功能增加

backend/internal/billing/settlement_test.go

@@ -31,6 +31,29 @@ func TestSeedanceActualAmountUsesFrozenTokenPricingAndRoundsUp(t *testing.T) {
 	}
 }
 
+func TestMinimaxH3ActualAmountUsesOfficialPerSecondPricingAndMarkup(t *testing.T) {
+	tests := []struct {
+		resolution        string
+		outputSeconds     int64
+		inputVideoSeconds int64
+		inputImageCount   int64
+		want              int64
+	}{
+		{resolution: "768P", outputSeconds: 5, inputImageCount: 1, want: 300},
+		{resolution: "2K", outputSeconds: 5, inputImageCount: 1, want: 480},
+		{resolution: "2k", outputSeconds: 4, inputVideoSeconds: 2, inputImageCount: 7, want: 624},
+	}
+	for _, test := range tests {
+		got, err := CalculateMinimaxH3ActualAmountFen(MinimaxH3ActualAmountInput{
+			Resolution: test.resolution, OutputSeconds: test.outputSeconds, InputVideoSeconds: test.inputVideoSeconds,
+			InputImageCount: test.inputImageCount, MarkupMultiplier: 1.2,
+		})
+		if err != nil || got != test.want {
+			t.Fatalf("resolution=%s amount=%d err=%v want=%d", test.resolution, got, err, test.want)
+		}
+	}
+}
+
 func TestLedgerSettlesSeedanceDeltaWithOneFrozenIdempotencyKey(t *testing.T) {
 	poster := &recordingPoster{result: WalletPosting{LedgerID: "settlement-ledger", CreatedAt: time.Unix(7, 0)}}
 	ledger := Ledger{Poster: poster, NewID: func() string { return "new-ledger" }}