Skip to content

feat: helper functions for generating blake2b hashes #692

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Aug 25, 2024
Merged

feat: helper functions for generating blake2b hashes #692

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
57 changes: 54 additions & 3 deletions ledger/common/common.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,13 @@ import (
"golang.org/x/crypto/blake2b"
)

type Blake2b256 [32]byte
const (
Blake2b256Size = 32
Blake2b224Size = 28
Blake2b160Size = 20
)

type Blake2b256 [Blake2b256Size]byte

func NewBlake2b256(data []byte) Blake2b256 {
b := Blake2b256{}
Expand All @@ -41,7 +47,22 @@ func (b Blake2b256) Bytes() []byte {
return b[:]
}

type Blake2b224 [28]byte
// Blake2b256Hash generates a Blake2b-256 hash from the provided data
func Blake2b256Hash(data []byte) Blake2b256 {
tmpHash, err := blake2b.New(Blake2b256Size, nil)
if err != nil {
panic(
fmt.Sprintf(
"unexpected error generating empty blake2b hash: %s",
err,
),
)
}
tmpHash.Write(data)
return Blake2b256(tmpHash.Sum(nil))
}

type Blake2b224 [Blake2b224Size]byte

func NewBlake2b224(data []byte) Blake2b224 {
b := Blake2b224{}
Expand All @@ -57,7 +78,22 @@ func (b Blake2b224) Bytes() []byte {
return b[:]
}

type Blake2b160 [20]byte
// Blake2b224Hash generates a Blake2b-224 hash from the provided data
func Blake2b224Hash(data []byte) Blake2b224 {
tmpHash, err := blake2b.New(Blake2b224Size, nil)
if err != nil {
panic(
fmt.Sprintf(
"unexpected error generating empty blake2b hash: %s",
err,
),
)
}
tmpHash.Write(data)
return Blake2b224(tmpHash.Sum(nil))
}

type Blake2b160 [Blake2b160Size]byte

func NewBlake2b160(data []byte) Blake2b160 {
b := Blake2b160{}
Expand All @@ -73,6 +109,21 @@ func (b Blake2b160) Bytes() []byte {
return b[:]
}

// Blake2b160Hash generates a Blake2b-160 hash from the provided data
func Blake2b160Hash(data []byte) Blake2b160 {
tmpHash, err := blake2b.New(Blake2b160Size, nil)
if err != nil {
panic(
fmt.Sprintf(
"unexpected error generating empty blake2b hash: %s",
err,
),
)
}
tmpHash.Write(data)
return Blake2b160(tmpHash.Sum(nil))
}

type MultiAssetTypeOutput = uint64
type MultiAssetTypeMint = int64

Expand Down