f3555488c7
The single validation module is split in multiple (simpler) modules. In the process, we introduce one "validation worker" per peer. This worker handle all the `New_head` and `New_branch` advertised by a given peer. For so, it sends "fetching request" and "validation request" to respectively the `Distributed_db` and and the `Block_validator`. These two global workers are responsible of the 'fair' allocation of network and CPU ressources amongst the connected 'peers'.
759 lines
25 KiB
OCaml
759 lines
25 KiB
OCaml
(**************************************************************************)
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(* *)
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(* Copyright (c) 2014 - 2017. *)
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(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
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(* *)
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(* All rights reserved. No warranty, explicit or implicit, provided. *)
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(* *)
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(**************************************************************************)
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open Data_encoding
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module Error = struct
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let service =
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RPC.service
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~description: "Schema for all the RPC errors from the shell"
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~input: Data_encoding.empty
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~output: Data_encoding.json_schema
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RPC.Path.(root / "errors")
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let encoding =
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let meth, path, _ = RPC.forge_request service () () in
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describe
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~description:
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(Printf.sprintf
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"The full list of error is available with \
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the global RPC `%s /%s`"
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(RPC.string_of_method meth) (String.concat "/" path))
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(conv
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~schema:Json_schema.any
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(fun exn -> `A (List.map json_of_error exn))
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(function `A exns -> List.map error_of_json exns | _ -> [])
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json)
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let wrap param_encoding =
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union [
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case
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(obj1 (req "ok" param_encoding))
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(function Ok x -> Some x | _ -> None)
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(fun x -> Ok x) ;
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case
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(obj1 (req "error" encoding))
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(function Error x -> Some x | _ -> None)
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(fun x -> Error x) ;
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]
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end
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type operation = Distributed_db.operation =
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| Blob of Operation.t
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| Hash of Operation_hash.t
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let operation_encoding =
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let open Data_encoding in
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union [
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case Operation.encoding
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(function Blob op -> Some op | Hash _ -> None)
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(fun op -> Blob op) ;
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case Operation_hash.encoding
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(function Hash oph -> Some oph | Blob _ -> None)
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(fun oph -> Hash oph) ;
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]
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module Blocks = struct
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type block = [
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| `Genesis
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| `Head of int | `Prevalidation
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| `Test_head of int | `Test_prevalidation
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| `Hash of Block_hash.t
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]
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type block_info = {
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hash: Block_hash.t ;
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net_id: Net_id.t ;
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level: Int32.t ;
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proto_level: int ; (* uint8 *)
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predecessor: Block_hash.t ;
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timestamp: Time.t ;
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validation_passes: int ; (* uint8 *)
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operations_hash: Operation_list_list_hash.t ;
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fitness: MBytes.t list ;
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data: MBytes.t ;
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operations: Operation_hash.t list list option ;
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protocol: Protocol_hash.t ;
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test_network: Context.test_network;
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}
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let block_info_encoding =
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conv
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(fun { hash ; net_id ; level ; proto_level ; predecessor ;
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fitness ; timestamp ; protocol ;
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validation_passes ; operations_hash ; data ;
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operations ; test_network } ->
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((hash, operations, protocol, test_network),
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{ Block_header.shell =
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{ net_id ; level ; proto_level ; predecessor ;
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timestamp ; validation_passes ; operations_hash ; fitness } ;
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proto = data }))
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(fun ((hash, operations, protocol, test_network),
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{ Block_header.shell =
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{ net_id ; level ; proto_level ; predecessor ;
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timestamp ; validation_passes ; operations_hash ; fitness } ;
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proto = data }) ->
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{ hash ; net_id ; level ; proto_level ; predecessor ;
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fitness ; timestamp ; protocol ;
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validation_passes ; operations_hash ; data ;
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operations ; test_network })
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(dynamic_size
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(merge_objs
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(obj4
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(req "hash" Block_hash.encoding)
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(opt "operations" (list (list Operation_hash.encoding)))
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(req "protocol" Protocol_hash.encoding)
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(dft "test_network"
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Context.test_network_encoding Context.Not_running))
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Block_header.encoding))
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let parse_block s =
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try
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match Utils.split '~' s with
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| ["genesis"] -> Ok `Genesis
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| ["head"] -> Ok (`Head 0)
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| ["prevalidation"] -> Ok `Prevalidation
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| ["test_head"] -> Ok (`Test_head 0)
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| ["test_prevalidation"] -> Ok `Test_prevalidation
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| ["head"; n] -> Ok (`Head (int_of_string n))
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| ["test_head"; n] -> Ok (`Test_head (int_of_string n))
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| [h] -> Ok (`Hash (Block_hash.of_b58check_exn h))
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| _ -> raise Exit
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with _ -> Error "Cannot parse block identifier."
