From 20b7162a6206e61a39d799a5adf84379c9c8c818 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Mon, 16 Mar 2015 13:23:06 +0100
Subject: [PATCH] Added functions to Hash & Address
* Set, SetString, SetBytes
* StringTo*, BytesTo*
---
common/types.go | 38 +++++++++++++++++++++++++++++++++++++-
1 file changed, 37 insertions(+), 1 deletion(-)
diff --git a/common/types.go b/common/types.go
index 911be9b9b..e0963a7c5 100644
--- a/common/types.go
+++ b/common/types.go
@@ -5,6 +5,25 @@ type (
Address [20]byte
)
+var (
+ zeroHash Hash
+ zeroAddress Address
+)
+
+func BytesToHash(b []byte) Hash {
+ var h Hash
+ h.SetBytes(b)
+ return h
+}
+func StringToHash(s string) Hash { return BytesToHash([]byte(s)) }
+
+func BytesToAddress(b []byte) Address {
+ var a Address
+ a.SetBytes(b)
+ return a
+}
+func StringToAddress(s string) Address { return BytesToAddress([]byte(s)) }
+
// Don't use the default 'String' method in case we want to overwrite
// Get the string representation of the underlying hash
@@ -24,8 +43,16 @@ func (h Hash) SetBytes(b []byte) {
}
}
+// Set string `s` to h. If s is larger than len(h) it will panic
func (h Hash) SetString(s string) { h.SetBytes([]byte(s)) }
+// Sets h to other
+func (h Hash) Set(other Hash) {
+ for i, v := range other {
+ h[i] = v
+ }
+}
+
// Get the string representation of the underlying address
func (a Address) Str() string {
return string(a[:])
@@ -42,4 +69,13 @@ func (a Address) SetBytes(b []byte) {
a[i] = b[i]
}
}
-func (a Address) SetString(s string) { h.SetBytes([]byte(a)) }
+
+// Set string `s` to a. If s is larger than len(a) it will panic
+func (a Address) SetString(s string) { a.SetBytes([]byte(s)) }
+
+// Sets a to other
+func (a Address) Set(other Address) {
+ for i, v := range other {
+ a[i] = v
+ }
+}
--
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