Begin post-v1.0.1 protocol and runtime improvements

wasm/src/vm.rs

@@ -12,62 +12,7 @@ pub fn run_program(program_b64: &str) -> JsValue {
 }
 
 fn execute(program: &[u8]) -> StackState {
-    let mut stack: Vec<u32> = Vec::new();
-    let mut ip: usize = 0;
-    while ip < program.len() {
-        let op = program[ip];
-        ip += 1;
-        match op {
-            0x00 => {
-                if ip + 4 > program.len() {
-                    break;
-                }
-                let val = u32::from_le_bytes([
-                    program[ip],
-                    program[ip + 1],
-                    program[ip + 2],
-                    program[ip + 3],
-                ]);
-                ip += 4;
-                stack.push(val);
-            }
-            0x01..=0x07 => {
-                if stack.len() < 2 {
-                    break;
-                }
-                let b = stack.pop().unwrap();
-                let a = stack.pop().unwrap();
-                let r = match op {
-                    0x01 => a.wrapping_add(b),
-                    0x02 => a.wrapping_sub(b),
-                    0x03 => a.wrapping_mul(b),
-                    0x04 => a ^ b,
-                    0x05 => a & b,
-                    0x06 => a | b,
-                    0x07 => a.rotate_left(b % 32),
-                    _ => unreachable!(),
-                };
-                stack.push(r);
-            }
-            0x08 => {
-                if stack.is_empty() {
-                    break;
-                }
-                let a = stack.pop().unwrap();
-                stack.push(!a);
-            }
-            0x09 => {
-                let r = shared::hashing::hash_stack(&stack);
-                stack.clear();
-                stack.push(r);
-            }
-            _ => break,
-        }
-    }
-    StackState {
-        stack,
-        ip: ip as u16,
-    }
+    shared::vm::execute(program)
 }
 
 #[cfg(test)]