payment quotation v2 + payment orchestration v2 draft

api/payments/storage/model/gateway_eligibility_test.go

@@ -0,0 +1,49 @@
+package model
+
+import (
+	"testing"
+
+	"github.com/shopspring/decimal"
+)
+
+func TestIsGatewayEligible_AllowsMatchingGateway(t *testing.T) {
+	gw := &GatewayInstanceDescriptor{
+		ID:         "gw-1",
+		InstanceID: "inst-1",
+		Rail:       RailCrypto,
+		Network:    "TRON",
+		Currencies: []string{"USDT"},
+		Operations: []RailOperation{RailOperationSend, RailOperationExternalCredit},
+		IsEnabled:  true,
+	}
+
+	err := IsGatewayEligible(gw, RailCrypto, "TRON", "USDT", RailOperationSend, GatewayDirectionOut, decimal.RequireFromString("10"))
+	if err != nil {
+		t.Fatalf("expected gateway to be eligible, got err=%v", err)
+	}
+}
+
+func TestIsGatewayEligible_RejectsNetworkMismatch(t *testing.T) {
+	gw := &GatewayInstanceDescriptor{
+		ID:         "gw-1",
+		InstanceID: "inst-1",
+		Rail:       RailCrypto,
+		Network:    "ETH",
+		Currencies: []string{"USDT"},
+		Operations: []RailOperation{RailOperationSend},
+		IsEnabled:  true,
+	}
+
+	err := IsGatewayEligible(gw, RailCrypto, "TRON", "USDT", RailOperationSend, GatewayDirectionOut, decimal.RequireFromString("10"))
+	if err == nil {
+		t.Fatalf("expected network mismatch error")
+	}
+}
+
+func TestNoEligibleGatewayMessage(t *testing.T) {
+	got := NoEligibleGatewayMessage("tron", "usdt", RailOperationSend, GatewayDirectionOut)
+	want := "plan builder: no eligible gateway found for TRON USDT SEND for direction out"
+	if got != want {
+		t.Fatalf("unexpected message: got=%q want=%q", got, want)
+	}
+}