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let to_string = function
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| `Genesis -> "genesis"
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| `Head 0 -> "head"
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| `Head n -> Printf.sprintf "head~%d" n
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| `Prevalidation -> "prevalidation"
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| `Test_head 0 -> "test_head"
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| `Test_head n -> Printf.sprintf "test_head~%d" n
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| `Test_prevalidation -> "test_prevalidation"
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| `Hash h -> Block_hash.to_b58check h
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let blocks_arg =
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let name = "block_id" in
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let descr =
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"A block identifier. This is either a block hash in hexadecimal \
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notation or a one the predefined aliases: \
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'genesis', 'head', 'prevalidation', \
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'test_head' or 'test_prevalidation'. One might alse use 'head~N'
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to 'test_head~N', where N is an integer to denotes the Nth predecessors
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of 'head' or 'test_head'." in
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let construct = to_string in
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let destruct = parse_block in
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RPC.Arg.make ~name ~descr ~construct ~destruct ()
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let block_path : (unit, unit * block) RPC.Path.path =
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RPC.Path.(root / "blocks" /: blocks_arg )
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let info =
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RPC.service
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~description:"All the information about a block."
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~input: (obj1 (dft "operations" bool true))
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~output: block_info_encoding
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block_path
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let net_id =
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RPC.service
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~description:"Returns the net of the chain in which the block belongs."
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~input: empty
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~output: (obj1 (req "net_id" Net_id.encoding))
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RPC.Path.(block_path / "net_id")
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let level =
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RPC.service
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~description:"Returns the block's level."
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~input: empty
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~output: (obj1 (req "level" int32))
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RPC.Path.(block_path / "level")
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let predecessor =
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RPC.service
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~description:"Returns the previous block's id."
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~input: empty
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~output: (obj1 (req "predecessor" Block_hash.encoding))
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RPC.Path.(block_path / "predecessor")
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let predecessors =
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RPC.service
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~description:
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"...."
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~input: (obj1 (req "length" Data_encoding.uint16))
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~output: (obj1
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(req "blocks" (Data_encoding.list Block_hash.encoding)))
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RPC.Path.(block_path / "predecessors")
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let hash =
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RPC.service
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~description:"Returns the block's id."
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~input: empty
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~output: (obj1 (req "hash" Block_hash.encoding))
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RPC.Path.(block_path / "hash")
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let fitness =
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RPC.service
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~description:"Returns the block's fitness."
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~input: empty
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~output: (obj1 (req "fitness" Fitness.encoding))
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RPC.Path.(block_path / "fitness")
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let timestamp =
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RPC.service
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~description:"Returns the block's timestamp."
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~input: empty
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~output: (obj1 (req "timestamp" Time.encoding))
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RPC.Path.(block_path / "timestamp")
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type operations_param = {
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contents: bool ;
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monitor: bool ;
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}
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let operations_param_encoding =
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let open Data_encoding in
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conv
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(fun { contents ; monitor } -> (contents, monitor))
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(fun (contents, monitor) -> { contents ; monitor })
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(obj2
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(dft "contents" bool false)
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(dft "monitor" bool false))
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let operations =
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RPC.service
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~description:"List the block operations."
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~input: operations_param_encoding
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~output: (obj1
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(req "operations"
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(list (list
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(obj2
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(req "hash" Operation_hash.encoding)
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(opt "contents"
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(dynamic_size Operation.encoding)))))))
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RPC.Path.(block_path / "operations")
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let protocol =
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RPC.service
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~description:"List the block protocol."
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~input: empty
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~output: (obj1 (req "protocol" Protocol_hash.encoding))
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RPC.Path.(block_path / "protocol")
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let test_network =
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RPC.service
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~description:"Returns the status of the associated test network."
