Metamask: Hardhat-ChainID 31337 was not changed to 1337 from Metamask Localhost
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Hardhat Metamask Chain ID Issue
I recently encountered an issue while setting up my Metamask wallet in Hardhat, a popular Ethereum development environment. Specifically, I was trying to use chainID: 1337 instead of the intended 31337.
The Problem:
My hardhat.config.js file already included the following configuration:
module.exports = {
density: "0.8.17",
networks: {
localhost: {
host: 'localhost',
postage: 8545,
Chain ID: 1337
}
},
// ... other configurations ...
};
The Solution:
As it turns out, the issue was due to hardcoding the `chainIDvalue in the Hardhat configuration. Specifically, I had included "31337" instead of "1337".
To fix this issue, I simply changed my hardhat.config.js file back to its original contents:
module.exports = {
density: "0.8.17",
networks: {
localhost: {
host: 'localhost',
postage: 8545,
chainID: 1337
}
},
// ... other configurations ...
};
What went wrong?
In my attempt to use 31337as thechainID, I inadvertently used a hardcoded value instead of using the imported configuration from Metamask. This resulted in an error when Hardhat tried to resolve thechainIDvalue.
Prevention and Solutions:
To prevent similar issues in the future, it is important to:
- Carefully review your hardhat.config.js file and ensure that all configurations are accurate.
- Verify that you are using the intended chain ID value for Metamask.
- Use a configuration library or tool that can handle thechainID
value from Metamask.
By taking these precautions, you should be able to set up your Hardhat environment with the correctchainID` value and avoid similar issues in the future.
