Expand description
Replay protection logic for v part of transaction’s signature
Functions§
- add_
chain_ replay_ protection  - Adds chain id into v
 - extract_
chain_ id_ from_ legacy_ v  - extract_
standard_ v  - Returns refined v
0 if 
vwould have been 27 under “Electrum” notation, 1 if 28 or 4 if invalid.