GitHub - zcash/librustzcash: Rust-language assets for Zcash (original) (raw)

Zcash Rust crates

This repository contains a (work-in-progress) set of Rust crates for working with Zcash.

graph TB subgraph librustzcash direction TB subgraph main zcash_address zcash_primitives zcash_transparent zcash_proofs zcash_protocol pczt zcash_client_backend zcash_client_sqlite zcash_keys zip321 end

    subgraph standalone_components
    equihash
    f4jumble
    zcash_encoding
    end
end

subgraph shielded_protocols
sapling[sapling-crypto]
orchard[orchard]
end

subgraph protocol_components
zcash_note_encryption
zip32
zcash_spec
end

zcash_client_sqlite --> zcash_client_backend
zcash_client_backend --> zcash_primitives
zcash_client_backend --> zip321
zcash_client_backend --> zcash_keys
pczt --> zcash_primitives
zcash_proofs --> zcash_primitives
zcash_primitives --> zcash_protocol
zcash_primitives --> equihash
zcash_primitives --> zcash_encoding
zcash_primitives --> zcash_address
zcash_primitives --> zcash_transparent
zcash_primitives --> sapling
zcash_primitives --> orchard
zcash_keys --> zcash_address
zcash_keys --> zcash_encoding
zcash_keys --> zip32
zcash_keys --> zcash_transparent
zcash_keys --> orchard
zcash_keys --> sapling
zcash_transparent --> zcash_protocol
zcash_transparent --> zcash_address
zcash_transparent --> zip32
zip321 --> zcash_address
zip321 --> zcash_protocol
zcash_address --> zcash_protocol
zcash_address --> f4jumble
zcash_address --> zcash_encoding
sapling --> zcash_note_encryption
sapling --> zip32
sapling --> zcash_spec
orchard --> zcash_note_encryption
orchard --> zip32
orchard --> zcash_spec

main --> standalone_components

librustzcash --> shielded_protocols
shielded_protocols --> protocol_components

click zcash_address "https://docs.rs/zcash_address/" _blank
click zcash_primitives "https://docs.rs/zcash_primitives/" _blank
click zcash_transparent "https://docs.rs/zcash_transparent/" _blank
click zcash_proofs "https://docs.rs/zcash_proofs/" _blank
click zcash_protocol "https://docs.rs/zcash_protocol/" _blank
click zcash_keys "https://docs.rs/zcash_keys/" _blank
click zip321 "https://docs.rs/zip321/" _blank
click pczt "https://docs.rs/pczt/" _blank
click zcash_client_backend "https://docs.rs/zcash_client_backend/" _blank
click zcash_client_sqlite "https://docs.rs/zcash_client_sqlite/" _blank
click equihash "https://docs.rs/equihash/" _blank
click f4jumble "https://docs.rs/f4jumble/" _blank
click zcash_encoding "https://docs.rs/zcash_encoding/" _blank
click sapling "https://docs.rs/sapling-crypto/" _blank
click orchard "https://docs.rs/orchard/" _blank
click zcash_note_encryption "https://docs.rs/zcash_note_encryption/" _blank
click zip32 "https://docs.rs/zip32/" _blank
click zcash_spec "https://docs.rs/zcash_spec/" _blank

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Crates

librustzcash: a Rust Crates Walkthrough w/ nuttycom

Zcash Protocol

• zcash_protocol: Constants & common types
  • consensus parameters
  • bounded value types (Zatoshis, ZatBalance)
  • memo types
• zcash_transparent: Bitcoin-derived transparent transaction components
  • transparent addresses
  • transparent input, output, and bundle types
  • support for transparent parts of pczt construction
• zcash_primitives: Core utilities for working with Zcash transactions
  • the primary transaction data type
  • transaction builder(s)
  • proving, signing, & serialization
  • low-level fee types
• zcash_proofs: The Sprout circuit & proving system

Keys, Addresses & Wallet Support

• zcash_address: Parsing & serialization of Zcash addresses
  • unified address, fvk & ivk containers
  • no dependencies on protocol-specific types
  • serialization API definitions
• zip321: Parsing & serizalization for ZIP 321 payment requests
• zcash_keys: Spending Keys, Viewing Keys, & Addresses
  • protocol-specific & Unified address types
  • ZIP 32 key & address derivation implementations
  • Unified spending keys & viewing keys
  • Sapling spending & viewing key types
• pczt: Data types & interfaces for PCZT construction
  • partially constructed transaction types
  • transaction construction role interfaces & partial implementations
• zcash_client_backend: A wallet framework for Zcash
  • wallet data storage APIs
  • chain scanning
  • light client protocol support
  • fee calculation
  • transaction proposals & high-level transaction construction APIs
• zcash_client_sqlite: SQLite-based implementation of zcash_client_backend storage APIs

Utilities & Common Dependencies

• f4jumble: Encoding for Unified addresses
• zcash_encoding: Bitcoin-derived transaction encoding utilities for Zcash
• equihash: Proof-of-work protocol implementation

Security Warnings

These libraries are under development and have not been fully reviewed.

License

All code in this workspace is licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.