New instantiates a new spam engine.

NewDefaultConfig creates an instance of the package specific configuration, given a pointer to a logger instance to be used for logging within the package.

NewSimpleSpamPolicy instantiates the simple spam policy.

NewVoteSpamPolicy instantiates vote spam policy.

ErrInsufficientTokensForVoting is returned when the party has insufficient tokens for voting.

ErrTooManyVotes is returned when the party has voted already the maximum allowed votes per proposal per epoch.

Config represent the configuration of the collateral engine.

Simple spam policy supports encforcing of max allowed commands and min required tokens + banning of parties when their reject rate in the block exceeds x%.