implement pool limit

Reviewed-on: #8

config/config.go

@@ -15,13 +15,18 @@ const (
 	voucherHoldingsPathPrefix  = "/api/v1/holdings"
 	voucherTransfersPathPrefix = "/api/v1/transfers/last10"
 	voucherDataPathPrefix      = "/api/v1/token"
-	AliasPrefix                = "api/v1/alias"
+	aliasPrefix                = "api/v1/alias"
+	poolDepositPrefix          = "/api/v2/pool/deposit"
+	poolSwapQoutePrefix        = "/api/v2/pool/quote"
+	poolSwapPrefix             = "/api/v2/pool/swap"
+	AliasEnsPrefix             = "/api/v1/bypass"
 )
 
 var (
 	custodialURLBase string
 	dataURLBase      string
 	BearerToken      string
+	aliasEnsURLBase  string
 )
 
 var (
@@ -34,6 +39,10 @@ var (
 	VoucherTransfersURL string
 	VoucherDataURL      string
 	CheckAliasURL       string
+	PoolDepositURL      string
+	PoolSwapQuoteURL    string
+	PoolSwapURL         string
+	AliasEnsURL         string
 )
 
 func setBase() error {
@@ -41,6 +50,7 @@ func setBase() error {
 
 	custodialURLBase = env.GetEnv("CUSTODIAL_URL_BASE", "http://localhost:5003")
 	dataURLBase = env.GetEnv("DATA_URL_BASE", "http://localhost:5006")
+	aliasEnsURLBase = env.GetEnv("ALIAS_ENS_BASE", "http://localhost:5015")
 	BearerToken = env.GetEnv("BEARER_TOKEN", "")
 
 	_, err = url.Parse(custodialURLBase)
@@ -68,7 +78,11 @@ func LoadConfig() error {
 	VoucherHoldingsURL, _ = url.JoinPath(dataURLBase, voucherHoldingsPathPrefix)
 	VoucherTransfersURL, _ = url.JoinPath(dataURLBase, voucherTransfersPathPrefix)
 	VoucherDataURL, _ = url.JoinPath(dataURLBase, voucherDataPathPrefix)
-	CheckAliasURL, _ = url.JoinPath(dataURLBase, AliasPrefix)
+	CheckAliasURL, _ = url.JoinPath(dataURLBase, aliasPrefix)
+	PoolDepositURL, _ = url.JoinPath(custodialURLBase, poolDepositPrefix)
+	PoolSwapQuoteURL, _ = url.JoinPath(custodialURLBase, poolSwapQoutePrefix)
+	PoolSwapURL, _ = url.JoinPath(custodialURLBase, poolSwapPrefix)
+
+	AliasEnsURL, _ = url.JoinPath(aliasEnsURLBase, AliasEnsPrefix)
 	return nil
 }
-

dev/api.go

@@ -12,65 +12,70 @@ import (
 	"strings"
 	"time"
 
-	"github.com/gofrs/uuid"
-	"git.defalsify.org/vise.git/logging"
 	"git.defalsify.org/vise.git/db"
-	"git.grassecon.net/grassrootseconomics/sarafu-api/models"
-	"git.grassecon.net/grassrootseconomics/sarafu-api/event"
+	"git.defalsify.org/vise.git/logging"
 	"git.grassecon.net/grassrootseconomics/common/phone"
+	"git.grassecon.net/grassrootseconomics/sarafu-api/event"
+	"git.grassecon.net/grassrootseconomics/sarafu-api/models"
 	"git.grassecon.net/grassrootseconomics/visedriver/storage"
+	"github.com/gofrs/uuid"
 	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 )
 
 var (
-	logg = logging.NewVanilla().WithDomain("sarafu-api.devapi")
-	aliasRegex = regexp.MustCompile("^\\+?[a-zA-Z0-9\\-_]+$")
+	logg         = logging.NewVanilla().WithDomain("sarafu-api.devapi")
+	aliasRegex   = regexp.MustCompile("^\\+?[a-zA-Z0-9\\-_]+$")
+	searchDomain = ".sarafu.local"
 )
 
 const (
-	pubKeyLen int = 20
-	hashLen int = 32
-	defaultDecimals = 6
-	zeroAddress string = "0x0000000000000000000000000000000000000000"
+	pubKeyLen             int     = 20
+	hashLen               int     = 32
+	defaultDecimals               = 6
+	zeroAddress           string  = "0x0000000000000000000000000000000000000000"
+	defaultVoucherBalance float64 = 500.00
+	cityPoolAddress       string  = "0x3b517308D858a47458aD5C8E699697C5dc91Da0F"
+	poolName              string  = "citypool"
+	PoolSymbol            string  = "CTY"
 )
 
 type Tx struct {
-	Track string `json: "track"`
-	Hsh string `json:"hash"`
-	To string `json:"to"`
-	From string `json: "from"`
-	Voucher string `json: "voucher"`
-	Value int `json: "value"`
-	When time.Time `json: "when"`
+	Track   string    `json: "track"`
+	Hsh     string    `json:"hash"`
+	To      string    `json:"to"`
+	From    string    `json: "from"`
+	Voucher string    `json: "voucher"`
+	Value   int       `json: "value"`
+	When    time.Time `json: "when"`
 }
 
 func (t *Tx) ToTransferEvent() event.EventTokenTransfer {
 	return event.EventTokenTransfer{
-		To: t.To,
-		Value: t.Value,
+		To:             t.To,
+		Value:          t.Value,
 		VoucherAddress: t.Voucher,
-		TxHash: t.Hsh,
-		From: t.From,
+		TxHash:         t.Hsh,
+		From:           t.From,
 	}
 }
 
 func (t *Tx) ToMintEvent() event.EventTokenMint {
 	return event.EventTokenMint{
-		To: t.To,
-		Value: t.Value,
+		To:             t.To,
+		Value:          t.Value,
 		VoucherAddress: t.Voucher,
-		TxHash: t.Hsh,
+		TxHash:         t.Hsh,
 	}
 }
 
 type Account struct {
-	Track string `json: "track"`
-	Address string `json: "address"`
-	Nonce int `json: "nonce"`
-	DefaultVoucher string `json: "defaultVoucher"`
-	Balances map[string]int `json: "balances"` 
-	Alias string
-	Txs []string `json: "txs"`
+	Track          string         `json: "track"`
+	Address        string         `json: "address"`
+	Nonce          int            `json: "nonce"`
+	DefaultVoucher string         `json: "defaultVoucher"`
+	Balances       map[string]int `json: "balances"`
+	Alias          string
+	Txs            []string `json: "txs"`
 }
 
 func (a *Account) ToRegistrationEvent() event.EventCustodialRegistration {
@@ -80,45 +85,54 @@ func (a *Account) ToRegistrationEvent() event.EventCustodialRegistration {
 }
 
