Gavin Andresen acf513cfe7 Move signature cache from CKey::Verify to CheckSig in script.cpp ...

More than doubles the speed of verifying already-cached signatures
that use compressed pubkeys:
Before: ~200 microseconds
After:  ~80 microseconds
(no caching at all: ~3,300 microseconds per signature)

Also encapsulates the signature cache code in a class
and fixes a signed/unsigned comparison warning.

2012-05-22 14:15:11 -04:00

11 KiB

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