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Only store header state root (pallet-bridge-parachains) (#1701)

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* store block number ++ state root in parachains pallet

* fixed parachains finality APIs

* (test commit)

* removed test code

* deduplicated code a bit

* removed commented code

* spelling

* Update modules/parachains/src/lib.rs

Co-authored-by: Adrian Catangiu <adrian@parity.io>

* Update modules/parachains/src/lib.rs

Co-authored-by: Adrian Catangiu <adrian@parity.io>

* Update modules/parachains/src/mock.rs

Co-authored-by: Adrian Catangiu <adrian@parity.io>

* added comment

Co-authored-by: Adrian Catangiu <adrian@parity.io>
This commit is contained in:
Svyatoslav Nikolsky
2022-12-12 09:15:36 +03:00
committed by Bastian Köcher
parent 2c5e2f09eb
commit d63a75697c
22 changed files with 446 additions and 176 deletions
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bridges/primitives/chain-rococo/src/lib.rs
+5 -5
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@@ -35,12 +35,12 @@ pub const PARAS_PALLET_NAME: &str = "Paras";
/// Name of the With-Rococo GRANDPA pallet instance that is deployed at bridged chains.
pub const WITH_ROCOCO_GRANDPA_PALLET_NAME: &str = "BridgeRococoGrandpa";
/// Maximal SCALE-encoded size of parachains headers that are stored at Rococo `Paras` pallet.
/// Maximal size of encoded `bp_parachains::ParaStoredHeaderData` structure among all Rococo
/// parachains.
///
/// Let's assume that the largest header is header that enacts new authorities set with
/// `MAX_AUTHORITES_COUNT`. Every authority means 32-byte key and 8-byte weight. Let's also have
/// some fixed reserve for other things (digest, block hash and number, ...) as well.
pub const MAX_NESTED_PARACHAIN_HEAD_SIZE: u32 = 4096 + MAX_AUTHORITIES_COUNT * 40;
/// It includes the block number and state root, so it shall be near 40 bytes, but let's have some
/// reserve.
pub const MAX_NESTED_PARACHAIN_HEAD_DATA_SIZE: u32 = 128;
/// Maximal number of GRANDPA authorities at Rococo.
///