92 lines
1.8 KiB
JavaScript
92 lines
1.8 KiB
JavaScript
'use strict';
|
|
|
|
var util = require('util');
|
|
var EventEmitter = require('events').EventEmitter;
|
|
|
|
var Service = function(options) {
|
|
EventEmitter.call(this);
|
|
|
|
this.node = options.node;
|
|
this.name = options.name;
|
|
};
|
|
|
|
util.inherits(Service, EventEmitter);
|
|
|
|
/**
|
|
* Describes the dependencies that should be loaded before this service.
|
|
*/
|
|
Service.dependencies = [];
|
|
|
|
/**
|
|
* blockHandler
|
|
* @param {Block} block - the block being added or removed from the chain
|
|
* @param {Boolean} add - whether the block is being added or removed
|
|
* @param {Function} callback - call with the leveldb database operations to perform
|
|
*/
|
|
Service.prototype.blockHandler = function(block, add, callback) {
|
|
// implement in the child class
|
|
setImmediate(function() {
|
|
callback(null, []);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* the bus events available for subscription
|
|
* @return {Array} an array of event info
|
|
*/
|
|
Service.prototype.getPublishEvents = function() {
|
|
// Example:
|
|
// return [
|
|
// ['eventname', this, this.subscribeEvent, this.unsubscribeEvent],
|
|
// ];
|
|
return [];
|
|
};
|
|
|
|
/**
|
|
* the API methods to expose
|
|
* @return {Array} return array of methods
|
|
*/
|
|
Service.prototype.getAPIMethods = function() {
|
|
// Example:
|
|
// return [
|
|
// ['getData', this, this.getData, 1]
|
|
// ];
|
|
|
|
return [];
|
|
};
|
|
|
|
// Example:
|
|
// Service.prototype.getData = function(arg1, callback) {
|
|
//
|
|
// };
|
|
|
|
/**
|
|
* Function which is called when module is first initialized
|
|
*/
|
|
Service.prototype.start = function(done) {
|
|
setImmediate(done);
|
|
};
|
|
|
|
/**
|
|
* Function to be called when bitcore-node is stopped
|
|
*/
|
|
Service.prototype.stop = function(done) {
|
|
setImmediate(done);
|
|
};
|
|
|
|
/**
|
|
* Setup express routes
|
|
* @param {Express} app
|
|
*/
|
|
Service.prototype.setupRoutes = function(app) {
|
|
// Setup express routes here
|
|
};
|
|
|
|
Service.prototype.getRoutePrefix = function() {
|
|
return this.name;
|
|
};
|
|
|
|
|
|
|
|
module.exports = Service;
|