Add support of EIP-712 signatures

[frostiq]

EIP-712: Ethereum typed structured data hashing and signing

https://eips.ethereum.org/EIPS/eip-712

This standard is used in 0x, Gnosis Safe contracts and in other protocols on top of Ethereum. Thus the abovementioned functionality would be widely used by every app interacting with those protocols.

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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[skywinder]

Thanks, @frostiq!

Great idea! I would love to support the development of this feature!

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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Work has been started.

These users each claimed they can complete the work by 265 years, 4 months from now.
Please review their action plans below:

1) asaha001 has started work.

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[skywinder]

@Asaha001 is there any update on this feature? Feel free to contact if you need any help

[Iysbaera]

Support for the EIP-712 just recently been added in #381 , so I'm closing this issue.

Feel free to reopen, if you find any other issues.

[y9san9]

Hello! How can I manually perform this kind of transaction?