Improved way of handling Ethereum transaction signatures in Frontier. It's also backward-compatible!
https://github.com/paritytech/frontier/pull/482
Signed Frontier-specific extrinsic by sorpaas · Pull Request #482 · paritytech/frontier
This is based on @xlc's work.
Use a Frontier-specific extrinsic struct, so that we don't have to treat Ethereum transactions as "unsigned". This is generalized to suit Frontier li...
Wei Tang