support full 32bit chain_id for Trezor#229

Merged

yograterol merged 1 commit intoEthereumCommonwealth:mercuryfrom

OpenCommunityCoin:etc/trezor-full-32bit-chainid

Aug 15, 2018

Commits on Aug 15, 2018

trezor: for some larger chainId, Trezor returns only signature_v bit. simply recalc signature_v
hackmod
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