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upgrade.go
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upgrade.go
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package main
import (
"context"
"math/big"
"github.com/MixinNetwork/mixin/crypto"
"github.com/MixinNetwork/trusted-group/mtg"
"github.com/dgraph-io/badger/v4"
"github.com/fox-one/mixin-sdk-go"
)
func upgradeUserPIN(ctx context.Context, store *Storage) {
users, err := store.listAllUsers()
if err != nil {
panic(err)
}
for _, u := range users {
if u.Version == CurrentUserVersion {
continue
}
seed := crypto.NewHash([]byte(ProxyUserSecret + u.UserID))
seed = crypto.NewHash(append(seed[:], ProxyUserSecret...))
pin := new(big.Int).SetBytes(seed[:]).String()
for len(pin) < 6 {
pin = pin + pin
}
pin = pin[:6]
uc, err := mixin.NewFromKeystore(u.Key)
if err != nil {
panic(err)
}
err = uc.ModifyPin(ctx, u.PIN, pin)
if err != nil {
panic(err)
}
u.PIN = pin
u.HasPin = true
u.Version = CurrentUserVersion
err = store.writeUser(u)
if err != nil {
panic(err)
}
}
}
func (s *Storage) listAllUsers() ([]*User, error) {
txn := s.NewTransaction(false)
defer txn.Discard()
opts := badger.DefaultIteratorOptions
opts.Prefix = []byte(storePrefixUser)
it := txn.NewIterator(opts)
defer it.Close()
users := make([]*User, 0)
it.Seek(opts.Prefix)
for ; it.Valid(); it.Next() {
item := it.Item()
v, err := item.ValueCopy(nil)
if err != nil {
return users, err
}
var user User
err = mtg.MsgpackUnmarshal(v, &user)
users = append(users, &user)
}
return users, nil
}