signer: move types to separate package#23275

Merged

fjl merged 2 commits intoethereum:masterfrom holiman:standalone

Jul 29, 2021

+94-80

Commits on Jul 27, 2021

accounts/external, internal/ethapi: make ext signer sign legacy + sign london if all fields set. Fixes ethereum#23273
holiman
committed

Commits on Jul 28, 2021

signer, accounts: more signer types to standalone package
holiman
committed