thruput-node-types 0.65.0

Thruput node types shared by the node RPC bindings: transaction batches, block proposals, consensus values and common RPC results
Documentation

protocol-rs

Rust bindings for the Thruput protocol: its data structures, contract syscall interface and node RPC interfaces, generated from the protocol's XDR definitions.

Crate Contents
thruput-xdr Protocol types (transactions, contracts, events, storage, auth) and the contract syscall bindings
thruput-xdr-macros Proc macros that generate the syscall bindings in thruput-xdr
thruput-syscall Raw syscall dispatch ABI for the Thruput guest
thruput-spec Contract spec types
thruput-trace Transaction traces, and the FFI enums shared with the executor (invocation, host-function and system error codes)
thruput-scp SCP RPC bindings
thruput-node-types Types shared by the node RPC crates: transaction batches, block proposals, consensus values and common RPC results
thruput-coordinator Coordinator RPC bindings
thruput-node-rpc Node-internal RPC bindings: scheduler, database, executor, event, mempool/auth and gateway services
thruput-indexer Indexer RPC bindings
thruput-db-gateway Database read-gateway RPC bindings
thruput-view Read-only view invocation RPC bindings

Every crate shares one version and is published on crates.io. The bindings encode with thruput-xdrs (imported as xdrs), and the RPC crates build on thruput-rpc-api; serve or call them with thruput-rpc-driver.

The minimum supported Rust version is 1.96. thruput-xdr is no_std; its features:

  • alloc, std: allocating types and std error impls (std implies alloc)
  • xdrs: XDR encoding and decoding; decoding variable-length types also needs alloc
  • serde: serde support, with fixed-size byte arrays as hex strings
  • schema: JSON schemas through schemars (implies std)
  • syscalls: contract syscall bindings, for riscv32im-unknown-none-elf guests
  • syscalls_mock: the same bindings on a host target, against a native mock (implies syscalls and std)

Generated code

The files scripts/generate.sh writes (most of each crate's src/) are emitted by the x23c XDR compiler from the definitions in protocol/, a submodule of thruputchain/thruput-protocol, and are not edited by hand. Each crate's lib.rs, its impls files and a few other modules, and the thruput-syscall, thruput-xdr-macros and thruput-api-pins crates, are hand-written.

CI check

bash scripts/ci-check.sh

This is what CI's build job runs. It needs no submodule or x23c.

Regenerating the sources

Install the Python dependency in the active environment, then regenerate:

git submodule update --init protocol
python3 -m pip install 'PyYAML==6.0.3'
bash scripts/generate.sh

Without XDRC set, generate.sh downloads the latest x23c release from thruputchain/hogd; set XDRC to use a local build instead. CI checks that the committed sources are up to date with bash scripts/generate.sh --check.

License

Copyright 2026 Stellar Development Foundation. Licensed under the Apache License, Version 2.0. Each published crate includes the workspace LICENSE. The thruput-scp crate also includes a NOTICE file with its upstream attribution.