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lnwallet: add Tree() method, fix formatting

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This commit is contained in:
Oliver Gugger
2024-04-11 14:26:15 +02:00
parent 1552a67f3f
commit c25b04fbea
3 changed files with 66 additions and 48 deletions
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75
input/script_utils.go
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@@ -729,8 +729,8 @@ func (h *HtlcScriptTree) WitnessScriptForPath(path ScriptPath) ([]byte, error) {
// CtrlBlockForPath returns the control block for the given spending path. For
// script types that don't have a control block, nil is returned.
func (h *HtlcScriptTree) CtrlBlockForPath(path ScriptPath,
) (*txscript.ControlBlock, error) {
func (h *HtlcScriptTree) CtrlBlockForPath(
path ScriptPath) (*txscript.ControlBlock, error) {
switch path {
case ScriptPathSuccess:
@@ -748,6 +748,11 @@ func (h *HtlcScriptTree) CtrlBlockForPath(path ScriptPath,
}
}
// Tree returns the underlying ScriptTree of the HtlcScriptTree.
func (h *HtlcScriptTree) Tree() ScriptTree {
return h.ScriptTree
}
// A compile time check to ensure HtlcScriptTree implements the
// TapscriptMultiplexer interface.
var _ TapscriptDescriptor = (*HtlcScriptTree)(nil)
@@ -1748,9 +1753,9 @@ func TaprootSecondLevelScriptTree(revokeKey, delayKey *btcec.PublicKey,
}, nil
}
// WitnessScript returns the witness script that we'll use when signing for the
// remote party, and also verifying signatures on our transactions. As an
// example, when we create an outgoing HTLC for the remote party, we want to
// WitnessScriptToSign returns the witness script that we'll use when signing
// for the remote party, and also verifying signatures on our transactions. As
// an example, when we create an outgoing HTLC for the remote party, we want to
// sign their success path.
func (s *SecondLevelScriptTree) WitnessScriptToSign() []byte {
return s.SuccessTapLeaf.Script
@@ -1758,8 +1763,8 @@ func (s *SecondLevelScriptTree) WitnessScriptToSign() []byte {
// WitnessScriptForPath returns the witness script for the given spending path.
// An error is returned if the path is unknown.
func (s *SecondLevelScriptTree) WitnessScriptForPath(path ScriptPath,
) ([]byte, error) {
func (s *SecondLevelScriptTree) WitnessScriptForPath(
path ScriptPath) ([]byte, error) {
switch path {
case ScriptPathDelay:
@@ -1774,8 +1779,8 @@ func (s *SecondLevelScriptTree) WitnessScriptForPath(path ScriptPath,
// CtrlBlockForPath returns the control block for the given spending path. For
// script types that don't have a control block, nil is returned.
func (s *SecondLevelScriptTree) CtrlBlockForPath(path ScriptPath,
) (*txscript.ControlBlock, error) {
func (s *SecondLevelScriptTree) CtrlBlockForPath(
path ScriptPath) (*txscript.ControlBlock, error) {
switch path {
case ScriptPathDelay:
@@ -1791,6 +1796,11 @@ func (s *SecondLevelScriptTree) CtrlBlockForPath(path ScriptPath,
}
}
// Tree returns the underlying ScriptTree of the SecondLevelScriptTree.
func (s *SecondLevelScriptTree) Tree() ScriptTree {
return s.ScriptTree
}
// A compile time check to ensure SecondLevelScriptTree implements the
// TapscriptDescriptor interface.
var _ TapscriptDescriptor = (*SecondLevelScriptTree)(nil)
@@ -2133,9 +2143,9 @@ type CommitScriptTree struct {
// TapscriptDescriptor interface.
var _ TapscriptDescriptor = (*CommitScriptTree)(nil)
// WitnessScript returns the witness script that we'll use when signing for the
// remote party, and also verifying signatures on our transactions. As an
// example, when we create an outgoing HTLC for the remote party, we want to
// WitnessScriptToSign returns the witness script that we'll use when signing
// for the remote party, and also verifying signatures on our transactions. As
// an example, when we create an outgoing HTLC for the remote party, we want to
// sign their success path.
func (c *CommitScriptTree) WitnessScriptToSign() []byte {
// TODO(roasbeef): abstraction leak here? always dependent
@@ -2144,8 +2154,8 @@ func (c *CommitScriptTree) WitnessScriptToSign() []byte {
// WitnessScriptForPath returns the witness script for the given spending path.
