BREAKING CHANGE: InboxConfig is just self_zone; allowed_routes, InboxConfig::permits
and routes_permit are gone, and build_inbox_init_config_tx no longer takes the
cross-zone config. The operator's per-peer routes still configure the same thing,
fanned out at genesis into each target's own config instead. The watcher keeps
only a hygiene filter refusing a peer that names a sequencer-only program, kept
host-side so it cannot make the verifier disagree.
BREAKING CHANGE: an inbox dispatch now declares [config, seen shard, source
marker, ...target accounts], and a target's chained call receives the marker at
position 0, so wrapped_token::Mint and ping_receiver::Record each take one more
leading account. The inbox, wrapped_token and ping_receiver image ids move,
relocating their PDAs and requiring a fresh genesis.
Closes#676.
BREAKING CHANGE: the seen-shard PDA address and its data layout both change, so
every message delivered under the old layout becomes deliverable again at the new
address, and the old shards are orphaned. A fresh genesis is required.
BREAKING CHANGE: `CrossZonePeer.allowed_targets` is replaced by `allowed_routes`,
a list of `{src_program_id, target_program_id}` pairs. `InboxConfig.allowed_peers`
is removed.
Integrates origin/main (per-program-crate refactor) and re-homes the cross-zone messaging feature onto it.
BREAKING CHANGE: Genesis state root changes. This registers six builtin programs
(cross_zone_outbox, cross_zone_inbox, ping_sender, ping_receiver, bridge_lock,
wrapped_token) and seeds their genesis accounts (the wrapped_token authorized
minter config, the per-zone inbox config, and optional bridge-lock holdings).
Building the new cores alongside the existing builtins also enables serde/alloc
for the shared programs build, regenerating every builtin program image id. All
nodes must upgrade together.