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~input: empty
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~output: Context.test_network_encoding
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RPC.Path.(block_path / "test_network")
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let pending_operations =
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(* TODO: branch_delayed/... *)
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RPC.service
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~description:
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"List the not-yet-prevalidated operations."
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~input: empty
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~output:
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(conv
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(fun ({ Prevalidation.applied; branch_delayed ; branch_refused },
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unprocessed) ->
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(applied,
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Operation_hash.Map.bindings branch_delayed,
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Operation_hash.Map.bindings branch_refused,
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Operation_hash.Set.elements unprocessed))
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(fun (applied, branch_delayed, branch_refused, unprocessed) ->
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({ Prevalidation.applied ; refused = Operation_hash.Map.empty ;
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branch_refused =
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List.fold_right
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(fun (k, o) -> Operation_hash.Map.add k o)
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branch_refused Operation_hash.Map.empty ;
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branch_delayed =
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List.fold_right
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(fun (k, o) -> Operation_hash.Map.add k o)
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branch_delayed Operation_hash.Map.empty ;
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},
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List.fold_right Operation_hash.Set.add
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unprocessed Operation_hash.Set.empty))
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(obj4
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(req "applied" (list Operation_hash.encoding))
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(req "branch_delayed"
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(list (tup2 Operation_hash.encoding Error.encoding)))
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(req "branch_refused"
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(list (tup2 Operation_hash.encoding Error.encoding)))
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(req "unprocessed" (list Operation_hash.encoding))))
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RPC.Path.(block_path / "pending_operations")
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let proto_path =
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RPC.Path.(block_path / "proto")
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type preapply_param = {
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timestamp: Time.t ;
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proto_header: MBytes.t ;
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operations: operation list ;
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sort_operations: bool ;
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}
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let preapply_param_encoding =
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(conv
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(fun { timestamp ; proto_header ; operations ; sort_operations } ->
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(timestamp, proto_header, operations, sort_operations))
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(fun (timestamp, proto_header, operations, sort_operations) ->
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{ timestamp ; proto_header ; operations ; sort_operations })
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(obj4
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(req "timestamp" Time.encoding)
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(req "proto_header" bytes)
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(req "operations" (list (dynamic_size operation_encoding)))
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(dft "sort_operations" bool false)))
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type preapply_result = {
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shell_header: Block_header.shell_header ;
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operations: error Prevalidation.preapply_result ;
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}
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let preapply_result_encoding =
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(conv
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(fun { shell_header ; operations } ->
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(shell_header, operations))
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(fun (shell_header, operations) ->
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{ shell_header ; operations })
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(obj2
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(req "shell_header" Block_header.shell_header_encoding)
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(req "operations"
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(Prevalidation.preapply_result_encoding Error.encoding))))
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let preapply =
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RPC.service
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~description:
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"Simulate the validation of a block that would contain \
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the given operations and return the resulting fitness."
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~input: preapply_param_encoding
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~output: (Error.wrap preapply_result_encoding)
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RPC.Path.(block_path / "preapply")
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let complete =
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let prefix_arg =
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let destruct s = Ok s
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and construct s = s in
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RPC.Arg.make ~name:"prefix" ~destruct ~construct () in
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RPC.service
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~description: "Try to complete a prefix of a Base58Check-encoded data. \
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This RPC is actually able to complete hashes of \
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block, operations, public_keys and contracts."
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~input: empty
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~output: (list string)
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RPC.Path.(block_path / "complete" /: prefix_arg )
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type list_param = {
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include_ops: bool ;
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length: int option ;
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heads: Block_hash.t list option ;
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monitor: bool option ;
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delay: int option ;
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min_date: Time.t option;
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min_heads: int option;
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}
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let list_param_encoding =
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conv
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(fun { include_ops ; length ; heads ; monitor ;
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delay ; min_date ; min_heads } ->
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(include_ops, length, heads, monitor, delay, min_date, min_heads))
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(fun (include_ops, length, heads, monitor,
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delay, min_date, min_heads) ->
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{ include_ops ; length ; heads ; monitor ;
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delay ; min_date ; min_heads })
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(obj7
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(dft "include_ops"
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(Data_encoding.describe
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~description:
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"Whether the resulting block informations should include the \
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list of operations' hashes. Default false."
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bool) false)
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(opt "length"
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(Data_encoding.describe
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~description:
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"The requested number of predecessors to returns (per \
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requested head)."
