Crate xmtp_mls_validation 

Shared payload admission. Storage and transport remain with their callers.

Modules

commit

Pure commit validation rules.

group_membership

group_permissions

Structs

AssociationValidation

ParsedEnvelope

Parsed routing metadata and canonical storage bytes.

Enums

ValidationError

Constants

MAX_BLOCK_AGE_SECS

The oldest a new update’s ERC-6492 block may be, relative to the chain head.

Functions

check_freshness

Reject a new update whose ERC-6492 signature names a block after its chain’s head, or one more than MAX_BLOCK_AGE_SECS before it.

erc6492_signatures

Every ERC-6492 signature an identity update carries, in action order.

is_commit_or_proposal

Classify an MLS message for retention purposes.

parse_envelope

Decode one envelope, derive its topic, and compute canonical retry bytes.

parse_group_message

Parse an MLS group message and preserve accepted trailing bytes.

validate_envelope

Validate one parsed envelope after duplicate lookup.

validate_identity_updates

Validate a new identity suffix against one complete history snapshot.

verify_key_package

Apply the existing key-package admission checks to serialized bytes.