File size: 1,887 Bytes
ff77dd1 9c174a4 69fe3e8 ff77dd1 69fe3e8 ff77dd1 69fe3e8 9c174a4 69fe3e8 9c174a4 69fe3e8 ff77dd1 69fe3e8 ff77dd1 9c174a4 ff77dd1 69fe3e8 ff77dd1 69fe3e8 ff77dd1 69fe3e8 ff77dd1 69fe3e8 ff77dd1 69fe3e8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | #include <iostream>
#include <string>
#include <vector>
#include <openssl/sha.h>
using namespace std;
/*
FLASKIO Math Engine (PoI Validator)
- Deterministic
- Session-bound
- Replay-safe
*/
string sha256(const string& input) {
unsigned char hash[SHA256_DIGEST_LENGTH];
SHA256((unsigned char*)input.c_str(), input.size(), hash);
char output[65];
for (int i = 0; i < SHA256_DIGEST_LENGTH; i++) {
sprintf(output + (i * 2), "%02x", hash[i]);
}
output[64] = 0;
return string(output);
}
// Simulates deterministic 800-question verification
bool verify_flaskio_block(
const string& wallet,
const string& session_nonce,
const string& user_solution
) {
if (user_solution.empty()) return false;
if (user_solution.length() < 128) return false;
// Deterministic seed (Ledger can recompute this)
string seed = sha256(wallet + session_nonce);
// Simulate 300 math + 500 logic checks
int score = 0;
for (int i = 0; i < 800; i++) {
string q = sha256(seed + to_string(i));
if (user_solution.find(q.substr(0, 4)) != string::npos) {
score++;
}
}
return score >= 800; // Must solve all
}
int main(int argc, char* argv[]) {
// Docker healthcheck
if (argc == 1) {
cout << "FLASKIO_ENGINE_READY" << endl;
return 0;
}
if (argc < 4) {
cerr << "Usage: ./flaskio_engine [wallet] [session_nonce] [solution]" << endl;
return 1;
}
string wallet = argv[1];
string session_nonce = argv[2];
string solution = argv[3];
if (!verify_flaskio_block(wallet, session_nonce, solution)) {
cout << "INVALID" << endl;
return 1;
}
// Proof hash (submitted to Ledger)
string proof = sha256(wallet + session_nonce + solution);
cout << "VALID" << endl;
cout << proof << endl;
return 0;
}
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