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+dependencies = [ + "bincode", + "camino", + "fs-err", + "once_cell", + "proc-macro2", + "quote", + "serde", + "syn", + "toml", + "uniffi_build", + "uniffi_meta", +] + +[[package]] +name = "uniffi_meta" +version = "0.25.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "71dc8573a7b1ac4b71643d6da34888273ebfc03440c525121f1b3634ad3417a2" +dependencies = [ + "anyhow", + "bytes", + "siphasher", + "uniffi_checksum_derive", +] + +[[package]] +name = "uniffi_testing" +version = "0.25.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "118448debffcb676ddbe8c5305fb933ab7e0123753e659a71dc4a693f8d9f23c" +dependencies = [ + "anyhow", + "camino", + "cargo_metadata", + "fs-err", + "once_cell", +] + +[[package]] +name = "uniffi_udl" +version = "0.25.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "889edb7109c6078abe0e53e9b4070cf74a6b3468d141bdf5ef1bd4d1dc24a1c3" +dependencies = [ + "anyhow", + "uniffi_meta", + "uniffi_testing", + "weedle2", +] + +[[package]] +name = "utf8parse" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a" + [[package]] name = "vdf" version = "0.1.0" @@ -542,8 +1026,15 @@ dependencies = [ "hex", "num-traits", "sha2", + "uniffi", ] +[[package]] +name = "version_check" +version = "0.9.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f" + [[package]] name = "walkdir" version = "2.5.0" @@ -618,6 +1109,15 @@ dependencies = [ "wasm-bindgen", ] +[[package]] +name = "weedle2" +version = "4.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2e79c5206e1f43a2306fd64bdb95025ee4228960f2e6c5a8b173f3caaf807741" +dependencies = [ + "nom", +] + [[package]] name = "winapi-util" version = "0.1.8" diff --git a/Cargo.toml b/Cargo.toml index 88a1543..229c039 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -18,7 +18,8 @@ members = [ ] [profile.release] -rpath = true +# rpath = false is important to make Go bindings work +rpath = false lto = true debug = false # panic = 'abort' diff --git a/crates/vdf/Cargo.toml b/crates/vdf/Cargo.toml index 81eca55..c2fdb7e 100644 --- a/crates/vdf/Cargo.toml +++ b/crates/vdf/Cargo.toml @@ -22,11 +22,19 @@ license = "Apache-2.0" edition = "2018" description = "An implementation of Verifiable Delay Functions (VDFs) in Rust" +[lib] +crate-type = ["lib", "cdylib"] +name = "vdf" + [dependencies] classgroup = { path = "../classgroup", version = "^0.1.0" } num-traits = "0.2" sha2 = "0.8" bit-vec = "0.5" +uniffi = { version= "0.25", features = ["cli"]} + +[build-dependencies] +uniffi = { version = "0.25", features = [ "build" ] } [dev-dependencies] criterion = ">=0.2" diff --git a/crates/vdf/build.rs b/crates/vdf/build.rs index 0fc1d3e..ad96740 100644 --- a/crates/vdf/build.rs +++ b/crates/vdf/build.rs @@ -110,6 +110,8 @@ fn main() { println!("cargo:rustc-link-search=/opt/homebrew/Cellar/gmp/6.3.0/lib"); } + uniffi::generate_scaffolding("src/lib.udl").expect("uniffi generation failed"); + let manifest_path = env::var("OUT_DIR").expect("cargo should have set this"); let mut path = PathBuf::from(&manifest_path); path.push("constants.rs"); diff --git a/crates/vdf/src/lib.rs b/crates/vdf/src/lib.rs index dda54cf..0cd128c 100644 --- a/crates/vdf/src/lib.rs +++ b/crates/vdf/src/lib.rs @@ -95,6 +95,8 @@ mod proof_of_time; mod proof_pietrzak; mod proof_wesolowski; +uniffi::include_scaffolding!