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input: update SignDescriptor doc to note only segwit is supported

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Also update the WitnessScript doc to note it should be set also for
p2wkh.
This commit is contained in:
Johan T. Halseth 2020-01-06 11:42:04 +01:00
parent f92c7a3af0
commit 9b5809a884
No known key found for this signature in database
GPG Key ID: 15BAADA29DA20D26
1 changed files with 6 additions and 5 deletions
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11
input/signdescriptor.go
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@ -17,9 +17,9 @@ var (
ErrTweakOverdose = errors.New("sign descriptor should only have one tweak")
)
// SignDescriptor houses the necessary information required to successfully sign
// a given output. This struct is used by the Signer interface in order to gain
// access to critical data needed to generate a valid signature.
// SignDescriptor houses the necessary information required to successfully
// sign a given segwit output. This struct is used by the Signer interface in
// order to gain access to critical data needed to generate a valid signature.
type SignDescriptor struct {
// KeyDesc is a descriptor that precisely describes *which* key to use
// for signing. This may provide the raw public key directly, or
@ -56,8 +56,9 @@ type SignDescriptor struct {
DoubleTweak *btcec.PrivateKey
// WitnessScript is the full script required to properly redeem the
// output. This field will only be populated if a p2wsh or a p2sh
// output is being signed.
// output. This field should be set to the full script if a p2wsh
// output is being signed. For p2wkh it should be set to the hashed
// script (PkScript).
WitnessScript []byte
// Output is the target output which should be signed. The PkScript and