added support for witness transactions

[eukreign]

No description provided.

[codecov]

Codecov Report

Merging #2613 into master will increase coverage by 4.08%.
The diff coverage is 52.17%.

@@            Coverage Diff             @@
##           master    #2613      +/-   ##
==========================================
+ Coverage   71.87%   75.95%   +4.08%     
==========================================
  Files         170      170              
  Lines       23034    23056      +22     
==========================================
+ Hits        16556    17513     +957     
+ Misses       6478     5543     -935

Impacted Files	Coverage Δ
lbry/lbry/wallet/__init__.py	100% <ø> (ø)	⬆️
torba/torba/client/basetransaction.py	91.92% <37.5%> (-1.25%)	⬇️
torba/torba/server/tx.py	49.27% <60%> (+0.33%)	⬆️
lbry/lbry/conf.py	91.07% <0%> (+0.52%)	⬆️
lbry/lbry/extras/daemon/storage.py	92.09% <0%> (+0.91%)	⬆️
lbry/lbry/stream/downloader.py	92% <0%> (+1%)	⬆️
lbry/lbry/blob_exchange/client.py	74.87% <0%> (+1.53%)	⬆️
lbry/lbry/extras/daemon/Components.py	55.13% <0%> (+1.56%)	⬆️
lbry/lbry/wallet/server/db/writer.py	94.76% <0%> (+1.84%)	⬆️
lbry/lbry/extras/cli.py	95.3% <0%> (+2.34%)	⬆️
... and 29 more

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