386f8ece54
Since nilling the pubkey curve will lead to a nil-pointer exception if the key is later used for signature verification, we make sure to make a copy before nilling and spewing.
44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
package zpay32
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import "github.com/btcsuite/btcd/btcec"
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const (
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// DefaultFinalCLTVDelta is the default value to be used as the final
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// CLTV delta for a route if one is unspecified.
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DefaultFinalCLTVDelta = 9
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)
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// HopHint is a routing hint that contains the minimum information of a channel
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// required for an intermediate hop in a route to forward the payment to the
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// next. This should be ideally used for private channels, since they are not
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// publicly advertised to the network for routing.
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type HopHint struct {
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// NodeID is the public key of the node at the start of the channel.
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NodeID *btcec.PublicKey
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// ChannelID is the unique identifier of the channel.
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ChannelID uint64
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// FeeBaseMSat is the base fee of the channel in millisatoshis.
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FeeBaseMSat uint32
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// FeeProportionalMillionths is the fee rate, in millionths of a
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// satoshi, for every satoshi sent through the channel.
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FeeProportionalMillionths uint32
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// CLTVExpiryDelta is the time-lock delta of the channel.
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CLTVExpiryDelta uint16
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}
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// Copy returns a deep copy of the hop hint.
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func (h HopHint) Copy() HopHint {
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nodeID := *h.NodeID
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return HopHint{
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NodeID: &nodeID,
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ChannelID: h.ChannelID,
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FeeBaseMSat: h.FeeBaseMSat,
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FeeProportionalMillionths: h.FeeProportionalMillionths,
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CLTVExpiryDelta: h.CLTVExpiryDelta,
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}
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}
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