mirror of
https://github.com/ChristopherA/Learning-Bitcoin-from-the-Command-Line.git
synced 2025-06-07 16:06:26 +00:00
82 lines
1.5 KiB
C
82 lines
1.5 KiB
C
#include <stdio.h>
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#include "sodium.h"
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#include "wally_core.h"
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#include "wally_bip39.h"
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int main(void) {
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int lw_response;
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/* 1. Initialize Libwally */
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lw_response = wally_init(0);
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if (lw_response) {
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printf("Error: Wally_init failed: %d\n",lw_response);
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exit(-1);
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}
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/* 2. Generate Entropy */
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unsigned char entropy[16];
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randombytes_buf(entropy, 16);
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/* 3. Translate into Mnemonic */
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char *mnem = NULL;
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lw_response = bip39_mnemonic_from_bytes(NULL,entropy,16,&mnem);
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if (lw_response) {
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printf("Error: bip39_mnemonic_from_bytes failed: %d\n",lw_response);
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exit(-1);
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}
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printf("Mnemonic: %s\n",mnem);
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/* 4. Validate a Mnemonic */
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lw_response = bip39_mnemonic_validate(NULL,mnem);
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if (lw_response) {
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printf("Error: Mnemonic did not validate: %d\n",lw_response);
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exit(-1);
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} else {
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printf("Mnemonic validated!\n");
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}
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/* 5. Translate into Seed */
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unsigned char seed[BIP39_SEED_LEN_512];
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size_t seed_len;
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lw_response = bip39_mnemonic_to_seed(mnem,NULL,seed,BIP39_SEED_LEN_512,&seed_len);
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if (lw_response) {
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printf("Error: bip39_mnemonic_to_seed failed: %d\n",lw_response);
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exit(-1);
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}
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/* 6. Print the Seed */
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char *seed_hex;
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wally_hex_from_bytes(seed,sizeof(seed),&seed_hex);
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printf("Seed: %s\n",seed_hex);
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/* Always cleanup: the docs clearly tell us what to free */
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wally_free_string(mnem);
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wally_free_string(seed_hex);
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wally_cleanup(0);
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}
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