* add multisig support to testing pkg
Adds single and multisig public key support to the testing package. Fix build associated with changes.
* update clientstate tests to use singlesig and multsig
* add singlesig and multisig tests for consensus state, header, and misbehaviour
* add singlesig and multisig for solomachine handlers
* add spec
* fix lgtm
* fixes from self review
* fix lint?
* fix build
* increase code cov
* Update x/ibc/light-clients/solomachine/types/client_state.go
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
* apply @fedekunze review suggestions
Add comment to VerifyMultisignature explaining why it uses the nested function. Switch panic to require. Add comment for secp256k1 key usage. Ref: https://github.com/cosmos/cosmos-sdk/pull/7383#pullrequestreview-496591518
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: Christopher Goes <cwgoes@pluranimity.org>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
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