Category "cryptocurrency"

Sign error for bybit using c# when sending post request

I am trying to send a simple post request to the bybit api and I keep getting the 10004 sign error. Here is the response: {"ret_code":10004,"ret_msg":"error sig

What are the symbols used in Binance's dapi (coin futures api)?

I am trying to download historical price data of BTC/USD perpetual futures using binance's api for coin futures, specifically, I'd like to use this endpoint. Ho

SOL Transaction Fees Inquiry

Is it possible to code a solana program (smart contract) where the transaction fees that you should pay, i.e., for minting / stacking / swapping tokens within t

How to create coinmarketcap api to track total and circulating supply

I want to create an API endpoint that displays only Total Supply as a numerical value in CryptoID like this, http://chainz.cryptoid.info/grs/api.dws?q=totalcoin

What is this message on the KuCoin API? code: '200000', msg: 'The interface is offline'

I'm trying to perform a transfer operation from my main account to a trade account using the KuCoin API but I'm getting the result: { code: '200000', msg: 'The

"CANCEL read_loop, Task exception was never retrieved"{‘e’: ‘error’, ‘m’: ‘Queue overflow. Message not filled’}

I've finally got my code working which does the following: first it gets the historical data from currently 297 symbols (only the last 20 data intervals). After

0.5% per hour profit Trading bot?

If I had CryptoCurrency trading bot that can give me 0.5% profit in hour, and the exchange fees is 0.075%, and my capital balance is $1000, how can I calculate

How to request the data of only one cryptocurrency using CoinMarketCap api?

i know how to request data of many cryptocurrencies using CoinMarketCap api by setting start and limit params but, it is possible to request the data of only on

eth-brownie - No module named <Users.someuser>

Getting this error while trying to run a eth-brownie script on MacOS ModuleNotFoundError: No module named 'Users.xyz' Run command: brownie run scripts/mainne

How to create a Crypto wallet for a start up(Bitcoin and Ethereum)?

I have beginner skills as Full stack Developer and am looking to help developing a crypto wallet with a small start up. The idea is to create a wallet that will

How can I get current day OHLCV hourly dta from the Coin Market Cap API?

I recently started using the Coin Market Cap API. It has 2 main endpoints that I have been using OHLCV historical and OHLCV Latest. The historical API allows fo

GKE: Does each Node have her own external public IP?

I want to pull data from a crypto exchange API. For that I would run my code in GKE. The API is limited at 20 requests per second. But if I would run my program

i want implement ICO Contract for token contract

I have some simple ico contracts for airdrop and presale with lock token future to lock token until ico end and I want to know how to connect it to token contra

How to implement a transaction fee on every transaction which will get rewarded to holders of the token?

I have tried to make a ERC20 token that takes a transaction fee on every transaction (buy/sell/transfer) and this transaction fee gets distributed amongst the h

How to convert mnemonic to 32 byte seed?

I have a 24-word mnemonic, and I want to convert it to public and private keys. This is how I did it: const hex = HexCoder.instance; final seed = bip39.mne

Rest API asyncio gets stuck while running

Can anyone help me with Rest API asynchronous? I used Asyncio for 4 requests to FTX server. If I run the code, it prints 'balance','position','chart1','chart2'

How to migrate from request to axios

I am using [https://github.com/huobiapi/REST-Node.js-demo][1] for my connection to huobi cryptocoin exchange but i am having some errors like : (node:29550) Wa

Deploying a Smart Contract

If I were to deploy a smart contract for NFT's that I would want to sell which is the best way to do this. And is utilising Injected Web3 on Remix.ethereum.org

pandas_ta parabolic SAR giving wrong values for yfinance

I made a function that uses the psar function from the pandas_ta library. This function seems to work incorrectly, it gives the PSARl, PSARs and PSARr values on