func (frh *FundraiserHandler) Process(msg *Msg, err error) {
pack := msg.msg.(*mscutil.FundraiserTransaction)
// Get the current balance sheet map, where the key is the currency id and the value the amount
sheet := frh.db.GetAccount(pack.Addr)
str := strings.Split(dec.NewDecInt64(0).Mul(pack.Value, dec.NewDecInt64(1e8)).String(), ".")[0]
res, _ := big.NewInt(0).SetString(str, 10)
dec := res.Uint64()
sheet[1] += dec
sheet[2] += dec
// Save the key back to the db
frh.db.PutAccount(pack.Addr, sheet)
sheet = frh.db.GetAccount(pack.Addr)
}
func NewFundraiserTransaction(addr Address, value int64, time int64) (*FundraiserTransaction, error) {
tx := &FundraiserTransaction{
Addr: addr.Addr,
Time: time,
}
// Base line amount bought from fundraiser, 1 btc gets you 100 msc
mastercoinBought := dec.NewDecInt64((value * 100))
mastercoinBought.Quo(mastercoinBought, dec.NewDecInt64(1e8), dec.Scale(18), dec.RoundHalfUp)
fmt.Println("Baseline MSC Bought:", mastercoinBought)
// Bonus amount received
diff := dec.NewDecInt64(FundraiserEndTime - time)
timeDifference := diff.Quo(diff, dec.NewDecInt64(604800), dec.Scale(18), dec.RoundHalfUp)
fmt.Println("Time difference", timeDifference)
if timeDifference.Cmp(dec.NewDecInt64(0)) > 0 {
// bought += bought * (timediff * 0.1)
x := new(dec.Dec)
x.SetString("0.1")
ratio := new(dec.Dec).Mul(timeDifference, x)
fmt.Println("Ratio:", ratio)
bonus := new(dec.Dec).Mul(ratio, mastercoinBought)
bonus.Round(bonus, dec.Scale(18), dec.RoundDown)
mastercoinBought.Add(mastercoinBought, bonus)
mastercoinBought.Round(mastercoinBought, dec.Scale(8), dec.RoundHalfUp)
}
tx.Value = mastercoinBought
Logger.Println("Created fundraiser transaction", tx)
return tx, nil
}
