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90 lines
1.9 KiB
Go
90 lines
1.9 KiB
Go
package loopdb
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import (
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"bytes"
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"encoding/binary"
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"time"
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)
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// LoopInContract contains the data that is serialized to persistent storage for
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// pending loop in swaps.
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type LoopInContract struct {
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SwapContract
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// SweepConfTarget specifies the targeted confirmation target for the
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// client sweep tx.
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HtlcConfTarget int32
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// LoopInChannel is the channel to charge. If zero, any channel may
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// be used.
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LoopInChannel *uint64
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}
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// LoopIn is a combination of the contract and the updates.
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type LoopIn struct {
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Loop
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Contract *LoopInContract
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}
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// LastUpdateTime returns the last update time of this swap.
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func (s *LoopIn) LastUpdateTime() time.Time {
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lastUpdate := s.LastUpdate()
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if lastUpdate == nil {
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return s.Contract.InitiationTime
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}
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return lastUpdate.Time
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}
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// serializeLoopInContract serialize the loop in contract into a byte slice.
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func serializeLoopInContract(swap *LoopInContract) (
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[]byte, error) {
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var b bytes.Buffer
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serializeContract(&swap.SwapContract, &b)
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if err := binary.Write(&b, byteOrder, swap.HtlcConfTarget); err != nil {
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return nil, err
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}
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var chargeChannel uint64
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if swap.LoopInChannel != nil {
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chargeChannel = *swap.LoopInChannel
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}
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if err := binary.Write(&b, byteOrder, chargeChannel); err != nil {
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return nil, err
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}
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return b.Bytes(), nil
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}
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// deserializeLoopInContract deserializes the loop in contract from a byte slice.
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func deserializeLoopInContract(value []byte) (*LoopInContract, error) {
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r := bytes.NewReader(value)
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contract, err := deserializeContract(r)
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if err != nil {
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return nil, err
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}
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swap := LoopInContract{
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SwapContract: *contract,
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}
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if err := binary.Read(r, byteOrder, &swap.HtlcConfTarget); err != nil {
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return nil, err
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}
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var loopInChannel uint64
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if err := binary.Read(r, byteOrder, &loopInChannel); err != nil {
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return nil, err
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}
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if loopInChannel != 0 {
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swap.LoopInChannel = &loopInChannel
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}
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return &swap, nil
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}
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