 type Voucher struct {
-	Name string `json: "name"`
-	Address string `json: "address"`
-	Symbol string `json: "symbol"`
-	Decimals int `json: "decimals"`
-	Sink string `json: "sink"`
+	Name      string `json: "name"`
+	Address   string `json: "address"`
+	Symbol    string `json: "symbol"`
+	Decimals  int    `json: "decimals"`
+	Sink      string `json: "sink"`
 	Commodity string `json: "commodity"`
-	Location string `json: "location"`
+	Location  string `json: "location"`
+}
+
+type Pool struct {
+	Name      string            `json: "name"`
+	Symbol    string            `json: "symbol"`
+	Address   string            `json: "address"`
+	Vouchers  []Voucher         `json: "voucher"`
+	PoolLimit map[string]string `json: "poollimit"`
 }
 
 type DevAccountService struct {
-	db db.Db
-	accounts map[string]Account
-	accountsTrack map[string]string
-	accountsAlias map[string]string
-	vouchers map[string]Voucher
-	vouchersAddress map[string]string
-	txs map[string]Tx
-	txsTrack map[string]string
-	toAutoCreate bool
-	autoVouchers []string
+	db               db.Db
+	accounts         map[string]Account
+	accountsTrack    map[string]string
+	accountsAlias    map[string]string
+	vouchers         map[string]Voucher
+	vouchersAddress  map[string]string
+	txs              map[string]Tx
+	txsTrack         map[string]string
+	toAutoCreate     bool
+	autoVouchers     []string
 	autoVoucherValue map[string]int
-	defaultAccount string
-	emitterFunc event.EmitterFunc
-	pfx []byte
-//	accountsSession map[string]string
+	defaultAccount   string
+	emitterFunc      event.EmitterFunc
+	pfx              []byte
+	pools            map[string]Pool
 }
 
 func NewDevAccountService(ctx context.Context, ss storage.StorageService) *DevAccountService {
 	svc := &DevAccountService{
-		accounts: make(map[string]Account),
-		accountsTrack: make(map[string]string),
-		accountsAlias: make(map[string]string),
-		vouchers: make(map[string]Voucher),
-		vouchersAddress: make(map[string]string),
-		txs: make(map[string]Tx),
-		txsTrack: make(map[string]string),
+		accounts:         make(map[string]Account),
+		accountsTrack:    make(map[string]string),
+		accountsAlias:    make(map[string]string),
+		vouchers:         make(map[string]Voucher),
+		vouchersAddress:  make(map[string]string),
+		txs:              make(map[string]Tx),
+		txsTrack:         make(map[string]string),
 		autoVoucherValue: make(map[string]int),
-		defaultAccount: zeroAddress,
-		pfx: []byte("__"),
+		pools:            make(map[string]Pool),
+		defaultAccount:   zeroAddress,
+		pfx:              []byte("__"),
 	}
 	if ss != nil {
 		var err error
@@ -151,7 +165,7 @@ func (das *DevAccountService) WithPrefix(pfx []byte) *DevAccountService {
 }
 
 func (das *DevAccountService) prefixKeyFor(k string, v string) []byte {
-	return append(das.pfx, []byte(k + "_" + v)...)
+	return append(das.pfx, []byte(k+"_"+v)...)
 }
 
 func (das *DevAccountService) loadAccount(ctx context.Context, pubKey string, v []byte) error {
@@ -170,6 +184,15 @@ func (das *DevAccountService) loadAccount(ctx context.Context, pubKey string, v
 	return nil
 }
 
+func (p *Pool) hasVoucher(voucherAddress string) bool {
+	for _, value := range p.Vouchers {
+		if value.Address == voucherAddress {
+			return true
+		}
+	}
+	return false
+}
+
 func (das *DevAccountService) loadTx(ctx context.Context, hsh string, v []byte) error {
 	var mytx Tx
 
@@ -183,6 +206,26 @@ func (das *DevAccountService) loadTx(ctx context.Context, hsh string, v []byte)
 	return nil
 }
 
+func (das *DevAccountService) loadAlias(ctx context.Context, alias string, key []byte) error {
+	result, err := das.db.Get(ctx, key)
+	if err != nil {
+		return err
+	}
+	das.accountsAlias[alias] = strings.ReplaceAll(string(result), `"`, "")
+	return nil
+}
+
+func (das *DevAccountService) loadPoolInfo(ctx context.Context, name string, v []byte) error {
+	var pool Pool
+
+	err := json.Unmarshal(v, &pool)
+	if err != nil {
+		return fmt.Errorf("failed to unmarshall pool info: %v", err)
+	}
+	das.pools[name] = pool
+	return nil
+}
+
 func (das *DevAccountService) loadItem(ctx context.Context, k []byte, v []byte) error {
 	var err error
 	s := string(k)
@@ -190,10 +233,18 @@ func (das *DevAccountService) loadItem(ctx context.Context, k []byte, v []byte)
 	if len(ss) != 2 {
 		return fmt.Errorf("malformed key: %s", s)
 	}
+	fmt.Println("S1", ss[0])
 	if ss[0] == "account" {
 		err = das.loadAccount(ctx, ss[1], v)
+		logg.ErrorCtxf(ctx, "loading saved account failed", "error_load_account", err)
 	} else if ss[0] == "tx" {
 		err = das.loadTx(ctx, ss[1], v)
+		logg.ErrorCtxf(ctx, "loading transactions failed", "error_load_txs", err)
+	} else if ss[0] == "alias" {
+		err = das.loadAlias(ctx, ss[1], k)
+		logg.ErrorCtxf(ctx, "loading aliases failed", "error_load_aliases", err)
+	} else if ss[0] == "pool" {
+		err = das.loadPoolInfo(ctx, ss[1], v)
 	} else {
 		logg.ErrorCtxf(ctx, "unknown double underscore key", "key", ss[0])
 	}
@@ -209,13 +260,13 @@ func (das *DevAccountService) loadAll(ctx context.Context) error {
 	}
 	for true {
 		k, v := dumper.Next(ctx)
+		logg.InfoCtxf(ctx, "loading all", "key", string(k), "value", string(v))
 		if k == nil {
 			break
 		}
 		if !bytes.HasPrefix(k, das.pfx) {
 			continue
 		}
-
 		err = das.loadItem(ctx, k, v)
 		if err != nil {
 			return err
@@ -225,7 +276,7 @@ func (das *DevAccountService) loadAll(ctx context.Context) error {
 }
 
 func (das *DevAccountService) indexAll(ctx context.Context) error {
-	for k, v := range(das.txs) {
+	for k, v := range das.txs {
 		acc := das.accounts[v.From]
 		acc.Txs = append(acc.Txs, k)
 		logg.TraceCtxf(ctx, "add tx to sender index", "from", v.From, "tx", k)
@@ -250,6 +301,35 @@ func (das *DevAccountService) WithAutoVoucher(ctx context.Context, symbol string
 	return das
 }
 
