web3py Questions
3
Solved
>>> from hexbytes import HexBytes
>>> ...
>>> hb
HexBytes('0x53b983fe73e16f6ed8178f6c0e0b91f23dc9dad4cb30d0831f178')
I have a HexBytes object hb.
I want to get 0x53b983f...
2
I am trying to use the AsyncHTTPProvider in a project, and here is my test code:
import asyncio
from web3 import Web3
import asyncio
async def main():
w3 = Web3(Web3.AsyncHTTPProvider("http:...
1
So I have successfully used the function decode_function_input(txn.input) to decode the input data for most transactions except for contract creation input data. Is there a simple and straightforwa...
Buxom asked 26/10, 2021 at 22:45
3
Solved
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...
Kino asked 13/4, 2022 at 6:46
3
Solved
I'm making my own desktop BSC wallet with web3. At the moment I'm using
private_key = "private key"
account = w3.eth.account.privateKeyToAccount(private_key)
But I want to create the acc...
Dost asked 19/6, 2021 at 20:51
2
Solved
I have created my own ERC-20 token (AJR) and deploy on Ethereum private node, Now I want to list all the transaction by Token name.
Also, I need to list down all the token holders by using contract...
Revelation asked 20/8, 2021 at 9:59
2
I'm trying to fetch the Buy or Sell Tax of a BSC token, but I haven't found a way yet.
I query the DEX via router_contract.functions.getAmountsOut(web3.toWei(1, 'Ether'), [ buying_token_address, pa...
3
ERROR: Command errored out with exit status 1:
command: 'C:\Program Files\Python39\python.exe' -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\KimXD\\AppDa...
1
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 ...
Kurtiskurtosis asked 10/4, 2022 at 8:12
4
Solved
I'm trying to install eth-brownie using 'pipx install eth-brownie' but I get an error saying
pip failed to build package: cytoolz
Some possibly relevant errors from pip install:
build\lib.win-amd6...
1
After running the command in Windows 10 - python -m pip install web3 the following error appears - "Failed to build bitarray cytoolz lru-dict".
I resolved the issue by installing Visual S...
5
Running Web3.py with Ganache-cli returns this error:
Method eth_maxPriorityFeePerGas not supported.
However this does work when working with a test-network like Ropsten directly without Ganache-c...
1
I deployed a private network via geth and posted a smart contract there. Accounts are set in the genesis block
I'm creating a python function in which I want to call a smart contract function
impo...
Logician asked 22/1, 2022 at 11:55
1
using web3 (python3) I am trying to decode InputData of the BSC transaction as seen on BscScan
In some solutions I've found code below is being used:
import web3
from web3.contract import Contract...
Violist asked 11/11, 2021 at 21:32
1
Solved
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...
Chromyl asked 5/12, 2021 at 12:12
1
const { OpenSeaPort, Network } = require("opensea-js");
const offer = await seaport.createBuyOrder({
asset: {
tokenId,
tokenAddress,
schemaName
},
accountAddress: WALLET_ADDRESS,
...
1
Solved
I was wondering if there's a way to check if a token is already approved for spending. I'm not asking how to approve the token for spending, I've figured that part out via reference: How to approve...
Dozer asked 23/8, 2021 at 21:52
2
Solved
I am building an application that would create a wallet for a user. One option is the web3.personal API in web3.py, which has a newAccount('passphrase') method. The method only returns the address ...
2
Solved
I have a contract deployed on Ethereum test network which has some functions in it and they all happen to work while using the Remix interface. When trying to call those functions using web3.py in ...
Canonical asked 20/8, 2019 at 19:53
1
Im trying to approve and later on swap my tokens on uniswap via web3py code. I am also using infura, not my own node. However, on both the swap and the approve I run into solidityErrors. The proble...
0
I've first tried sending a transaction with python:
from web3 import Web3
transaction = {
'chainId': 97, # 97: Testnet. 56: main.
'to': '0xmyaddress',
'value': 1,
'gas': 2000000,
'gasPrice': ...
Raillery asked 28/2, 2021 at 11:8
2
Solved
I'm having trouble getting the python function web3.geth.txpool.inspect() to work.
I've tried using a geth server from the command line, from the ethereum/client-go container, and from the truffle...
Prayer asked 30/10, 2019 at 19:20
1
Solved
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/
...
Sassan asked 14/6, 2020 at 19:23
1
I would like to see the real-time pending transactions in the Ethereum txpool via Web3.py. I do not run a local node but use Infura instead.
According to the documentation of Web3.py, apparently on...
1
import json
from web3 import Web3
infura_url = "https://mainnet.infura.io/v3/5b314a9b373442fc8ed0c9cd184e838f"
web3 = Web3(Web3.HTTPProvider(infura_url))
abi=json.loads('[{"constant&...
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