10_protocol_detection.cpp

// Example 10: GET /version probe — distinguishes V1/V2 hosts.

#include <polymarket/clob/clob_client.hpp>
#include <cstdio>
#include <string>

using namespace polymarket;

static void probe(const char* label, std::string host) {
    printf("\n=== %s (%s) ===\n", label, host.c_str());
    ClobClient clob(std::move(host));
    auto v = clob.get_protocol_version();
    if (!v) {
        printf("  /version unreachable: %s\n", v.error().message().c_str());
        return;
    }
    printf("  Protocol version: %u\n", *v);
    printf("  is_v2():          %s\n", clob.is_v2() ? "true" : "false");

    auto v2 = clob.get_protocol_version();
    printf("  Cached on 2nd call: version=%u\n", *v2);
}

int main() {
    probe("V2 default", std::string(CLOB_V2_API_URL));
    probe("V1 legacy",  std::string(CLOB_API_URL));
    return 0;
}