+func (das *DevAccountService) RegisterPool(ctx context.Context, name string, sm string) error {
+	var seedVouchers []Voucher
+
+	h := sha1.New()
+	h.Write([]byte(sm))
+	z := h.Sum(nil)
+	pooladdr := fmt.Sprintf("0x%x", z)
+
+	p := Pool{
+		Name:      name,
+		Symbol:    sm,
+		Address:   pooladdr,
+		PoolLimit: make(map[string]string),
+	}
+
+	for _, v := range das.vouchers {
+		//pre-load vouchers with vouchers when a pool is registered
+		seedVouchers = append(seedVouchers, v)
+		p.PoolLimit[v.Address] = fmt.Sprintf("%f", defaultVoucherBalance)
+	}
+	p.Vouchers = append(p.Vouchers, seedVouchers...)
+
+	err := das.savePoolInfo(ctx, p)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 // TODO: add persistence for vouchers
 // TODO: set max balance for 0x00 address
 func (das *DevAccountService) AddVoucher(ctx context.Context, symbol string) error {
@@ -265,8 +345,8 @@ func (das *DevAccountService) AddVoucher(ctx context.Context, symbol string) err
 	z := h.Sum(nil)
 	address := fmt.Sprintf("0x%x", z)
 	das.vouchers[symbol] = Voucher{
-		Name: symbol,
-		Symbol: symbol,
+		Name:    symbol,
+		Symbol:  symbol,
 		Address: address,
 	}
 	das.vouchersAddress[address] = symbol
@@ -288,14 +368,14 @@ func (das *DevAccountService) CheckBalance(ctx context.Context, publicKey string
 	if !ok {
 		return nil, fmt.Errorf("balance not found for default token %s pubkey %v", acc.DefaultVoucher, publicKey)
 	}
-	return &models.BalanceResult {
+	return &models.BalanceResult{
 		Balance: strconv.Itoa(bal),
-		Nonce: json.Number(strconv.Itoa(acc.Nonce)),
+		Nonce:   json.Number(strconv.Itoa(acc.Nonce)),
 	}, nil
 }
 
 func (das *DevAccountService) balanceAuto(ctx context.Context, pubKey string) error {
-	for _, v := range(das.autoVouchers) {
+	for _, v := range das.autoVouchers {
 		voucher, ok := das.vouchers[v]
 		if !ok {
 			return fmt.Errorf("balance auto voucher set but not resolved: %s", v)
@@ -312,6 +392,10 @@ func (das *DevAccountService) balanceAuto(ctx context.Context, pubKey string) er
 	return nil
 }
 
+func (das *DevAccountService) GetAliases(ctx context.Context) map[string]string {
+	return das.accountsAlias
+}
+
 func (das *DevAccountService) saveAccount(ctx context.Context, acc Account) error {
 	if das.db == nil {
 		return nil
@@ -326,6 +410,37 @@ func (das *DevAccountService) saveAccount(ctx context.Context, acc Account) erro
 	return das.db.Put(ctx, []byte(k), v)
 }
 
+func (das *DevAccountService) savePoolInfo(ctx context.Context, pool Pool) error {
+	if das.db == nil {
+		return nil
+	}
+	k := das.prefixKeyFor("pool", pool.Address)
+	v, err := json.Marshal(pool)
+	if err != nil {
+		return err
+	}
+	das.db.SetSession("")
+	das.db.SetPrefix(db.DATATYPE_USERDATA)
+	return das.db.Put(ctx, []byte(k), v)
+}
+
+func (das *DevAccountService) saveAlias(ctx context.Context, alias map[string]string) error {
+	if das.db == nil {
+		return fmt.Errorf("Db cannot be nil")
+	}
+	for k, v := range alias {
+		k_ := das.prefixKeyFor("alias", k)
+		v_, err := json.Marshal(v)
+		if err != nil {
+			return err
+		}
+		das.db.SetSession("")
+		das.db.SetPrefix(db.DATATYPE_USERDATA)
+		return das.db.Put(ctx, []byte(k_), v_)
+	}
+	return nil
+}
+
 func (das *DevAccountService) CreateAccount(ctx context.Context) (*models.AccountResult, error) {
 	var b [pubKeyLen]byte
 	uid, err := uuid.NewV4()
@@ -341,7 +456,7 @@ func (das *DevAccountService) CreateAccount(ctx context.Context) (*models.Accoun
 	}
 	pubKey := fmt.Sprintf("0x%x", b)
 	acc := Account{
-		Track: uid.String(),
+		Track:   uid.String(),
 		Address: pubKey,
 	}
 
@@ -363,7 +478,7 @@ func (das *DevAccountService) CreateAccount(ctx context.Context) (*models.Accoun
 
 	if das.emitterFunc != nil {
 		msg := event.Msg{
-			Typ: event.EventRegistrationTag,
+			Typ:  event.EventRegistrationTag,
 			Item: acc,
 		}
 		err = das.emitterFunc(ctx, msg)
@@ -374,11 +489,85 @@ func (das *DevAccountService) CreateAccount(ctx context.Context) (*models.Accoun
 	logg.TraceCtxf(ctx, "account created", "account", acc)
 
 	return &models.AccountResult{
-		PublicKey: pubKey,
+		PublicKey:  pubKey,
 		TrackingId: uid.String(),
 	}, nil
 }
 
+func (das *DevAccountService) PoolDeposit(ctx context.Context, amount, from, poolAddress, tokenAddress string) (*models.PoolDepositResult, error) {
+	_, ok := das.accounts[from]
+	if !ok {
+		return nil, fmt.Errorf("account not found (publickey): %v", from)
+	}
+	sym, ok := das.vouchersAddress[tokenAddress]
+	if !ok {
+		return nil, fmt.Errorf("voucher address %v not found", tokenAddress)
+	}
+	uid, err := uuid.NewV4()
+	if err != nil {
+		return nil, err
+	}
+
+	_, ok = das.vouchers[sym]
+	if !ok {
+		return nil, fmt.Errorf("voucher address %v found but does not resolve", tokenAddress)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+	return &models.PoolDepositResult{
+		TrackingId: uid.String(),
+	}, nil
+}
+
+func (das *DevAccountService) GetPoolSwapQuote(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapQuoteResult, error) {
+	_, ok := das.accounts[from]
+	if !ok {
+		return nil, fmt.Errorf("account not found (publickey): %v", from)
+	}
+	p, ok := das.pools[poolAddress]
+	if !ok {
+		return nil, fmt.Errorf("pool address %v not found", poolAddress)
+	}
+
+	//resolve the token address you are trying to swap from(fromTokenAddress)
+	ok = p.hasVoucher(fromTokenAddress)
+	if !ok {
+		return nil, fmt.Errorf("voucher with address %v not found in the pool", fromTokenAddress)
+	}
+
+	//Return a a quote that is equal to the amount entered
+	return &models.PoolSwapQuoteResult{IncludesFeesDeduction: false, OutValue: amount}, nil
+}
+
+func (das *DevAccountService) PoolSwap(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapResult, error) {
+	uid, err := uuid.NewV4()
+	if err != nil {
+		return nil, err
+	}
+
+	p, ok := das.pools[poolAddress]
+	if !ok {
+		return nil, fmt.Errorf("pool address %v not found", toTokenAddress)
+	}
+	_, ok = das.accounts[from]
+	if !ok {
+		return nil, fmt.Errorf("account not found (publickey): %v", from)
+	}
+	ok = p.hasVoucher(fromTokenAddress)
+	if !ok {
+		return nil, fmt.Errorf("token %v not found in the pool", fromTokenAddress)
+	}
+
+	ok = p.hasVoucher(toTokenAddress)
+	if !ok {
+		return nil, fmt.Errorf("token %v not found in the pool", toTokenAddress)
+	}
+
+	return &models.PoolSwapResult{TrackingId: uid.String()}, nil
+}
+
 func (das *DevAccountService) TrackAccountStatus(ctx context.Context, publicKey string) (*models.TrackStatusResult, error) {
 	var ok bool
 	_, ok = das.accounts[publicKey]
@@ -392,22 +581,20 @@ func (das *DevAccountService) TrackAccountStatus(ctx context.Context, publicKey
 
