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@ckbfs/api

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SDK for CKBFS protocol on CKB

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/** * Utility functions for Adler32 checksum generation and verification */ /** * Calculates Adler32 checksum for the provided data * @param data The data to calculate checksum for * @returns Promise resolving to the calculated checksum as a number */ export declare function calculateChecksum(data: Uint8Array): Promise<number>; /** * Updates an existing checksum with new data using proper rolling Adler-32 calculation * @param previousChecksum The existing checksum to update * @param newData The new data to add to the checksum * @returns Promise resolving to the updated checksum as a number */ export declare function updateChecksum(previousChecksum: number, newData: Uint8Array): Promise<number>; /** * Verifies if a given checksum matches the expected checksum for the data * @param data The data to verify * @param expectedChecksum The expected checksum * @returns Promise resolving to a boolean indicating whether the checksum is valid */ export declare function verifyChecksum(data: Uint8Array, expectedChecksum: number): Promise<boolean>; /** * Verifies the checksum of a CKBFS witness * @param witness The witness bytes * @param expectedChecksum The expected checksum * @param backlinks Optional backlinks to use for checksum verification * @returns Promise resolving to a boolean indicating whether the checksum is valid */ export declare function verifyWitnessChecksum(witness: Uint8Array, expectedChecksum: number, backlinks?: { checksum: number; }[]): Promise<boolean>;