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int31))
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(opt "heads"
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(Data_encoding.describe
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~description:
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"An empty argument requests blocks from the current heads. \
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A non empty list allow to request specific fragment \
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of the chain."
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(list Block_hash.encoding)))
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(opt "monitor"
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(Data_encoding.describe
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~description:
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"When true, the socket is \"kept alive\" after the first \
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answer and new heads are streamed when discovered."
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bool))
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(opt "delay"
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(Data_encoding.describe
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~description:
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"By default only the blocks that were validated by the node \
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are considered. \
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When this optional argument is 0, only blocks with a \
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timestamp in the past are considered. Other values allows to \
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adjust the current time."
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int31))
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(opt "min_date"
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(Data_encoding.describe
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~description: "When `min_date` is provided, heads with a \
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timestamp before `min_date` are filtered ouf"
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Time.encoding))
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(opt "min_heads"
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(Data_encoding.describe
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~description:"When `min_date` is provided, returns at least \
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`min_heads` even when their timestamp is before \
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`min_date`."
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int31)))
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let list =
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RPC.service
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~description:
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"Lists known heads of the blockchain sorted with decreasing fitness. \
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Optional arguments allows to returns the list of predecessors for \
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known heads or the list of predecessors for a given list of blocks."
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~input: list_param_encoding
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~output: (obj1 (req "blocks" (list (list block_info_encoding))))
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RPC.Path.(root / "blocks")
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end
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|
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module Protocols = struct
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|
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let protocols_arg =
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let name = "protocol_id" in
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let descr =
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"A protocol identifier in hexadecimal." in
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let construct = Protocol_hash.to_b58check in
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let destruct h =
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try Ok (Protocol_hash.of_b58check_exn h)
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with _ -> Error "Can't parse hash" in
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RPC.Arg.make ~name ~descr ~construct ~destruct ()
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let contents =
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RPC.service
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~input: empty
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~output:
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(obj1 (req "data"
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(describe ~title: "Tezos protocol"
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(Protocol.encoding))))
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RPC.Path.(root / "protocols" /: protocols_arg)
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|
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type list_param = {
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contents: bool option ;
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monitor: bool option ;
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}
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|
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let list_param_encoding =
|
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conv
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(fun {contents; monitor} -> (contents, monitor))
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(fun (contents, monitor) -> {contents; monitor})
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(obj2
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(opt "contents" bool)
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(opt "monitor" bool))
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let list =
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RPC.service
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~input: list_param_encoding
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~output:
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(obj1
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(req "protocols"
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(list
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(obj2
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(req "hash" Protocol_hash.encoding)
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(opt "contents"
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(dynamic_size Protocol.encoding)))
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)))
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RPC.Path.(root / "protocols")
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end
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|
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module Network = struct
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|
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open P2p_types
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|
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let (peer_id_arg : P2p_types.Peer_id.t RPC.Arg.arg) =
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RPC.Arg.make
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~name:"peer_id"
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~descr:"A network global identifier, also known as an identity."
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~destruct:(fun s -> try
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Ok (Crypto_box.Public_key_hash.of_b58check_exn s)
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with Failure msg -> Error msg)
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~construct:Crypto_box.Public_key_hash.to_b58check
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()
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let point_arg =
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RPC.Arg.make
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~name:"point"
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~descr:"A network point (ipv4:port or [ipv6]:port)."
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~destruct:Point.of_string
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~construct:Point.to_string
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()
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|
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let versions =
|
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RPC.service
|
|
~description:"Supported network layer versions."
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~input: empty
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~output: (list P2p.Version.encoding)
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RPC.Path.(root / "network" / "versions")
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|
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let stat =
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RPC.service
|
|
~description:"Global network bandwidth statistics in B/s."
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~input: empty
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~output: P2p.Stat.encoding
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RPC.Path.(root / "network" / "stat")
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|
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let events =
|
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RPC.service
|
|
~description:"Stream of all network events"
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~input: empty
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~output: P2p.RPC.Event.encoding
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RPC.Path.(root / "network" / "log")
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|
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let connect =
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RPC.service
|
|
~description:"Connect to a peer"
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~input: (obj1 (dft "timeout" float 5.))
