Node

A node is an independent HTTP server that implements the EWP API. It is the atomic participant in epress world.

Required Capabilities

A conformant EWP node MUST implement all of the following:

• GET /ewp/profile — serve its canonical identity
• GET /ewp/publications — serve its signed publication index
• POST /ewp/publications — accept inbound publication notifications from followed publishers
• GET /ewp/contents/:contentHash — serve content by hash
• POST /ewp/connections — accept follow handshakes
• DELETE /ewp/connections — accept connection termination requests
• PATCH /ewp/nodes/:address — accept signed profile update payloads

Optional Capabilities

A conformant EWP node MAY implement:

• GET /ewp/avatar — serve the node's avatar image

Node Profile

The profile is the public identity record of a node:

Field	Type	Required	Description
address	string	REQUIRED	Ethereum address in EIP-55 checksum format
url	string	REQUIRED	Canonical HTTPS URL of this node
title	string	REQUIRED	Human-readable node name
description	string | null	OPTIONAL	Node description. MUST be null when not set.
ewpVersion	string	REQUIRED	Highest EWP major version this node implements (e.g., "1")
createdAt	string	REQUIRED	ISO 8601 UTC timestamp of node creation
updatedAt	string	REQUIRED	ISO 8601 UTC timestamp of last signed profile update