func storeDepositInfo(c appengine.Context, r *http.Request, participant string) (err error) {
// Important: checking (and invalidating) the nonce must be the first thing we do!
err = checkNonce(c, r.FormValue("nonce"))
if CfgRequireValidNonce && err != nil {
return fmt.Errorf("Error in checkNonce: %v", err)
}
m := bitwrk.DepositAddressMessage{}
m.FromValues(r.Form)
if m.Participant != participant {
return fmt.Errorf("Participant must be %#v", participant)
}
if m.Signer != CfgTrustedAccount {
return fmt.Errorf("Signer must be %#v", CfgTrustedAccount)
}
// Bitcoin addresses must have the right network id
if err := checkBitcoinAddress(m.DepositAddress); err != nil {
return err
}
// Verify that the message was indeed signed by the trusted account
if CfgRequireValidSignature {
if err := m.VerifyWith(CfgTrustedAccount); err != nil {
return err
}
}
f := func(c appengine.Context) error {
dao := db.NewGaeAccountingDao(c, true)
if account, err := dao.GetAccount(participant); err != nil {
return err
} else {
if account.DepositInfo != "" {
c.Infof("Replacing old deposit info: %v", account.DepositInfo)
}
v := url.Values{}
m.ToValues(v)
account.DepositInfo = v.Encode()
account.LastDepositInfo = time.Now()
account.DepositAddressRequest = ""
c.Infof("New deposit info: %v", account.DepositInfo)
if err := dao.SaveAccount(&account); err != nil {
return err
}
}
return dao.Flush()
}
if err := datastore.RunInTransaction(c, f, &datastore.TransactionOptions{XG: true}); err != nil {
// Transaction failed
c.Errorf("Transaction failed: %v", err)
return err
}
return
}
