Bittrex API V3 Postman Pre request script

Bittrex_API_V3_Postman_Pre-request_script.md

Assumes a BITTREX_API_KEY and BITTREX_API_SECRET is set on the collections variables.

// set up vars
let timestamp = new Date().getTime()
let url = request['url']
let method = request['method']
let contentHash = CryptoJS.SHA512(request['data']).toString(CryptoJS.enc.Hex);

var preSign = [timestamp, url, method, contentHash, ''].join('');
var signature = CryptoJS.HmacSHA512(preSign, pm.collectionVariables.get("BITTREX_API_SECRET")).toString(CryptoJS.enc.Hex);


// Api-Key
pm.request.headers.add({
    key: 'Api-Key',
    value: pm.collectionVariables.get("BITTREX_API_KEY")
});

// Api-Timestamp
pm.request.headers.add({
    key: 'Api-Timestamp',
    value: timestamp
});

// Api-Content-Hash
pm.request.headers.add({
    key: 'Api-Content-Hash',
    value: contentHash
});

// Api-Signature
pm.request.headers.add({
    key: 'Api-Signature',
    value: signature
});