Merge pull request 'Implement alias handling dev api' (#3) from lash/alias into master

Reviewed-on: #3

dev/api.go

@@ -1,12 +1,13 @@
 package dev
 
 import (
+	"bytes"
 	"context"
 	"crypto/sha1"
 	"encoding/json"
 	"fmt"
 	"math/rand"
-	"os"
+	"regexp"
 	"strconv"
 	"strings"
 	"time"
@@ -14,13 +15,16 @@ import (
 	"github.com/gofrs/uuid"
 	"git.defalsify.org/vise.git/logging"
 	"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"
+	"git.grassecon.net/grassrootseconomics/common/phone"
+	"git.grassecon.net/grassrootseconomics/visedriver/storage"
 	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 )
 
 var (
 	logg = logging.NewVanilla().WithDomain("sarafu-api.devapi")
+	aliasRegex = regexp.MustCompile("^\\+?[a-zA-Z0-9\\-_]+$")
 )
 
 const (
@@ -40,6 +44,25 @@ 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 +73,12 @@ 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"`
@@ -61,7 +90,6 @@ type Voucher struct {
 }
 
 type DevAccountService struct {
-	dir string
 	db db.Db
 	accounts map[string]Account
 	accountsTrack map[string]string
@@ -74,13 +102,13 @@ type DevAccountService struct {
 	autoVouchers []string
 	autoVoucherValue map[string]int
 	defaultAccount string
+	emitterFunc event.EmitterFunc
+	pfx []byte
 //	accountsSession map[string]string
 }
 
-func NewDevAccountService(ctx context.Context, d string) *DevAccountService {
+func NewDevAccountService(ctx context.Context, ss storage.StorageService) *DevAccountService {
 	svc := &DevAccountService{
-		dir: d,
-		db: fsdb.NewFsDb(),
 		accounts: make(map[string]Account),
 		accountsTrack: make(map[string]string),
 		accountsAlias: make(map[string]string),
@@ -90,23 +118,42 @@ func NewDevAccountService(ctx context.Context, d string) *DevAccountService {
 		txsTrack: make(map[string]string),
 		autoVoucherValue: make(map[string]int),
 		defaultAccount: zeroAddress,
+		pfx: []byte("__"),
+	}
+	if ss != nil {
+		var err error
+		svc.db, err = ss.GetUserdataDb(ctx)
+		if err != nil {
+			panic(err)
+		}
+		svc.db.SetSession("")
+		svc.db.SetPrefix(db.DATATYPE_USERDATA)
+		err = svc.loadAll(ctx)
+		if err != nil {
+			logg.DebugCtxf(ctx, "loadall error", "err", err)
+		}
 	}
 	acc := Account{
 		Address: zeroAddress,
 	}
 	svc.accounts[acc.Address] = acc
-	err := svc.db.Connect(ctx, d)
-	if err != nil {
-		panic(err)
-	}
-	svc.db.SetPrefix(db.DATATYPE_USERDATA)
-	err = svc.loadAll(ctx)
-	if err != nil {
-		panic(err)
-	}
 	return svc
 }
 
+func (das *DevAccountService) WithEmitter(fn event.EmitterFunc) *DevAccountService {
+	das.emitterFunc = fn
+	return das
+}
+
+func (das *DevAccountService) WithPrefix(pfx []byte) *DevAccountService {
+	das.pfx = pfx
+	return das
+}
+
+func (das *DevAccountService) prefixKeyFor(k string, v string) []byte {
+	return append(das.pfx, []byte(k + "_" + v)...)
+}
+
 func (das *DevAccountService) loadAccount(ctx context.Context, pubKey string, v []byte) error {
 	var acc Account
 
