From cab491f0d9f0b77fbe9f6d61fb3b41b9bd06ecb0 Mon Sep 17 00:00:00 2001
From: lash <dev@holbrook.no>
Date: Thu, 24 Oct 2024 16:00:46 +0100
Subject: [PATCH] Add custodial registration handler

---
 event/custodial_registration.go | 31 +++++++++++++++++++++++++
 event/nats/nats.go              | 41 +++++++++++++++------------------
 event/route.go                  | 22 ++++++++++++++++--
 3 files changed, 69 insertions(+), 25 deletions(-)
 create mode 100644 event/custodial_registration.go

diff --git a/event/custodial_registration.go b/event/custodial_registration.go
new file mode 100644
index 0000000..68f3ca7
--- /dev/null
+++ b/event/custodial_registration.go
@@ -0,0 +1,31 @@
+package event
+
+import (
+	geEvent "github.com/grassrootseconomics/eth-tracker/pkg/event"
+)
+
+const (
+	evReg = "CUSTODIAL_REGISTRATION"
+)
+
+type eventCustodialRegistration struct {
+	account string
+}
+
+func asCustodialRegistrationEvent(gev *geEvent.Event) (*eventCustodialRegistration, bool) {
+	var ok bool
+	var ev eventCustodialRegistration
+	if gev.TxType != evReg {
+		return nil, false
+	}
+	pl := gev.Payload
+	ev.account, ok = pl["account"].(string)
+	if !ok {
+		return nil, false
+	}
+	return &ev, true
+}
+
+func handleCustodialRegistration(ev *eventCustodialRegistration) error {
+	return nil
+}
diff --git a/event/nats/nats.go b/event/nats/nats.go
index a6ebe06..a79e57b 100644
--- a/event/nats/nats.go
+++ b/event/nats/nats.go
@@ -3,24 +3,19 @@ package nats
 import (
 	"context"
 	"encoding/json"
+	"log/slog"
+	"os"
 
 	nats "github.com/nats-io/nats.go"
 	"github.com/nats-io/nats.go/jetstream"
 
-	"git.defalsify.org/vise.git/logging"
-
 	geEvent "github.com/grassrootseconomics/eth-tracker/pkg/event"
 
 	"git.grassecon.net/term/event"
 )
 
-const (
-	evGive = "TRACKER.FAUCET_GIVE"
-	evReg = "TRACKER.CUSTODIAL_REGISTRATION"
-)
-
 var (
-	logg = logging.NewVanilla().WithDomain("nats")
+	logg = slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelDebug}))
 )
 
 type NatsSubscription struct {
@@ -75,31 +70,31 @@ func(n *NatsSubscription) Close() error {
 func fail(m jetstream.Msg) {
 	err := m.Nak()
 	if err != nil {
-		logg.Errorf("nats nak fail", "err", err)
+		logg.Error("nats nak fail", "err", err)
 	}
 }
 
 func(n *NatsSubscription) handleEvent(m jetstream.Msg) {
 	var ev geEvent.Event
 
-	logg.Tracef("have msg", "err", m)
+	logg.Debug("have msg", "err", m)
 	b := m.Data()
 	err := json.Unmarshal(b, &ev)
 	if err != nil {
-		logg.Errorf("nats msg deserialize fail", "err", err)
-		fail(m)
-		return
+		logg.Error("nats msg deserialize fail", "err", err)
+		//fail(m)
+	} else {
+		err = n.Route(&ev)
+		if err != nil {
+			logg.Error("handler route fail", "err", err)
+			fail(m)
+			return
+		}
 	}
-	err = n.Route(&ev)
+	err = m.Term()
 	if err != nil {
-		logg.Errorf("handler route fail", "err", err)
-		fail(m)
-		return
-	}
-	err = m.Ack()
-//	err = m.DoubleAck(n.ctx)
-	if err != nil {
-		logg.Errorf("ack fail", "err", err)
-		panic("ack fail")
+		logg.Error("term fail", "err", err)
+		panic("term fail")
 	}
+	logg.Debug("handle msg complete")
 }
diff --git a/event/route.go b/event/route.go
index cf61b66..068244d 100644
--- a/event/route.go
+++ b/event/route.go
@@ -1,12 +1,30 @@
 package event
 
 import (
+	"fmt"
+	"log/slog"
+	"os"
+
 	geEvent "github.com/grassrootseconomics/eth-tracker/pkg/event"
 )
 
+// TODO: this vocabulary should be public in and provided by the eth-tracker repo
+const (
+	evGive = "FAUCET_GIVE"
+)
+
+var (
+	logg = slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelDebug}))
+)
+
 type Router struct {
 }
 
-func(r *Router) Route(ev *geEvent.Event) error {
-	return nil
+func(r *Router) Route(gev *geEvent.Event) error {
+	logg.Debug("have event", "ev", gev)
+	evCC, ok := asCustodialRegistrationEvent(gev)
+	if !ok {
+		return handleCustodialRegistration(evCC)
+	}
+	return fmt.Errorf("unexpected message")
 }