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account.go
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account.go
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package generator
import (
"crypto/ecdsa"
"crypto/sha256"
"encoding/json"
"time"
"github.com/status-im/status-go/api/multiformat"
"github.com/status-im/status-go/eth-node/crypto"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/extkeys"
"github.com/status-im/status-go/multiaccounts"
)
type Account struct {
privateKey *ecdsa.PrivateKey
extendedKey *extkeys.ExtendedKey
}
func NewAccount(privateKey *ecdsa.PrivateKey, extKey *extkeys.ExtendedKey) Account {
if privateKey == nil {
privateKey = extKey.ToECDSA()
}
return Account{
privateKey: privateKey,
extendedKey: extKey,
}
}
func (a *Account) ToAccountInfo() AccountInfo {
privateKeyHex := types.EncodeHex(crypto.FromECDSA(a.privateKey))
publicKeyHex := types.EncodeHex(crypto.FromECDSAPub(&a.privateKey.PublicKey))
addressHex := crypto.PubkeyToAddress(a.privateKey.PublicKey).Hex()
return AccountInfo{
PrivateKey: privateKeyHex,
PublicKey: publicKeyHex,
Address: addressHex,
}
}
func (a *Account) ToIdentifiedAccountInfo(id string) IdentifiedAccountInfo {
info := a.ToAccountInfo()
keyUID := sha256.Sum256(crypto.FromECDSAPub(&a.privateKey.PublicKey))
keyUIDHex := types.EncodeHex(keyUID[:])
return IdentifiedAccountInfo{
AccountInfo: info,
ID: id,
KeyUID: keyUIDHex,
}
}
func (a *Account) ToGeneratedAccountInfo(id string, mnemonic string) GeneratedAccountInfo {
idInfo := a.ToIdentifiedAccountInfo(id)
return GeneratedAccountInfo{
IdentifiedAccountInfo: idInfo,
Mnemonic: mnemonic,
}
}
// AccountInfo contains a PublicKey and an Address of an account.
type AccountInfo struct {
PrivateKey string `json:"privateKey"`
PublicKey string `json:"publicKey"`
Address string `json:"address"`
}
func (a AccountInfo) MarshalJSON() ([]byte, error) {
type Alias AccountInfo
item := struct {
Alias
CompressedKey string `json:"compressedKey"`
}{
Alias: (Alias)(a),
}
compressedKey, err := multiformat.SerializeLegacyKey(item.PublicKey)
if err != nil {
return nil, err
}
item.CompressedKey = compressedKey
return json.Marshal(item)
}
// IdentifiedAccountInfo contains AccountInfo and the ID of an account.
type IdentifiedAccountInfo struct {
AccountInfo
ID string `json:"id"`
// KeyUID is calculated as sha256 of the master public key and used for key
// identification. This is the only information available about the master
// key stored on a keycard before the card is paired.
// KeyUID name is chosen over KeyID in order to make it consistent with
// the name already used in Status and Keycard codebases.
KeyUID string `json:"keyUid"`
}
func (i IdentifiedAccountInfo) MarshalJSON() ([]byte, error) {
accountInfoJSON, err := i.AccountInfo.MarshalJSON()
if err != nil {
return nil, err
}
type info struct {
ID string `json:"id"`
KeyUID string `json:"keyUid"`
}
infoJSON, err := json.Marshal(info{
ID: i.ID,
KeyUID: i.KeyUID,
})
if err != nil {
return nil, err
}
infoJSON[0] = ','
return append(accountInfoJSON[:len(accountInfoJSON)-1], infoJSON...), nil
}
func (i *IdentifiedAccountInfo) ToMultiAccount() *multiaccounts.Account {
return &multiaccounts.Account{
Timestamp: time.Now().Unix(),
KeyUID: i.KeyUID,
}
}
// GeneratedAccountInfo contains IdentifiedAccountInfo and the mnemonic of an account.
type GeneratedAccountInfo struct {
IdentifiedAccountInfo
Mnemonic string `json:"mnemonic"`
}
func (g GeneratedAccountInfo) MarshalJSON() ([]byte, error) {
accountInfoJSON, err := g.IdentifiedAccountInfo.MarshalJSON()
if err != nil {
return nil, err
}
type info struct {
Mnemonic string `json:"mnemonic"`
}
infoJSON, err := json.Marshal(info{
Mnemonic: g.Mnemonic,
})
if err != nil {
return nil, err
}
infoJSON[0] = ','
return append(accountInfoJSON[:len(accountInfoJSON)-1], infoJSON...), nil
}
func (g GeneratedAccountInfo) toGeneratedAndDerived(derived map[string]AccountInfo) GeneratedAndDerivedAccountInfo {
return GeneratedAndDerivedAccountInfo{
GeneratedAccountInfo: g,
Derived: derived,
}
}
// GeneratedAndDerivedAccountInfo contains GeneratedAccountInfo and derived AccountInfo mapped by derivation path.
type GeneratedAndDerivedAccountInfo struct {
GeneratedAccountInfo
Derived map[string]AccountInfo `json:"derived"`
}
func (g GeneratedAndDerivedAccountInfo) MarshalJSON() ([]byte, error) {
accountInfoJSON, err := g.GeneratedAccountInfo.MarshalJSON()
if err != nil {
return nil, err
}
type info struct {
Derived map[string]AccountInfo `json:"derived"`
}
infoJSON, err := json.Marshal(info{
Derived: g.Derived,
})
if err != nil {
return nil, err
}
infoJSON[0] = ','
return append(accountInfoJSON[:len(accountInfoJSON)-1], infoJSON...), nil
}