// An error is returned if the path is unknown.
func (c *CommitScriptTree) WitnessScriptForPath(path ScriptPath,
) ([]byte, error) {
func (c *CommitScriptTree) WitnessScriptForPath(
path ScriptPath) ([]byte, error) {
switch path {
// For the commitment output, the delay and success path are the same,
@@ -2163,8 +2173,8 @@ func (c *CommitScriptTree) WitnessScriptForPath(path ScriptPath,
// CtrlBlockForPath returns the control block for the given spending path. For
// script types that don't have a control block, nil is returned.
func (c *CommitScriptTree) CtrlBlockForPath(path ScriptPath,
) (*txscript.ControlBlock, error) {
func (c *CommitScriptTree) CtrlBlockForPath(
path ScriptPath) (*txscript.ControlBlock, error) {
switch path {
case ScriptPathDelay:
@@ -2184,6 +2194,11 @@ func (c *CommitScriptTree) CtrlBlockForPath(path ScriptPath,
}
}
// Tree returns the underlying ScriptTree of the CommitScriptTree.
func (c *CommitScriptTree) Tree() ScriptTree {
return c.ScriptTree
}
// NewLocalCommitScriptTree returns a new CommitScript tree that can be used to
// create and spend the commitment output for the local party.
func NewLocalCommitScriptTree(csvTimeout uint32, selfKey,
@@ -2311,7 +2326,7 @@ func TaprootCommitScriptToSelf(csvTimeout uint32,
return commitScriptTree.TaprootKey, nil
}
// MakeTaprootSCtrlBlock takes a leaf script, the internal key (usually the
// MakeTaprootCtrlBlock takes a leaf script, the internal key (usually the
// revoke key), and a script tree and creates a valid control block for a spend
// of the leaf.
func MakeTaprootCtrlBlock(leafScript []byte, internalKey *btcec.PublicKey,
@@ -2366,9 +2381,6 @@ func TaprootCommitSpendSuccess(signer Signer, signDesc *SignDescriptor,
witnessStack[0] = maybeAppendSighash(sweepSig, signDesc.HashType)
witnessStack[1] = signDesc.WitnessScript
witnessStack[2] = ctrlBlockBytes
if err != nil {
return nil, err
}
return witnessStack, nil
}
@@ -2850,8 +2862,8 @@ type AnchorScriptTree struct {
// NewAnchorScriptTree makes a new script tree for an anchor output with the
// passed anchor key.
func NewAnchorScriptTree(anchorKey *btcec.PublicKey,
) (*AnchorScriptTree, error) {
func NewAnchorScriptTree(
anchorKey *btcec.PublicKey) (*AnchorScriptTree, error) {
// The main script used is just a OP_16 CSV (anyone can sweep after 16
// blocks).
@@ -2887,9 +2899,9 @@ func NewAnchorScriptTree(anchorKey *btcec.PublicKey,
}, nil
}
// WitnessScript returns the witness script that we'll use when signing for the
// remote party, and also verifying signatures on our transactions. As an
// example, when we create an outgoing HTLC for the remote party, we want to
// WitnessScriptToSign returns the witness script that we'll use when signing
// for the remote party, and also verifying signatures on our transactions. As
// an example, when we create an outgoing HTLC for the remote party, we want to
// sign their success path.
func (a *AnchorScriptTree) WitnessScriptToSign() []byte {
return a.SweepLeaf.Script
@@ -2897,8 +2909,8 @@ func (a *AnchorScriptTree) WitnessScriptToSign() []byte {
// WitnessScriptForPath returns the witness script for the given spending path.
// An error is returned if the path is unknown.
func (a *AnchorScriptTree) WitnessScriptForPath(path ScriptPath,
) ([]byte, error) {
func (a *AnchorScriptTree) WitnessScriptForPath(
path ScriptPath) ([]byte, error) {
switch path {
case ScriptPathDelay:
@@ -2913,8 +2925,8 @@ func (a *AnchorScriptTree) WitnessScriptForPath(path ScriptPath,
// CtrlBlockForPath returns the control block for the given spending path. For
// script types that don't have a control block, nil is returned.
func (a *AnchorScriptTree) CtrlBlockForPath(path ScriptPath,
) (*txscript.ControlBlock, error) {
func (a *AnchorScriptTree) CtrlBlockForPath(
path ScriptPath) (*txscript.ControlBlock, error) {
switch path {
case ScriptPathDelay:
@@ -2930,6 +2942,11 @@ func (a *AnchorScriptTree) CtrlBlockForPath(path ScriptPath,
}
}
// Tree returns the underlying ScriptTree of the AnchorScriptTree.
func (a *AnchorScriptTree) Tree() ScriptTree {
return a.ScriptTree
}
// A compile time check to ensure AnchorScriptTree implements the
// TapscriptDescriptor interface.
var _ TapscriptDescriptor = (*AnchorScriptTree)(nil)