Function lean_block_id

crates/kernel/src/ingress.rs:2743–2750

(
  self_name: &Name,
  all: Option<&Vec<Name>>,
  n2a: &DashMap<Name, Address>,
)

///   is stored at its content address, not any individual member's name
///   hash).
pub fn build_ingress_lookups(
  ixon_env: &IxonEnv,
) -> (FxHashMap<Address, Name>, FxHashMap<Name, Address>) {
  let mut name_map: FxHashMap<Address, Name> = FxHashMap::default();
  for entry in ixon_env.names.iter() {
    name_map.insert(entry.key().clone(), entry.value().clone());
  }
  let mut addr_map: FxHashMap<Name, Address> = FxHashMap::default();
  for entry in ixon_env.named.iter() {
    addr_map.insert(entry.key().clone(), entry.value().addr.clone());
  }