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~output: (Error.wrap @@ empty)
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RPC.Path.(root / "network" / "connect" /: point_arg)
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|
|
let monitor_encoding = obj1 (dft "monitor" bool false)
|
|
|
|
module Connection = struct
|
|
|
|
let list =
|
|
RPC.service
|
|
~description:"List the running P2P connection."
|
|
~input: empty
|
|
~output: (list P2p.Connection_info.encoding)
|
|
RPC.Path.(root / "network" / "connection")
|
|
|
|
let info =
|
|
RPC.service
|
|
~input: empty
|
|
~output: (option P2p.Connection_info.encoding)
|
|
~description:"Details about the current P2P connection to the given peer."
|
|
RPC.Path.(root / "network" / "connection" /: peer_id_arg)
|
|
|
|
let kick =
|
|
RPC.service
|
|
~input: (obj1 (req "wait" bool))
|
|
~output: empty
|
|
~description:"Forced close of the current P2P connection to the given peer."
|
|
RPC.Path.(root / "network" / "connection" /: peer_id_arg / "kick")
|
|
|
|
end
|
|
|
|
module Point = struct
|
|
|
|
let info =
|
|
RPC.service
|
|
~input: empty
|
|
~output: (option P2p.RPC.Point.info_encoding)
|
|
~description: "Details about a given `IP:addr`."
|
|
RPC.Path.(root / "network" / "point" /: point_arg)
|
|
|
|
let events =
|
|
RPC.service
|
|
~input: monitor_encoding
|
|
~output: (list P2p.RPC.Point.Event.encoding)
|
|
~description: "Monitor network events related to an `IP:addr`."
|
|
RPC.Path.(root / "network" / "point" /: point_arg / "log")
|
|
|
|
let list =
|
|
let filter =
|
|
obj1 (dft "filter" (list P2p.RPC.Point.state_encoding) []) in
|
|
RPC.service
|
|
~input: filter
|
|
~output: (list (tup2 P2p.Point.encoding P2p.RPC.Point.info_encoding))
|
|
~description:"List the pool of known `IP:port` \
|
|
used for establishing P2P connections ."
|
|
RPC.Path.(root / "network" / "point")
|
|
|
|
end
|
|
|
|
module Peer_id = struct
|
|
|
|
let info =
|
|
RPC.service
|
|
~input: empty
|
|
~output: (option P2p.RPC.Peer_id.info_encoding)
|
|
~description:"Details about a given peer."
|
|
RPC.Path.(root / "network" / "peer_id" /: peer_id_arg)
|
|
|
|
let events =
|
|
RPC.service
|
|
~input: monitor_encoding
|
|
~output: (list P2p.RPC.Peer_id.Event.encoding)
|
|
~description:"Monitor network events related to a given peer."
|
|
RPC.Path.(root / "network" / "peer_id" /: peer_id_arg / "log")
|
|
|
|
let list =
|
|
let filter =
|
|
obj1 (dft "filter" (list P2p.RPC.Peer_id.state_encoding) []) in
|
|
RPC.service
|
|
~input: filter
|
|
~output: (list (tup2 P2p.Peer_id.encoding P2p.RPC.Peer_id.info_encoding))
|
|
~description:"List the peers the node ever met."
|
|
RPC.Path.(root / "network" / "peer_id")
|
|
|
|
end
|
|
|
|
end
|
|
|
|
let forge_block_header =
|
|
RPC.service
|
|
~description: "Forge a block header"
|
|
~input: Block_header.encoding
|
|
~output: (obj1 (req "block" bytes))
|
|
RPC.Path.(root / "forge_block_header")
|
|
|
|
type inject_block_param = {
|
|
raw: MBytes.t ;
|
|
blocking: bool ;
|
|
force: bool ;
|
|
operations: operation list list ;
|
|
}
|
|
|
|
let inject_block_param =
|
|
conv
|
|
(fun { raw ; blocking ; force ; operations } ->
|
|
(raw, blocking, force, operations))
|
|
(fun (raw, blocking, force, operations) ->
|
|
{ raw ; blocking ; force ; operations })
|
|
(obj4
|
|
(req "data" bytes)
|
|
(dft "blocking"
|
|
(describe
|
|
~description:
|
|
"Should the RPC wait for the block to be \
|
|
validated before answering. (default: true)"
|
|
bool)
|
|
true)
|
|
(dft "force"
|
|
(describe
|
|
~description:
|
|
"Should we inject the block when its fitness is below \
|
|
the current head. (default: false)"
|
|
bool)
|
|
false)
|
|
(req "operations"
|
|
(describe
|
|
~description:"..."
