/*!
* errors.js - error objects for bcoin
* Copyright (c) 2014-2015, Fedor Indutny (MIT License)
* Copyright (c) 2014-2017, Christopher Jeffrey (MIT License).
* https://github.com/bcoin-org/bcoin
*/
'use strict';
/**
* @module protocol/errors
*/
const assert = require('bsert');
/**
* Verify Error
* An error thrown during verification. Can be either
* a mempool transaction validation error or a blockchain
* block verification error. Ultimately used to send
* `reject` packets to peers.
* @extends Error
* @param {Block|TX} msg
* @param {String} code - Reject packet code.
* @param {String} reason - Reject packet reason.
* @param {Number} score - Ban score increase
* (can be -1 for no reject packet).
* @param {Boolean} malleated
*/
class VerifyError extends Error {
/**
* Create a verify error.
* @constructor
* @param {Block|TX} msg
* @param {String} code - Reject packet code.
* @param {String} reason - Reject packet reason.
* @param {Number} score - Ban score increase
* (can be -1 for no reject packet).
* @param {Boolean} malleated
*/
constructor(msg, code, reason, score, malleated) {
super();
assert(typeof code === 'string');
assert(typeof reason === 'string');
assert(score >= 0);
this.type = 'VerifyError';
this.message = '';
this.code = code;
this.reason = reason;
this.score = score;
this.hash = msg.hash();
this.malleated = malleated || false;
this.message = `Verification failure: ${reason}`
+ ` (code=${code} score=${score} hash=${msg.rhash()})`;
if (Error.captureStackTrace)
Error.captureStackTrace(this, VerifyError);
}
}
/*
* Expose
*/
exports.VerifyError = VerifyError;