mirror of
https://github.com/lightningnetwork/lnd.git
synced 2024-11-19 18:10:34 +01:00
109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
package migration_01_to_11
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import (
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"bytes"
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"fmt"
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"math/rand"
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"time"
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"github.com/btcsuite/btcd/btcec"
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"github.com/lightningnetwork/lnd/lnwire"
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)
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var (
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priv, _ = btcec.NewPrivateKey(btcec.S256())
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pub = priv.PubKey()
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)
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func makeFakePayment() *outgoingPayment {
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fakeInvoice := &Invoice{
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// Use single second precision to avoid false positive test
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// failures due to the monotonic time component.
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CreationDate: time.Unix(time.Now().Unix(), 0),
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Memo: []byte("fake memo"),
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Receipt: []byte("fake receipt"),
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PaymentRequest: []byte(""),
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}
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copy(fakeInvoice.Terms.PaymentPreimage[:], rev[:])
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fakeInvoice.Terms.Value = lnwire.NewMSatFromSatoshis(10000)
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fakePath := make([][33]byte, 3)
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for i := 0; i < 3; i++ {
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copy(fakePath[i][:], bytes.Repeat([]byte{byte(i)}, 33))
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}
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fakePayment := &outgoingPayment{
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Invoice: *fakeInvoice,
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Fee: 101,
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Path: fakePath,
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TimeLockLength: 1000,
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}
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copy(fakePayment.PaymentPreimage[:], rev[:])
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return fakePayment
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}
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// randomBytes creates random []byte with length in range [minLen, maxLen)
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func randomBytes(minLen, maxLen int) ([]byte, error) {
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randBuf := make([]byte, minLen+rand.Intn(maxLen-minLen))
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if _, err := rand.Read(randBuf); err != nil {
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return nil, fmt.Errorf("Internal error. "+
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"Cannot generate random string: %v", err)
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}
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return randBuf, nil
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}
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func makeRandomFakePayment() (*outgoingPayment, error) {
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var err error
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fakeInvoice := &Invoice{
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// Use single second precision to avoid false positive test
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// failures due to the monotonic time component.
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CreationDate: time.Unix(time.Now().Unix(), 0),
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}
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fakeInvoice.Memo, err = randomBytes(1, 50)
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if err != nil {
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return nil, err
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}
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fakeInvoice.Receipt, err = randomBytes(1, 50)
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if err != nil {
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return nil, err
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}
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fakeInvoice.PaymentRequest, err = randomBytes(1, 50)
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if err != nil {
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return nil, err
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}
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preImg, err := randomBytes(32, 33)
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if err != nil {
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return nil, err
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}
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copy(fakeInvoice.Terms.PaymentPreimage[:], preImg)
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fakeInvoice.Terms.Value = lnwire.MilliSatoshi(rand.Intn(10000))
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fakePathLen := 1 + rand.Intn(5)
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fakePath := make([][33]byte, fakePathLen)
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for i := 0; i < fakePathLen; i++ {
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b, err := randomBytes(33, 34)
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if err != nil {
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return nil, err
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}
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copy(fakePath[i][:], b)
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}
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fakePayment := &outgoingPayment{
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Invoice: *fakeInvoice,
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Fee: lnwire.MilliSatoshi(rand.Intn(1001)),
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Path: fakePath,
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TimeLockLength: uint32(rand.Intn(10000)),
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}
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copy(fakePayment.PaymentPreimage[:], fakeInvoice.Terms.PaymentPreimage[:])
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return fakePayment, nil
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}
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