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-rw-r--r--common/common.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/common/common.go b/common/common.go
index 1371d18d4..155bb5c2a 100644
--- a/common/common.go
+++ b/common/common.go
@@ -65,6 +65,15 @@ func DefaultDataDir() string {
}
}
+func ToHex(b []byte) string {
+ hex := Bytes2Hex(b)
+ // Prefer output of "0x0" instead of "0x"
+ if len(hex) == 0 {
+ hex = "0"
+ }
+ return "0x" + hex
+}
+
func FromHex(s string) []byte {
if len(s) > 1 {
if s[0:2] == "0x" {