 func (das *DevAccountService) FetchVouchers(ctx context.Context, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
 	var holdings []dataserviceapi.TokenHoldings
-	acc, ok := das.accounts[publicKey]
+	_, ok := das.accounts[publicKey]
 	if !ok {
 		return nil, fmt.Errorf("account not found (publickey): %v", publicKey)
 	}
-	for k, v := range(acc.Balances) {
-		voucher, ok := das.vouchers[k]
-		if !ok {
-			return nil, fmt.Errorf("voucher has balance but object not found: %v", k)
-		}
+	//TODO: Iterate over the account acc.Balances object
+	for _, voucher := range das.vouchers {
 		holdings = append(holdings, dataserviceapi.TokenHoldings{
 			ContractAddress: voucher.Address,
-			TokenSymbol: voucher.Symbol,
-			TokenDecimals: strconv.Itoa(voucher.Decimals),
-			Balance: strconv.Itoa(v),
+			TokenSymbol:     voucher.Symbol,
+			TokenDecimals:   strconv.Itoa(voucher.Decimals),
+			Balance:         strconv.Itoa(int(defaultVoucherBalance)),
 		})
 	}
+
 	return holdings, nil
 }
 
@@ -417,24 +604,24 @@ func (das *DevAccountService) FetchTransactions(ctx context.Context, publicKey s
 	if !ok {
 		return nil, fmt.Errorf("account not found (publickey): %v", publicKey)
 	}
-	for i, v := range(acc.Txs) {
+	for i, v := range acc.Txs {
 		mytx := das.txs[v]
 		if i == 10 {
-			break	
+			break
 		}
 		voucher, ok := das.vouchers[mytx.Voucher]
 		if !ok {
 			return nil, fmt.Errorf("voucher %s in tx list but not found in voucher list", mytx.Voucher)
 		}
 		lasttx = append(lasttx, dataserviceapi.Last10TxResponse{
-			Sender: mytx.From,
-			Recipient: mytx.To,
-			TransferValue: strconv.Itoa(mytx.Value),
+			Sender:          mytx.From,
+			Recipient:       mytx.To,
+			TransferValue:   strconv.Itoa(mytx.Value),
 			ContractAddress: voucher.Address,
-			TxHash: mytx.Hsh,
-			DateBlock: mytx.When,
-			TokenSymbol: voucher.Symbol,
-			TokenDecimals: strconv.Itoa(voucher.Decimals),
+			TxHash:          mytx.Hsh,
+			DateBlock:       mytx.When,
+			TokenSymbol:     voucher.Symbol,
+			TokenDecimals:   strconv.Itoa(voucher.Decimals),
 		})
 	}
 	return lasttx, nil
@@ -450,13 +637,12 @@ func (das *DevAccountService) VoucherData(ctx context.Context, address string) (
 		return nil, fmt.Errorf("voucher address %v found but does not resolve", address)
 	}
 	return &models.VoucherDataResult{
-		TokenName: voucher.Name,
-		TokenSymbol: voucher.Symbol,
-		TokenDecimals: voucher.Decimals,
-		SinkAddress: voucher.Sink,
+		TokenName:      voucher.Name,
+		TokenSymbol:    voucher.Symbol,
+		TokenDecimals:  voucher.Decimals,
+		SinkAddress:    voucher.Sink,
 		TokenCommodity: voucher.Commodity,
-		TokenLocation: voucher.Location,
-
+		TokenLocation:  voucher.Location,
 	}, nil
 }
 
@@ -481,12 +667,12 @@ func (das *DevAccountService) TokenTransfer(ctx context.Context, amount, from, t
 	}
 	accFrom, ok := das.accounts[from]
 	if !ok {
-		return nil, fmt.Errorf("sender account %v not found", from)	
+		return nil, fmt.Errorf("sender account %v not found", from)
 	}
 	accTo, ok := das.accounts[to]
 	if !ok {
 		if !das.toAutoCreate {
-			return nil, fmt.Errorf("recipient account %v not found, and not creating", from)	
+			return nil, fmt.Errorf("recipient account %v not found, and not creating", from)
 		}
 	}
 
@@ -512,13 +698,13 @@ func (das *DevAccountService) TokenTransfer(ctx context.Context, amount, from, t
 	}
 	hsh := fmt.Sprintf("0x%x", b)
 	mytx := Tx{
-		Hsh: hsh,
-		To: accTo.Address,
-		From: accFrom.Address,
+		Hsh:     hsh,
+		To:      accTo.Address,
+		From:    accFrom.Address,
 		Voucher: voucher.Symbol,
-		Value: value,
-		Track: uid.String(),
-		When: time.Now(),
+		Value:   value,
+		Track:   uid.String(),
+		When:    time.Now(),
 	}
 	err = das.saveTokenTransfer(ctx, mytx)
 	if err != nil {
@@ -527,7 +713,7 @@ func (das *DevAccountService) TokenTransfer(ctx context.Context, amount, from, t
 	das.txs[hsh] = mytx
 	if das.emitterFunc != nil {
 		msg := event.Msg{
-			Typ: event.EventTokenTransferTag,
+			Typ:  event.EventTokenTransferTag,
 			Item: mytx,
 		}
 		err = das.emitterFunc(ctx, msg)
@@ -544,10 +730,12 @@ func (das *DevAccountService) TokenTransfer(ctx context.Context, amount, from, t
 func (das *DevAccountService) CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
 	addr, ok := das.accountsAlias[alias]
 	if !ok {
+		logg.ErrorCtxf(ctx, "alias check failed", "alias", alias)
 		return nil, fmt.Errorf("alias %s not found", alias)
 	}
 	acc, ok := das.accounts[addr]
 	if !ok {
+		logg.ErrorCtxf(ctx, "failed to resolve alias", "alias", alias)
 		return nil, fmt.Errorf("alias %s found but does not resolve", alias)
 	}
 	return &models.AliasAddress{
@@ -568,16 +756,29 @@ func (das *DevAccountService) applyPhoneAlias(ctx context.Context, publicKey str
 
