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ERC20 Template for Telos EVM Testnet Network

This template contains everything you need to deploy a basic Open Zeppelin ERC20 contract to the Telos EVM Testnet Network. Follow the steps below to deploy and interact with your own ERC20 token in minutes !

REQUIREMENTS

This template requires NodeJS & NPM installed on your machine and a wallet address on the Telos EVM Testnet Network.

Commands used below work on recent Linux or Windows versions but have not been verified for Mac

INSTALL

  • Click the "use this template" button in this repository and copy the URL you are redirected to once the generation is finished. Use this template
  • Change the following configuration values in the .env file of your newly created repository:
    • ACCOUNT: MY_TESTNET_EVM_ADDRESS
    • TOKEN_NAME: My Token
    • TOKEN_SYMBOL: MYTOK
    • TOKEN_INITIAL_SUPPLY: 10000
  • Install the repository on your machine with git clone [PREVIOUSLY COPIED URL] (GIT required) or download the code and install it manually
  • Enter the directory of the project on your machine and install its dependencies by running npm install

TEST (OPTIONAL)

  • Use npx hardhat test to build and launch the tests

DEPLOY

  • Build & deploy using npx hardhat --network testnet deploy
  • Save the contract address returned in the console, ie: 0xe7209d65c5BB05Ddf799b20fF0EC09E691FC3f11, you will need it for the next steps !
  • Interact with your contract using the hardhat console, our block explorer, wallets like metamask or by deploying our example wallet repo

VERIFY (OPTIONAL)

  • Verify your new token contract with npx hardhat --network testnet sourcify
  • You may run into a "gateway timeout" error message, do not worry, the contract will still be verified
  • Make sure your contract is verified by running the command again, you should get this message back:

already verified: MyContract (0x2A3b40A59109a84ab82a0Ff1A3910bb595082e09), skipping.

TROUBLESHOOT

Verify: 504 Gateway Timeout

"<html>\r\n<head><title>504 Gateway Time-out</title></head>\r\n<body bgcolor=\"white\">\r\n<center><h1>504 Gateway Time-out</h1></center>\r\n<hr><center>nginx/1.14.2</center>\r\n</body>\r\n</html>\r\n"

The sourcify server connection timed out but your contract is still getting verified, run the npx hardhat --network testnet sourcify command again to make sure, it should tell you it is already verified !

Brand new to development ? Need more help setting things up ? Got a cool idea you need help with ? Visit our developer channel on Telegram !

KEEP BUILDING !

  • Make it ownable and use your own private key to deploy
  • Add reflection
  • Make it upgradeable
  • Write more tests
  • Modify configuration and deploy to mainnet !
  • ...