mirror of https://github.com/BTCPrivate/copay.git
42 lines
1.2 KiB
JavaScript
42 lines
1.2 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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* 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 = 0x80000000 - 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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Structure.PURPOSE = PURPOSE;
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Structure.MAX_NON_HARDENED = MAX_NON_HARDENED;
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Structure.SHARED_INDEX = SHARED_INDEX;
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Structure.ID_INDEX = ID_INDEX;
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module.exports = require('soop')(Structure);
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