("lib"); + /// An empty struct indicating verification failure. /// /// For security reasons, the functions that perform verification *do not* @@ -243,3 +245,17 @@ pub trait VDF: Send + Debug { alleged_solution: &[u8], ) -> Result<(), InvalidProof>; } + +/// Solve and prove with the Wesolowski VDF using the given parameters. +/// Outputs the concatenated solution and proof (in this order). +pub fn wesolowski_solve(int_size_bits: u16, challenge: &[u8], difficulty: u64) -> Vec { + let vdf = WesolowskiVDFParams(int_size_bits).new(); + vdf.solve(challenge, difficulty).expect("invalid difficulty") +} + +/// Verify with the Wesolowski VDF using the given parameters. +/// `alleged_solution` is the output of `wesolowski_solve`. +pub fn wesolowski_verify(int_size_bits: u16, challenge: &[u8], difficulty: u64, alleged_solution: &[u8]) -> bool { + let vdf = WesolowskiVDFParams(int_size_bits).new(); + vdf.verify(challenge, difficulty, alleged_solution).is_ok() +} diff --git a/crates/vdf/src/lib.udl b/crates/vdf/src/lib.udl new file mode 100644 index 0000000..4c48661 --- /dev/null +++ b/crates/vdf/src/lib.udl @@ -0,0 +1,4 @@ +namespace vdf { + sequence wesolowski_solve(u16 int_size_bits, [ByRef] sequence challenge, u64 difficulty); + boolean wesolowski_verify(u16 int_size_bits, [ByRef] sequence challenge, u64 difficulty, [ByRef] sequence alleged_solution); +}; diff --git a/vdf/.gitignore b/vdf/.gitignore new file mode 100644 index 0000000..86d4c2d --- /dev/null +++ b/vdf/.gitignore @@ -0,0 +1 @@ +generated diff --git a/vdf/generate.sh b/vdf/generate.sh new file mode 100755 index 0000000..d57a1f8 --- /dev/null +++ b/vdf/generate.sh @@ -0,0 +1,15 @@ +#!/bin/bash +set -euxo pipefail + +SCRIPT_DIR="${SCRIPT_DIR:-$( cd "../$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )}" +ROOT_DIR="$SCRIPT_DIR" + +RUST_VDF_PACKAGE="$ROOT_DIR/crates/vdf" +BINDINGS_DIR="$ROOT_DIR/vdf" + +# Build the Rust VDF package in release mode +RUSTFLAGS='-L /opt/homebrew/Cellar/gmp/6.3.0/lib' cargo build -p vdf --release + +# Generate Go bindings +pushd "$RUST_VDF_PACKAGE" > /dev/null +uniffi-bindgen-go src/lib.udl -o "$BINDINGS_DIR"/generated diff --git a/vdf/go.mod b/vdf/go.mod new file mode 100644 index 0000000..7369603 --- /dev/null +++ b/vdf/go.mod @@ -0,0 +1,3 @@ +module "source.quilibrium.com/quilibrium/cermonyclient/vdf" + +go 1.20 diff --git a/vdf/test.sh b/vdf/test.sh new file mode 100755 index 0000000..48479d6 --- /dev/null +++ b/vdf/test.sh @@ -0,0 +1,18 @@ +#!/bin/bash +set -euxo pipefail + +SCRIPT_DIR="${SCRIPT_DIR:-$( cd "../$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )}" +ROOT_DIR="$SCRIPT_DIR" + +BINDINGS_DIR="$ROOT_DIR/vdf" +BINARIES_DIR="$ROOT_DIR/target/release" + +go generate + +# Test the generated bindings +pushd "$BINDINGS_DIR" > /dev/null +LD_LIBRARY_PATH="${LD_LIBRARY_PATH:-}:$BINARIES_DIR" \ + CGO_LDFLAGS="-lvdf -L$BINARIES_DIR -ldl" \ + CGO_ENABLED=1 \ + LC_RPATH="$BINARIES_DIR" \ + go test diff --git a/vdf/vdf.go b/vdf/vdf.go new file mode 100644 index 0000000..f8524a6 --- /dev/null +++ b/vdf/vdf.go @@ -0,0 +1,19 @@ +package vdf + +import ( + generated "source.quilibrium.com/quilibrium/cermonyclient/vdf/generated/vdf" +) + +//go:generate ./generate.sh + +// WesolowskiSolve Solve and prove with the Wesolowski VDF using the given parameters. +// Outputs the concatenated solution and proof (in this order). +func WesolowskiSolve(intSizeBits uint16, challenge []uint8, difficulty uint64) []uint8 { + return generated.WesolowskiSolve(intSizeBits, challenge, difficulty) +} + +// WesolowskiVerify Verify with the Wesolowski VDF using the given parameters. +// `allegedSolution` is the output of `WesolowskiSolve`. +func WesolowskiVerify(intSizeBits uint16, challenge []uint8, difficulty uint64, allegedSolution []uint8) bool { + return generated.WesolowskiVerify(intSizeBits, challenge, difficulty, allegedSolution) +} diff --git a/vdf/vdf_test.go b/vdf/vdf_test.go new file mode 100644 index 0000000..a2e1585 --- /dev/null +++ b/vdf/vdf_test.go @@ -0,0 +1,17 @@ +package vdf_test + +import ( + "source.quilibrium.com/quilibrium/cermonyclient/vdf" + "testing" +) + +const intSizeBits = uint16(2048) +const difficulty = uint64(10000) + +func TestProveVerify(t *testing.T) { + solution := vdf.WesolowskiSolve(intSizeBits, []byte{0x01, 0x02, 0x03}, difficulty) + isOk := vdf.WesolowskiVerify(intSizeBits, []byte{0x01, 0x02, 0x03}, difficulty, solution) + if !isOk { + t.Errorf("WesolowskiVerify failed") + } +}