fix: clean up token whitelist parsing

pkg/config/tokens.go

@@ -33,26 +33,27 @@ func UnmarshalTokenConfig(contents string) ([]configuration.Token, error) {
 	var outer map[string]interface{}
 	if err := json.Unmarshal([]byte(contents), &outer); err == nil {
 		for k, v := range outer {
-			for t, _ := range v.(map[string]interface{}) {
-				fmt.Printf("t: %s\n", t)
-				switch k {
-				case "Mainnet":
-					payload = append(payload, configuration.Token{
-						ChainID: 1,
-						Address: t,
-					})
-				case "Testnet":
-					payload = append(payload, configuration.Token{
-						ChainID: 420,
-						Address: t,
-					})
-				case "Goerli":
-					payload = append(payload, configuration.Token{
-						ChainID: 420,
-						Address: t,
-					})
-				default:
-					return nil, fmt.Errorf("unknown chain %s found when parsing json token list", k)
+			for t, b := range v.(map[string]interface{}) {
+				if b.(bool) {
+					switch k {
+					case "Mainnet":
+						payload = append(payload, configuration.Token{
+							ChainID: 1,
+							Address: t,
+						})
+					case "Testnet":
+						payload = append(payload, configuration.Token{
+							ChainID: 420,
+							Address: t,
+						})
+					case "Goerli":
+						payload = append(payload, configuration.Token{
+							ChainID: 420,
+							Address: t,
+						})
+					default:
+						return nil, fmt.Errorf("unknown chain %s found when parsing json token list", k)
+					}
 				}
 			}
 		}

pkg/config/tokens_test.go

@@ -55,6 +55,34 @@ func (testSuite *TokensTestSuite) TestUnmarshalOldTokenConfig() {
 	}, c)
 }
 
+// TestUnmarshalOldTokenConfigExcluded tests unmarshalling the outdated token config json format with excluded tokens.
+func (testSuite *TokensTestSuite) TestUnmarshalOldTokenConfigExcluded() {
+	contents := `{
+		"Mainnet" : {
+			"0x4200000000000000000000000000000000000042": true,
+			"0x7f5c764cbc14f9669b88837ca1490cca17c31607": false
+		},
+		"Testnet" : {
+			"0xda10009cbd5d07dd0cecc66161fc93d7c9000da1": true
+		},
+		"Goerli" : {
+			"0x7f5c764cbc14f9669b88837ca1490cca17c31607": false
+		}
+	}`
+	c, err := config.UnmarshalTokenConfig(contents)
+	testSuite.NoError(err)
+	testSuite.Equal([]SdkConfiguration.Token{
+		{
+			ChainID: 1,
+			Address: "0x4200000000000000000000000000000000000042",
+		},
+		{
+			ChainID: 420,
+			Address: "0xda10009cbd5d07dd0cecc66161fc93d7c9000da1",
+		},
+	}, c)
+}
+
 // TestUnmarshalTokenConfig tests unmarshalling the token config json format.
 func (testSuite *TokensTestSuite) TestUnmarshalTokenConfig() {
 	contents := `[