catch panic during parsing of a universal asset id (#25)

trustwallet · Dec 20, 2021 · d75f753 · d75f753
1 parent 6876599
commit d75f753
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/asset/id.go b/asset/id.go
@@ -65,7 +65,7 @@ func FindCoinID(words []string) (uint, error) {
 
 func FindTokenID(words []string) string {
 	for _, w := range words {
-		if w[0] == tokenPrefix {
+		if len(w) > 0 && w[0] == tokenPrefix {
 			token := removeFirstChar(w)
 			if len(token) > 0 {
 				return token

diff --git a/asset/id_test.go b/asset/id_test.go
@@ -45,6 +45,13 @@ func TestParseID(t *testing.T) {
 			Coin,
 			nil,
 		},
+		{
+			givenID: "c60_",
+			wantedCoin: 60,
+			wantedToken: "",
+			wantedType: Coin,
+			wantedError: nil,
+		},
 	}
 
 	for _, tt := range testStruct {