(C) Bitfinex v2 REST Submit Order

Submit an order.

For more information, see https://docs.bitfinex.com/reference#rest-auth-submit-order

Chilkat C/C++ Library Downloads
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#include <C_CkHttp.h>
#include <C_CkCrypt2.h>
#include <C_CkDateTime.h>
#include <C_CkStringBuilder.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    HCkCrypt2 crypt;
    const char *apiPath;
    const char *apiKey;
    const char *apiSecret;
    HCkDateTime dt;
    HCkStringBuilder sbNonce;
    const char *nonce;
    HCkJsonObject json;
    const char *body;
    HCkStringBuilder sbSignature;
    const char *sig;
    HCkHttpResponse resp;

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

    http = CkHttp_Create();

    crypt = CkCrypt2_Create();

    apiPath = "v2/auth/w/order/submit";
    apiKey = "MY_API_KEY";
    apiSecret = "MY_API_SECRET";

    dt = CkDateTime_Create();
    CkDateTime_SetFromCurrentSystemTime(dt);

    sbNonce = CkStringBuilder_Create();
    CkStringBuilder_Append(sbNonce,CkDateTime_getAsUnixTimeStr(dt,FALSE));
    CkStringBuilder_Append(sbNonce,"000");
    nonce = CkStringBuilder_getAsString(sbNonce);

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"type","LIMIT");
    CkJsonObject_UpdateString(json,"symbol","tBTCUSD");
    CkJsonObject_UpdateString(json,"price","15");
    CkJsonObject_UpdateString(json,"amount","0.001");
    CkJsonObject_UpdateInt(json,"flags",0);
    body = CkJsonObject_emit(json);

    sbSignature = CkStringBuilder_Create();
    CkStringBuilder_Append(sbSignature,"/api/");
    CkStringBuilder_Append(sbSignature,apiPath);
    CkStringBuilder_Append(sbSignature,nonce);
    CkStringBuilder_Append(sbSignature,body);

    CkCrypt2_putEncodingMode(crypt,"hex_lower");
    CkCrypt2_putHashAlgorithm(crypt,"sha384");
    CkCrypt2_putMacAlgorithm(crypt,"hmac");
    CkCrypt2_SetMacKeyString(crypt,apiSecret);

    sig = CkCrypt2_macStringENC(crypt,CkStringBuilder_getAsString(sbSignature));

    CkHttp_SetRequestHeader(http,"bfx-apikey",apiKey);
    CkHttp_SetRequestHeader(http,"bfx-signature",sig);
    CkHttp_SetRequestHeader(http,"bfx-nonce",nonce);

    resp = CkHttp_PostJson2(http,"https://api.bitfinex.com/v2/auth/w/order/submit","application/json",body);
    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkCrypt2_Dispose(crypt);
        CkDateTime_Dispose(dt);
        CkStringBuilder_Dispose(sbNonce);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbSignature);
        return;
    }

    printf("Response body:\n");
    printf("%s\n",CkHttpResponse_bodyStr(resp));

    CkHttpResponse_Dispose(resp);


    CkHttp_Dispose(http);
    CkCrypt2_Dispose(crypt);
    CkDateTime_Dispose(dt);
    CkStringBuilder_Dispose(sbNonce);
    CkJsonObject_Dispose(json);
    CkStringBuilder_Dispose(sbSignature);

    }