(Objective-C) Bitfinex v2 REST Tickers

The tickers endpoint provides a high level overview of the state of the market. It shows the current best bid and ask, the last traded price, as well as information on the daily volume and price movement over the last day. The endpoint can retrieve multiple tickers with a single query.

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

Chilkat Objective-C Library Downloads MAC OS X (Cocoa) Libs iOS Libs

#import <CkoHttp.h>
#import <CkoStringBuilder.h>
#import <CkoJsonArray.h>
#import <NSString.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

// Implements the following CURL command:

// curl https://api-pub.bitfinex.com/v2/tickers?symbols=tBTCUSD,tLTCUSD,fUSD

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

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [http QuickGetSb: @"https://api-pub.bitfinex.com/v2/tickers?symbols=tBTCUSD,tLTCUSD,fUSD" sbContent: sbResponseBody];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoJsonArray *jarrResp = [[CkoJsonArray alloc] init];
[jarrResp LoadSb: sbResponseBody];
jarrResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jarrResp Emit]);

int respStatusCode = [http.LastStatus intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",http.LastHeader);
    NSLog(@"%@",@"Failed.");
    return;
}

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

// [
//   [
//     "tBTCUSD",
//     9318.6,
//     21.53815472,
//     9318.7,
//     5.30463105,
//     223.5,
//     0.0246,
//     9318.7,
//     4125.21689058,
//     9370.998872,
//     9075.80199233
//   ],
//   [
//     "tLTCUSD",
//     44.008,
//     1807.8617840300003,
//     44.019,
//     2394.7625575100005,
//     2.359,
//     0.0566,
//     44.019,
//     27051.34115724,
//     44.16,
//     41.559
//   ],
//   [
//     "fUSD",
//     0.00022955068493150685,
//     0.000199,
//     30,
//     871597.2359141599,
//     0.0001962,
//     2,
//     67926.11558407999,
//     -0.00001146,
//     -0.0523,
//     0.00020757,
//     167542924.22214913,
//     0.00024,
//     0.00000299,
//     null,
//     null,
//     82649109.90968154
//   ]
// ]

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

CkoJsonArray *jarr_1 = 0;
int j;
int count_j;
NSString *strVal = 0;

int i = 0;
int count_i = [jarrResp.Size intValue];
while (i < count_i) {
    jarr_1 = [jarrResp ArrayAt: [NSNumber numberWithInt: i]];
    j = 0;
    count_j = [jarr_1.Size intValue];
    while (j < count_j) {
        strVal = [jarr_1 StringAt: [NSNumber numberWithInt: j]];
        j = j + 1;
    }

    i = i + 1;
}