From ef57244d034b714709bb566c16819d54e3d33d6b Mon Sep 17 00:00:00 2001
From: Kamen Mladenov <kamen@syndamia.com>
Date: Fri, 17 Jan 2025 17:08:11 +0200
Subject: feat(zkvms): Add jolt host

It expects certain custom funcitonality from guest
---
 zkvms/jolt/host/Cargo.toml  | 14 ++++++++++++++
 zkvms/jolt/host/src/main.rs | 23 +++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 zkvms/jolt/host/Cargo.toml
 create mode 100644 zkvms/jolt/host/src/main.rs

(limited to 'zkvms/jolt/host')

diff --git a/zkvms/jolt/host/Cargo.toml b/zkvms/jolt/host/Cargo.toml
new file mode 100644
index 0000000..aae636f
--- /dev/null
+++ b/zkvms/jolt/host/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "host-jolt"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+path = "/nix/store/q8ix3vj7dw6w57zhjc9wa38vicymql0g-jolt-unstable-2024-12-18/src/lib.rs"
+
+[dependencies]
+jolt-sdk = { path = "/nix/store/q8ix3vj7dw6w57zhjc9wa38vicymql0g-jolt-unstable-2024-12-18/jolt-sdk", features = ["host"] }
+jolt-core = { path = "/nix/store/q8ix3vj7dw6w57zhjc9wa38vicymql0g-jolt-unstable-2024-12-18/jolt-core" }
+
+guest = { path = "../guest" }
+zkvms_host_io = { path = "../../../zkvms_host_io" }
diff --git a/zkvms/jolt/host/src/main.rs b/zkvms/jolt/host/src/main.rs
new file mode 100644
index 0000000..66d52a9
--- /dev/null
+++ b/zkvms/jolt/host/src/main.rs
@@ -0,0 +1,23 @@
+use zkvms_host_io::{read_args, RunType::{ Execute, Prove, Verify }};
+
+type Input = (Vec<Vec<bool>>, u32, Vec<Vec<u32>>);
+
+pub fn main() {
+    let run_info = read_args();
+
+    let elf_path = std::env::var("ELF_PATH").expect("ELF PATH is missing");
+    let (prove_guest, verify_guest) = guest::guest_closures(elf_path);
+
+    match run_info.run_type {
+        Execute => unreachable!(),
+        Prove => {
+            let (output, _) = prove_guest(run_info.input);
+            println!("Prove output: {}", output);
+        },
+        Verify => {
+            let (_, proof) = prove_guest(run_info.input);
+            let is_valid = verify_guest(proof);
+            println!("Verify is valid: {}", is_valid);
+        },
+    }
+}
-- 
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