202d1cd581 Rename taproot::Error to SigFromSliceError (Tobin C. Harding)
29678cb82b Correctly document InvalidSighashType variant (Tobin C. Harding)
13d5c0536b Remove explicit error conversion (Tobin C. Harding)
d86517ae4f taproot: Use error variants locally (Tobin C. Harding)
Pull request description:
First three patches are preparatory cleanup, last patch renames `crypto::taproot::Error` to `SigFromSliceError`. See commit log for justification of the `Sig` prefix.
Done as part of the great error cleanup.
ACKs for top commit:
apoelstra:
ACK 202d1cd581
Kixunil:
ACK 202d1cd581
Tree-SHA512: 87aef07d2a3518c68c070e348d2331a9fbf1dc5cd36fd4d966607ddb0531eca9dc6be08f1923f941d33973f173b915490de9ef0cad724cce7bf108cdc8a82af0
7eeb3e6a4a