CorruptCommitSigsInHeader corrupts the header by changing the value of the commit signature for given validator address.

CorruptValidatorPubkeyInHeader corrupts the header by changing the validator pubkey of the given validator address in the validator set.

GenMultipleCryptoIds generates and returns multiple CryptoIdentities from a starting int seed.

MakeAndSignVoteWithForgedValAddress makes and signs a vote using two different keys: one to derive the validator address in the vote and a second to sign it.

utility function duplicated from CometBFT see https://github.com/cometbft/cometbft/blob/main/evidence/verify_test.go#L554.

CryptoIdentity is a test helper for generating keys and addresses of various interfaces and types used by the SDK and Tendermint from a single 'root' seed.