go-ethereum/common/types.go
2015-03-16 12:20:17 +01:00

46 lines
980 B
Go

package common
type (
Hash [32]byte
Address [20]byte
)
// Don't use the default 'String' method in case we want to overwrite
// Get the string representation of the underlying hash
func (h Hash) Str() string {
return string(h[:])
}
// Sets the hash to the value of b. If b is larger than len(h) it will panic
func (h Hash) SetBytes(b []byte) {
if len(b) > len(h) {
panic("unable to set bytes. too big")
}
// reverse loop
for i := len(b); i >= 0; i-- {
h[i] = b[i]
}
}
func (h Hash) SetString(s string) { h.SetBytes([]byte(s)) }
// Get the string representation of the underlying address
func (a Address) Str() string {
return string(a[:])
}
// Sets the address to the value of b. If b is larger than len(a) it will panic
func (a Address) SetBytes(b []byte) {
if len(b) > len(a) {
panic("unable to set bytes. too big")
}
// reverse loop
for i := len(b); i >= 0; i-- {
a[i] = b[i]
}
}
func (a Address) SetString(s string) { h.SetBytes([]byte(a)) }