@@ -139,7 +186,7 @@ func (das *DevAccountService) loadTx(ctx context.Context, hsh string, v []byte)
 func (das *DevAccountService) loadItem(ctx context.Context, k []byte, v []byte) error {
 	var err error
 	s := string(k)
-	ss := strings.SplitN(s, "_", 2)
+	ss := strings.SplitN(s[2:], "_", 2)
 	if len(ss) != 2 {
 		return fmt.Errorf("malformed key: %s", s)
 	}
@@ -147,6 +194,8 @@ func (das *DevAccountService) loadItem(ctx context.Context, k []byte, v []byte)
 		err = das.loadAccount(ctx, ss[1], v)
 	} else if ss[0] == "tx" {
 		err = das.loadTx(ctx, ss[1], v)
+	} else {
+		logg.ErrorCtxf(ctx, "unknown double underscore key", "key", ss[0])
 	}
 	return err
 }
@@ -154,18 +203,19 @@ func (das *DevAccountService) loadItem(ctx context.Context, k []byte, v []byte)
 // TODO: Add connect tx and account
 // TODO: update balance
 func (das *DevAccountService) loadAll(ctx context.Context) error {
-	d, err := os.ReadDir(das.dir)
+	dumper, err := das.db.Dump(ctx, []byte{})
 	if err != nil {
 		return err
 	}
-	for _, v := range(d) {
+	for true {
-		// TODO: move decoding to vise
+		k, v := dumper.Next(ctx)
-		fp := v.Name()
+		if k == nil {
-		k := []byte(fp[1:])
+			break
-		v, err := das.db.Get(ctx, k)
-		if err != nil {
-			return err
 		}
+		if !bytes.HasPrefix(k, das.pfx) {
+			continue
+		}
+
 		err = das.loadItem(ctx, k, v)
 		if err != nil {
 			return err
@@ -263,11 +313,16 @@ func (das *DevAccountService) balanceAuto(ctx context.Context, pubKey string) er
 }
 
 func (das *DevAccountService) saveAccount(ctx context.Context, acc Account) error {
-	k := "account_" + acc.Address
+	if das.db == nil {
+		return nil
+	}
+	k := das.prefixKeyFor("account", acc.Address)
 	v, err := json.Marshal(acc)
 	if err != nil {
 		return err
 	}
+	das.db.SetSession("")
+	das.db.SetPrefix(db.DATATYPE_USERDATA)
 	return das.db.Put(ctx, []byte(k), v)
 }
 
@@ -306,7 +361,17 @@ 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,
@@ -396,11 +461,13 @@ func (das *DevAccountService) VoucherData(ctx context.Context, address string) (
 }
 
 func (das *DevAccountService) saveTokenTransfer(ctx context.Context, mytx Tx) error {
-	k := "tx_" + mytx.Hsh
+	k := das.prefixKeyFor("tx", mytx.Hsh)
 	v, err := json.Marshal(mytx)
 	if err != nil {
 		return err
 	}
+	das.db.SetSession("")
+	das.db.SetPrefix(db.DATATYPE_USERDATA)
 	return das.db.Put(ctx, []byte(k), v)
 }
 
@@ -458,13 +525,23 @@ 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
 }
 
-func (das *DevAccountService) CheckAliasAddress(ctx context.Context, alias string) (*dataserviceapi.AliasAddress, error) {
+func (das *DevAccountService) CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
 	addr, ok := das.accountsAlias[alias]
 	if !ok {
 		return nil, fmt.Errorf("alias %s not found", alias)
@@ -473,7 +550,52 @@ func (das *DevAccountService) CheckAliasAddress(ctx context.Context, alias strin
 	if !ok {
 		return nil, fmt.Errorf("alias %s found but does not resolve", alias)
 	}
-	return &dataserviceapi.AliasAddress{
+	return &models.AliasAddress{
 		Address: acc.Address,
 	}, nil
 }
+
+func (das *DevAccountService) applyPhoneAlias(ctx context.Context, publicKey string, phoneNumber string) (bool, error) {
+	if phoneNumber[0] == '+' {
+		if !phone.IsValidPhoneNumber(phoneNumber) {
+			return false, fmt.Errorf("Invalid phoneNumber number: %v", phoneNumber)
+		}
+		logg.DebugCtxf(ctx, "matched phoneNumber alias", "phoneNumber", phoneNumber, "address", publicKey)
+		return true, nil
+	}
+	return false, nil
+}
+
+func (das *DevAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
+	var alias string
+	if !aliasRegex.MatchString(hint) {
+		return nil, fmt.Errorf("alias hint does not match: %s", publicKey)
+	}
+	acc, ok := das.accounts[publicKey]
+	if !ok {
+		return nil, fmt.Errorf("address %s not found", publicKey)
+	}
+	alias = hint
+	isPhone, err := das.applyPhoneAlias(ctx, publicKey, alias)
+	if err != nil {
+		return nil, fmt.Errorf("phone parser error: %v", err)
+	}
+	if !isPhone {
+		for true {
+			addr, ok := das.accountsAlias[alias]
+			if !ok {
+				break
+			}
+			if addr == publicKey {
+				break
+			}
+			alias += "x"
+		}
+		acc.Alias = alias
+		das.accountsAlias[alias] = publicKey
+	}
+	logg.DebugCtxf(ctx, "set alias", "addr", publicKey, "alias", alias)
+	return &models.RequestAliasResult{
+		Alias: alias,
+	}, nil
+}

