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separate constants for average and worst case relay headers (#2728)

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* separate constants for average and worst case relay headers

* fix compilation
This commit is contained in:
Svyatoslav Nikolsky
2023-12-05 18:00:34 +03:00
committed by Bastian Köcher
parent 1eb73979bd
commit 6d35de23be
10 changed files with 37 additions and 3 deletions
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bridges/primitives/polkadot-core/src/lib.rs
+11 -2
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@@ -70,7 +70,16 @@ pub const MAX_AUTHORITIES_COUNT: u32 = 1_256;
/// reserve here.
pub const REASONABLE_HEADERS_IN_JUSTIFICATON_ANCESTRY: u32 = 2;
/// Approximate average header size in `votes_ancestries` field of justification on Polkadot-like
/// Average header size in `votes_ancestries` field of justification on Polkadot-like
/// chains.
///
/// See [`bp-header-chain::ChainWithGrandpa`] for more details.
///
/// This value comes from recent (February, 2023) Kusama headers. Average is `336` there, but let's
/// have some reserve and make it 1024.
pub const AVERAGE_HEADER_SIZE_IN_JUSTIFICATION: u32 = 1024;
/// Worst-case header size in `votes_ancestries` field of justification on Polkadot-like
/// chains.
///
/// See [`bp-header-chain::ChainWithGrandpa`] for more details.
@@ -79,7 +88,7 @@ pub const REASONABLE_HEADERS_IN_JUSTIFICATON_ANCESTRY: u32 = 2;
/// non-mandatory headers has size `40kb` (they contain the BABE epoch descriptor with all
/// authorities - just like our mandatory header). Since we assume `2` headers in justification
/// votes ancestry, let's set average header to `40kb / 2`.
pub const AVERAGE_HEADER_SIZE_IN_JUSTIFICATION: u32 = 20 * 1024;
pub const WORST_HEADER_SIZE_IN_JUSTIFICATION: u32 = 20 * 1024;
/// Approximate maximal header size on Polkadot-like chains.
///