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i write a code with chatgpt help for swapping tokens in web3.py in eth/usdc pool sepolia testnet. why? I’m testing a Uniswap v3 swap on the Sepolia testnet using Python and web3.py. Although the ...
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After sending a transaction to a payable smart contract (deployed to a geth instance) I receive transaction status 0. I don't understand where I'm going wrong as I followed the documentation. Looking ...
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I am trying to swap some cake2 token to tbnb using swapExactTokensForTokens function in web3py as following: pancakeswap2_txn = pancake_router_contract.functions.swapExactTokensForTokens( web3....
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I am trying to use swapExactETHForTokens function using pancake router v2 and here is my code: #!/usr/bin/env python3 import time from web3 import Web3 bsc = "https://data-seed-prebsc-1-s1....
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Problem Description: I'm trying to authenticate with Four.meme using their wallet-based authentication system, but I keep receiving a "Signature for this request is not valid" error. I've ...
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I've create a python script to output the raffles from the Solana NFT raffle site https://rafffle.famousfoxes.com/ import asyncio import json from anchorpy import Provider, Program, Idl from solana....
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290 views

Recently I've been having some trouble with the X-Flashbots-Signature header when sending a request to the flashbots endpoint. My python code looks like this: import requests import json import ...
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Python: How to check a Solana transaction and sanitize the transaction ID I have written a script to fetch transaction details from the Solana blockchain using the solana-py library. It includes ...
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1 answer
85 views

I'm trying to write a service using python and web3.py to execute a "buy" transaction on a Base smart contract. I can't figure out why my buy transactions aren't working from my code but ...
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I’m working on an Ethereum project that connects to the Sepolia network using Infura's WebSocket endpoint (wss://sepolia.infura.io/ws/v3/<PROJECT_ID>). While the connection works fine in Postman,...
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281 views

I am trying to sign a raw message, like "Hello World", using the Python library bitcoinlib. The goal is to generate a base64-encoded signature for the message that can be verified. However, ...
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2k views

` from web3 import Web3 import os import time from dotenv import load_dotenv # Load environment variables load_dotenv() # Define RPC URLs for different networks RPC_URLS = { "ethereum":...
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ImportError: Cannot Import 'solcx' - Library Not Found I'm facing persistent issues importing the solcx library in my Python script, and I'm receiving an error indicating that the library is not found ...
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I need to call a function of an implementation contract. The problem is I'm not the creator of the contract and it's source code hasn't been verified on ethersan, hence I don't have the ABI. I ...
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I encountered an issue and need help. I want a simple Python script that accepts a transaction hash and prints detailed information for transactions on the BSC blockchain. This includes the ...

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