{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "additionalProperties": false,
    "required": [ "nodes" ],
    "properties": {
	"nodes": {
	    "type": "array",
	    "items": {
		"type": "object",
		"additionalProperties": true,
		"required": [ "nodeid" ],
		"properties": {
		    "nodeid": {
			"type": "pubkey",
			"description": "the public key of the node"
		    },
		    "last_update": {
			"type": "u32",
			"description": "A node_announcement has been received for this node (UNIX timestamp)"
		    }
		},
		"allOf": [
		    {
			"if": {
			    "required": [ "last_update" ]
			},
			"then": {
			    "additionalProperties": false,
			    "required": [ "last_update", "alias", "color", "features", "addresses" ],
			    "properties": {
				"last_update": { },
				"alias": {
				    "type": "string",
				    "description": "The fun alias this node advertized",
				    "maxLength": 32
				},
				"color": {
				    "type": "hex",
				    "description": "The favorite RGB color this node advertized",
				    "minLength": 6,
				    "maxLength": 6
				},
				"features": {
				    "type": "hex",
				    "description": "BOLT #9 features bitmap this node advertized"
				},
				"addresses": {
				    "type": "array",
				    "description": "The addresses this node advertized",
				    "items": {
					"type": "object",
					"required": [ "type", "address", "port" ],
					"additionalProperties": false,
					"properties": {
					    "type": {
						"type": "string",
						"enum": [ "ipv4", "ipv6", "torv2", "torv3" ],
						"description": "Type of connection"
					    },
					    "address": {
						"type": "string",
						"description": "address in expected format for *type*"
					    },
					    "port": {
						"type": "u16",
						"description": "port number"
					    }
					}
				    }
				}
			    }
			}
		    }
		]
	    }
	}
    }
}