bitcore/util/VersionedData.js

39 lines
1.1 KiB
JavaScript

var imports = require('soop').imports();
var base58 = imports.base58 || require('../lib/Base58').base58Check;
var parent = imports.parent || require('./EncodedData');
function VersionedData(version, payload) {
if(typeof version != 'number') {
VersionedData.super(this, arguments);
return;
};
this.data = new Buffer(payload.length + 1);
this.__proto__ = this.encodings['binary'];
this.version(version);
this.payload(payload);
};
VersionedData.parent = parent;
parent.applyEncodingsTo(VersionedData);
// get or set the version data (the first byte of the address)
VersionedData.prototype.version = function(num) {
if(num || (num === 0)) {
this.doAsBinary(function() {this.data.writeUInt8(num, 0);});
return num;
}
return this.as('binary').readUInt8(0);
};
// get or set the payload data (as a Buffer object)
VersionedData.prototype.payload = function(data) {
if(data) {
this.doAsBinary(function() {data.copy(this.data,1);});
return data;
}
return this.as('binary').slice(1);
};
module.exports = require('soop')(VersionedData);