func SignFactoidTransaction(n uint64, tx interfaces.ITransaction) {
tx.AddAuthorization(NewFactoidRCDAddress(n))
data, err := tx.MarshalBinarySig()
if err != nil {
panic(err)
}
sig := factoid.NewSingleSignatureBlock(NewPrivKey(n), data)
//str, err := sig.JSONString()
//fmt.Printf("sig, err - %v, %v\n", str, err)
tx.SetSignatureBlock(0, sig)
err = tx.Validate(1)
if err != nil {
panic(err)
}
err = tx.ValidateSignatures()
if err != nil {
panic(err)
}
}
func (b FBlock) ValidateTransaction(index int, trans interfaces.ITransaction) error {
// Calculate the fee due.
{
err := trans.Validate(index)
if err != nil {
return err
}
}
//Ignore coinbase transaction's signatures
if len(b.Transactions) > 0 {
err := trans.ValidateSignatures()
if err != nil {
return err
}
}
fee, err := trans.CalculateFee(b.ExchRate)
if err != nil {
return err
}
tin, err := trans.TotalInputs()
if err != nil {
return err
}
tout, err := trans.TotalOutputs()
if err != nil {
return err
}
tec, err := trans.TotalECs()
if err != nil {
return err
}
sum, err := ValidateAmounts(tout, tec, fee)
if err != nil {
return err
}
if tin < sum {
return fmt.Errorf("The inputs %s do not cover the outputs %s,\n"+
"the Entry Credit outputs %s, and the required fee %s",
primitives.ConvertDecimalToString(tin),
primitives.ConvertDecimalToString(tout),
primitives.ConvertDecimalToString(tec),
primitives.ConvertDecimalToString(fee))
}
return nil
}
func (w *SCWallet) Validate(index int, trans interfaces.ITransaction) error {
err := trans.Validate(index)
return err
}