7569cca19b
To avoid code changing underneath the static migrations, we copy the lnwire dependency in its current form into the migration directory. Ideally the migrations doesn't depend on any code that might change, this takes us a step closer.
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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lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
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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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