time-too-new – Time elapsed between two PoA blocks is too short

overlap-audit – PoA block auditing PoS blocks previously audited by its parent

blocks-already-audited – PoA block should contain only non-audited recent PoS blocks

incorrect-number-audited-blocks – A PoA block should audit at least 59 PoS blocks and no more than 120 PoS blocks (65 max after block 169869)

auditing-poa-block – A PoA block should not audit any existing PoA blocks

incorrect-reward – This PoA block reward does not match the value it should

incorrect-padding – This PoA block does not have the correct padding (10 blocks from current block height)