deleteKey(bytes32 schainHash) externalinitPublicKeyInProgress(bytes32 schainHash) externaladding(bytes32 schainHash, struct G2Operations.G2Point value) externalfinalizePublicKey(bytes32 schainHash) externalgetCommonPublicKey(bytes32 schainHash) → struct G2Operations.G2Point externalgetPreviousPublicKey(bytes32 schainHash) → struct G2Operations.G2Point externalgetAllPreviousPublicKeys(bytes32 schainHash) → struct G2Operations.G2Point[] externalinitialize(address contractsAddress) public