 func (das *DevAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
 	var alias string
+	uid, err := uuid.NewV4()
 	if !aliasRegex.MatchString(hint) {
+		logg.ErrorCtxf(ctx, "alias hint does not match", "key", publicKey, "hint", 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)
+		//Handle accounts created via the api
+		acc = Account{
+			Track:   uid.String(),
+			Address: publicKey,
+		}
+		err = das.saveAccount(ctx, acc)
+		if err != nil {
+			logg.ErrorCtxf(ctx, "account save failed with", "account", acc, "account_save_error", err)
+			return nil, err
+		}
+		das.accounts[publicKey] = acc
 	}
 	alias = hint
 	isPhone, err := das.applyPhoneAlias(ctx, publicKey, alias)
 	if err != nil {
+		logg.ErrorCtxf(ctx, "failed to apply phone alias", "public key", publicKey, "alias", alias, "error", err)
 		return nil, fmt.Errorf("phone parser error: %v", err)
 	}
 	if !isPhone {
@@ -592,10 +793,80 @@ func (das *DevAccountService) RequestAlias(ctx context.Context, publicKey string
 			alias += "x"
 		}
 		acc.Alias = alias
+		alias = alias + searchDomain
 		das.accountsAlias[alias] = publicKey
+		err := das.saveAlias(ctx, map[string]string{alias: publicKey})
+		if err != nil {
+			logg.ErrorCtxf(ctx, "account save error", "public key", publicKey, "alias", alias, "alias_save_error", err)
+			return nil, fmt.Errorf("Failed to save the account alias with error:  %s", err.Error())
+		}
 	}
 	logg.DebugCtxf(ctx, "set alias", "addr", publicKey, "alias", alias)
 	return &models.RequestAliasResult{
 		Alias: alias,
 	}, nil
 }
+
+func (das *DevAccountService) FetchTopPools(ctx context.Context) ([]dataserviceapi.PoolDetails, error) {
+	var topPools []dataserviceapi.PoolDetails
+	for _, p := range das.pools {
+		topPools = append(topPools, dataserviceapi.PoolDetails{
+			PoolName:            p.Name,
+			PoolSymbol:          p.Symbol,
+			PoolContractAdrress: p.Address,
+		})
+	}
+	return topPools, nil
+}
+
+func (das *DevAccountService) GetPoolSwappableFromVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	var swapFromList []dataserviceapi.TokenHoldings
+
+	p, ok := das.pools[poolAddress]
+	if !ok {
+		return nil, fmt.Errorf("Invalid pool address: %v", poolAddress)
+	}
+	for _, v := range p.Vouchers {
+		swapFromList = append(swapFromList, dataserviceapi.TokenHoldings{
+			ContractAddress: v.Address,
+			TokenSymbol:     v.Symbol,
+			TokenDecimals:   string(defaultDecimals),
+			Balance:         fmt.Sprintf("%f", defaultVoucherBalance),
+		})
+	}
+
+	return swapFromList, nil
+}
+
+func (das *DevAccountService) GetPoolSwappableVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	var swapToList []dataserviceapi.TokenHoldings
+	_, ok := das.pools[poolAddress]
+	if !ok {
+		return nil, fmt.Errorf("Invalid pool address: %v", poolAddress)
+	}
+	for _, voucher := range das.vouchers {
+		swapToList = append(swapToList, dataserviceapi.TokenHoldings{
+			ContractAddress: voucher.Address,
+			TokenSymbol:     voucher.Symbol,
+			TokenDecimals:   string(defaultDecimals),
+			Balance:         fmt.Sprintf("%f", defaultVoucherBalance),
+		})
+	}
+	return swapToList, nil
+}
+
+func (das *DevAccountService) GetSwapFromTokenMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.MaxLimitResult, error) {
+
+	p, ok := das.pools[poolAddress]
+	if !ok {
+		return nil, fmt.Errorf("Pool address: %v not found ", poolAddress)
+	}
+	limit, ok := p.PoolLimit[fromTokenAddress]
+	if !ok {
+		return nil, fmt.Errorf("Token address: %v not found in the pool", fromTokenAddress)
+	}
+
+	return &models.MaxLimitResult{
+		Max: limit,
+	}, nil
+}

dev/api_test.go

@@ -9,6 +9,7 @@ import (
 
 func TestApiRequestAlias(t *testing.T) {
 	ctx := context.Background()
+	ctx = context.WithValue(ctx, "SessionId", "+25471234565")
 	storageService := mocks.NewMemStorageService(ctx)
 	svc := NewDevAccountService(ctx, storageService)
 	ra, err := svc.CreateAccount(ctx)
@@ -16,10 +17,10 @@ func TestApiRequestAlias(t *testing.T) {
 		t.Fatal(err)
 	}
 	addr := ra.PublicKey
-	
+
 	_, err = svc.RequestAlias(ctx, addr, "+254f00")
 	if err == nil {
-		t.Fatalf("expected error")		
+		t.Fatalf("expected error")
 	}
 	alias := "+254712345678"
 	rb, err := svc.RequestAlias(ctx, addr, alias)
@@ -39,6 +40,7 @@ func TestApiRequestAlias(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	alias = "foo.sarafu.local"
 	if rb.Alias != alias {
 		t.Fatalf("expected '%s', got '%s'", alias, rb.Alias)
 	}
@@ -56,12 +58,12 @@ func TestApiRequestAlias(t *testing.T) {
 		t.Fatal(err)
 	}
 	addr = ra.PublicKey
-
+	alias = "foox"
 	rb, err = svc.RequestAlias(ctx, addr, alias)
 	if err != nil {
 		t.Fatal(err)
 	}
-	alias = "foox"
+	alias = "foox.sarafu.local"
 	if rb.Alias != alias {
 		t.Fatalf("expected '%s', got '%s'", alias, rb.Alias)
 	}

dev/data/swap_from.json

@@ -0,0 +1,32 @@
+{
+    "ok": true,
+    "description": "Swap from list",
+    "result": {
+        "filtered": [
+            {
+                "contractAddress": "0xc7B78Ac9ACB9E025C8234621FC515bC58179dEAe",
+                "tokenSymbol": "AMANI",
+                "tokenDecimals": "6",
+                "balance": ""
+            },
+            {
+                "contractAddress": "0xF0C3C7581b8b96B59a97daEc8Bd48247cE078674",
+                "tokenSymbol": "AMUA",
+                "tokenDecimals": "6",
+                "balance": ""
+            },
+            {
+                "contractAddress": "0x371455a30fc62736145Bd8429Fcc6481186f235F",
+                "tokenSymbol": "BAHARI",
+                "tokenDecimals": "6",
+                "balance": ""
+            },
+            {
+                "contractAddress": "0x7cA6113b59c24a880F382C7E12d609a6Eb05246b",
+                "tokenSymbol": "BANGLA",
+                "tokenDecimals": "6",
+                "balance": ""
+            }
+        ]
+    }
+}

dev/data/swap_to.json

@@ -0,0 +1,14 @@
+{
+    "ok": true,
+    "description": "Swap to list",
+    "result": {
+        "filtered": [
+            {
+                "contractAddress": "0x765DE816845861e75A25fCA122bb6898B8B1282a",
+                "tokenSymbol": "cUSD",
+                "tokenDecimals": "18",
+                "balance": ""
+            }
+        ]
+    }
+}

