func validateInput(acc *acm.Account, signBytes []byte, in *types.TxInput) (err error) {
// Check TxInput basic
if err := in.ValidateBasic(); err != nil {
return err
}
// Check signatures
if !acc.PubKey.VerifyBytes(signBytes, in.Signature) {
return types.ErrTxInvalidSignature
}
// Check sequences
if acc.Sequence+1 != in.Sequence {
return types.ErrTxInvalidSequence{
Got: in.Sequence,
Expected: acc.Sequence + 1,
}
}
// Check amount
if acc.Balance < in.Amount {
return types.ErrTxInsufficientFunds
}
return nil
}