dev/api_test.go

@@ -0,0 +1,75 @@
+package dev
+
+import (
+	"context"
+	"testing"
+
+	"git.grassecon.net/grassrootseconomics/visedriver/testutil/mocks"
+)
+
+func TestApiRequestAlias(t *testing.T) {
+	ctx := context.Background()
+	storageService := mocks.NewMemStorageService(ctx)
+	svc := NewDevAccountService(ctx, storageService)
+	ra, err := svc.CreateAccount(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	addr := ra.PublicKey
+	
+	_, err = svc.RequestAlias(ctx, addr, "+254f00")
+	if err == nil {
+		t.Fatalf("expected error")		
+	}
+	alias := "+254712345678"
+	rb, err := svc.RequestAlias(ctx, addr, alias)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rb.Alias != alias {
+		t.Fatalf("expected '%s', got '%s'", alias, rb.Alias)
+	}
+	_, err = svc.CheckAliasAddress(ctx, alias)
+	if err == nil {
+		t.Fatalf("expected error")
+	}
+
+	alias = "foo"
+	rb, err = svc.RequestAlias(ctx, addr, alias)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rb.Alias != alias {
+		t.Fatalf("expected '%s', got '%s'", alias, rb.Alias)
+	}
+	rc, err := svc.CheckAliasAddress(ctx, alias)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rc.Address != addr {
+		t.Fatalf("expected '%s', got '%s'", addr, rc.Address)
+	}
+
+	// create a second account
+	ra, err = svc.CreateAccount(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	addr = ra.PublicKey
+
+	rb, err = svc.RequestAlias(ctx, addr, alias)
+	if err != nil {
+		t.Fatal(err)
+	}
+	alias = "foox"
+	if rb.Alias != alias {
+		t.Fatalf("expected '%s', got '%s'", alias, rb.Alias)
+	}
+	rc, err = svc.CheckAliasAddress(ctx, alias)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rc.Address != addr {
+		t.Fatalf("expected '%s', got '%s'", addr, rc.Address)
+	}
+}

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

@@ -3,8 +3,9 @@ module git.grassecon.net/grassrootseconomics/sarafu-api
 go 1.23.4
 
