@metamask/snaps-utils
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A collection of utilities for MetaMask Snaps
22 lines • 910 B
text/typescript
import type { VirtualFile } from "./virtual-file/index.cjs";
/**
* Calculates checksum for a single byte array.
*
* @param bytes - The byte array to calculate the checksum for.
* @returns A single sha-256 checksum.
*/
export declare function checksum(bytes: VirtualFile | Uint8Array | string): Promise<Uint8Array>;
/**
* Calculates checksum over multiple files in a reproducible way.
*
* 1. Sort all the files by their paths.
* 2. Calculate sha-256 checksum of each file separately.
* 3. Concatenate all the checksums into one buffer and sha-256 that buffer.
*
* The sorting of paths is done using {@link https://tc39.es/ecma262/#sec-islessthan UTF-16 Code Units}.
*
* @param files - The files over which to calculate the checksum.
* @returns A single sha-256 checksum.
*/
export declare function checksumFiles(files: VirtualFile[]): Promise<Uint8Array>;
//# sourceMappingURL=checksum.d.cts.map