outbox for gateways

api/payments/storage/model/funding.go

@@ -0,0 +1,11 @@
+package model
+
+// FundingMode defines how payout liquidity must be satisfied for a gateway.
+type FundingMode string
+
+const (
+	FundingModeUnspecified     FundingMode = "unspecified"
+	FundingModeNone            FundingMode = "none"
+	FundingModeBalanceReserve  FundingMode = "balance_reserve"
+	FundingModeDepositObserved FundingMode = "deposit_observed"
+)