Add token mint event tag

dev/api.go

@@ -16,6 +16,7 @@ import (
 	"git.defalsify.org/vise.git/db"
 	fsdb "git.defalsify.org/vise.git/db/fs"
 	"git.grassecon.net/grassrootseconomics/sarafu-api/models"
+	"git.grassecon.net/grassrootseconomics/sarafu-api/event"
 	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 )
 
@@ -40,6 +41,25 @@ type Tx struct {
 	When time.Time `json: "when"`
 }
 
+func (t *Tx) ToTransferEvent() event.EventTokenTransfer {
+	return event.EventTokenTransfer{
+		To: t.To,
+		Value: t.Value,
+		VoucherAddress: t.Voucher,
+		TxHash: t.Hsh,
+		From: t.From,
+	}
+}
+
+func (t *Tx) ToMintEvent() event.EventTokenMint {
+	return event.EventTokenMint{
+		To: t.To,
+		Value: t.Value,
+		VoucherAddress: t.Voucher,
+		TxHash: t.Hsh,
+	}
+}
+
 type Account struct {
 	Track string `json: "track"`
 	Address string `json: "address"`
@@ -50,6 +70,12 @@ type Account struct {
 	Txs []string `json: "txs"`
 }
 
+func (a *Account) ToRegistrationEvent() event.EventCustodialRegistration {
+	return event.EventCustodialRegistration{
+		Account: a.Address,
+	}
+}
+
 type Voucher struct {
 	Name string `json: "name"`
 	Address string `json: "address"`
@@ -74,6 +100,7 @@ type DevAccountService struct {
 	autoVouchers []string
 	autoVoucherValue map[string]int
 	defaultAccount string
+	emitterFunc event.EmitterFunc
 //	accountsSession map[string]string
 }
 
@@ -107,6 +134,11 @@ func NewDevAccountService(ctx context.Context, d string) *DevAccountService {
 	return svc
 }
 
+func (das *DevAccountService) WithEmitter(fn event.EmitterFunc) *DevAccountService {
+	das.emitterFunc = fn
+	return das
+}
+
 func (das *DevAccountService) loadAccount(ctx context.Context, pubKey string, v []byte) error {
 	var acc Account
 
@@ -306,7 +338,17 @@ func (das *DevAccountService) CreateAccount(ctx context.Context) (*models.Accoun
 		das.defaultAccount = pubKey
 	}
 
-	logg.InfoCtxf(ctx, "account created", "account", acc)
+	if das.emitterFunc != nil {
+		msg := event.Msg{
+			Typ: event.EventRegistrationTag,
+			Item: acc,
+		}
+		err = das.emitterFunc(ctx, msg)
+		if err != nil {
+			logg.ErrorCtxf(ctx, "emitter returned error", "err", err, "msg", msg)
+		}
+	}
+	logg.TraceCtxf(ctx, "account created", "account", acc)
 
 	return &models.AccountResult{
 		PublicKey: pubKey,
@@ -458,7 +500,17 @@ func (das *DevAccountService) TokenTransfer(ctx context.Context, amount, from, t
 		return nil, err
 	}
 	das.txs[hsh] = mytx
-	logg.InfoCtxf(ctx, "token transfer created", "tx", mytx)
+	if das.emitterFunc != nil {
+		msg := event.Msg{
+			Typ: event.EventTokenTransferTag,
+			Item: mytx,
+		}
+		err = das.emitterFunc(ctx, msg)
+		if err != nil {
+			logg.ErrorCtxf(ctx, "emitter returned error", "err", err, "msg", msg)
+		}
+	}
+	logg.TraceCtxf(ctx, "token transfer created", "tx", mytx)
 	return &models.TokenTransferResponse{
 		TrackingId: uid.String(),
 	}, nil

event/msg.go

@@ -0,0 +1,66 @@
+package event
+
+import (
+	"context"
+	"fmt"
+)
+
+const (
+	// TODO: integrate with sarafu-vise-events
+	EventTokenTransferTag = "TOKEN_TRANSFER"
+	EventTokenMintTag = "TOKEN_MINT"
+	EventRegistrationTag = "CUSTODIAL_REGISTRATION"
+)
+
+type Msg struct {
+	Typ string
+	Item any
+}
+
+type EmitterFunc func(context.Context, Msg) error
+
+// fields used for handling custodial registration event.
+type EventCustodialRegistration struct {
+	Account string
+}
+
+// fields used for handling token transfer event.
+type EventTokenTransfer struct {
+	To string
+	Value int
+	VoucherAddress string
+	TxHash string
+	From string
+}
+
+type EventTokenMint struct {
+	To string
+	Value int
+	TxHash string
+	VoucherAddress string
+}
+
+type EventsHandlerFunc func(context.Context, any) error
+
+type EventsHandler struct {
+	handlers map[string]EventsHandlerFunc
+}
+
+func NewEventsHandler() *EventsHandler {
+	return &EventsHandler{
+		handlers: make(map[string]EventsHandlerFunc),
+	}
+}
+
+func (eh *EventsHandler) WithHandler(tag string, fn EventsHandlerFunc) *EventsHandler {
+	eh.handlers[tag] = fn
+	return eh
+}
+
+func (eh *EventsHandler) Handle(ctx context.Context, tag string, o any) error {
+	fn, ok := eh.handlers[tag]
+	if !ok {
+		return fmt.Errorf("Handler not registered for tag: %s", tag)
+	}
+	return fn(ctx, o)
+}

go.mod

@@ -4,7 +4,7 @@ go 1.23.4
 
 require (
 	git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d
-	git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250113103142-5bf0a0e85893
+	git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250113213325-5228aef0889b
 	github.com/gofrs/uuid v4.4.0+incompatible
 	github.com/grassrootseconomics/eth-custodial v1.3.0-beta
 	github.com/grassrootseconomics/ussd-data-service v1.2.0-beta

go.sum

@@ -1,7 +1,7 @@
 git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d h1:bPAOVZOX4frSGhfOdcj7kc555f8dc9DmMd2YAyC2AMw=
 git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
-git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250113103142-5bf0a0e85893 h1:MyDINzwY1sjfXkIFoc+6T5lXF/1xdFV6yjHrpSNZzWM=
+git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250113213325-5228aef0889b h1:6SieNUSEKbkjzquuwazs/lVG56zdEWF10zQQEMRJfMs=
-git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250113103142-5bf0a0e85893/go.mod h1:E6W7ZOa7ZvVr0Bc5ot0LNSwpSPYq4hXlAIvEPy3AJ7U=
+git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250113213325-5228aef0889b/go.mod h1:E6W7ZOa7ZvVr0Bc5ot0LNSwpSPYq4hXlAIvEPy3AJ7U=
 github.com/barbashov/iso639-3 v0.0.0-20211020172741-1f4ffb2d8d1c h1:H9Nm+I7Cg/YVPpEV1RzU3Wq2pjamPc/UtHDgItcb7lE=
 github.com/barbashov/iso639-3 v0.0.0-20211020172741-1f4ffb2d8d1c/go.mod h1:rGod7o6KPeJ+hyBpHfhi4v7blx9sf+QsHsA7KAsdN6U=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=