I am looking for a method to estimate bandwidth/gas transfer for TRC20 tokens. Like we have in Ethereum myContract.methods.myMethod(123).estimateGas({from: 'ERC20 address'}) .then(function(gasAmou...

I am trying to create an NFT using web3.js and spl-token.js. However, i need to add meta data (like the name of the token or other attributes), otherwise it just shows up as "Unknown Token&quo...

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. However, I cannot find what 'symbol' I ...

I have a trading bot which operates in 'ADAUSDT' with dynamic quantities for buying and selling, being my whole USDT balance the initial quantity, and trading with that same balance + profits or lo...

When trying to place a buy or sell order with the python-binance API I got the following error: APIError(code=-1013): Filter failure: LOT_SIZE. Now I've seen at iceberg_parts that this means ther...

I'm exploring Hedera Hashgraph and aiming to retrieve all associated account IDs linked to a specific public key within the network. Could someone guide me on the best approach or the relevant API ...

The question is about kucoin websocket public channel (not trades) just last trades. I just want a live feed of trades like other crypto exchanges, but when I want to connect to "wss://ws-api-...

I use web3 and provider mainnet. I do 2 transactions by contract. first is approve method and another transaction is multitransfer. I store second signature in database. if first transaction is suc...

I'm currently building a ERC721 compliant contract and have published the contract here: https://ropsten.etherscan.io/address/0xa513bc0a0d3af384fefcd8bbc1cc0c9763307c39 - I'm now attempting to veri...

I'm working on BSCSCAN API. My goal is to get full balance for a given address as you can see on this page: https://bscscan.com/tokenholdings?a=0x1c82bdb6a93f50a564155ddbcb9cf1b1a244d169 I checked...

The aim is to calculate the uniswap v3 pool's total value locked (TVL). import json from web3 import Web3 from collections import namedtuple infura_url = 'https://mainnet.infura.io/v3/******' web3...

I am having an issue related to validating cryptocurrency wallet addresses, specifically USDT. USDT can be validated either as a BTC or ETH address, depending on the network type. Basically it goes...

I am trying to integrate rainbowkit and wagmi into an existing website that currently uses web3. It works when I comment out the styles import but it just looks really ugly. I have made sure npm is...

I want to create a TRON web wallet but I am a complete noob. My first question is how do I generate addresses offline and with a private master key or with a mnemonic seed. The second question is h...

I am working on a trading bot and I wanted to train it by getting a list of my order history from Binance for a specific period of time. I looked at the API documentation here, but it seems that I ...

I'm working on a Chrome extension built with React that deals with crypto wallets, and I need to preserve their wallet object, so they don't have to decrypt it after every time they close the exten...

I want to calculate the total value locked in a particular pool in Uniswap v3. I can't use the subgraph API for this. I can get current liquidity / in range liquidity using uniswapV3pool contract ...

I want to get info about commissions on Binance. Especially about trading commissions (exchange operations, for example I want to buy ETH and pay by BTC). I've looked over all binance git: https://...

I am trying to look up pending transactions in the BEP20 network using web3.py. As stated in in this stack overflow question, one option to do this is using the filter object. Here is a minimal exa...

When it comes to 24h Change on a specific Pair, How is this calculated? If it's price at current time compared to price 24 hours ago, then for example: the current price of BTC 9431 now (6/1...

thanks for taking the time to check out my issue. I'm struggling to place orders using python-binance, specifically a perpetual futures market order. I don't believe this is a duplicate on here but...

I am trying to fetch coingecko-api to access live price of bitcoin. I am trying to pass return props of getServerSideProps to my <CalculatorBuy /> component which is the part of <Main /&gt...

Using OpenEthereum, which is the json rpc call allowing to do it? I found the parity_pubsub module but I ve no idea of the parameter for getting not yet confirmed transactions. I also found https:/...

I was trying to create a python program to convert ETH to BTC. I was using the command : client.transfer_money("ETH Account ID ", to="BTC Account ID", amount="0.1", cu...

I want to use web3.py and infura.io to listen for Uniswap factory events however I am not too sure where to go about doing so. Here is a link: https://uniswap.org/docs/v2/smart-contracts/factory/ ...