(Unicode C++) Bitfinex v2 REST Public Trades

The trades endpoint allows the retrieval of past public trades and includes details such as price, size, and time. Optional parameters can be used to limit the number of results; you can specify a start and end timestamp, a limit, and a sorting method.

For more information, see https://docs.bitfinex.com/reference#rest-public-trades

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#include <CkHttpW.h>
#include <CkStringBuilderW.h>
#include <CkJsonArrayW.h>

void ChilkatSample(void)
    {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttpW http;
    bool success;

    // Implements the following CURL command:

    // curl https://api-pub.bitfinex.com/v2/trades/tBTCUSD/hist?limit=5

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    CkStringBuilderW sbResponseBody;
    success = http.QuickGetSb(L"https://api-pub.bitfinex.com/v2/trades/tBTCUSD/hist?limit=5",sbResponseBody);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkJsonArrayW jarrResp;
    jarrResp.LoadSb(sbResponseBody);
    jarrResp.put_EmitCompact(false);

    wprintf(L"Response Body:\n");
    wprintf(L"%s\n",jarrResp.emit());

    int respStatusCode = http.get_LastStatus();
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",http.lastHeader());
        wprintf(L"Failed.\n");
        return;
    }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // on trading pairs (ex. tBTCUSD)
    // [
    //   [
    //     ID,
    //     MTS,
    //     AMOUNT,
    //     PRICE
    //   ]
    // ]

    // [
    //   [
    //     472164271,
    //     1594077725121,
    //     -0.15101673,
    //     9370
    //   ],
    //   [
    //     472164270,
    //     1594077723860,
    //     -0.015,
    //     9370
    //   ],
    //   [
    //     472164269,
    //     1594077720208,
    //     -0.015,
    //     9370
    //   ],
    //   [
    //     472164267,
    //     1594077718125,
    //     -0.005,
    //     9370
    //   ],
    //   [
    //     472164251,
    //     1594077697587,
    //     -0.015,
    //     9370
    //   ]
    // ]

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    CkJsonArrayW *jarr_trade = 0;

    int i = 0;
    int count_i = jarrResp.get_Size();
    while (i < count_i) {
        jarr_trade = jarrResp.ArrayAt(i);

        const wchar_t *trade_id = jarr_trade->stringAt(0);
        const wchar_t *mts = jarr_trade->stringAt(1);
        const wchar_t *amount = jarr_trade->stringAt(2);
        const wchar_t *price = jarr_trade->stringAt(3);

        delete jarr_trade;
        i = i + 1;
    }
    }