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Fast sync (#8884)

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* State sync

* Importing state fixes

* Bugfixes

* Sync with proof

* Status reporting

* Unsafe sync mode

* Sync test

* Cleanup

* Apply suggestions from code review

Co-authored-by: cheme <emericchevalier.pro@gmail.com>
Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>

* set_genesis_storage

* Extract keys from range proof

* Detect iter completion

* Download and import bodies with fast sync

* Replaced meta updates tuple with a struct

* Fixed reverting finalized state

* Reverted timeout

* Typo

* Doc

* Doc

* Fixed light client test

* Fixed error handling

* Tweaks

* More UpdateMeta changes

* Rename convert_transaction

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Code review suggestions

* Fixed count handling

Co-authored-by: cheme <emericchevalier.pro@gmail.com>
Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Arkadiy Paronyan
2021-06-22 11:32:43 +02:00
committed by GitHub
parent 5899eedc8c
commit 77a4b980ae
54 changed files with 2128 additions and 379 deletions
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substrate/primitives/state-machine/src/backend.rs
+16
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@@ -93,6 +93,22 @@ pub trait Backend<H: Hasher>: sp_std::fmt::Debug {
key: &[u8]
) -> Result<Option<StorageKey>, Self::Error>;
/// Iterate over storage starting at key, for a given prefix and child trie.
/// Aborts as soon as `f` returns false.
/// Warning, this fails at first error when usual iteration skips errors.
/// If `allow_missing` is true, iteration stops when it reaches a missing trie node.
/// Otherwise an error is produced.
///
/// Returns `true` if trie end is reached.
fn apply_to_key_values_while<F: FnMut(Vec<u8>, Vec<u8>) -> bool>(
&self,
child_info: Option<&ChildInfo>,
prefix: Option<&[u8]>,
start_at: Option<&[u8]>,
f: F,
allow_missing: bool,
) -> Result<bool, Self::Error>;
/// Retrieve all entries keys of storage and call `f` for each of those keys.
/// Aborts as soon as `f` returns false.
fn apply_to_keys_while<F: FnMut(&[u8]) -> bool>(