 require (
-	git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d
+	git.defalsify.org/vise.git v0.2.3-0.20250114225117-3b5fc85b650b
-	git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250113103142-5bf0a0e85893
+	git.grassecon.net/grassrootseconomics/common v0.0.0-20250113174703-6afccefd1f05
+	git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250115003256-c0534ede1b63
 	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
@@ -14,8 +15,22 @@ require (
 require (
 	github.com/barbashov/iso639-3 v0.0.0-20211020172741-1f4ffb2d8d1c // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/fxamacker/cbor/v2 v2.4.0 // indirect
+	github.com/graygnuorg/go-gdbm v0.0.0-20220711140707-71387d66dce4 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
+	github.com/jackc/pgx/v5 v5.7.1 // indirect
+	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/joho/godotenv v1.5.1 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/mattn/kinako v0.0.0-20170717041458-332c0a7e205a // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/rogpeppe/go-internal v1.13.1 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	gopkg.in/leonelquinteros/gotext.v1 v1.3.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,26 +1,70 @@
-git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d h1:bPAOVZOX4frSGhfOdcj7kc555f8dc9DmMd2YAyC2AMw=
+git.defalsify.org/vise.git v0.2.3-0.20250114225117-3b5fc85b650b h1:rwWXMtNSn7aqhb4p1oVZkCA1vC7pVdohwW61QQM8fUs=
-git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
+git.defalsify.org/vise.git v0.2.3-0.20250114225117-3b5fc85b650b/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/common v0.0.0-20250113174703-6afccefd1f05 h1:BenzGx6aDHKDwE23/mWIFD2InYIXyzHroZWV3MF5WUk=
-git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250113103142-5bf0a0e85893/go.mod h1:E6W7ZOa7ZvVr0Bc5ot0LNSwpSPYq4hXlAIvEPy3AJ7U=
+git.grassecon.net/grassrootseconomics/common v0.0.0-20250113174703-6afccefd1f05/go.mod h1:wgQJZGIS6QuNLHqDhcsvehsbn5PvgV7aziRebMnJi60=
+git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250115003256-c0534ede1b63 h1:bX7klKZpX+ZZu1LKbtOXDAhV/KK0YwExehiIi0jusAM=
+git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250115003256-c0534ede1b63/go.mod h1:Syw9TZyigPAM7t9FvicOm36iUnidt45f0SxzT2JniQ8=
 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/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fxamacker/cbor/v2 v2.4.0 h1:ri0ArlOR+5XunOP8CRUowT0pSJOwhW098ZCUyskZD88=
+github.com/fxamacker/cbor/v2 v2.4.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
 github.com/gofrs/uuid v4.4.0+incompatible h1:3qXRTX8/NbyulANqlc0lchS1gqAVxRgsuW1YrTJupqA=
 github.com/gofrs/uuid v4.4.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/grassrootseconomics/eth-custodial v1.3.0-beta h1:twrMBhl89GqDUL9PlkzQxMP/6OST1BByrNDj+rqXDmU=
 github.com/grassrootseconomics/eth-custodial v1.3.0-beta/go.mod h1:7uhRcdnJplX4t6GKCEFkbeDhhjlcaGJeJqevbcvGLZo=
 github.com/grassrootseconomics/ussd-data-service v1.2.0-beta h1:fn1gwbWIwHVEBtUC2zi5OqTlfI/5gU1SMk0fgGixIXk=
 github.com/grassrootseconomics/ussd-data-service v1.2.0-beta/go.mod h1:omfI0QtUwIdpu9gMcUqLMCG8O1XWjqJGBx1qUMiGWC0=
+github.com/graygnuorg/go-gdbm v0.0.0-20220711140707-71387d66dce4 h1:U4kkNYryi/qfbBF8gh7Vsbuz+cVmhf5kt6pE9bYYyLo=
+github.com/graygnuorg/go-gdbm v0.0.0-20220711140707-71387d66dce4/go.mod h1:zpZDgZFzeq9s0MIeB1P50NIEWDFFHSFBohI/NbaTD/Y=
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models/alias_response.go

@@ -0,0 +1,9 @@
+package models
+
+type RequestAliasResult struct {
+	Alias string
+}
+
+type AliasAddress struct {
+	Address string
+}

remote/account_service.go

@@ -15,5 +15,6 @@ type AccountService interface {
 	FetchTransactions(ctx context.Context, publicKey string) ([]dataserviceapi.Last10TxResponse, error)
 	VoucherData(ctx context.Context, address string) (*models.VoucherDataResult, error)
 	TokenTransfer(ctx context.Context, amount, from, to, tokenAddress string) (*models.TokenTransferResponse, error)
-	CheckAliasAddress(ctx context.Context, alias string) (*dataserviceapi.AliasAddress, error)
+	CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error)
+	RequestAlias(ctx context.Context, hint string, publicKey string) (*models.RequestAliasResult, error)
 }

remote/http/service.go

@@ -3,6 +3,7 @@ package http
 import (
 	"bytes"
 	"context"
+	"fmt"
 	"encoding/json"
 	"errors"
 	"io"
@@ -202,8 +203,8 @@ func (as *HTTPAccountService) TokenTransfer(ctx context.Context, amount, from, t
 // CheckAliasAddress retrieves the address of an alias from the API endpoint.
 // Parameters:
 //   - alias: The alias of the user.
-func (as *HTTPAccountService) CheckAliasAddress(ctx context.Context, alias string) (*dataserviceapi.AliasAddress, error) {
+func (as *HTTPAccountService) CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
-	var r dataserviceapi.AliasAddress
+	var r models.AliasAddress
 
 	ep, err := url.JoinPath(config.CheckAliasURL, alias)
 	if err != nil {
@@ -219,6 +220,10 @@ func (as *HTTPAccountService) CheckAliasAddress(ctx context.Context, alias strin
 	return &r, err
 }
 
