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 },
  ),
  )