Function insert_history 

pub fn insert_history<'a, 'b, Provider>(
    provider: &Provider,
    alloc: impl Iterator<Item = (&'a Address, &'b GenesisAccount)> + Clone,
    block: u64,
) -> Result<(), ProviderError>
where
    Provider: DBProvider + HistoryWriter + StorageSettingsCache + RocksDBProviderFactory + NodePrimitivesProvider,
    <Provider as DBProvider>::Tx: DbTxMut,

Available on crate feature provider only.

Inserts history indices for genesis accounts and storage.

Writes to either MDBX or RocksDB based on storage settings configuration, using EitherWriter to abstract over the storage backend.