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44 lines
1.2 KiB
44 lines
1.2 KiB
/* eslint-disable no-param-reassign */
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/* eslint-disable prefer-destructuring */
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/* @flow */
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// copy paste from mytrezor (old wallet) https://github.com/satoshilabs/mytrezor/blob/87f8a8d9ca82a27b3941c5ec0f399079903f2bfd/app/components/address-input/address-input.js
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export type parsedURI = {
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address: string,
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amount: ?string,
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};
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// Parse a string read from a bitcoin QR code into an object
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const parseUri = (uri: string): ?parsedURI => {
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const str = stripPrefix(uri);
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const query: Array<string> = str.split('?');
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const values: Object = query.length > 1 ? parseQuery(query[1]) : {};
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values.address = query[0];
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return values;
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};
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const stripPrefix = (str: string): string => {
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if (!str.match(':')) {
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return str;
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}
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const parts = str.split(':');
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parts.shift();
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return parts.join('');
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};
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// Parse URL query string (like 'foo=bar&baz=1337) into an object
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const parseQuery = (str: string): {} =>
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str
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.split('&')
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.map(val => val.split('='))
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.reduce((vals, pair) => {
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if (pair.length > 1) {
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vals[pair[0]] = pair[1];
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}
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return vals;
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}, {});
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export { parseUri };
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