History and Log Indexes

[AndreaLanfranchi]

Rewrite and plug into syncloop of :

• History Indexes
• Log Indexes

These two stages have a lot in common (basically an index of roaring bitmaps) hence the implementation of IndexLoader in db\bitmap.hpp. The size of bitmap shards to insert in tables is now computed dynamically on behalf of MDBX's page size History index has two sub-stages : one for Account and one for Storage

[AndreaLanfranchi]

If you want we can wait another day and also tx lookup stage will be plugged in

[codecov[bot]]

Codecov Report

Merging #743 (dd88123) into master (9004e9c) will decrease coverage by 0.60%. The diff coverage is 71.49%.

@@            Coverage Diff             @@
##           master     #743      +/-   ##
==========================================
- Coverage   76.31%   75.71%   -0.61%     
==========================================
  Files         190      193       +3     
  Lines       13057    13686     +629     
  Branches     2119     2185      +66     
==========================================
+ Hits         9965    10362     +397     
- Misses       2212     2410     +198     
- Partials      880      914      +34     

Impacted Files	Coverage Δ
node/silkworm/stagedsync/common.hpp	58.82% <0.00%> (+21.32%)	:arrow_up:
node/silkworm/stagedsync/stage_blockhashes.hpp	100.00% <ø> (ø)
node/silkworm/stagedsync/stage_senders.cpp	26.41% <0.00%> (ø)
node/silkworm/db/access_layer.cpp	80.10% <14.28%> (-0.74%)	:arrow_down:
node/silkworm/stagedsync/stage_hashstate.cpp	47.03% <33.33%> (-1.44%)	:arrow_down:
node/silkworm/db/util.cpp	74.13% <62.50%> (ø)
node/silkworm/stagedsync/stage_execution.cpp	30.63% <62.50%> (-0.47%)	:arrow_down:
node/silkworm/stagedsync/stage_blockhashes.cpp	57.02% <64.00%> (+7.02%)	:arrow_up:
node/silkworm/stagedsync/stage_tx_lookup.cpp	63.06% <64.02%> (-20.90%)	:arrow_down:
node/silkworm/db/prune_mode.cpp	88.60% <66.66%> (-0.08%)	:arrow_down:
... and 28 more

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