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Add structure

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Manuel Araoz 2014-05-29 17:19:14 -03:00
commit 6a0d5ce89a
1 changed files with 40 additions and 0 deletions
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js/models/core/Structure.js Normal file
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'use strict';
var imports = require('soop').imports();
function Structure() {
}
/*
* Based on https://github.com/maraoz/bips/blob/master/bip-NNNN.mediawiki
* m / purpose' / cosigner_index / change / address_index
*/
var PURPOSE = 45;
var MAX_NON_HARDENED = 0x8000000 - 1;
var SHARED_INDEX = MAX_NON_HARDENED - 0;
var ID_INDEX = MAX_NON_HARDENED - 1;
var BIP45_PUBLIC_PREFIX = 'm/'+ PURPOSE+'\'';
Structure.BIP45_PUBLIC_PREFIX = BIP45_PUBLIC_PREFIX;
Structure.Branch = function(address_index, isChange, cosigner_index) {
var ret = 'm/'+
(typeof cosigner_index !== 'undefined'? cosigner_index: SHARED_INDEX)+'/'+
(isChange?1:0)+'/'+
address_index;
return ret;
};
Structure.FullBranch = function(address_index, isChange, cosigner_index) {
var sub = Structure.Branch(address_index, isChange, cosigner_index);
sub = sub.substring(2);
return BIP45_PUBLIC_PREFIX + '/' + sub;
};
Structure.IdFullBranch = Structure.FullBranch(0, 0, ID_INDEX);
Structure.IdBranch = Structure.Branch(0, 0, ID_INDEX);
module.exports = require('soop')(Structure);