pip3 install ethereum
but i get error
Using legacy 'setup.py install' for pbkdf2, since package 'wheel' is not installed.
Installing collected packages: pyethash, py-ecc, pbkdf2, future, coincurve, ethereum
Running setup.py install for pyethash ... error
ERROR: Command errored out with exit status 1:
what is this?
Hello everyone. Can I get help for AWS Lambda and Web3?
When I try to run the main.zip file in the AWS lambda, I get an error about cytoolz module. The library is installed properly and working fine if I run the file through the shell. I tried installing the web3 module again, as well as the cytoolz module separately, but no luck.
{
"errorMessage": "Unable to import module 'lambda_function': No module named 'cytoolz.itertoolz'",
"errorType": "Runtime.ImportModuleError",
"stackTrace": []
}
However, when the file is hosted in the cloud9, which is an Amazon Web Services (AWS) service, runs perfectly.
Hello everyone, I need help with AWS Lambda and Web3.
When I try to run the main.zip file in the AWS lambda, I get an error about cytoolz module. The library is installed properly and working fine if I run the file through the shell. I tried installing the web3 module again, as well as the cytoolz module separately, but no luck.
{
"errorMessage": "Unable to import module 'lambda_function': No module named 'cytoolz.itertoolz'",
"errorType": "Runtime.ImportModuleError",
"stackTrace": []
}
However, when the file is hosted in the cloud9, which is an Amazon Web Services (AWS) service, runs perfectly.
hello, everyone :D sorry if this is not the right place to ask. We're having trouble with some tuple data-types using 5.26.0. Specifically I can't call functions with the type tuple[] because the ABI isn't recognised. I see the latest master branch has a commit related to tuples. Will that help my case? And if so, when is a new pypi release planned?
Thank you!
master do seem to be related to what you are experiencing
My question is how can I retrieve a list of transactions related to a token as well as the quantity of the tokens being transfered withing such transaction ? https://prnt.sc/26mj3h7 this is the view that I'm trying to get via etherscan API
Hello everyone!
I'm a Blockchain & Web Engineer with 9+ years of experience in various range of products.
Organized, methodical, and with a keen eye for detail results in solid coding and a trustworthy program.
Understanding client requirements and communicating the progress of projects are core values in achieving long-lasting business relationships.
I provide Blockchain, Cryptocurrency, Front-End, Back-End, and also user-friendly web solutions.
I am completely committed not only to providing basic services, but also doing everything possible to get your business growing explosively.
Don’t hesitate to contact me regardless of the project complexity you need.
My goal is that I want each of our customers to be completely satisfied.
List of my professional skill set:
@ Blockchain
- Ethereum(L1, L2-ImmutableX) / Terra / Solana / Binance / Polygon / Avalanche
- NFT Marketplace & Minting, Yield Farming, Staking, Swapping Platform Development
- Smart Chain token development on ERC20, ERC721, ERC1155, BEP20, BEP721 & BEP1155 protocols
- ICO / ITO / IDO / STO, Cryptocurrency exchange & Cryptocurrency wallet
- Developing RPC using client libraries such as Web3.js and Ethers.js
- Integration with crypto wallets such as Metamask & Phantom
@ BackEnd
* Python / Django / DRF / PHP / Laravel / Codeigniter / Node.js / Express
* MySQL / PostgreSQL / MongoDB / DynamoDB@ FrontEnd
- React.js & Next.js
- Vue.js & Nuxt.js
- Jest / Mocha / Enzyme / Cypress / Pytest / Eslint / Prettier
- Tailwind CSS / Material UI / Bootstrap / Semantic UI / Ant Design, etc
@ I have sufficient experience in:
- CircleCI / Github Actions / Bitbucket Pipelines for CI/CD
- GraphQL / REST APIs
- SEO (Search Engine Optimization)
- Amazon Web Services (EC2 / S3 / Lambda / Elastic Beanstalk / Elastic Search )
I am always focusing on product quality first and professional codebase implementing OOP at a high level.
I always would be happy to discuss any challenging projects.
Feel free to contact me anytime if you need any help regarding your complex projects.
Hello Community!
I'm a blockchain, .NET and Android app developer and have been programming for over 15 years.
My vision was to develop a program that is easy to use and still offers many functions.
The "Blockchainius" project arose from this thought.
Blockchainius is a program for automatically creating private keys and wallets in all available networks that support 0x addresses like Ethereum.
With Blockchainius, the automatically created wallets can be automatically checked for credit. This credit can also be automatically sent to your wallet if you wish.
8 networks are preconfigured in the default settings: ETH, BSC(BNB), Matic, AVAX, FTM, Telos, Arbitrum, Optimism
Additional networks can be easily added with ChainID, RPC URL, symbol, coin name.
The tool is available as a freeware version (15% developer fee automatically when a wallet is found) or as a paid version (lifetime license) without fees.
If desired, an automatic e-mail notification with the most important information can also be sent.
Blockchainius is available today with update 1.3.5.0.
Windows 7 - 11 and the current .NET Framework are required.
The software can also be operated in virtual machines (VMWare, VirtualBox and others).
I am available for further questions.
The software is available here: https://www.blockchainius.net
1 reply
1 reply
Hi. I work with my private PoA network and setup it with {"baseFeePerGas": null}.
I added construct_sign_and_send_raw_middleware to my python bot. And I got an error
.../web3/_utils/transactions.py", line 64, in <lambda>
web3.eth.max_priority_fee + (2 * web3.eth.get_block('latest')['baseFeePerGas'])
KeyError: 'baseFeePerGas'
What I can do with it? It tries to get baseFeePerGas but my node returns null
1 reply
<Felipe Selmo (fselmo)> This error is happening because no fee value is set for transactions and thus web3.py is trying to use some information to set a default value for you. Since the library is built around Ethereum, it will look for baseFeePerGas to attempt to estimate a good fee for the transaction. If you set your own fee values, you can likely get around this error. This is usually done as a gasPrice on other chains but can also be done via a combination of maxFeePerGas and maxPriorityFeePerGas values on Ethereum.
Hope that helps.
1 reply
1 reply
hello, I'm trying to port some code from js to python and having some issues. the js code generates uniswap swap commands using populateTransaction, then sends the tx data to a smart contract that actually executes. when I get transaction bytes generated by populateTransaction in JS, things work fine. in python, I dug down and used prepare_transaction to generate transaction data, but this causes the contract to error. any ideas what I might look at to debug this? or if there's a better way to replicate populateTransaction in web3py?
I should add, I'm not using build_transaction because that causes a revert (contract calls are valid from the executing smart contract, so they revert if I try to set them up locally)