06_credentials.cpp

// Derive Polymarket API credentials from your private key.
//
// Only needs your private key — derives the API key, secret, and passphrase
// that you can then use in authenticated endpoints (order placement, etc.).
//
// Run:
//   export POLY_PRIVATE_KEY="0x..."
//   ./demo
//
// Output will be ready-to-paste export commands.

#include <polymarket/clob/clob_client.hpp>
#include <polymarket/crypto/signer.hpp>
#include <polymarket/auth/l2_auth.hpp>
#include <cstdio>
#include <cstdlib>

using namespace polymarket;

int main() {
    const char* pk = std::getenv("POLY_PRIVATE_KEY");
    if (!pk || *pk == '\0') {
        fprintf(stderr, "Set POLY_PRIVATE_KEY first:\n");
        fprintf(stderr, "  export POLY_PRIVATE_KEY=\"0x...\"\n");
        return 1;
    }

    Signer signer(pk);
    printf("EOA address: %s\n", signer.address_hex().c_str());

    ClobClient clob;

    // ── Try to derive existing credentials ───────────────────────────────────
    // If you already ran this once, derive returns the same deterministic key.
    printf("\nDeriving API credentials...\n");
    auto r = clob.derive_api_key(signer);

    if (!r) {
        // First time — no key exists yet, create one.
        printf("Not found, creating new credentials...\n");
        r = clob.create_api_key(signer);
    }

    if (!r) {
        fprintf(stderr, "Failed: %s\n", r.error().message().c_str());
        return 1;
    }

    Credentials creds = *r;

    // ── Print ready-to-use export commands ───────────────────────────────────
    printf("\n=== Copy-paste these into your shell ===\n\n");
    printf("export POLY_PRIVATE_KEY=\"%s\"\n", pk);
    printf("export POLY_API_KEY=\"%s\"\n",     creds.apiKey.c_str());
    printf("export POLY_SECRET=\"%s\"\n",      creds.secret.c_str());
    printf("export POLY_PASSPHRASE=\"%s\"\n",  creds.passphrase.c_str());
    printf("\n# (set POLY_PROXY_WALLET separately — find it on polymarket.com → Profile)\n");

    cleanse_credentials(creds);
    return 0;
}