40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
'use strict';
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var imports = require('soop').imports();
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function Structure() {
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}
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/*
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* Based on https://github.com/maraoz/bips/blob/master/bip-NNNN.mediawiki
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* m / purpose' / cosigner_index / change / address_index
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*/
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var PURPOSE = 45;
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var MAX_NON_HARDENED = 0x8000000 - 1;
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var SHARED_INDEX = MAX_NON_HARDENED - 0;
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var ID_INDEX = MAX_NON_HARDENED - 1;
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var BIP45_PUBLIC_PREFIX = 'm/'+ PURPOSE+'\'';
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Structure.BIP45_PUBLIC_PREFIX = BIP45_PUBLIC_PREFIX;
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Structure.Branch = function(address_index, isChange, cosigner_index) {
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var ret = 'm/'+
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(typeof cosigner_index !== 'undefined'? cosigner_index: SHARED_INDEX)+'/'+
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(isChange?1:0)+'/'+
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address_index;
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return ret;
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};
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Structure.FullBranch = function(address_index, isChange, cosigner_index) {
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var sub = Structure.Branch(address_index, isChange, cosigner_index);
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sub = sub.substring(2);
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return BIP45_PUBLIC_PREFIX + '/' + sub;
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};
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Structure.IdFullBranch = Structure.FullBranch(0, 0, ID_INDEX);
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Structure.IdBranch = Structure.Branch(0, 0, ID_INDEX);
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module.exports = require('soop')(Structure);
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