main.c

#include "sia_keys.h"
#include "sia_signer.h"
#include "blake2b.h"
#include <stdio.h>
#include <string.h>
#include <stdint.h>

int main() {
    const char* mnemonic = "PASTE YOUR MNEMONIC HERE"
    
    uint8_t entropy[16], seed[32], private_key[32], public_key[32];
    char address[77];
    
    if (sia_mnemonic_to_entropy(entropy, mnemonic) != 0 ||
        sia_entropy_to_seed(seed, entropy) != 0 ||
        sia_seed_to_keys(public_key, private_key, seed, 0) != 0 ||
        sia_publicKey_to_address(address, public_key) != 0) {
        printf("Error: Failed to derive keys\n");
        return 1;
    }

    printf("Derived public key: ");
    for(int i= 0; i<32; i++) {
        printf("%02x", public_key[i]);
    }
    printf("\n");
    
    printf("Our address: %s\n\n", address);

    printf("Enter transaction blob hex: ");
    char blob_hex[8192];
    if (fgets(blob_hex, sizeof(blob_hex), stdin) == NULL) {
        printf("Error reading input\n");
        return 1;
    }
    
    size_t hex_len = strlen(blob_hex);
    if (hex_len > 0 && blob_hex[hex_len - 1] == '\n') {
        blob_hex[hex_len - 1] = '\0';
    }
    
    uint8_t blob[4096];
    int blob_len = hex_to_bytes(blob_hex, blob, sizeof(blob));
    if (blob_len < 0) {
        printf("Error: Invalid hex input\n");
        return 1;
    }
    
    printf("Blob length: %d bytes\n\n", blob_len);
    
    ParsedTxn txn;
    if (parse_transaction_blob(blob, blob_len, &txn) != 0) {
        printf("Error: Failed to parse transaction blob\n");
        return 1;
    }
    
    printf("\nTXN SUMMARY\n");
    printf("Spending %llu input(s)\n", txn.input_count);
    printf("Creating %llu output(s)\n", txn.output_count);
    printf("Total fee: %.6f SC\n", convert_lohi_to_sc(txn.fee_lo, txn.fee_hi));
    
    // printf("\nAPPROVE THIS TXN? (y/n): ");
    // char approval[10];
    // if (fgets(approval, sizeof(approval), stdin) == NULL || approval[0] != 'y') {
    //     printf("Transaction rejected by user\n");
    //     return 1;
    // }
    
    uint8_t hash[32];
    if (compute_semantic_hash(&txn, hash) != 0) {
        printf("Error: Failed to compute semantic hash\n");
        return 1;
    }
    
    printf("Computed hash: ");
    for (int i = 0; i < 32; i++) printf("%02x", hash[i]);
    printf("\n");
    
    char signature_hex[129];
    if (sia_sign_hash(hash, private_key, signature_hex) != 0) {
        printf("Error: Failed to sign hash\n");
        return 1;
    }
    
    printf("\n=== SIGNATURE ===\n");
    printf("%s\n", signature_hex);
    
    return 0;
}