TPT Open Source

tpt-proto20

Rust

Schema-first contract system for distributed Rust apps — native compiler, binary wire format, codegen, reflection, RPC/streaming, and clean-room Protobuf/gRPC compatibility adapters.

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tpt-proto20

A next-generation, schema-first contract system for distributed applications.

tpt-proto20 combines a modern schema language, a pure-Rust compiler, a compact binary wire format, a Rust-first runtime, generated code, reflection, JSON/text representations, schema-evolution tooling, security-hardened decoding, observability, and an RPC/streaming system — plus compatibility adapters for the existing Protocol Buffers and gRPC ecosystems.

The goal is to let independently evolving programs communicate safely, efficiently, and predictably over time.

Documentation

See docs/ for in-depth guides — quickstart, schema language, wire format, RPC model, compatibility adapters, security limits, observability, code generation, CLI reference, and provenance policy — and spec.txt for the full-scope design document.

Status

Work is in active development. Multiple phases are complete; remaining phases are tracked in todo.md.

Workspace layout

  • compiler/tpt20-language/ — .tpt lexer, parser, and AST
  • compiler/tpt20-ir/ — neutral IR types
  • compiler/tpt20-descriptor/ — compiled schema descriptors
  • compiler/tpt20-compiler/ — semantic analysis, compatibility checks, IR/descriptor/codegen pipeline
  • compiler/tpt20-codegen-rust/ — Rust code generator
  • runtime/tpt20-core/ — native binary wire format, encode/decode, DecoderLimits
  • runtime/tpt20-reflect/ — descriptor-driven dynamic encode/decode and reflection
  • runtime/tpt20-json/ — JSON mapping for messages
  • runtime/tpt20-stdlib/ — well-known types (timestamp, duration, any, uuid, etc.)
  • runtime/tpt20-rpc/ — RPC model, streaming, status codes, metadata, security
  • runtime/tpt20-transport/ — HTTP/2, in-process, framing, metadata, endpoints
  • runtime/tpt20-observability/ — metrics, tracing, structured logging
  • compat/tpt20-compat-protobuf/ — .proto import and protobuf wire adapter
  • compat/tpt20-compat-grpc/ — gRPC-compatible transport and mapping
  • tools/tpt20-cli/ — developer CLI (tpt20 check, tpt20 gen rust, etc.)
  • tools/tpt20-conformance/ — native and compatibility conformance suites
  • tests/ — integration and conformance tests
  • fuzz/ — fuzz targets for decode paths, schema parsing, RPC framing, etc.
  • provenance/ — clean-room provenance and contribution policy

License

Dual-licensed under MIT or Apache-2.0.