Merge pull request #14 from KyberNetwork/ft/safe_parse

feat: add safe parse big.Int

Author: anhducpn67

parser.go

@@ -0,0 +1,14 @@
+package kutils
+
+import (
+	"math/big"
+)
+
+const LimitLength = 200
+
+func SafeParseBigInt(s string, base int) (*big.Int, bool) {
+	if len(s) > LimitLength {
+		return nil, false
+	}
+	return new(big.Int).SetString(s, base)
+}