Added functions to Hash & Address

* Set, SetString, SetBytes
* StringTo*, BytesTo*
pull/532/head
obscuren 10 years ago
parent dc864ee3a5
commit 20b7162a62
  1. 38
      common/types.go

@ -5,6 +5,25 @@ type (
Address [20]byte 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 // Don't use the default 'String' method in case we want to overwrite
// Get the string representation of the underlying hash // 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)) } 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 // Get the string representation of the underlying address
func (a Address) Str() string { func (a Address) Str() string {
return string(a[:]) return string(a[:])
@ -42,4 +69,13 @@ func (a Address) SetBytes(b []byte) {
a[i] = b[i] 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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