|
|
(list (list (dynamic_size operation_encoding))))))
|
|
|
|
let inject_block =
|
|
RPC.service
|
|
~description:
|
|
"Inject a block in the node and broadcast it. The `operations` \
|
|
embedded in `blockHeader` might be pre-validated using a \
|
|
contextual RPCs from the latest block \
|
|
(e.g. '/blocks/head/context/preapply'). Returns the ID of the \
|
|
block. By default, the RPC will wait for the block to be \
|
|
validated before answering."
|
|
~input: inject_block_param
|
|
~output:
|
|
(Error.wrap @@
|
|
(obj1 (req "block_hash" Block_hash.encoding)))
|
|
RPC.Path.(root / "inject_block")
|
|
|
|
let inject_operation =
|
|
RPC.service
|
|
~description:
|
|
"Inject an operation in node and broadcast it. Returns the \
|
|
ID of the operation. The `signedOperationContents` should be \
|
|
constructed using a contextual RPCs from the latest block \
|
|
and signed by the client. By default, the RPC will wait for \
|
|
the operation to be (pre-)validated before answering. See \
|
|
RPCs ubder /blocks/prevalidation for more details on the \
|
|
prevalidation context."
|
|
~input:
|
|
(obj3
|
|
(req "signedOperationContents"
|
|
(describe ~title: "Tezos signed operation (hex encoded)"
|
|
bytes))
|
|
(dft "blocking"
|
|
(describe
|
|
~description:
|
|
"Should the RPC wait for the operation to be \
|
|
(pre-)validated before answering. (default: true)"
|
|
bool)
|
|
true)
|
|
(opt "force"
|
|
(describe
|
|
~description:
|
|
"Should we inject operation that are \"branch_refused\" \
|
|
or \"branch_delayed\". (default: false)"
|
|
bool)))
|
|
~output:
|
|
(Error.wrap @@
|
|
describe
|
|
~title: "Hash of the injected operation" @@
|
|
(obj1 (req "injectedOperation" Operation_hash.encoding)))
|
|
RPC.Path.(root / "inject_operation")
|
|
|
|
let inject_protocol =
|
|
RPC.service
|
|
~description:
|
|
"Inject a protocol in node. Returns the ID of the protocol."
|
|
~input:
|
|
(obj3
|
|
(req "protocol"
|
|
(describe ~title: "Tezos protocol" Protocol.encoding))
|
|
(dft "blocking"
|
|
(describe
|
|
~description:
|
|
"Should the RPC wait for the protocol to be \
|
|
validated before answering. (default: true)"
|
|
bool)
|
|
true)
|
|
(opt "force"
|
|
(describe
|
|
~description:
|
|
"Should we inject protocol that is invalid. (default: false)"
|
|
bool)))
|
|
~output:
|
|
(Error.wrap @@
|
|
describe
|
|
~title: "Hash of the injected protocol" @@
|
|
(obj1 (req "injectedProtocol" Protocol_hash.encoding)))
|
|
RPC.Path.(root / "inject_protocol")
|
|
|
|
let bootstrapped =
|
|
RPC.service
|
|
~description:""
|
|
~input: empty
|
|
~output: (obj2
|
|
(req "block" Block_hash.encoding)
|
|
(req "timestamp" Time.encoding))
|
|
RPC.Path.(root / "bootstrapped")
|
|
|
|
let complete =
|
|
let prefix_arg =
|
|
let destruct s = Ok s
|
|
and construct s = s in
|
|
RPC.Arg.make ~name:"prefix" ~destruct ~construct () in
|
|
RPC.service
|
|
~description: "Try to complete a prefix of a Base58Check-encoded data. \
|
|
This RPC is actually able to complete hashes of \
|
|
block and hashes of operations."
|
|
~input: empty
|
|
~output: (list string)
|
|
RPC.Path.(root / "complete" /: prefix_arg )
|
|
|
|
let describe =
|
|
RPC.Description.service
|
|
~description: "RPCs documentation and input/output schema"
|
|
RPC.Path.(root / "describe")
|