feat(zkvms): Add zkwasm guest and it's macro

4 files changed, 74 insertions, 0 deletions

diff --git a/zkvms/zkwasm/guest/Cargo.toml b/zkvms/zkwasm/guest/Cargo.toml
new file mode 100644
index 0000000..315233c
--- /dev/null
+++ b/zkvms/zkwasm/guest/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "guest"
+version = "0.1.0"
+edition = "2021"
+
+[workspace]
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+# THESE DEPENDENCIES NEED TO BE PRESENT IN THE HOST CARGO.TOML
+rlp = { version = "0.5.2", default-features = false }
+zkwasm-rust-sdk = { git = "https://github.com/DelphinusLab/zkWasm-rust.git" }
+wasm-bindgen = "0.2.95"
+
+zkp = { path = "./src/zkp" }
+wrapper_macro = { version = "0.1.0", path = "../wrapper_macro" }
diff --git a/zkvms/zkwasm/guest/guests b/zkvms/zkwasm/guest/guests
new file mode 120000
index 0000000..69bc8ed
--- /dev/null
+++ b/zkvms/zkwasm/guest/guests
@@ -0,0 +1 @@
+../../../guests
\ No newline at end of file
diff --git a/zkvms/zkwasm/guest/guests_macro b/zkvms/zkwasm/guest/guests_macro
new file mode 120000
index 0000000..143a0b5
--- /dev/null
+++ b/zkvms/zkwasm/guest/guests_macro
@@ -0,0 +1 @@
+../../../guests_macro
\ No newline at end of file
diff --git a/zkvms/zkwasm/guest/src/lib.rs b/zkvms/zkwasm/guest/src/lib.rs
new file mode 100644
index 0000000..5c00fc0
--- /dev/null
+++ b/zkvms/zkwasm/guest/src/lib.rs
@@ -0,0 +1,54 @@
+use wasm_bindgen::prelude::wasm_bindgen;
+use wrapper_macro::make_wrapper;
+// https://github.com/DelphinusLab/zkWasm-rust/blob/main/src/lib.rs
+use zkwasm_rust_sdk::{require, wasm_input, wasm_output};
+
+fn read_private() -> u64 {
+    unsafe { wasm_input(0) }
+}
+
+fn assert(cond: bool) {
+    unsafe { require(cond); }
+}
+
+fn write(value: u64) {
+    unsafe { wasm_output(value); }
+}
+
+static VERTICES: u64 = 10;
+
+macro_rules! read {
+    // HACK for graph_coloring
+    (Vec , u32) => {
+        {
+            let mut ret = Vec::new();
+            for _ in 0..2 {
+                ret.push(read!(u32));
+            }
+            ret
+        }
+    };
+    // Vec<Vec<...<Vec<primitive>>>> is converted by entrypoint_expr! to
+    // Vec,Vec,...,Vec,primitive
+    (Vec , $($type:tt)*) => {
+        {
+            let mut ret = Vec::new();
+            for _ in 0..VERTICES {
+                ret.push(read!($($type)*));
+            }
+            ret
+        }
+    };
+    (bool) => {
+        (read_private() != 0)
+    };
+    // Has to be primitive!
+    ($type:ty) => {
+        (read_private() as $type)
+    };
+}
+
+#[wasm_bindgen]
+pub fn zkmain() {
+    zkp::entrypoint_expr!()
+}