Adds missing case for handling negative signed ints in EIP712 messages

GridPlus / gridplus-sdk

SDK for communicating with the GridPlus Lattice1 hardware wallet

MIT License

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Adds missing case for handling negative signed ints in EIP712 messages #533

Closed alex-miller-0 closed 1 year ago

alex-miller-0 commented 1 year ago

These types were not being handled properly before, leading to the sign getting dropped. Note that this change appears to form messages which are rejected by firmware, so we will need to fix that separately.