correct the spelling of toTokenAddress

config/config.go

@@ -26,6 +26,7 @@ const (
 	AliasResolverPrefix         = "/api/v1/resolve"
 	ExternalSMSPrefix           = "/api/v1/external"
 	AliasUpdatePrefix           = "/api/v1/internal/update"
+	CreditSendPrefix            = "/api/v1/credit-send"
 )
 
 var (
@@ -57,6 +58,7 @@ var (
 	AliasResolverURL         string
 	ExternalSMSURL           string
 	AliasUpdateURL           string
+	CreditSendURL            string
 )
 
 func setBase() error {
@@ -105,6 +107,7 @@ func LoadConfig() error {
 	AliasResolverURL, _ = url.JoinPath(aliasEnsURLBase, AliasResolverPrefix)
 	ExternalSMSURL, _ = url.JoinPath(externalSMSBase, ExternalSMSPrefix)
 	AliasUpdateURL, _ = url.JoinPath(aliasEnsURLBase, AliasUpdatePrefix)
+	CreditSendURL, _ = url.JoinPath(dataURLBase, CreditSendPrefix)
 
 	return nil
 }

dev/api.go

@@ -587,10 +587,10 @@ func (das *DevAccountService) FetchVouchers(ctx context.Context, publicKey strin
 	//TODO: Iterate over the account acc.Balances object
 	for _, voucher := range das.vouchers {
 		holdings = append(holdings, dataserviceapi.TokenHoldings{
-			TokenAddress: voucher.Address,
+			TokenAddress:  voucher.Address,
-			TokenSymbol:     voucher.Symbol,
+			TokenSymbol:   voucher.Symbol,
-			TokenDecimals:   strconv.Itoa(voucher.Decimals),
+			TokenDecimals: strconv.Itoa(voucher.Decimals),
-			Balance:         strconv.Itoa(int(defaultVoucherBalance)),
+			Balance:       strconv.Itoa(int(defaultVoucherBalance)),
 		})
 	}
 
@@ -861,10 +861,10 @@ func (das *DevAccountService) GetPoolSwappableFromVouchers(ctx context.Context,
 	}
 	for _, v := range p.Vouchers {
 		swapFromList = append(swapFromList, dataserviceapi.TokenHoldings{
-			TokenAddress: v.Address,
+			TokenAddress:  v.Address,
-			TokenSymbol:     v.Symbol,
+			TokenSymbol:   v.Symbol,
-			TokenDecimals:   string(defaultDecimals),
+			TokenDecimals: string(defaultDecimals),
-			Balance:         fmt.Sprintf("%f", defaultVoucherBalance),
+			Balance:       fmt.Sprintf("%f", defaultVoucherBalance),
 		})
 	}
 
@@ -907,3 +907,10 @@ func (das *DevAccountService) CheckTokenInPool(ctx context.Context, poolAddress,
 		CanSwapFrom: true,
 	}, nil
 }
+
+func (das *DevAccountService) GetCreditSendMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.CreditSendLimitsResult, error) {
+	return &models.CreditSendLimitsResult{
+		MaxRAT: "45599996",
+		MaxSAT: "3507692",
+	}, nil
+}

models/pool_swap_response.go

@@ -20,3 +20,8 @@ type MaxLimitResult struct {
 type TokenInPoolResult struct {
 	CanSwapFrom bool `json:"canSwapFrom"`
 }
+
+type CreditSendLimitsResult struct {
+	MaxRAT string `json:"maxRAT"`
+	MaxSAT string `json:"maxSAT"`
+}

remote/account_service.go

@@ -30,4 +30,5 @@ type AccountService interface {
 	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)
 	CheckTokenInPool(ctx context.Context, poolAddress, tokenAddress string) (*models.TokenInPoolResult, error)
+	GetCreditSendMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.CreditSendLimitsResult, error)
 }

remote/http/service.go

@@ -517,10 +517,10 @@ func (as *HTTPAccountService) GetSwapFromTokenMaxLimit(ctx context.Context, pool
 	}
 }
 
-func (as *HTTPAccountService) getSwapFromTokenMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokeAddress, publicKey string) (*models.MaxLimitResult, error) {
+func (as *HTTPAccountService) getSwapFromTokenMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.MaxLimitResult, error) {
 	var r models.MaxLimitResult
 
-	ep, err := url.JoinPath(config.PoolSwappableVouchersURL, poolAddress, "limit", fromTokenAddress, toTokeAddress, publicKey)
+	ep, err := url.JoinPath(config.PoolSwappableVouchersURL, poolAddress, "limit", fromTokenAddress, toTokenAddress, publicKey)
 	if err != nil {
 		return nil, err
 	}
@@ -742,6 +742,26 @@ func (as *HTTPAccountService) SendPINResetSMS(ctx context.Context, admin, phone
 	return nil
 }
 
+// GetCreditSendMaxLimit calls the API to check credit limits and return the maxRAT and maxSAT
+func (as *HTTPAccountService) GetCreditSendMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.CreditSendLimitsResult, error) {
+	var r models.CreditSendLimitsResult
+
+	ep, err := url.JoinPath(config.CreditSendURL, poolAddress, fromTokenAddress, toTokenAddress, publicKey)
+	if err != nil {
+		return nil, err
+	}
+	req, err := http.NewRequest("GET", ep, nil)
+	if err != nil {
+		return nil, err
+	}
+	_, err = doRequest(ctx, req, &r)
+	if err != nil {
+		return nil, err
+	}
+
+	return &r, nil
+}
+
 // 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/service_mock.go

@@ -120,3 +120,8 @@ func (m MockAccountService) CheckTokenInPool(ctx context.Context, poolAddress, t
 	args := m.Called(poolAddress, tokenAddress)
 	return args.Get(0).(*models.TokenInPoolResult), args.Error(1)
 }
+
+func (m MockAccountService) GetCreditSendMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.CreditSendLimitsResult, error) {
+	args := m.Called(poolAddress, fromTokenAddress, toTokenAddress, publicKey)
+	return args.Get(0).(*models.CreditSendLimitsResult), args.Error(1)
+}

testutil/testservice/account_service.go

@@ -116,3 +116,8 @@ func (m TestAccountService) GetSwapFromTokenMaxLimit(ctx context.Context, poolAd
 func (m TestAccountService) CheckTokenInPool(ctx context.Context, poolAddress, tokenAddress string) (*models.TokenInPoolResult, error) {
 	return &models.TokenInPoolResult{}, nil
 }
+
+func (m TestAccountService) GetCreditSendMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.CreditSendLimitsResult, error) {
+	return &models.CreditSendLimitsResult{}, nil
+}
+