kandi X-RAY | brownie-token-tester Summary
kandi X-RAY | brownie-token-tester Summary
Helper objects for generating ERC20s while testing a Brownie project.
Top functions reviewed by kandi - BETA
- Creates aave allowance
- Tries to mint tokens for the given target
- Get the top token holders for a given address
- Recursively update all skipped addresses
brownie-token-tester Key Features
brownie-token-tester Examples and Code Snippets
def ERC20( name: str = "Test Token", symbol: str = "TST", decimals: int = 18, success: Union[bool, None] = True, fail: Union[bool, str, None] = "revert", ) -> Contract: def _mint_for_testing(target: address, amount: uint256):
pipx inject eth-brownie brownie-token-tester
from brownie_tokens import ERC20, MintableForkToken
Trending Discussions on Blockchain
I am new to blockchain app development, I saw a project where ganache accounts are imported into Metamask, then web3.js is used to access and print those accounts and balances on Frontend (user interface).
If web3.js can directly access ganache blockchain accounts and balances, why do we need Metamask in between?...
ANSWERAnswered 2022-Feb-08 at 09:11
If web3.js can directly acccess ganache blockchain accounts and balances, why we need metamask in between?
In this case, you don't need MetaMask to sign the transaction, as the node (Ganache) holds your private key.
But in a public environment (testnets and mainnet), the node doesn't hold your private key, so you'd need to sign the transaction using MetaMask (or any other tool that holds the private key).
I tried https://docs.opensea.io/reference opensea.io docs to fetch data. However, I think there are 2 APIs....
ANSWERAnswered 2021-Aug-04 at 15:03
assets endpoint (docs) has the
asset_contract_address filter that allows you to filter by a contract address. Which will effectively allow you to paginate through all NFTs of the contract (that Opensea knows of).
I want to publish files on ipfs but it's showing me an error.
Here is my code......
ANSWERAnswered 2021-Nov-11 at 04:27
I am not familiar with ipfs but i checked the official docs and they have done the first line like this:
I have been trying to interact with a contract on the AVAX chain using web3js and it keeps throwing the error, "TypeError: Cannot read properties of undefined (reading 'send')". I cannot figure out why this is happening, as it should be a valid statement. If anyone can help that would be awesome....
ANSWERAnswered 2022-Mar-19 at 17:10
The ABI needs to contain just the function and event definitions that are stored in your
result property. Without the wrapper object containing
status and other properties.
So in your case
I've been using the testnet lately and I encounter issues: they reset it very often and the service is down for multiple hours and sometimes have bugs.
Should I use the devnet? From what I've understood it's more stable and they reset it less often?
ANSWERAnswered 2021-Aug-24 at 12:56
The testnet is pretty volatile and it is reset very often (maybe weekly), without any warnings. Elrond recommends developers to use the devnet, it is reset maybe once every 3-4 months, so it's more stable.
You can get the provider like this:
Hey guys I am trying to deploy my project on the rinkeby chain using infura, but I am getting a ValueError Here is my trackback:...
ANSWERAnswered 2021-Nov-28 at 10:14
it appears your env variables are not set correctly, and it looks like in this case it's your WEB3_INFURA_PROJECT_ID.
You can fix it by setting the variable in your .env file and adding dotenv: .env to your brownie-config.yaml.
dotenv: .env .env:
export WEB3_INFURA_PROJECT_ID=YOUR_PROJECT_ID_HERE Remember to save these files.
Additionally, you should be on at least brownie version v1.14.6. You can find out what version you're on with:
I am very new to blockchain programming and programming in general. I want to generate my SOL address using the mnemonic seed phrase with the derivation path "m/44'/501'/0'/0". I can't find a proper BIP44 module for python where you can specify the derivation path....
ANSWERAnswered 2022-Feb-23 at 00:41
After a long search through the internet, I have finally found a way of solving my problem that I want to share with you.
ANSWERAnswered 2021-Oct-18 at 02:20
I had the same issue but then I installed with npm and it worked
enter image description hereI've installed latest version of visual studio with desktop development c++ workload but still they are asking for it when i try to install truffle. I entered command :npm install -g truffle and lot of messages appear after 2 to 3 minutes of some kind of installation process. they are asking for Latest version of Visual Studio with "Desktop development with c++ workload" whereas i just installed my Visual studio with the same requirements. node.js and ganache are already installed. Is there any other way to install truffle?...
ANSWERAnswered 2022-Feb-17 at 16:59
If you are installing it using npm package manager. Downgrade your npm to 7.24.2 it worked for me I hope it will also work for you. Use the following command to downgrade npm
I'm trying to swap tokens on uniswap unsing hardhat's mainnet fork but I'm getting this error:
Error: Transaction reverted without a reason string. And I don't really know why.
Here is my swap function:...
ANSWERAnswered 2022-Feb-17 at 06:46
Weth is different from other token, you're not able to use
swapTokensForTokens. We must use the
swapEthForTokens function instead, and you have to declare the data option separately.
so in your case we need to do:
No vulnerabilities reported
You can use brownie-token-tester like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
Reuse Trending Solutions
Subscribe to our newsletter for trending solutions and developer bootcamps
Share this Page