[{"type":"function","name":"configureRpcHostList","inputs":[{"name":"hosts","type":"string[]","internalType":"string[]"},{"name":"expectedRevision","type":"uint64","internalType":"uint64"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"preimage","inputs":[{"name":"hosts","type":"string[]","internalType":"string[]"},{"name":"revision","type":"uint64","internalType":"uint64"},{"name":"epoch","type":"uint64","internalType":"uint64"},{"name":"domain","type":"string","internalType":"string"}],"outputs":[{"name":"result","type":"bytes","internalType":"bytes"}],"stateMutability":"pure"},{"type":"function","name":"validate","inputs":[{"name":"hosts","type":"string[]","internalType":"string[]"},{"name":"maximumBytes","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"pure"},{"type":"event","name":"RpcHostListConfigured","inputs":[{"name":"digest","type":"bytes32","indexed":true,"internalType":"bytes32"},{"name":"revision","type":"uint64","indexed":false,"internalType":"uint64"},{"name":"epoch","type":"uint64","indexed":false,"internalType":"uint64"},{"name":"hostCount","type":"uint256","indexed":false,"internalType":"uint256"}],"anonymous":false},{"type":"error","name":"InvalidRpcHostList","inputs":[]},{"type":"error","name":"RpcHostListRevisionMismatch","inputs":[{"name":"supplied","type":"uint64","internalType":"uint64"},{"name":"current","type":"uint64","internalType":"uint64"}]}]