Module traits 

Traits to implement functionality according to https://github.com/xmtp/XIPs/blob/main/XIPs/xip-49-decentralized-backend.md#33-client-to-node-protocol

Structs

NoCursorStore

This cursor store always returns 0

NoopResolver

A resolver that does not even attempt to try and get dependencies

Resolved

TypedNoopResolver

XmtpEnvelope

Envelopes from the XMTP Network received from a general XmtpQuery

Enums

CursorStoreError

EnvelopeError

ResolutionError

Traits

ApplyCursor

Extension trait to modify a TopicCursor with the contents of an envelope.

CursorStore

Trait defining how cursors should be stored, updated, and fetched NOTE:, implementations decide retry strategy. the exact implementation of persistence (or lack) is up to implementors. functions are assumed to be idempotent & atomic.

Envelope

Represents a Single High-Level Envelope An Envelope is a ProtocolEnvelope with some Extractor applied to it. Envelopes received from the network generally must adhere to the form of envelopes expected in d14n Node2Node Protocol. In the network, Node operators are responseible for maintaining a Cursor per envelope. Likewise, Clients form the ClientEnvelope according to the Client Node2Node Protocol Client envelopes maintain a payload/topic with MLS and Client-specific duties.

EnvelopeCollection

A Generic Higher-Level Collection of Envelopes

EnvelopeVisitor

Envelope Visitor type for handling of serialized nested envelope types.

Extractor

An Extractor indicates a specific direction to process an [ProtocolEnvelope]. Extractor implementations are available in crate::protocol::extractors

FullXmtpApiT

Trait combining all other api traits into one Used for describing the entire XmtpApi from the client perspective in a single dyn Trait or otherwise requiring the full capabilities of the API. Requiring the full capabilities outside of a dyn should generally be avoided unless the consumer wants to be unnecessarily general/restrictive.

MaybeExtractor

OrderedEnvelopeCollection

A ordered envelope collection an OrderedEnvelopeCollection differs from Sort since it adds the including of async, allowing an OrderedEnvelopeCollection to both Sort and ResolveDependencies

ProtocolEnvelope

An low-level envelope from the network gRPC interface

ResolveDependencies

Sort

Envelopes in a d14n-context must be sorted according to its dependencies, and by-originator. XIP, cross-originator sorting

TryEnvelopeCollectionExt

Extension trait for an envelope collection which handles errors.

TryExtractor

Represents an Extractor whose output is a Result Useful for deriving traits that should be aware of Result Ok and Error values.

XmtpQuery

matching the cursor criteria given.

Type Aliases

FullXmtpApiArc

A type-erased version of the Xntp Api in a Arc

FullXmtpApiBox

A type-erased version of the Xmtp Api in a Box