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util: make Uint160Size public

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This commit is contained in:
Evgenii Stratonikov 2019-12-03 15:59:21 +03:00
parent 7179e4ba9f
commit 9e04e61533
1 changed files with 7 additions and 6 deletions
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13
pkg/util/uint160.go
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@ -7,16 +7,17 @@ import (
"strings" "strings"
) )
const uint160Size = 20 // Uint160Size is the size of Uint160 in bytes.
const Uint160Size = 20
// Uint160 is a 20 byte long unsigned integer. // Uint160 is a 20 byte long unsigned integer.
type Uint160 [uint160Size]uint8 type Uint160 [Uint160Size]uint8
// Uint160DecodeStringBE attempts to decode the given string into an Uint160. // Uint160DecodeStringBE attempts to decode the given string into an Uint160.
func Uint160DecodeStringBE(s string) (Uint160, error) { func Uint160DecodeStringBE(s string) (Uint160, error) {
var u Uint160 var u Uint160
if len(s) != uint160Size*2 { if len(s) != Uint160Size*2 {
return u, fmt.Errorf("expected string size of %d got %d", uint160Size*2, len(s)) return u, fmt.Errorf("expected string size of %d got %d", Uint160Size*2, len(s))
} }
b, err := hex.DecodeString(s) b, err := hex.DecodeString(s)
if err != nil { if err != nil {
@ -27,8 +28,8 @@ func Uint160DecodeStringBE(s string) (Uint160, error) {
// Uint160DecodeBytesBE attempts to decode the given bytes into an Uint160. // Uint160DecodeBytesBE attempts to decode the given bytes into an Uint160.
func Uint160DecodeBytesBE(b []byte) (u Uint160, err error) { func Uint160DecodeBytesBE(b []byte) (u Uint160, err error) {
if len(b) != uint160Size { if len(b) != Uint160Size {
return u, fmt.Errorf("expected byte size of %d got %d", uint160Size, len(b)) return u, fmt.Errorf("expected byte size of %d got %d", Uint160Size, len(b))
} }
copy(u[:], b) copy(u[:], b)
return return