bip32.h

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#ifndef __LIBBTC_BIP32_H__
#define __LIBBTC_BIP32_H__

#include "btc.h"
#include "chain.h"

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>

#define BTC_BIP32_CHAINCODE_SIZE 32

typedef struct
{
    uint32_t depth;
    uint32_t fingerprint;
    uint32_t child_num;
    uint8_t chain_code[BTC_BIP32_CHAINCODE_SIZE];
    uint8_t private_key[BTC_ECKEY_PKEY_LENGTH];
    uint8_t public_key[BTC_ECKEY_COMPRESSED_LENGTH];
} btc_hdnode;


#define btc_hdnode_private_ckd_prime(X, I) btc_hdnode_private_ckd((X), ((I) | 0x80000000))


LIBBTC_API btc_bool btc_hdnode_public_ckd(btc_hdnode* inout, uint32_t i);
LIBBTC_API btc_bool btc_hdnode_from_seed(const uint8_t* seed, int seed_len, btc_hdnode* out);
LIBBTC_API btc_bool btc_hdnode_private_ckd(btc_hdnode* inout, uint32_t i);
LIBBTC_API void btc_hdnode_fill_public_key(btc_hdnode* node);
LIBBTC_API void btc_hdnode_serialize_public(const btc_hdnode* node, const btc_chain* chain, char* str, int strsize);
LIBBTC_API void btc_hdnode_serialize_private(const btc_hdnode* node, const btc_chain* chain, char* str, int strsize);
LIBBTC_API btc_bool btc_hdnode_deserialize(const char* str, const btc_chain* chain, btc_hdnode* node);

LIBBTC_API btc_bool btc_hd_generate_key(btc_hdnode* node, const char* keypath, const uint8_t* privkeymaster, const uint8_t* chaincode);

#ifdef __cplusplus
}
#endif

#endif // __LIBBTC_BIP32_H__