mirror of
https://github.com/aljazceru/lspd.git
synced 2026-01-22 23:44:23 +01:00
87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
package itest
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import (
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"crypto/sha256"
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"github.com/breez/lntest"
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"github.com/btcsuite/btcd/btcec/v2"
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"github.com/btcsuite/btcd/btcec/v2/ecdsa"
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"github.com/btcsuite/btcd/chaincfg"
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"github.com/lightningnetwork/lnd/lnwire"
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"github.com/lightningnetwork/lnd/zpay32"
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)
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type BreezClient interface {
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Name() string
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Harness() *lntest.TestHarness
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Node() lntest.LightningNode
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Start()
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Stop() error
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}
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type generateInvoicesRequest struct {
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innerAmountMsat uint64
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outerAmountMsat uint64
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description string
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lsp LspNode
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}
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type invoice struct {
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bolt11 string
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paymentHash []byte
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paymentSecret []byte
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paymentPreimage []byte
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}
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func GenerateInvoices(n BreezClient, req generateInvoicesRequest) (invoice, invoice) {
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preimage, err := GenerateRandomBytes(32)
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lntest.CheckError(n.Harness().T, err)
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lspNodeId, err := btcec.ParsePubKey(req.lsp.NodeId())
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lntest.CheckError(n.Harness().T, err)
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innerInvoice := n.Node().CreateBolt11Invoice(&lntest.CreateInvoiceOptions{
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AmountMsat: req.innerAmountMsat,
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Description: &req.description,
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Preimage: &preimage,
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})
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outerInvoiceRaw, err := zpay32.Decode(innerInvoice.Bolt11, &chaincfg.RegressionNetParams)
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lntest.CheckError(n.Harness().T, err)
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milliSat := lnwire.MilliSatoshi(req.outerAmountMsat)
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outerInvoiceRaw.MilliSat = &milliSat
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fakeChanId := &lnwire.ShortChannelID{BlockHeight: 1, TxIndex: 0, TxPosition: 0}
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outerInvoiceRaw.RouteHints = append(outerInvoiceRaw.RouteHints, []zpay32.HopHint{
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{
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NodeID: lspNodeId,
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ChannelID: fakeChanId.ToUint64(),
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FeeBaseMSat: lspBaseFeeMsat,
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FeeProportionalMillionths: lspFeeRatePpm,
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CLTVExpiryDelta: lspCltvDelta,
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},
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})
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outerInvoice, err := outerInvoiceRaw.Encode(zpay32.MessageSigner{
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SignCompact: func(msg []byte) ([]byte, error) {
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hash := sha256.Sum256(msg)
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return ecdsa.SignCompact(n.Node().PrivateKey(), hash[:], true)
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},
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})
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lntest.CheckError(n.Harness().T, err)
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inner := invoice{
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bolt11: innerInvoice.Bolt11,
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paymentHash: innerInvoice.PaymentHash,
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paymentSecret: innerInvoice.PaymentSecret,
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paymentPreimage: preimage,
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}
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outer := invoice{
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bolt11: outerInvoice,
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paymentHash: outerInvoiceRaw.PaymentHash[:],
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paymentSecret: innerInvoice.PaymentSecret,
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paymentPreimage: preimage,
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}
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return inner, outer
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}
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