| 1 | ;
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| 2 |
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| 3 | // Copyright 2017-2018 Jaco Greeff
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| 4 | // This software may be modified and distributed under the terms
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| 5 | // of the ISC license. See the LICENSE file for details.
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| 6 | var u8aConcat = require('@polkadot/util/u8a/concat');
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| 7 | var u8aFromString = require('@polkadot/util/u8a/fromString');
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| 8 | var u8aToHex = require('@polkadot/util/u8a/toHex');
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| 9 | var xxhash = require('@polkadot/util-crypto/xxhash/asU8a128');
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| 10 |
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| 11 | module.exports = function storageKey(prefix, key) {
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| 12 | return u8aToHex(xxhash(u8aConcat(u8aFromString(prefix), key)));
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| 13 | }; |
| \ | No newline at end of file |