43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
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#ifndef SLEEP_PROOF_H
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#define SLEEP_PROOF_H
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#include <stddef.h>
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#include <stdint.h>
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#include "sleep_feed.h"
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#define SLEEP_PROOF_HASH_BYTES 32u
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#define SLEEP_PROOF_MAX_NODES 64u
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typedef struct sleep_proof_node {
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uint64_t index;
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uint64_t length;
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uint8_t hash[SLEEP_PROOF_HASH_BYTES];
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} sleep_proof_node_t;
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typedef struct sleep_proof {
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uint64_t block;
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uint64_t block_length;
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uint8_t block_hash[SLEEP_PROOF_HASH_BYTES];
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sleep_proof_node_t nodes[SLEEP_PROOF_MAX_NODES];
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size_t node_count;
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sleep_proof_node_t roots[SLEEP_PROOF_MAX_NODES];
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size_t root_count;
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uint8_t signature[64];
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int has_signature;
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} sleep_proof_t;
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void sleep_proof_init(sleep_proof_t *proof, uint64_t block);
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int sleep_proof_add_node(sleep_proof_t *proof, uint64_t index,
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uint64_t length, const uint8_t hash[32]);
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int sleep_proof_add_root(sleep_proof_t *proof, uint64_t index,
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uint64_t length, const uint8_t hash[32]);
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int sleep_proof_create(const sleep_feed_t *feed, uint64_t block,
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sleep_proof_t *proof);
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int sleep_proof_from_nodes(uint64_t block, const uint8_t *value,
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size_t value_len, const sleep_proof_node_t *nodes,
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size_t node_count, const uint8_t signature[64],
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uint64_t feed_length, sleep_proof_t *proof);
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int sleep_proof_encode(const sleep_proof_t *proof, uint8_t *out,
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size_t capacity, size_t *written);
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int sleep_proof_decode(sleep_proof_t *proof, const uint8_t *input,
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size_t input_len);
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int sleep_proof_verify(const sleep_proof_t *proof, const uint8_t *block,
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size_t block_len, const uint8_t public_key[32]);
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#endif
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