Felix Lange 924065e19d consensus/ethash: improve cache/dataset handling (#15864) ... * consensus/ethash: add maxEpoch constant * consensus/ethash: improve cache/dataset handling There are two fixes in this commit: Unmap the memory through a finalizer like the libethash wrapper did. The release logic was incorrect and freed the memory while it was being used, leading to crashes like in #14495 or #14943. Track caches and datasets using simplelru instead of reinventing LRU logic. This should make it easier to see whether it's correct. * consensus/ethash: restore 'future item' logic in lru * consensus/ethash: use mmap even in test mode This makes it possible to shorten the time taken for TestCacheFileEvict. * consensus/ethash: shuffle func calc*Size comments around * consensus/ethash: ensure future cache/dataset is in the lru cache * consensus/ethash: add issue link to the new test * consensus/ethash: fix vet * consensus/ethash: fix test * consensus: tiny issue + nitpick fixes		2018-01-23 12:05:30 +02:00
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clique	accounts, consensus, core, eth: make chain maker consensus agnostic (#15497)	2017-12-22 14:37:50 +02:00
ethash	consensus/ethash: improve cache/dataset handling (#15864)	2018-01-23 12:05:30 +02:00
misc	rlp, trie, contracts, compression, consensus: improve comments (#14580)	2017-06-12 14:45:17 +02:00
consensus.go	accounts, consensus, core, eth: make chain maker consensus agnostic (#15497)	2017-12-22 14:37:50 +02:00
errors.go	consensus/clique: Proof of Authority (#3753)	2017-04-10 12:24:12 +02:00