[{"constant":true,"inputs":[{"internalType":"address","name":"x","type":"address"}],"name":"toBytesAddress","outputs":[{"internalType":"bytes","name":"b","type":"bytes"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"x","type":"uint256"}],"name":"toBytesUint","outputs":[{"internalType":"bytes","name":"b","type":"bytes"}],"payable":false,"stateMutability":"pure","type":"function"}]