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authorSuhas Daftuar <sdaftuar@gmail.com>2022-05-25 10:16:56 -0400
committerSuhas Daftuar <sdaftuar@gmail.com>2022-08-23 11:34:10 -0400
commit1d4cfa4272cf2c8b980cc8762c1ff2220d3e8d51 (patch)
tree4d1338b17702e4ed0998ece0f00f2d4b8b9ba062 /src/Makefile.am
parent2bd9aa5a44b88c866c4d98f8a7bf7154049cba31 (diff)
downloadbitcoin-1d4cfa4272cf2c8b980cc8762c1ff2220d3e8d51.tar.xz
Add function to validate difficulty changes
The rule against difficulty adjustments changing by more than a factor of 4 can be helpful for anti-DoS measures in contexts where we lack a full headers chain, so expose this functionality separately and in the narrow case where we only know the height, new value, and old value. Includes fuzz test by Martin Zumsande.
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