70 lines
2.2 KiB
Go
70 lines
2.2 KiB
Go
package funding
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import (
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"encoding/binary"
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"io"
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"github.com/btcsuite/btcd/wire"
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"github.com/btcsuite/btcutil"
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"github.com/lightningnetwork/lnd/chainreg"
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)
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var (
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// byteOrder defines the endian-ness we use for encoding to and from
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// buffers.
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byteOrder = binary.BigEndian
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)
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// WriteOutpoint writes an outpoint to an io.Writer. This is not the same as
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// the channeldb variant as this uses WriteVarBytes for the Hash.
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func WriteOutpoint(w io.Writer, o *wire.OutPoint) error {
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scratch := make([]byte, 4)
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if err := wire.WriteVarBytes(w, 0, o.Hash[:]); err != nil {
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return err
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}
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byteOrder.PutUint32(scratch, o.Index)
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_, err := w.Write(scratch)
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return err
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}
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const (
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// MinBtcRemoteDelay is the minimum CSV delay we will require the remote
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// to use for its commitment transaction.
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MinBtcRemoteDelay uint16 = 144
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// MaxBtcRemoteDelay is the maximum CSV delay we will require the remote
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// to use for its commitment transaction.
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MaxBtcRemoteDelay uint16 = 2016
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// MinLtcRemoteDelay is the minimum Litecoin CSV delay we will require the
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// remote to use for its commitment transaction.
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MinLtcRemoteDelay uint16 = 576
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// MaxLtcRemoteDelay is the maximum Litecoin CSV delay we will require the
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// remote to use for its commitment transaction.
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MaxLtcRemoteDelay uint16 = 8064
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// MinChanFundingSize is the smallest channel that we'll allow to be
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// created over the RPC interface.
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MinChanFundingSize = btcutil.Amount(20000)
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// MaxBtcFundingAmount is a soft-limit of the maximum channel size
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// currently accepted on the Bitcoin chain within the Lightning
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// Protocol. This limit is defined in BOLT-0002, and serves as an
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// initial precautionary limit while implementations are battle tested
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// in the real world.
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MaxBtcFundingAmount = btcutil.Amount(1<<24) - 1
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// MaxBtcFundingAmountWumbo is a soft-limit on the maximum size of wumbo
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// channels. This limit is 10 BTC and is the only thing standing between
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// you and limitless channel size (apart from 21 million cap)
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MaxBtcFundingAmountWumbo = btcutil.Amount(1000000000)
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// MaxLtcFundingAmount is a soft-limit of the maximum channel size
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// currently accepted on the Litecoin chain within the Lightning
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// Protocol.
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MaxLtcFundingAmount = MaxBtcFundingAmount * chainreg.BtcToLtcConversionRate
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)
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