Added signTypedData to Sign class, and added test #1859
Merged
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What does this PR do?
It adds the
eth_signTypedData
method to the Sign class.Where should the reviewer start?
The Sign class.
Why is it needed?
eth_signTypedData
is a method that is used my many dapps. For example Uniswap uses it now after their switch to the Permit2 protocol for gas-less re-approving of tokens for trading.