75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
'use strict';
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var imports = require('soop').imports();
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var preconditions = require('preconditions').singleton();
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function AddressIndex(opts) {
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opts = opts || {};
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this.walletId = opts.walletId;
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this.cosigner = opts.cosigner || 0;
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this.changeIndex = opts.changeIndex || 0;
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this.receiveIndex = opts.receiveIndex || 0;
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}
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AddressIndex.fromObj = function(data) {
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if (data instanceof AddressIndex) {
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throw new Error('bad data format: Did you use .toObj()?');
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}
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var ret = new AddressIndex(data);
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return ret;
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};
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AddressIndex.prototype.toObj = function() {
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return {
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walletId: this.walletId,
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cosigner: this.cosigner,
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changeIndex: this.changeIndex,
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receiveIndex: this.receiveIndex
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};
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};
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AddressIndex.prototype.checkRange = function(index, isChange) {
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if ((isChange && index > this.changeIndex) ||
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(!isChange && index > this.receiveIndex)) {
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throw new Error('Out of bounds at index ' + index + ' isChange: ' + isChange);
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}
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};
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AddressIndex.prototype.getChangeIndex = function() {
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return this.changeIndex;
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};
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AddressIndex.prototype.getReceiveIndex = function() {
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return this.receiveIndex;
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};
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AddressIndex.prototype.increment = function(isChange) {
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if (isChange) {
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this.changeIndex++;
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} else {
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this.receiveIndex++;
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}
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};
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AddressIndex.prototype.merge = function(inAddressIndex) {
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preconditions.shouldBeObject(inAddressIndex)
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.checkArgument(this.walletId == inAddressIndex.walletId)
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.checkArgument(this.cosigner == inAddressIndex.cosigner);
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var hasChanged = false;
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// Indexes
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if (inAddressIndex.changeIndex > this.changeIndex) {
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this.changeIndex = inAddressIndex.changeIndex;
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hasChanged = true;
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}
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if (inAddressIndex.receiveIndex > this.receiveIndex) {
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this.receiveIndex = inAddressIndex.receiveIndex;
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hasChanged = true;
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}
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return hasChanged;
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};
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module.exports = require('soop')(AddressIndex);
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