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wallet: check for t.GetSignedPart() result correctness

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It can return nil easily and signing that is a big mistake.
This commit is contained in:
Roman Khimov 2020-05-07 21:48:45 +03:00
parent c9b1d359d8
commit f2033b5e54
1 changed files with 3 additions and 0 deletions
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3
pkg/wallet/account.go
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@ -132,6 +132,9 @@ func (a *Account) SignTx(t *transaction.Transaction) error {
return errors.New("account is not unlocked") return errors.New("account is not unlocked")
} }
data := t.GetSignedPart() data := t.GetSignedPart()
if data == nil {
return errors.New("failed to get transaction's signed part")
}
sign := a.privateKey.Sign(data) sign := a.privateKey.Sign(data)
t.Scripts = append(t.Scripts, transaction.Witness{ t.Scripts = append(t.Scripts, transaction.Witness{