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Merge pull request #17887 from karalabe/warn-failed-account-access

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internal/ethapi: warn on failed account accesses
This commit is contained in:
Péter Szilágyi 2018-10-10 13:22:43 +03:00 committed by GitHub
commit f951e23fb5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 3 deletions
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12
internal/ethapi/api.go
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@ -328,6 +328,9 @@ func (s *PrivateAccountAPI) UnlockAccount(addr common.Address, password string,
d = time.Duration(*duration) * time.Second
}
err := fetchKeystore(s.am).TimedUnlock(accounts.Account{Address: addr}, password, d)
if err != nil {
log.Warn("Failed account unlock attempt", "address", addr, "err", err)
}
return err == nil, err
}
@ -339,7 +342,7 @@ func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
// signTransactions sets defaults and signs the given transaction
// NOTE: the caller needs to ensure that the nonceLock is held, if applicable,
// and release it after the transaction has been submitted to the tx pool
func (s *PrivateAccountAPI) signTransaction(ctx context.Context, args SendTxArgs, passwd string) (*types.Transaction, error) {
func (s *PrivateAccountAPI) signTransaction(ctx context.Context, args *SendTxArgs, passwd string) (*types.Transaction, error) {
// Look up the wallet containing the requested signer
account := accounts.Account{Address: args.From}
wallet, err := s.am.Find(account)
@ -370,8 +373,9 @@ func (s *PrivateAccountAPI) SendTransaction(ctx context.Context, args SendTxArgs
s.nonceLock.LockAddr(args.From)
defer s.nonceLock.UnlockAddr(args.From)
}
signed, err := s.signTransaction(ctx, args, passwd)
signed, err := s.signTransaction(ctx, &args, passwd)
if err != nil {
log.Warn("Failed transaction send attempt", "from", args.From, "to", args.To, "value", args.Value.ToInt(), "err", err)
return common.Hash{}, err
}
return submitTransaction(ctx, s.b, signed)
@ -393,8 +397,9 @@ func (s *PrivateAccountAPI) SignTransaction(ctx context.Context, args SendTxArgs
if args.Nonce == nil {
return nil, fmt.Errorf("nonce not specified")
}
signed, err := s.signTransaction(ctx, args, passwd)
signed, err := s.signTransaction(ctx, &args, passwd)
if err != nil {
log.Warn("Failed transaction sign attempt", "from", args.From, "to", args.To, "value", args.Value.ToInt(), "err", err)
return nil, err
}
data, err := rlp.EncodeToBytes(signed)
@ -436,6 +441,7 @@ func (s *PrivateAccountAPI) Sign(ctx context.Context, data hexutil.Bytes, addr c
// Assemble sign the data with the wallet
signature, err := wallet.SignHashWithPassphrase(account, passwd, signHash(data))
if err != nil {
log.Warn("Failed data sign attempt", "address", addr, "err", err)
return nil, err
}
signature[64] += 27 // Transform V from 0/1 to 27/28 according to the yellow paper