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* Add markdown linting - add linter default rules - adapt rules to current code - fix the code for linting to pass - add CI check fix #1243 * Fix markdown for Substrate * Fix tooling install * Fix workflow * Add documentation * Remove trailing spaces * Update .github/.markdownlint.yaml Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Fix mangled markdown/lists * Fix captalization issues on known words
17 lines
815 B
Markdown
17 lines
815 B
Markdown
State database maintenance. Handles canonicalization and pruning in the database. The input to
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this module is a `ChangeSet` which is basically a list of key-value pairs (trie nodes) that
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were added or deleted during block execution.
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# Canonicalization
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Canonicalization window tracks a tree of blocks identified by header hash. The in-memory
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overlay allows to get any node that was inserted in any of the blocks within the window.
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The tree is journaled to the backing database and rebuilt on startup.
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Canonicalization function selects one root from the top of the tree and discards all other roots and
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their subtrees.
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# Pruning
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See `RefWindow` for pruning algorithm details. `StateDb` prunes on each canonicalization until pruning
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constraints are satisfied.
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License: GPL-3.0-or-later WITH Classpath-exception-2.0
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