crypto payment message

server/implementations/Catcrafts.Server-Mollie.cpp

@@ -155,9 +155,42 @@ public:
 
     std::optional<PaidStatus> CheckPaid(const std::string&, std::int64_t) override {
         std::error_code ec;
-        return PaidStatus{
-            std::filesystem::exists(marker_, ec) ? PayState::Paid : PayState::Pending,
-            "fake" };
+        if (std::filesystem::exists(marker_, ec)) {
+            return PaidStatus{ PayState::Paid, "fake" };
+        }
+        PaidStatus out;
+        out.state = PayState::Pending;
+        out.method = "fake";
+        // "<marker>.seen" is the in-flight state: money visible on the
+        // network, finality still pending. It exists so the e2e suite can
+        // drive the order page's "your payment is on its way" notice the
+        // same way the marker itself drives "paid".
+        std::filesystem::path seenMarker = marker_;
+        seenMarker += ".seen";
+        out.seen = std::filesystem::exists(seenMarker, ec);
+        return out;
+    }
+
+    // The crypto slot's fake renders payment INSTRUCTIONS, like the real
+    // EURC rail, so the suites exercise the order page's self-hosted branch
+    // (address, window, the in-flight notice) rather than the hosted button
+    // that slot never shows in production. The bank fake keeps the button,
+    // mirroring Mollie. Fixed values, so assertions can pin them.
+    std::optional<PayInstructions> Instructions(const std::string&,
+                                                std::int64_t totalMinor) const override {
+        if (name_ != "fake-crypto" || totalMinor <= 0) return std::nullopt;
+        PayInstructions out;
+        out.address = "0x" + std::string(40, 'f');
+        out.amount = Money::FormatMinor(totalMinor);
+        out.deadlineUnix =
+            std::chrono::duration_cast<std::chrono::seconds>(
+                std::chrono::system_clock::now().time_since_epoch()).count()
+            + 24 * 3600;
+        PayChainOption chain;
+        chain.name = "fake-chain";
+        chain.contract = "0x" + std::string(40, 'f');
+        out.chains.push_back(std::move(chain));
+        return out;
     }
 
     std::string_view Name() const override { return name_; }