[pythnet] Add pyth from PythNet and locate with other PythNet modules.

.pre-commit-config.yaml

@@ -69,13 +69,13 @@ repos:
       - id: cargo-fmt-message-buffer
         name: Cargo format for message buffer contract
         language: "rust"
-        entry: cargo +nightly fmt --manifest-path ./message_buffer/Cargo.toml --all -- --config-path rustfmt.toml
+        entry: cargo +nightly fmt --manifest-path ./pythnet/message_buffer/Cargo.toml --all -- --config-path rustfmt.toml
         pass_filenames: false
         files: message_buffer
       - id: cargo-clippy-message-buffer
         name: Cargo clippy for message buffer contract
         language: "rust"
-        entry: cargo +nightly clippy --manifest-path ./message_buffer/Cargo.toml --tests --fix --allow-dirty --allow-staged -- -D warnings
+        entry: cargo +nightly clippy --manifest-path ./pythnet/message_buffer/Cargo.toml --tests --fix --allow-dirty --allow-staged -- -D warnings
         pass_filenames: false
         files: message_buffer
       # Hooks for solana receiver contract

pythnet/pythnet_sdk/Cargo.toml

@@ -0,0 +1,30 @@
+[package]
+name = "solana-pyth"
+version = "1.13.6"
+description = "Pyth Runtime for Solana"
+authors = ["Pyth Data Association"]
+repository = "https://github.com/pyth-network/pythnet"
+edition = "2021"
+
+[dependencies]
+borsh = "0.9.1"
+bincode = "1.3.1"
+bytemuck = { version = "1.11.0", features = ["derive"] }
+fast-math = "0.1"
+hex = { version = "0.4.3", features = ["serde"] }
+serde = { version = "1.0.144", features = ["derive"] }
+sha3 = "0.10.4"
+slow_primes = "0.1.14"
+
+[dev-dependencies]
+rand = "0.7.0"
+
+[lib]
+crate-type = ["lib"]
+name = "solana_pyth"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[build-dependencies]
+rustc_version = "0.4"

pythnet/pythnet_sdk/rustfmt.toml

@@ -0,0 +1,17 @@
+# Merge all imports into a clean vertical list of module imports.
+imports_granularity = "One"
+group_imports = "One"
+imports_layout = "Vertical"
+
+# Better grep-ability.
+empty_item_single_line = false
+
+# Consistent pipe layout.
+match_arm_leading_pipes = "Preserve"
+
+# Align Fields
+enum_discrim_align_threshold = 80
+struct_field_align_threshold = 80
+
+# Allow up to two blank lines for visual grouping.
+blank_lines_upper_bound = 2

pythnet/pythnet_sdk/src/accumulators.rs

@@ -0,0 +1,9 @@
+pub mod merkle;
+mod mul;
+
+pub trait Accumulator<'a>: Sized {
+    type Proof: 'a;
+    fn from_set(items: impl Iterator<Item = &'a &'a [u8]>) -> Option<Self>;
+    fn prove(&'a self, item: &[u8]) -> Option<Self::Proof>;
+    fn verify(&'a self, proof: Self::Proof, item: &[u8]) -> bool;
+}