From ab16fe9109387cb35bf0edf6a81093f62fdbe6b7 Mon Sep 17 00:00:00 2001
From: MikkySnow <mike@swisstronik.com>
Date: Tue, 8 Oct 2024 15:31:13 +0000
Subject: [PATCH] chore: add missing files to git

---
 crates/static-precompiles/Cargo.toml | 30 ++++++++++++++
 crates/static-precompiles/src/lib.rs | 61 ++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 crates/static-precompiles/Cargo.toml
 create mode 100644 crates/static-precompiles/src/lib.rs

diff --git a/crates/static-precompiles/Cargo.toml b/crates/static-precompiles/Cargo.toml
new file mode 100644
index 00000000..69fb357f
--- /dev/null
+++ b/crates/static-precompiles/Cargo.toml
@@ -0,0 +1,30 @@
+[package]
+name = "static-precompiles"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+primitive-types = { version = "^0.12", default-features = false, features = ["rlp"] }
+evm = { git = "https://github.com/SigmaGmbH/evm.git", default-features = false, commit = "b76ffcde60078059e99f5f34a32b2b743767619b"}
+substrate-bn = { version = "0.6.0", default-features = false }
+tiny-keccak = { version = "2.0.2", features = ["fips202"] }
+sha2 = { version = "0.9.5", default-features=false }
+k256 = { version = "0.11.6", default-features = false, features = ["keccak256", "sha2", "ecdsa"] }
+sha3 = { version = "0.10", default-features = false }
+num = { version = "0.4", default-features = false, features = ["alloc"] }
+ed25519-dalek = { version = "2.0.0", default-features=false }
+curve25519-dalek = { version = "=4.1.1", default-features = false, features = ["alloc"] }
+sgx_tstd = { git = "https://github.com/apache/teaclave-sgx-sdk.git", rev = "3c903bda", features = ["net", "backtrace"], optional = true }
+p256 = { version = "0.13.2",default-features = false, features = ["ecdsa"] }
+ripemd = { version = "0.1.3", default-features = false }
+
+[dev-dependencies]
+hex = "0.4.3"
+
+[features]
+default = []
+std = []
+sgx = ["sgx_tstd"]
+
+[patch."https://github.com/apache/teaclave-sgx-sdk.git"]
+sgx_tstd = { path = "../../sgxvm/sgx-sdk/sgx_tstd" }
\ No newline at end of file
diff --git a/crates/static-precompiles/src/lib.rs b/crates/static-precompiles/src/lib.rs
new file mode 100644
index 00000000..d2e33489
--- /dev/null
+++ b/crates/static-precompiles/src/lib.rs
@@ -0,0 +1,61 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use evm::GasMutState;
+use evm::interpreter::error::{ExitError, ExitException, ExitResult};
+use evm::interpreter::runtime::RuntimeState;
+
+#[cfg(feature = "std")]
+use std::vec::Vec;
+
+#[cfg(not(feature = "std"))]
+use sgx_tstd::vec::Vec;
+
+pub mod blake2f;
+pub mod bn128;
+pub mod curve25519;
+pub mod modexp;
+pub mod sha3fips;
+pub mod ec_recover;
+pub mod sha256;
+pub mod ripemd160;
+pub mod datacopy;
+pub mod secp256r1;
+
+pub trait Precompile<G> {
+    fn execute(input: &[u8], gasometer: &mut G) -> (ExitResult, Vec<u8>);
+}
+
+pub trait LinearCostPrecompile {
+    const BASE: u64;
+    const WORD: u64;
+
+    fn raw_execute(
+        input: &[u8],
+        cost: u64,
+    ) -> (ExitResult, Vec<u8>);
+}
+
+impl<T: LinearCostPrecompile, G: AsRef<RuntimeState> + GasMutState> Precompile<G> for T {
+    fn execute(input: &[u8], gasometer: &mut G) -> (ExitResult, Vec<u8>) {
+        let cost = match linear_cost(input.len() as u64, T::BASE, T::WORD) {
+            Ok(cost) => cost,
+            Err(e) => return (Err(e), Vec::new()),
+        };
+        if let Err(err) = gasometer.record_gas(cost.into()) {
+            return (err.into(), Vec::new());
+        };
+
+        T::raw_execute(input, cost)
+    }
+}
+
+pub fn linear_cost(len: u64, base: u64, word: u64) -> Result<u64, ExitError> {
+    let cost = base
+        .checked_add(
+            word.checked_mul(len.saturating_add(31) / 32)
+                .ok_or(ExitException::OutOfGas)?,
+        )
+        .ok_or(ExitException::OutOfGas)?;
+
+    Ok(cost)
+}
\ No newline at end of file