feat: deprecate BUSD

README.md

@@ -39,10 +39,6 @@ Receive crypto including stablecoins with ease. Open new opportunities for your
             <img src="./ui-dashboard/src/assets/icons/crypto/usdc.svg" height="64" alt="usdc">
             <div>USDC</div>
         </td>
-        <td align="center">
-            <img src="./ui-dashboard/src/assets/icons/crypto/busd.svg" height="64" alt="busd">
-            <div>BUSD</div>
-        </td>
     </tr>
 </table>
 

internal/money/money.go

@@ -83,6 +83,7 @@ type CryptoCurrency struct {
 	TokenContractAddress     string
 	TestTokenContractAddress string
 	Aliases                  []string
+	Deprecated               bool
 }
 
 func (c CryptoCurrency) DisplayName() string {

internal/server/http/merchantapi/merchant_test.go

@@ -91,7 +91,7 @@ func TestMerchantRoutes(t *testing.T) {
 		mt, _ := tc.Must.CreateMerchant(t, user.ID)
 
 		// And blockchain currencies
-		allCurrencies := tc.Services.Blockchain.ListSupportedCurrencies()
+		allCurrencies := tc.Services.Blockchain.ListSupportedCurrencies(false)
 
 		// ACT 1
 		// Get merchant

internal/server/http/paymentapi/payment_test.go

@@ -30,7 +30,7 @@ const (
 func TestHandlers(t *testing.T) {
 	tc := test.NewIntegrationTest(t)
 
-	allCurrencies := tc.Services.Blockchain.ListSupportedCurrencies()
+	allCurrencies := tc.Services.Blockchain.ListSupportedCurrencies(false)
 
 	t.Run("GetSupportedMethods", func(t *testing.T) {
 		t.Run("Returns list of supported methods", func(t *testing.T) {

internal/service/blockchain/currencies.go

@@ -17,7 +17,7 @@ import (
 )
 
 type Resolver interface {
-	ListSupportedCurrencies() []money.CryptoCurrency
+	ListSupportedCurrencies(withDeprecated bool) []money.CryptoCurrency
 	ListBlockchainCurrencies(blockchain money.Blockchain) []money.CryptoCurrency
 	GetCurrencyByTicker(ticker string) (money.CryptoCurrency, error)
 	GetNativeCoin(blockchain money.Blockchain) (money.CryptoCurrency, error)
@@ -138,12 +138,16 @@ func (r *CurrencyResolver) GetCurrencyByBlockchainAndContract(bc money.Blockchai
 	return money.CryptoCurrency{}, ErrCurrencyNotFound
 }
 
-func (r *CurrencyResolver) ListSupportedCurrencies() []money.CryptoCurrency {
+func (r *CurrencyResolver) ListSupportedCurrencies(withDeprecated bool) []money.CryptoCurrency {
 	r.mu.RLock()
 	defer r.mu.RUnlock()
 
 	results := make([]money.CryptoCurrency, 0)
 	for i := range r.currencies {
+		if r.currencies[i].Deprecated && !withDeprecated {
+			continue
+		}
+
 		results = append(results, r.currencies[i])
 	}
 
@@ -181,6 +185,10 @@ func (r *CurrencyResolver) addCurrency(currency money.CryptoCurrency) {
 
 	r.ensureIndices(currency.Blockchain, currency.Ticker)
 
+	if currency.Deprecated {
+		return
+	}
+
 	// add currency to "index"
 	r.blockchainCurrencies[currency.Blockchain][currency.Ticker] = struct{}{}
 
@@ -281,6 +289,11 @@ func DefaultSetup(s *CurrencyResolver) error {
 			return err
 		}
 
+		deprecated, err := parseBool(c["deprecated"])
+		if err != nil {
+			return err
+		}
+
 		ticker := c["ticker"]
 
 		s.addCurrency(money.CryptoCurrency{
@@ -295,6 +308,7 @@ func DefaultSetup(s *CurrencyResolver) error {
 			TestTokenContractAddress: testTokenAddr,
 			Aliases:                  aliases,
 			Decimals:                 int64(decimals),
+			Deprecated:               deprecated,
 		})
 
 		s.addMinimalWithdrawal(ticker, minimalWithdrawal)
@@ -372,6 +386,14 @@ func parseUSD(raw string) (money.Money, error) {
 	return money.FiatFromFloat64(money.USD, f)
 }
 
+func parseBool(raw string) (bool, error) {
+	if raw == "" {
+		return false, nil
+	}
+
+	return strconv.ParseBool(raw)
+}
+
 func parseAliases(raw string) []string {
 	if raw == "" {
 		return nil

internal/service/blockchain/currencies.json

@@ -140,6 +140,7 @@
         "networkId": "56",
         "testNetworkId": "97",
         "minimal_withdrawal_amount_usd": "10",
-        "minimal_instant_internal_transfer_amount_usd": "30"
+        "minimal_instant_internal_transfer_amount_usd": "30",
+        "deprecated": "true"
     }
 ]

internal/service/merchant/service.go

@@ -157,7 +157,7 @@ type SupportedCurrency struct {
 }
 
 func (s *Service) ListSupportedCurrencies(_ context.Context, merchant *Merchant) ([]SupportedCurrency, error) {
-	all := s.blockchain.ListSupportedCurrencies()
+	all := s.blockchain.ListSupportedCurrencies(false)
 	enabledTickers := util.Set(merchant.Settings().PaymentMethods())
 
 	// if merchant didn't set this parameter yet, let's treat that as "all currencies enabled"
@@ -197,7 +197,7 @@ func (s *Service) UpdateSupportedMethods(ctx context.Context, merchant *Merchant
 	tickersSet := util.Set(tickers)
 	availableTickersSet := util.Set(
 		util.MapSlice(
-			s.blockchain.ListSupportedCurrencies(),
+			s.blockchain.ListSupportedCurrencies(false),
 			func(c money.CryptoCurrency) string { return c.Ticker },
 		),
 	)