//
// Created by haraldwolff on 08.08.22.
//

#ifndef SPARSE_TOOLS_MERKLE_H
#define SPARSE_TOOLS_MERKLE_H

#include <stdint.h>

typedef enum {
	MF_ALLOC,
} merkle_flags_t;

typedef struct {
	int	n;			// level-to-level ratio
	int depth;		// number of levels
	int length;		// number of elements over the whole tree
	int width;		// number of elements at base level
} merkle_parameters_t;

typedef struct {
	merkle_flags_t flags;
	merkle_parameters_t parameters;

	int *indeces;
	uint64_t *hashes;
} merkle_t;

int merkle_create(merkle_t **merkle, int n, int minwidth);
int merkle_init(merkle_t *merkle, int n, int minwidth);
int merkle_free(merkle_t *merkle);

int merkle_get(merkle_t *merkle, int l, int n, uint64_t *hash);
int merkle_set(merkle_t *merkle, int l, int n, uint64_t hash);

int merkle_get_row(merkle_t *merkle, int level, uint64_t **offset, int *size);


#endif //SPARSE_TOOLS_MERKLE_H