Files
indra/pkg/engine/payments/payments.go

71 lines
1.4 KiB
Go

package payments
import (
"github.com/indra-labs/indra/pkg/crypto/nonce"
"github.com/indra-labs/indra/pkg/crypto/sha256"
"github.com/lightningnetwork/lnd/lnwire"
)
func (p PendingPayments) Add(np *Payment) (pp PendingPayments) {
return append(p, np)
}
type (
PayChan chan *Payment
Payment struct {
ID nonce.ID
Preimage sha256.Hash
Amount lnwire.MilliSatoshi
ConfirmChan chan bool
}
PendingPayments []*Payment
)
func (p PendingPayments) Delete(preimage sha256.Hash) (pp PendingPayments) {
pp = p
for i := range p {
if p[i].Preimage == preimage {
if i == len(p)-1 {
pp = p[:i]
} else {
pp = append(p[:i], p[i+1:]...)
}
}
}
return
}
func (p PendingPayments) Find(id nonce.ID) (pp *Payment) {
for i := range p {
if p[i].ID == id {
return p[i]
}
}
return
}
func (p PendingPayments) FindPreimage(pi sha256.Hash) (pp *Payment) {
for i := range p {
if p[i].Preimage == pi {
return p[i]
}
}
return
}
// Receive waits on receiving a Payment on a PayChan.
func (pc PayChan) Receive() <-chan *Payment { return pc }
// Send a payment on the PayChan.
func (pc PayChan) Send(amount lnwire.MilliSatoshi,
id nonce.ID, preimage sha256.Hash) (confirmChan chan bool) {
confirmChan = make(chan bool)
pc <- &Payment{
ID: id,
Preimage: preimage,
Amount: amount,
ConfirmChan: confirmChan,
}
return
}