apskel-pos-backend/internal/constants/wallet.go

package constants

// The two balances a customer wallet holds (docs/prd-point-coin.md). EnakPoint pays
// for orders; EnakCoin is spent on games and can be exchanged into EnakPoint.
const (
	WalletCurrencyPoint = "POINT"
	WalletCurrencyCoin  = "COIN"
)

func IsValidWalletCurrency(currency string) bool {
	return currency == WalletCurrencyPoint || currency == WalletCurrencyCoin
}

// Ledger row types. §8.1 of the PRD lists, per type, which currency it may use, which
// way it moves the balance, and which reference it must carry.
const (
	WalletTxTypeEarn         = "EARN"
	WalletTxTypeEarnReversal = "EARN_REVERSAL"
	WalletTxTypeExchangeOut  = "EXCHANGE_OUT"
	WalletTxTypeExchangeIn   = "EXCHANGE_IN"
	WalletTxTypeTransferOut  = "TRANSFER_OUT"
	WalletTxTypeTransferIn   = "TRANSFER_IN"
	WalletTxTypeGameSpend    = "GAME_SPEND"
	WalletTxTypeExpire       = "EXPIRE"
	WalletTxTypeAdjustment   = "ADJUSTMENT"
	WalletTxTypeMigration    = "MIGRATION"
	WalletTxTypeRewardRedeem = "REWARD_REDEEM"

	// EnakGame (docs/rfc-enakgame.md §6.1).
	WalletTxTypeGameSpendRefund    = "GAME_SPEND_REFUND"
	WalletTxTypeGameReward         = "GAME_REWARD"
	WalletTxTypeRewardRedeemRefund = "REWARD_REDEEM_REFUND"
)

// What a ledger row's reference_id points at: where the value came from for a
// credit, or where it went for a debit.
const (
	WalletRefTypeOrder            = "ORDER"
	WalletRefTypeWalletTx         = "WALLET_TX"
	WalletRefTypeGamePlay         = "GAME_PLAY"
	WalletRefTypeLot              = "LOT"
	WalletRefTypeUser             = "USER"
	WalletRefTypeLegacyPoints     = "LEGACY_POINTS"
	WalletRefTypeLegacyTokens     = "LEGACY_TOKENS"
	WalletRefTypeRewardRedemption = "REWARD_REDEMPTION"
	WalletRefTypeGameSession      = "GAME_SESSION"
)