func (a *Caller) OpenChannel(ev *wire.Envelope) error {
var err error
ch := &core.Channel{}
err = a.DB.Update(func(tx *bolt.Tx) error {
otx := &wire.OpeningTx{}
err = proto.Unmarshal(ev.Payload, otx)
if err != nil {
return err
}
ch, err = access.GetChannel(tx, otx.ChannelId)
if err != nil {
return err
}
ch.Open(ev, otx)
if err != nil {
return err
}
access.SetChannel(tx, ch)
if err != nil {
return errors.New("database error")
}
return nil
})
if err != nil {
return err
}
return nil
}
func (a *Caller) ConfirmChannel(chID string) error {
var err error
ch := &core.Channel{}
err = a.DB.Update(func(tx *bolt.Tx) error {
ch, err = access.GetChannel(tx, chID)
if err != nil {
return err
}
ch.OpeningTxEnvelope = ch.Account.SignEnvelope(ch.OpeningTxEnvelope)
access.SetChannel(tx, ch)
if err != nil {
return errors.New("database error")
}
return nil
})
if err != nil {
return err
}
err = a.JudgeCl.Send(ch.OpeningTxEnvelope, ch.Judge.Address)
if err != nil {
return err
}
return nil
}
func (a *Caller) ConfirmUpdateTx(chID string) error {
var err error
err = a.DB.Update(func(tx *bolt.Tx) error {
ch, err := access.GetChannel(tx, chID)
if err != nil {
return err
}
_, err = ch.ConfirmUpdateTx()
if err != nil {
return err
}
access.SetChannel(tx, ch)
if err != nil {
return errors.New("database error")
}
return nil
})
if err != nil {
return err
}
return nil
}
func (a *Caller) ProposeChannel(state []byte, mpk []byte, tpk []byte, hold uint32) error {
var err error
cpt := &core.Counterparty{}
acct := &core.Account{}
err = a.DB.Update(func(tx *bolt.Tx) error {
acct, err = access.GetAccount(tx, mpk)
if err != nil {
return err
}
cpt, err = access.GetCounterparty(tx, tpk)
if err != nil {
return err
}
otx, err := acct.NewOpeningTx(cpt, state, hold)
if err != nil {
return errors.New("server error")
}
ev, err := acct.SignOpeningTx(otx)
if err != nil {
return errors.New("server error")
}
ch, err := core.NewChannel(ev, otx, acct, cpt)
if err != nil {
return errors.New("server error")
}
err = a.CounterpartyCl.Send(ev, cpt.Address)
if err != nil {
return err
}
access.SetChannel(tx, ch)
if err != nil {
return errors.New("database error")
}
return nil
})
if err != nil {
return err
}
return nil
}
func (a *Caller) CheckFinalUpdateTx(ev *wire.Envelope) error {
var err error
utx := &wire.UpdateTx{}
err = proto.Unmarshal(ev.Payload, utx)
if err != nil {
return err
}
err = a.DB.Update(func(tx *bolt.Tx) error {
ch, err := access.GetChannel(tx, utx.ChannelId)
if err != nil {
return err
}
ev2, err := ch.CheckFinalUpdateTx(ev, utx)
if err != nil {
return err
}
if ev2 != nil {
err = a.JudgeCl.Send(ev2, ch.Judge.Address)
if err != nil {
return err
}
}
access.SetChannel(tx, ch)
if err != nil {
return errors.New("database error")
}
return nil
})
if err != nil {
return err
}
return nil
}
func (a *Caller) SendUpdateTx(state []byte, chID string, fast bool) error {
var err error
ch := &core.Channel{}
err = a.DB.Update(func(tx *bolt.Tx) error {
ch, err = access.GetChannel(tx, chID)
if err != nil {
return err
}
utx, err := ch.NewUpdateTx(state, fast)
if err != nil {
return errors.New("server error")
}
ev, err := ch.SignUpdateTx(utx)
if err != nil {
return errors.New("server error")
}
err = a.CounterpartyCl.Send(ev, ch.Counterparty.Address)
if err != nil {
return err
}
access.SetChannel(tx, ch)
if err != nil {
return errors.New("database error")
}
return nil
})
if err != nil {
return err
}
return nil
}