dev/data/top_pools.json

@@ -0,0 +1,43 @@
+{
+    "ok": true,
+    "description": "Top 5 pools sorted by swaps",
+    "result": {
+        "topPools": [
+            {
+                "poolName": "Kenya ROLA Pool",
+                "poolSymbol": "ROLA",
+                "poolContractAddress": "0x48a953cA5cf5298bc6f6Af3C608351f537AAcb9e",
+                "limiterAddress": "",
+                "voucherRegistry": ""
+            },
+            {
+                "poolName": "Nairobi ROLA Pool",
+                "poolSymbol": "NAIROBI",
+                "poolContractAddress": "0xB0660Ac1Ee3d32ea35bc728D7CA1705Fa5A37528",
+                "limiterAddress": "",
+                "voucherRegistry": ""
+            },
+            {
+                "poolName": "Friends of Kiriba Ecosystem ",
+                "poolSymbol": "FRIENDS",
+                "poolContractAddress": "0xC4848263821FA02baB2181910A2eFb9CECb2c21C",
+                "limiterAddress": "",
+                "voucherRegistry": ""
+            },
+            {
+                "poolName": "Resilient Community Waqfs",
+                "poolSymbol": "REZILIENS",
+                "poolContractAddress": "0x1e40951d7a28147D8B4A554C60c42766C92e2Fc6",
+                "limiterAddress": "",
+                "voucherRegistry": ""
+            },
+            {
+                "poolName": "GrE Tech",
+                "poolSymbol": "GRET",
+                "poolContractAddress": "0xb7B9d0A264eD1a8E2418571B7AC5933C79C9c2B8",
+                "limiterAddress": "",
+                "voucherRegistry": ""
+            }
+        ]
+    }
+}

event/msg.go

@@ -8,12 +8,12 @@ import (
 const (
 	// TODO: integrate with sarafu-vise-events
 	EventTokenTransferTag = "TOKEN_TRANSFER"
-	EventTokenMintTag = "TOKEN_MINT"
-	EventRegistrationTag = "CUSTODIAL_REGISTRATION"
+	EventTokenMintTag     = "TOKEN_MINT"
+	EventRegistrationTag  = "CUSTODIAL_REGISTRATION"
 )
 
 type Msg struct {
-	Typ string
+	Typ  string
 	Item any
 }
 
@@ -26,17 +26,17 @@ type EventCustodialRegistration struct {
 
 // fields used for handling token transfer event.
 type EventTokenTransfer struct {
-	To string
-	Value int
+	To             string
+	Value          int
 	VoucherAddress string
-	TxHash string
-	From string
+	TxHash         string
+	From           string
 }
 
 type EventTokenMint struct {
-	To string
-	Value int
-	TxHash string
+	To             string
+	Value          int
+	TxHash         string
 	VoucherAddress string
 }
 

go.mod

@@ -3,12 +3,12 @@ module git.grassecon.net/grassrootseconomics/sarafu-api
 go 1.23.4
 
 require (
-	git.defalsify.org/vise.git v0.2.3-0.20250114225117-3b5fc85b650b
-	git.grassecon.net/grassrootseconomics/common v0.0.0-20250113174703-6afccefd1f05
-	git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250115003256-c0534ede1b63
+	git.defalsify.org/vise.git v0.2.3-0.20250120121301-10739fb4a8c9
+	git.grassecon.net/grassrootseconomics/common v0.0.0-20250121134736-ba8cbbccea7d
+	git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250122123424-6749c632b0a2
 	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
+	github.com/grassrootseconomics/ussd-data-service v1.4.0-beta
 	github.com/stretchr/testify v1.9.0
 )
 

go.sum

@@ -1,9 +1,9 @@
-git.defalsify.org/vise.git v0.2.3-0.20250114225117-3b5fc85b650b h1:rwWXMtNSn7aqhb4p1oVZkCA1vC7pVdohwW61QQM8fUs=
-git.defalsify.org/vise.git v0.2.3-0.20250114225117-3b5fc85b650b/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
-git.grassecon.net/grassrootseconomics/common v0.0.0-20250113174703-6afccefd1f05 h1:BenzGx6aDHKDwE23/mWIFD2InYIXyzHroZWV3MF5WUk=
-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=
+git.defalsify.org/vise.git v0.2.3-0.20250120121301-10739fb4a8c9 h1:sPcqXQcywxA8W3W+9qQncLPmsrgqTIlec7vmD4/7vyA=
+git.defalsify.org/vise.git v0.2.3-0.20250120121301-10739fb4a8c9/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
+git.grassecon.net/grassrootseconomics/common v0.0.0-20250121134736-ba8cbbccea7d h1:5mzLas+jxTUtusOKx4XvU+n2QvrV/mH17MnJRy46siQ=
+git.grassecon.net/grassrootseconomics/common v0.0.0-20250121134736-ba8cbbccea7d/go.mod h1:wgQJZGIS6QuNLHqDhcsvehsbn5PvgV7aziRebMnJi60=
+git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250122123424-6749c632b0a2 h1:ON77G5K0JNuwPb5JT/hRfF6G6+xstlBQgEIEzWydnhg=
+git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250122123424-6749c632b0a2/go.mod h1:pjKp9L/ZsWW3kMB0UoIl1yv9TBIuU33mn9Aghxp7vGk=
 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=
@@ -18,6 +18,8 @@ github.com/grassrootseconomics/eth-custodial v1.3.0-beta h1:twrMBhl89GqDUL9PlkzQ
 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/grassrootseconomics/ussd-data-service v1.4.0-beta h1:4fMd/3h2ZIhRg4GdHQmRw5FfD3MpJvFNNJQo+Q27f5M=
+github.com/grassrootseconomics/ussd-data-service v1.4.0-beta/go.mod h1:9sGnorpKaK76FmOGXoh/xv7x5siSFNYdXxQo9BKW4DI=
 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=
 github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=

models/alias_response.go

@@ -7,3 +7,13 @@ type RequestAliasResult struct {
 type AliasAddress struct {
 	Address string
 }
+
+type AliasEnsResult struct {
+	Address    string `json:"address"`
+	AutoChoose bool   `json:"autoChoose"`
+	Name       string `json:"name"`
+}
+
+type AliasEnsAddressResult struct {
+	Address string `json:"address"`
+}

models/pool_swap_response.go

@@ -0,0 +1,18 @@
+package models
+
+type PoolDepositResult struct {
+	TrackingId string `json:"trackingId"`
+}
+
+type PoolSwapQuoteResult struct {
+	IncludesFeesDeduction bool   `json:"includesFeesDeduction"`
+	OutValue              string `json:"outValue"`
+}
+
+type PoolSwapResult struct {
+	TrackingId string `json:"trackingId"`
+}
+
+type MaxLimitResult struct {
+	Max string `json:"max"`
+}

remote/account_service.go

@@ -17,4 +17,11 @@ type AccountService interface {
 	TokenTransfer(ctx context.Context, amount, from, to, tokenAddress string) (*models.TokenTransferResponse, error)
 	CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error)
 	RequestAlias(ctx context.Context, hint string, publicKey string) (*models.RequestAliasResult, error)
+	PoolDeposit(ctx context.Context, amount, from, poolAddress, tokenAddress string) (*models.PoolDepositResult, error)
+	FetchTopPools(ctx context.Context) ([]dataserviceapi.PoolDetails, error)
+	GetPoolSwappableFromVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error)
+	GetPoolSwappableVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error)
+	GetPoolSwapQuote(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapQuoteResult, error)
+	PoolSwap(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapResult, error)
+	GetSwapFromTokenMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.MaxLimitResult, error)
 }

remote/http/service.go

@@ -3,21 +3,33 @@ package http
 import (
 	"bytes"
 	"context"
-	"fmt"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"io"
 	"log"
 	"net/http"
 	"net/url"
+	"regexp"
+	"strings"
 
