Voting without paying fees

AlexMarty · October 23, 2021, 3:21pm

Hey!

I'm Alex and currently exploring the governance smart contracts.

I would like to create an ERC20 token where holders are able to vote/sign multiple propositions made by the owners account.
Is there a way to do so where the voter can sign/vote without paying any fees?

I think this should be possible, but can't really find any concrete implementation.

Have an amazing day!

frangio · October 28, 2021, 6:50pm

Someone needs to pay the fees, but you can make the voter generate a signature for free and then have someone else submit it via the delegateBySig function.

The signature is supposed to be an EIP-712 signature of the following structure:

github.com

OpenZeppelin/openzeppelin-contracts/blob/8a775cd8d428595804bb1cc77a5e77f9c39f8c6d/test/token/ERC20/extensions/ERC20Votes.test.js#L138-L143

    
      
          const buildData = (chainId, verifyingContract, message) => ({ data: {
            primaryType: 'Delegation',
            types: { EIP712Domain, Delegation },
            domain: { name, version, chainId, verifyingContract },
            message,
          }});

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Voting without paying fees

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