DomainObjs
An utility contract that holds a number of domain objects and functions
MESSAGE_DATA_LENGTH
uint8 MESSAGE_DATA_LENGTH
the length of a MACI message
Message
struct Message {
  uint256 msgType;
  uint256[10] data;
}
PubKey
struct PubKey {
  uint256 x;
  uint256 y;
}
StateLeaf
struct StateLeaf {
  struct DomainObjs.PubKey pubKey;
  uint256 voiceCreditBalance;
  uint256 timestamp;
}