1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/github.com/onrik/ethrpc/helpers.go b/vendor/github.com/onrik/ethrpc/helpers.go
new file mode 100644
index 000000000..e98030055
--- /dev/null
+++ b/vendor/github.com/onrik/ethrpc/helpers.go
@@ -0,0 +1,40 @@
+package ethrpc
+
+import (
+	"fmt"
+	"math/big"
+	"strconv"
+	"strings"
+)
+
+// ParseInt parse hex string value to int
+func ParseInt(value string) (int, error) {
+	i, err := strconv.ParseInt(strings.TrimPrefix(value, "0x"), 16, 64)
+	if err != nil {
+		return 0, err
+	}
+
+	return int(i), nil
+}
+
+// ParseBigInt parse hex string value to big.Int
+func ParseBigInt(value string) (big.Int, error) {
+	i := big.Int{}
+	_, err := fmt.Sscan(value, &i)
+
+	return i, err
+}
+
+// IntToHex convert int to hexadecimal representation
+func IntToHex(i int) string {
+	return fmt.Sprintf("0x%x", i)
+}
+
+// BigToHex covert big.Int to hexadecimal representation
+func BigToHex(bigInt big.Int) string {
+	if bigInt.BitLen() == 0 {
+		return "0x0"
+	}
+
+	return "0x" + strings.TrimPrefix(fmt.Sprintf("%x", bigInt.Bytes()), "0")
+}