Constant bp_polkadot_bulletin::AVERAGE_HEADER_SIZE

pub const AVERAGE_HEADER_SIZE: u32 = 1024; // 1_024u32

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 (December, 2023) Kusama headers. Most of headers are 327 bytes there, but let’s have some reserve and make it 1024.