mirror of
https://github.com/ChristopherA/Learning-Bitcoin-from-the-Command-Line.git
synced 2025-10-31 02:17:24 +00:00
178 lines
3.8 KiB
C
178 lines
3.8 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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#include "wally_bip32.h"
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#include "wally_address.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 + Mnemonic + Seed */
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unsigned char entropy[16];
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randombytes_buf(entropy, 16);
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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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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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/* 3. Generate root */
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struct ext_key *key_root;
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lw_response = bip32_key_from_seed_alloc(seed,sizeof(seed),BIP32_VER_TEST_PRIVATE,0,&key_root);
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if (lw_response) {
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printf("Error: bip32_key_from_seed failed: %d\n",lw_response);
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exit(-1);
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}
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/* 4. Generate master xprv + xpub */
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char *xprv;
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lw_response = bip32_key_to_base58(key_root, BIP32_FLAG_KEY_PRIVATE, &xprv);
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if (lw_response) {
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printf("Error: root bip32_key_to_base58 failed: %d\n",lw_response);
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exit(-1);
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}
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printf("Root xprv key: %s\r\n", xprv);
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char *xpub;
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lw_response = bip32_key_to_base58(key_root, BIP32_FLAG_KEY_PUBLIC, &xpub);
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if (lw_response) {
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printf("Error: root bip32_key_to_base58 failed: %d\n",lw_response);
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exit(-1);
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}
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printf("Root xpub key: %s\r\n", xpub);
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/* 5. Generate key for account */
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struct ext_key *key_account;
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uint32_t path_account[] = {BIP32_INITIAL_HARDENED_CHILD+84, BIP32_INITIAL_HARDENED_CHILD+1, BIP32_INITIAL_HARDENED_CHILD};
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lw_response = bip32_key_from_parent_path_alloc(key_root,path_account,sizeof(path_account),BIP32_FLAG_KEY_PRIVATE,&key_account);
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if (lw_response) {
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printf("Error: bip32_key_from_parent_path_alloc failed: %d\n",lw_response);
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exit(-1);
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}
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char *a_xprv;
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lw_response = bip32_key_to_base58(key_account, BIP32_FLAG_KEY_PRIVATE, &a_xprv);
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if (lw_response) {
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printf("Error: account bip32_key_to_base58 failed: %d\n",lw_response);
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exit(-1);
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}
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printf("Account xprv key: %s\r\n", a_xprv);
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char *a_xpub;
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lw_response = bip32_key_to_base58(key_account, BIP32_FLAG_KEY_PUBLIC, &a_xpub);
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if (lw_response) {
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printf("Error: account bip32_key_to_base58 failed: %d\n",lw_response);
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exit(-1);
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}
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printf("Account xpub key: %s\r\n", a_xpub);
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/* 6. Generate External Adress Key */
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struct ext_key *key_external;
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lw_response = bip32_key_from_parent_alloc(key_account,0,BIP32_FLAG_KEY_PRIVATE,&key_external);
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if (lw_response) {
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printf("Error: root bip32_key_from_parent_alloc Level #1 failed: %d\n",lw_response);
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exit(-1);
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}
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struct ext_key *key_address;
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lw_response = bip32_key_from_parent_alloc(key_external,0,BIP32_FLAG_KEY_PRIVATE,&key_address);
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if (lw_response) {
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printf("Error: root bip32_key_from_parent_alloc Level #2 failed: %d\n",lw_response);
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exit(-1);
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}
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/* 7. Generate Address */
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char *segwit;
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lw_response = wally_bip32_key_to_addr_segwit(key_address,"tb",0,&segwit);
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printf("[m/84'/1'/0'/0/0]: %s\n",segwit);
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/* Cleanup! */
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bip32_key_free(key_address);
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bip32_key_free(key_external);
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bip32_key_free(key_account);
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bip32_key_free(key_root);
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wally_free_string(xprv);
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wally_free_string(xpub);
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wally_free_string(a_xprv);
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wally_free_string(a_xpub);
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wally_free_string(mnem);
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wally_cleanup(0);
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}
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