func (dao *gaeAccountingDao) GetAccount(participant string) (account ParticipantAccount, err error) {
key := AccountKey(dao.c, participant)
err = datastore.Get(dao.c, key, accountCodec{&account})
if err == datastore.ErrNoSuchEntity {
dao.c.Infof("Pulling account out of thin air: %v", participant)
account.Participant = participant
account.Available = money.MustParse("BTC 1")
account.Blocked = money.MustParse("BTC 0")
err = nil
}
return
}
}
type RawBid struct {
Type BidType
Article ArticleId
Price money.Money
}
func (bid *Bid) Verify() error {
if err := bitcoin.VerifySignatureBase64(bid.Document, bid.Participant, bid.Signature); err != nil {
return fmt.Errorf("Could not validate signature: %v", err)
}
return nil
}
var MinimumPrice = money.MustParse("uBTC 10")
func NewBid(bidType BidType, article ArticleId, price money.Money, participant, document, signature string) (*Bid, error) {
if bidType != Buy && bidType != Sell {
return nil, fmt.Errorf("Illegal bid type")
}
if price.Currency != MinimumPrice.Currency || price.Amount < MinimumPrice.Amount {
return nil, fmt.Errorf("Invalid price %v, must be >= %v", price, MinimumPrice)
}
now := time.Now()
result := &Bid{Type: bidType,
State: InQueue,
Article: article,
Price: price,
Fee: money.Money{Currency: price.Currency, Amount: (3*price.Amount + 99) / 100},