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utxonursery: refactors kidOutput SignDescriptor serialization

This commit is contained in:
Conner Fromknecht 2017-07-31 18:43:22 -07:00 committed by Olaoluwa Osuntokun
parent 438c6b9621
commit c0f1d12521
1 changed files with 3 additions and 51 deletions
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54
utxonursery.go
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@ -784,7 +784,7 @@ func fetchGraduatingOutputs(db *channeldb.DB, wallet *lnwallet.LightningWallet,
// our commitment transaction or theirs, and also if it's an HTLC
// output or not.
for _, kgtnOutput := range kgtnOutputs {
kgtnOutput.witnessFunc = kgtnOutput.witnessType.generateFunc(
kgtnOutput.witnessFunc = kgtnOutput.witnessType.GenWitnessFunc(
&wallet.Cfg.Signer, kgtnOutput.signDescriptor,
)
}
@ -1011,25 +1011,7 @@ func serializeKidOutput(w io.Writer, kid *kidOutput) error {
return err
}
if err := lnwallet.WriteSignDescriptor(w, kid.signDescriptor); err != nil {
return err
}
if err := wire.WriteVarBytes(w, 0, kid.signDescriptor.SingleTweak); err != nil {
return err
}
if err := wire.WriteVarBytes(w, 0, kid.signDescriptor.WitnessScript); err != nil {
return err
}
if err := writeTxOut(w, kid.signDescriptor.Output); err != nil {
return err
}
byteOrder.PutUint32(scratch[:4], uint32(kid.signDescriptor.HashType))
_, err := w.Write(scratch[:4])
return err
return lnwallet.WriteSignDescriptor(w, kid.signDescriptor)
}
// deserializeKidOutput takes a byte array representation of a kidOutput
@ -1072,37 +1054,7 @@ func deserializeKidOutput(r io.Reader) (*kidOutput, error) {
kid.witnessType = lnwallet.WitnessType(byteOrder.Uint16(scratch[:2]))
kid.signDescriptor = &lnwallet.SignDescriptor{}
descKeyBytes, err := wire.ReadVarBytes(r, 0, 34, "descKeyBytes")
if err != nil {
return nil, err
}
descKey, err := btcec.ParsePubKey(descKeyBytes, btcec.S256())
if err != nil {
return nil, err
}
kid.signDescriptor.PubKey = descKey
descPrivateTweak, err := wire.ReadVarBytes(r, 0, 32, "privateTweak")
if err != nil {
return nil, err
}
kid.signDescriptor.SingleTweak = descPrivateTweak
descWitnessScript, err := wire.ReadVarBytes(r, 0, 100, "witnessScript")
if err != nil {
return nil, err
}
kid.signDescriptor.WitnessScript = descWitnessScript
descTxOut := &wire.TxOut{}
if err := readTxOut(r, descTxOut); err != nil {
return nil, err
}
kid.signDescriptor.Output = descTxOut
if _, err := r.Read(scratch[:4]); err != nil {
if err := lnwallet.ReadSignDescriptor(r, kid.signDescriptor); err != nil {
return nil, err
}