/
account.go
105 lines (77 loc) · 2.06 KB
/
account.go
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package utils
import (
"fmt"
b64 "encoding/base64"
"encoding/base32"
"crypto/sha512"
"crypto/ed25519"
"golang.org/x/crypto/hkdf"
"github.com/algorand/go-algorand-sdk/mnemonic"
)
func GenerateAccountList(seed string, index int, amount int)([]string){
var accountArray []string;
var decodedKey []byte;
var err error;
if amount == 0 {
amount = 1
}
if len(seed) > 50 {
masterKey := MasterToDerivation(seed)
fmt.Println(masterKey)
decodedKey, err = b64.StdEncoding.DecodeString(masterKey)
if err != nil {
fmt.Println(err )
}
} else {
decodedKey, err = b64.StdEncoding.DecodeString(seed)
if err != nil {
fmt.Println(err )
}
}
for i := index; i < index + amount; i++ {
info := []byte(fmt.Sprintf("AlgorandDeterministicKey-%d", i))
hash := sha512.New512_256
keystream := hkdf.Expand(hash, decodedKey, info)
pub, priv, err := ed25519.GenerateKey(keystream)
if err != nil{
// Just to ignore the priv warning
fmt.Println(priv)
fmt.Println(err)
}
chksum := sha512.Sum512_256(pub[:])
checksumAddress := append(pub[:], chksum[28:]...)
accountArray = append(accountArray, base32.StdEncoding.EncodeToString(checksumAddress)[:58])
}
return accountArray
}
func GenerateAccountMnemonic(seed string, index int)([]string){
var accountArray []string;
var decodedKey []byte;
var err error;
if len(seed) > 50 {
masterKey := MasterToDerivation(seed)
decodedKey, err = b64.StdEncoding.DecodeString(masterKey)
if err != nil {
fmt.Println(err )
}
} else {
decodedKey, err = b64.StdEncoding.DecodeString(seed)
if err != nil {
fmt.Println(err )
}
}
for i := index; i < index + 1; i++ {
info := []byte(fmt.Sprintf("AlgorandDeterministicKey-%d", i))
hash := sha512.New512_256
keystream := hkdf.Expand(hash, decodedKey, info)
pub, priv, err := ed25519.GenerateKey(keystream)
if err != nil{
// Just to ignore the priv warning
fmt.Println(pub)
fmt.Println(err)
}
mnemonic, err := mnemonic.FromPrivateKey(priv)
accountArray = append(accountArray, mnemonic)
}
return accountArray
}