rpcserver: implement new invoice related RPC commands
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parent
39c9dfb9e4
commit
2eb40d1614
99
rpcserver.go
99
rpcserver.go
@ -4,10 +4,13 @@ import (
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"encoding/hex"
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"fmt"
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"io"
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"time"
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"sync"
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"sync/atomic"
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"github.com/btcsuite/fastsha256"
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"github.com/lightningnetwork/lnd/channeldb"
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"github.com/lightningnetwork/lnd/lndc"
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"github.com/lightningnetwork/lnd/lnrpc"
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"github.com/lightningnetwork/lnd/lnwallet"
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@ -509,6 +512,102 @@ func (r *rpcServer) SendPayment(paymentStream lnrpc.Lightning_SendPaymentServer)
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return nil
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}
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// AddInvoice attempts to add a new invoice to the invoice database. Any
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// duplicated invoices are rejected, therefore all invoices *must* have a
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// unique payment preimage.
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func (r *rpcServer) AddInvoice(ctx context.Context,
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invoice *lnrpc.Invoice) (*lnrpc.AddInvoiceResponse, error) {
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preImage := invoice.RPreimage
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preimageLength := len(preImage)
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if preimageLength != 32 {
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return nil, fmt.Errorf("payment preimage must be exactly "+
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"32 bytes, is instead %v", preimageLength)
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}
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if len(invoice.Memo) > channeldb.MaxMemoSize {
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return nil, fmt.Errorf("memo too large: %v bytes "+
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"(maxsize=%v)", len(invoice.Memo), channeldb.MaxMemoSize)
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}
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if len(invoice.Receipt) > channeldb.MaxReceiptSize {
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return nil, fmt.Errorf("receipt too large: %v bytes "+
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"(maxsize=%v)", len(invoice.Receipt), channeldb.MaxReceiptSize)
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}
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i := &channeldb.Invoice{
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CreationDate: time.Now(),
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Terms: channeldb.ContractTerm{
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Value: btcutil.Amount(invoice.Value),
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},
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}
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copy(i.Memo[:], invoice.Memo)
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copy(i.Receipt[:], invoice.Receipt)
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copy(i.Terms.PaymentPreimage[:], preImage)
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if err := r.server.invoices.AddInvoice(i); err != nil {
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return nil, err
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}
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rHash := fastsha256.Sum256(preImage)
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return &lnrpc.AddInvoiceResponse{
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RHash: rHash[:],
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}, nil
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}
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// LookupInvoice attemps to look up an invoice according to its payment hash.
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// The passed payment hash *must* be exactly 32 bytes, if not an error is
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// returned.
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func (r *rpcServer) LookupInvoice(ctx context.Context,
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req *lnrpc.PaymentHash) (*lnrpc.Invoice, error) {
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if len(req.RHash) != 32 {
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return nil, fmt.Errorf("payment hash must be exactly "+
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"32 bytes, is instead %v", len(req.RHash))
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}
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var payHash [32]byte
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copy(payHash[:], req.RHash)
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invoice, err := r.server.invoices.LookupInvoice(payHash)
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if err != nil {
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return nil, err
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}
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return &lnrpc.Invoice{
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Memo: string(invoice.Memo[:]),
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Receipt: invoice.Receipt[:],
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RPreimage: invoice.Terms.PaymentPreimage[:],
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Value: int64(invoice.Terms.Value),
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}, nil
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}
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// ListInvoices returns a list of all the invoices currently stored within the
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// database. Any active debug invoices are ignored.
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func (r *rpcServer) ListInvoices(ctx context.Context,
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req *lnrpc.ListInvoiceRequest) (*lnrpc.ListInvoiceResponse, error) {
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dbInvoices, err := r.server.chanDB.FetchAllInvoices(req.PendingOnly)
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if err != nil {
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return nil, err
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}
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invoices := make([]*lnrpc.Invoice, len(dbInvoices))
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for i, dbInvoice := range dbInvoices {
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invoice := &lnrpc.Invoice{
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Memo: string(dbInvoice.Memo[:]),
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Receipt: dbInvoice.Receipt[:],
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RPreimage: dbInvoice.Terms.PaymentPreimage[:],
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Value: int64(dbInvoice.Terms.Value),
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}
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invoices[i] = invoice
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}
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return &lnrpc.ListInvoiceResponse{
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Invoices: invoices,
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}, nil
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}
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func (r *rpcServer) ShowRoutingTable(ctx context.Context,
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in *lnrpc.ShowRoutingTableRequest) (*lnrpc.ShowRoutingTableResponse, error) {
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rpcsLog.Debugf("[ShowRoutingTable]")
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