Difficulty adjustment #10879

pull kallewoof wants to merge 23 commits into bitcoin:master from dgarage:difficulty-adjustment changing 26 files +2120 −35

kallewoof commented at 4:52 AM on July 19, 2017: member

This includes code by Mark Friedenbach to do smooth difficulty adjustments.
Added ProbabilityTarget/Estimate support to arith_uint256. 6d5d656d74
[test] Added tests for arith_uint256::SetProbabilityTarget/GetProbabilityEstimate. f9b818d17e
Added generic proof of work class. acb859be3a
Imported cuckoo cycle code. 7f4cbf16c3
Added wrapper around cuckoo cycle code. 94f170c480
Added SHA256 POW. caff14ab22
Modified base cuckoo cycle implementation for Bitcoin. e141ca2149
f'inline pthread helpers in osx_barrier.h (fix core cuckoo-cycle) 1464aa203d
[consensus] Add C4 network to chainparams. 49d63d90cd
[temporary] Disable random.cpp dependency in pow to deal with linker issues. 6f45bed355
[pow] Updated CC to allow internal nonces and support for aborting mid-nonce. 0a4c671905
[pow-sha256] Solver now returns success state. 65bdfc36e3
[pow] Solvers now return success state. 093bae6768
[chain] Added C4 network parameters. 46c586e9d4
[pow] Added support for CC in blocks as well as primitive mining functionality. 44c1db582b
Updated Makefile. 749671be83
Edge ivars and started work on bg mining interrupted mid-nonce upon new chain active tip. e9d5d1556b
[pow] Background mining. 12e19b5f05
f'fixes to background solving 64d1148e97
f'some debug stuff; CC stops iterating after 1st sol (probably not worth it but keeping for now) 97de4ccfcc
[consensus] Add BC2 network to chainparams. c1edc38f69
Add GMP library as dependency, for arbitrary-precision rational numbers. 0023b07331
Add new difficulty adjustment filter, which replaces the simple average over 2016 blocks with a faster-activing 36-tap Parks and McClellan FIR filter, and adjustments every 15 blocks with a gain of 0.125 and a limiter of 1.375. a1decce99b
kallewoof closed this on Jul 19, 2017
DrahtBot locked this on Sep 8, 2021

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