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Steve Degosserie 22632efc5f Update READMEs, fix links (#7176 )

* Re-generate READMEs to fix doc links; set readme field in package manifests

* Re-generate READMEs to fix doc links; set readme field in package manifests

* Re-generate READMEs to fix doc links; set readme field in package manifests

* Re-generate READMEs to fix doc links; set readme field in package manifests

* Revert stuff that shouldn't have been committed

* Revert stuff that shouldn't have been committed

* Fix parent relative link generation

* Manually remove this incorrect link for now.

2020-09-22 13:38:23 +00:00

src

Restore the empty line after the license (#6088 )

2020-05-20 13:08:27 +00:00

Cargo.toml

Update READMEs, fix links (#7176 )

2020-09-22 13:38:23 +00:00

README.md

prepping for releasing rc6 (#6922 )

2020-08-20 17:04:42 +02:00

README.md

State database maintenance. Handles canonicalization and pruning in the database. The input to this module is a ChangeSet which is basically a list of key-value pairs (trie nodes) that were added or deleted during block execution.

Canonicalization.

Canonicalization window tracks a tree of blocks identified by header hash. The in-memory overlay allows to get any node that was inserted in any of the blocks within the window. The tree is journaled to the backing database and rebuilt on startup. Canonicalization function selects one root from the top of the tree and discards all other roots and their subtrees.

Pruning.

See RefWindow for pruning algorithm details. StateDb prunes on each canonicalization until pruning constraints are satisfied.

License: GPL-3.0-or-later WITH Classpath-exception-2.0