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pezkuwi-subxt/substrate/utils/frame/remote-externalities/Cargo.toml
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Niklas Adolfsson e16ef0861f rpc: backpressured RPC server (bump jsonrpsee 0.20) (#1313)
This is a rather big change in jsonrpsee, the major things in this bump
are:
- Server backpressure (the subscription impls are modified to deal with
that)
- Allow custom error types / return types (remove jsonrpsee::core::Error
and jsonrpee::core::CallError)
- Bug fixes (graceful shutdown in particular not used by substrate
anyway)
   - Less dependencies for the clients in particular
   - Return type requires Clone in method call responses
   - Moved to tokio channels
   - Async subscription API (not used in this PR)

Major changes in this PR:
- The subscriptions are now bounded and if subscription can't keep up
with the server it is dropped
- CLI: add parameter to configure the jsonrpc server bounded message
buffer (default is 64)
- Add our own subscription helper to deal with the unbounded streams in
substrate

The most important things in this PR to review is the added helpers
functions in `substrate/client/rpc/src/utils.rs` and the rest is pretty
much chore.

Regarding the "bounded buffer limit" it may cause the server to handle
the JSON-RPC calls
slower than before.

The message size limit is bounded by "--rpc-response-size" thus "by
default 10MB * 64 = 640MB"
but the subscription message size is not covered by this limit and could
be capped as well.

Hopefully the last release prior to 1.0, sorry in advance for a big PR

Previous attempt: https://github.com/paritytech/substrate/pull/13992

Resolves https://github.com/paritytech/polkadot-sdk/issues/748, resolves
https://github.com/paritytech/polkadot-sdk/issues/627
2024-01-23 08:55:13 +00:00

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1.1 KiB
TOML

[package]
name = "frame-remote-externalities"
version = "0.10.0-dev"
authors.workspace = true
edition.workspace = true
license = "Apache-2.0"
homepage = "https://substrate.io"
repository.workspace = true
description = "An externalities provided environment that can load itself from remote nodes or cached files"
[lints]
workspace = true
[package.metadata.docs.rs]
targets = ["x86_64-unknown-linux-gnu"]
[dependencies]
jsonrpsee = { version = "0.20.3", features = ["http-client"] }
codec = { package = "parity-scale-codec", version = "3.6.1" }
log = "0.4.17"
serde = "1.0.195"
sp-core = { path = "../../../primitives/core" }
sp-crypto-hashing = { path = "../../../primitives/crypto/hashing" }
sp-state-machine = { path = "../../../primitives/state-machine" }
sp-io = { path = "../../../primitives/io" }
sp-runtime = { path = "../../../primitives/runtime" }
tokio = { version = "1.22.0", features = ["macros", "rt-multi-thread"] }
substrate-rpc-client = { path = "../rpc/client" }
futures = "0.3"
indicatif = "0.17.3"
spinners = "4.1.0"
tokio-retry = "0.3.0"
[dev-dependencies]
sp-tracing = { path = "../../../primitives/tracing" }
[features]
remote-test = []