forked from ethereum/go-ethereum
-
Notifications
You must be signed in to change notification settings - Fork 0
/
types_template.go
64 lines (53 loc) · 2.01 KB
/
types_template.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// +build none
//sed -e 's/_N_/Hash/g' -e 's/_S_/32/g' -e '1d' types_template.go | gofmt -w hash.go
package common
import "math/big"
type _N_ [_S_]byte
func BytesTo_N_(b []byte) _N_ {
var h _N_
h.SetBytes(b)
return h
}
func StringTo_N_(s string) _N_ { return BytesTo_N_([]byte(s)) }
func BigTo_N_(b *big.Int) _N_ { return BytesTo_N_(b.Bytes()) }
func HexTo_N_(s string) _N_ { return BytesTo_N_(FromHex(s)) }
// Don't use the default 'String' method in case we want to overwrite
// Get the string representation of the underlying hash
func (h _N_) Str() string { return string(h[:]) }
func (h _N_) Bytes() []byte { return h[:] }
func (h _N_) Big() *big.Int { return new(big.Int).SetBytes(h[:]) }
func (h _N_) Hex() string { return "0x" + Bytes2Hex(h[:]) }
// Sets the hash to the value of b. If b is larger than len(h) it will panic
func (h *_N_) SetBytes(b []byte) {
// Use the right most bytes
if len(b) > len(h) {
b = b[len(b)-_S_:]
}
// Reverse the loop
for i := len(b) - 1; i >= 0; i-- {
h[_S_-len(b)+i] = b[i]
}
}
// Set string `s` to h. If s is larger than len(h) it will panic
func (h *_N_) SetString(s string) { h.SetBytes([]byte(s)) }
// Sets h to other
func (h *_N_) Set(other _N_) {
for i, v := range other {
h[i] = v
}
}