c-ipfs/include/ipfs/datastore/ds_helper.h

41 lines
1.5 KiB
C

#pragma once
/**
* Some code to help with the datastore / blockstore interface
*/
#include <string.h>
#include "ipfs/blocks/block.h"
#include "libp2p/db/datastore.h"
/**
* Generate a key based on the passed in binary_array
* @param binary_array what to base the key on
* @param array_length the size of the binary array
* @param results where the key will be put
* @param max_results_length the size of the results buffer
* @param results_length the length of the generated key
* @returns true(1) on success
*/
int ipfs_datastore_helper_ds_key_from_binary(const unsigned char* binary_array, size_t array_length,
unsigned char* results, size_t max_results_length, size_t* results_length);
/**
* Generate a binary array based on the passed in datastore key
* @param ds_key the base32 encoded key
* @param key_length the length of the base32 "string"
* @param binary_array where to put the decoded value
* @param max_binary_array_length the memory size of binary_array
* @param completed_binary_array_length the length of what was written to the binary_array
* @returns true(1) on success
*/
int ipfs_datastore_helper_binary_from_ds_key(const unsigned char* ds_key, size_t key_length, unsigned char* binary_array,
size_t max_binary_array_length, size_t* completed_binary_array_length);
/***
* Add a record in the datastore based on a block
* @param block the block
* @param datastore the Datastore
* @reutrns true(1) on success, false(0) otherwise
*/
int ipfs_datastore_helper_add_block_to_datastore(struct Block* block, struct Datastore* datastore);