+	"git.defalsify.org/vise.git/logging"
 	"git.grassecon.net/grassrootseconomics/sarafu-api/config"
+	"git.grassecon.net/grassrootseconomics/sarafu-api/dev"
 	"git.grassecon.net/grassrootseconomics/sarafu-api/models"
+	"git.grassecon.net/grassrootseconomics/visedriver/storage"
 	"github.com/grassrootseconomics/eth-custodial/pkg/api"
 	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 )
 
+var (
+	aliasRegex = regexp.MustCompile("^\\+?[a-zA-Z0-9\\-_]+$")
+	logg       = logging.NewVanilla().WithDomain("sarafu-api.devapi")
+)
+
 type HTTPAccountService struct {
+	SS     storage.StorageService
+	UseApi bool
 }
 
 // Parameters:
@@ -50,6 +62,10 @@ func (as *HTTPAccountService) TrackAccountStatus(ctx context.Context, publicKey
 	return &r, nil
 }
 
+func (as *HTTPAccountService) ToFqdn(alias string) string {
+	return alias + ".sarafu.eth"
+}
+
 // CheckBalance retrieves the balance for a given public key from the custodial balance API endpoint.
 // Parameters:
 //   - publicKey: The public key associated with the account whose balance needs to be checked.
@@ -204,24 +220,197 @@ func (as *HTTPAccountService) TokenTransfer(ctx context.Context, amount, from, t
 // Parameters:
 //   - alias: The alias of the user.
 func (as *HTTPAccountService) CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
-	var r models.AliasAddress
+	if as.SS == nil {
+		return nil, fmt.Errorf("The storage service cannot be nil")
+	}
+	logg.InfoCtxf(ctx, "resolving alias before formatting", "alias", alias)
+	svc := dev.NewDevAccountService(ctx, as.SS)
+	if as.UseApi {
+		logg.InfoCtxf(ctx, "resolving alias to address", "alias", alias)
+		return resolveAliasAddress(ctx, alias)
+	} else {
+		return svc.CheckAliasAddress(ctx, alias)
+	}
+}
 
-	ep, err := url.JoinPath(config.CheckAliasURL, alias)
+func resolveAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
+	var (
+		aliasEnsResult models.AliasEnsAddressResult
+	)
+
+	ep, err := url.JoinPath(config.AliasEnsURL, "/resolve")
 	if err != nil {
 		return nil, err
 	}
 
-	req, err := http.NewRequest("GET", ep, nil)
+	u, err := url.Parse(ep)
 	if err != nil {
 		return nil, err
 	}
 
+	query := u.Query()
+	query.Set("name", alias)
+	u.RawQuery = query.Encode()
+
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return nil, err
+	}
+	_, err = doRequest(ctx, req, &aliasEnsResult)
+	if err != nil {
+		return nil, err
+	}
+	return &models.AliasAddress{Address: aliasEnsResult.Address}, err
+}
+
+func (as *HTTPAccountService) FetchTopPools(ctx context.Context) ([]dataserviceapi.PoolDetails, error) {
+	svc := dev.NewDevAccountService(ctx, as.SS)
+	return svc.FetchTopPools(ctx)
+}
+
+func (as *HTTPAccountService) PoolDeposit(ctx context.Context, amount, from, poolAddress, tokenAddress string) (*models.PoolDepositResult, error) {
+	var r models.PoolDepositResult
+
+	//pool deposit payload
+	payload := map[string]string{
+		"amount":       amount,
+		"from":         from,
+		"poolAddress":  poolAddress,
+		"tokenAddress": tokenAddress,
+	}
+
+	payloadBytes, err := json.Marshal(payload)
+	if err != nil {
+		return nil, err
+	}
+	req, err := http.NewRequest("POST", config.TokenTransferURL, bytes.NewBuffer(payloadBytes))
+	if err != nil {
+		return nil, err
+	}
 	_, err = doRequest(ctx, req, &r)
-	return &r, err
+	if err != nil {
+		return nil, err
+	}
+	return &r, nil
+}
+
+func (as *HTTPAccountService) GetPoolSwapQuote(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapQuoteResult, error) {
+	var r models.PoolSwapQuoteResult
+
+	//pool swap quote payload
+	payload := map[string]string{
+		"amount":           amount,
+		"from":             from,
+		"fromTokenAddress": fromTokenAddress,
+		"poolAddress":      poolAddress,
+		"toTokenAddress":   toTokenAddress,
+	}
+
+	payloadBytes, err := json.Marshal(payload)
+	if err != nil {
+		return nil, err
+	}
+	req, err := http.NewRequest("POST", config.PoolSwapQuoteURL, bytes.NewBuffer(payloadBytes))
+	if err != nil {
+		return nil, err
+	}
+	_, err = doRequest(ctx, req, &r)
+	if err != nil {
+		return nil, err
+	}
+	return &r, nil
+}
+
+func (as *HTTPAccountService) GetPoolSwappableFromVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	svc := dev.NewDevAccountService(ctx, as.SS)
+	return svc.GetPoolSwappableFromVouchers(ctx, poolAddress, publicKey)
+}
+
+func (as *HTTPAccountService) GetPoolSwappableVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	svc := dev.NewDevAccountService(ctx, as.SS)
+	return svc.GetPoolSwappableVouchers(ctx, poolAddress, publicKey)
+}
+
+func (as *HTTPAccountService) PoolSwap(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapResult, error) {
+	var r models.PoolSwapResult
+
+	//swap payload
+	payload := map[string]string{
+		"amount":           amount,
+		"from":             from,
+		"fromTokenAddress": fromTokenAddress,
+		"poolAddress":      poolAddress,
+		"toTokenAddress":   toTokenAddress,
+	}
+
+	payloadBytes, err := json.Marshal(payload)
+	if err != nil {
+		return nil, err
+	}
+	req, err := http.NewRequest("POST", config.PoolSwapQuoteURL, bytes.NewBuffer(payloadBytes))
+	if err != nil {
+		return nil, err
+	}
+	_, err = doRequest(ctx, req, &r)
+	if err != nil {
+		return nil, err
+	}
+	return &r, nil
+}
+
+func (as *HTTPAccountService) GetSwapFromTokenMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.MaxLimitResult, error) {
+	svc := dev.NewDevAccountService(ctx, as.SS)
+	return svc.GetSwapFromTokenMaxLimit(ctx, poolAddress, fromTokenAddress, toTokenAddress, publicKey)
 }
 
