx_hash"`
	BuyerAddr      string    `gorm:"size:42" json:"buyer_addr"`
	AssetAddr      string    `gorm:"size:42;index" json:"asset_addr"`
	AssetSymbol    string    `gorm:"size:50" json:"asset_symbol"`
	PaidAmount     string    `gorm:"size:78" json:"paid_amount"`     // USDC paid, base units
	ReceivedAmount string    `gorm:"size:78" json:"received_amount"` // collateral received, base units
	GasUsed        uint64    `json:"gas_used"`
	BlockNumber    uint64    `json:"block_number"`
	Status         string    `gorm:"size:20;default:'success'" json:"status"` // success / failed
	ErrorMessage   string    `gorm:"type:text" json:"error_message,omitempty"`
	CreatedAt      time.Time `json:"created_at"`
}

func (CollateralBuyRecord) TableName() string { return "collateral_buy_records" }