mirror of https://github.com/poanetwork/gecko.git
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
|
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
|
||
|
// See the file LICENSE for licensing terms.
|
||
|
|
||
|
package avm
|
||
|
|
||
|
import (
|
||
|
"github.com/ava-labs/gecko/database"
|
||
|
"github.com/ava-labs/gecko/ids"
|
||
|
"github.com/ava-labs/gecko/utils/crypto"
|
||
|
"github.com/ava-labs/gecko/utils/hashing"
|
||
|
)
|
||
|
|
||
|
var addresses = ids.Empty
|
||
|
|
||
|
type userState struct{ vm *VM }
|
||
|
|
||
|
func (s *userState) SetAddresses(db database.Database, addrs []ids.ID) error {
|
||
|
bytes, err := s.vm.codec.Marshal(addrs)
|
||
|
if err != nil {
|
||
|
return err
|
||
|
}
|
||
|
return db.Put(addresses.Bytes(), bytes)
|
||
|
}
|
||
|
|
||
|
func (s *userState) Addresses(db database.Database) ([]ids.ID, error) {
|
||
|
bytes, err := db.Get(addresses.Bytes())
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
addresses := []ids.ID{}
|
||
|
if err := s.vm.codec.Unmarshal(bytes, &addresses); err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
return addresses, nil
|
||
|
}
|
||
|
|
||
|
func (s *userState) SetKey(db database.Database, sk *crypto.PrivateKeySECP256K1R) error {
|
||
|
return db.Put(hashing.ComputeHash256(sk.PublicKey().Address().Bytes()), sk.Bytes())
|
||
|
}
|
||
|
|
||
|
func (s *userState) Key(db database.Database, address ids.ID) (*crypto.PrivateKeySECP256K1R, error) {
|
||
|
factory := crypto.FactorySECP256K1R{}
|
||
|
|
||
|
bytes, err := db.Get(address.Bytes())
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
sk, err := factory.ToPrivateKey(bytes)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
return sk.(*crypto.PrivateKeySECP256K1R), nil
|
||
|
}
|