 func (as *HTTPAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
-	return nil, fmt.Errorf("not yet implemented")
+	if as.SS == nil {
+		return nil, fmt.Errorf("The storage service cannot be nil")
+	}
+	if as.UseApi {
+		if !strings.Contains(hint, ".") {
+			hint = as.ToFqdn(hint)
+		}
+		enr, err := requestEnsAlias(ctx, publicKey, hint)
+		if err != nil {
+			return nil, err
+		}
+		return &models.RequestAliasResult{Alias: enr.Name}, nil
+	} else {
+		svc := dev.NewDevAccountService(ctx, as.SS)
+		return svc.RequestAlias(ctx, publicKey, hint)
+	}
+}
+
+func requestEnsAlias(ctx context.Context, publicKey string, hint string) (*models.AliasEnsResult, error) {
+	var r models.AliasEnsResult
+
+	ep, err := url.JoinPath(config.AliasEnsURL, "/register")
+	if err != nil {
+		return nil, err
+	}
+	logg.InfoCtxf(ctx, "requesting alias", "endpoint", ep, "hint", hint)
+	//Payload with the address and hint to derive an ENS name
+	payload := map[string]string{
+		"address": publicKey,
+		"hint":    hint,
+	}
+	payloadBytes, err := json.Marshal(payload)
+	if err != nil {
+		return nil, err
+	}
+	req, err := http.NewRequest("POST", ep, bytes.NewBuffer(payloadBytes))
+	if err != nil {
+		return nil, err
+	}
+	// Log the request body
+	logg.InfoCtxf(ctx, "request body", "payload", string(payloadBytes))
+	_, err = doRequest(ctx, req, &r)
+	if err != nil {
+		return nil, err
+	}
+	logg.InfoCtxf(ctx, "alias successfully assigned", "alias", r.Name)
+	return &r, nil
 }
 
 // TODO: remove eth-custodial api dependency

testutil/mocks/api_mock.go

@@ -4,8 +4,8 @@ import (
 	"context"
 
 	"git.defalsify.org/vise.git/logging"
-	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 	"git.grassecon.net/grassrootseconomics/sarafu-api/models"
+	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 )
 
 var (
@@ -14,52 +14,50 @@ var (
 
 const (
 	AliceChecksum = "0xeae046BF396e91f5A8D74f863dC57c107c8a4a70"
-	BobChecksum = "0xB3117202371853e24B725d4169D87616A7dDb127"
-	AliceSession = "5553425"
+	BobChecksum   = "0xB3117202371853e24B725d4169D87616A7dDb127"
+	AliceSession  = "5553425"
 )
 
 type MockApi struct {
 	TransactionsContent []dataserviceapi.Last10TxResponse
-	VouchersContent []dataserviceapi.TokenHoldings
-	VoucherDataContent *models.VoucherDataResult
+	VouchersContent     []dataserviceapi.TokenHoldings
+	VoucherDataContent  *models.VoucherDataResult
 }
 
-func(m MockApi) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResult, error) {
+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) {
+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) {
+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) {
+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) {
+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) {
+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) {
+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) {
+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) {
+func (m MockApi) TokenTransfer(ctx context.Context, amount, from, to, tokenAddress string) (*models.TokenTransferResponse, error) {
 	return nil, nil
 }
-
-

testutil/mocks/service_mock.go

@@ -53,7 +53,42 @@ func (m *MockAccountService) CheckAliasAddress(ctx context.Context, alias string
 	return args.Get(0).(*models.AliasAddress), args.Error(1)
 }
 
-func(m MockAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
+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)
 }
+
+func (m MockAccountService) PoolDeposit(ctx context.Context, amount, from, poolAddress, tokenAddress string) (*models.PoolDepositResult, error) {
+	args := m.Called(amount, from, poolAddress, tokenAddress)
+	return args.Get(0).(*models.PoolDepositResult), args.Error(1)
+}
+
+func (m MockAccountService) FetchTopPools(ctx context.Context) ([]dataserviceapi.PoolDetails, error) {
+	args := m.Called()
+	return args.Get(0).([]dataserviceapi.PoolDetails), args.Error(1)
+}
+
+func (m MockAccountService) GetPoolSwappableFromVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	args := m.Called(poolAddress, publicKey)
+	return args.Get(0).([]dataserviceapi.TokenHoldings), args.Error(1)
+}
+
+func (m MockAccountService) GetPoolSwappableVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	args := m.Called(poolAddress, publicKey)
+	return args.Get(0).([]dataserviceapi.TokenHoldings), args.Error(1)
+}
+
+func (m MockAccountService) GetPoolSwapQuote(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapQuoteResult, error) {
+	args := m.Called(amount, from, fromTokenAddress, poolAddress, toTokenAddress)
+	return args.Get(0).(*models.PoolSwapQuoteResult), args.Error(1)
+}
+
+func (m MockAccountService) PoolSwap(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapResult, error) {
+	args := m.Called(amount, from, fromTokenAddress, poolAddress, toTokenAddress)
+	return args.Get(0).(*models.PoolSwapResult), args.Error(1)
+}
+
+func (m MockAccountService) GetSwapFromTokenMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.MaxLimitResult, error) {
+	args := m.Called(poolAddress, fromTokenAddress, toTokenAddress, publicKey)
+	return args.Get(0).(*models.MaxLimitResult), 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) PoolDeposit(ctx context.Context, amount, from, poolAddress, tokenAddress string) (*models.PoolDepositResult, error) {
+	return &models.PoolDepositResult{}, nil
+}
+
 func (m TestAccountService) CheckAliasAddress(ctx context.Context, alias string) (*models.AliasAddress, error) {
 	return &models.AliasAddress{}, nil
 }
@@ -64,3 +68,27 @@ func (m TestAccountService) CheckAliasAddress(ctx context.Context, alias string)
 func (m TestAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
 	return &models.RequestAliasResult{}, nil
 }
+
+func (m TestAccountService) FetchTopPools(ctx context.Context) ([]dataserviceapi.PoolDetails, error) {
+	return []dataserviceapi.PoolDetails{}, nil
+}
+
+func (m TestAccountService) GetPoolSwappableFromVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	return []dataserviceapi.TokenHoldings{}, nil
+}
+
+func (m TestAccountService) GetPoolSwappableVouchers(ctx context.Context, poolAddress, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+	return []dataserviceapi.TokenHoldings{}, nil
+}
+
+func (m TestAccountService) GetPoolSwapQuote(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapQuoteResult, error) {
+	return &models.PoolSwapQuoteResult{}, nil
+}
+
+func (m TestAccountService) PoolSwap(ctx context.Context, amount, from, fromTokenAddress, poolAddress, toTokenAddress string) (*models.PoolSwapResult, error) {
+	return &models.PoolSwapResult{}, nil
+}
+
+func (m TestAccountService) GetSwapFromTokenMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.MaxLimitResult, error) {
+	return &models.MaxLimitResult{}, nil
+}