+func (as *HTTPAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
+	return nil, fmt.Errorf("not yet implemented")
+}
+
 // TODO: remove eth-custodial api dependency
 func doRequest(ctx context.Context, req *http.Request, rcpt any) (*api.OKResponse, error) {
 	var okResponse api.OKResponse

testutil/mocks/api_mock.go

@@ -0,0 +1,65 @@
+package mocks
+
+import (
+	"context"
+
+	"git.defalsify.org/vise.git/logging"
+	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
+	"git.grassecon.net/grassrootseconomics/sarafu-api/models"
+)
+
+var (
+	logg = logging.NewVanilla().WithDomain("sarafu-vise-events.testutil")
+)
+
+const (
+	AliceChecksum = "0xeae046BF396e91f5A8D74f863dC57c107c8a4a70"
+	BobChecksum = "0xB3117202371853e24B725d4169D87616A7dDb127"
+	AliceSession = "5553425"
+)
+
+type MockApi struct {
+	TransactionsContent []dataserviceapi.Last10TxResponse
+	VouchersContent []dataserviceapi.TokenHoldings
+	VoucherDataContent *models.VoucherDataResult
+}
+
+func(m MockApi) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResult, error) {
+	return nil, nil
+}
+
+func(m MockApi) CreateAccount(ctx context.Context) (*models.AccountResult, error) {
+	return nil, nil
+}
+
+func(m MockApi) TrackAccountStatus(ctx context.Context, publicKey string) (*models.TrackStatusResult, error) {
+	return nil, nil
+}
+
+func(m MockApi) FetchVouchers(ctx context.Context, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	logg.DebugCtxf(ctx, "mockapi fetchvouchers", "key", publicKey)
+	return m.VouchersContent, nil
+}
+
+func(m MockApi) FetchTransactions(ctx context.Context, publicKey string) ([]dataserviceapi.Last10TxResponse, error) {
+	logg.DebugCtxf(ctx, "mockapi fetchtransactions", "key", publicKey)
+	return m.TransactionsContent, nil
+}
+
+func(m MockApi) VoucherData(ctx context.Context, address string) (*models.VoucherDataResult, error) {
+	return m.VoucherDataContent, nil
+}
+
+func(m MockApi) CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
+	return nil, nil
+}
+
+func(m MockApi) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
+	return nil, nil
+}
+
+func(m MockApi) TokenTransfer(ctx context.Context, amount, from, to, tokenAddress string) (*models.TokenTransferResponse, error) {
+	return nil, nil
+}
+
+

testutil/mocks/service_mock.go

@@ -48,7 +48,12 @@ func (m *MockAccountService) TokenTransfer(ctx context.Context, amount, from, to
 	return args.Get(0).(*models.TokenTransferResponse), args.Error(1)
 }
 
-func (m *MockAccountService) CheckAliasAddress(ctx context.Context, alias string) (*dataserviceapi.AliasAddress, error) {
+func (m *MockAccountService) CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
 	args := m.Called(alias)
-	return args.Get(0).(*dataserviceapi.AliasAddress), args.Error(1)
+	return args.Get(0).(*models.AliasAddress), args.Error(1)
+}
+
+func(m MockAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
+	args := m.Called(publicKey, hint)
+	return args.Get(0).(*models.RequestAliasResult), args.Error(1)
 }

testutil/testservice/account_service.go

@@ -57,6 +57,10 @@ func (tas *TestAccountService) TokenTransfer(ctx context.Context, amount, from,
 	}, nil
 }
 
-func (m TestAccountService) CheckAliasAddress(ctx context.Context, alias string) (*dataserviceapi.AliasAddress, error) {
+func (m TestAccountService) CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
-	return &dataserviceapi.AliasAddress{}, nil
+	return &models.AliasAddress{}, nil
+}
+
+func (m TestAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
+	return &models.RequestAliasResult{}, nil
 }