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#[macro_use]
extern crate lazy_static;
use core::convert::TryInto;
use serde::{Serialize, Deserialize};
use serde::de::DeserializeOwned;
use std::collections::HashMap;
use std::sync::Mutex;
#[derive(Deserialize)]
pub struct CallParams {
pub address: [u8; 20],
pub balance: f64,
pub caller: [u8; 20],
pub origin: [u8; 20],
pub spice_limit: f64,
pub spice_remaining: f64,
pub args: HashMap<String, Vec<u8>>
}
extern "C" {
pub fn revert() -> !;
}
lazy_static! {
pub static ref MSG: CallParams = unsafe {
let env_len = 128 as *const u32;
let env_serd = std::slice::from_raw_parts(132 as *const u8, *env_len as usize);
let env_de: CallParams = serde_cbor::from_reader(&env_serd[..]).unwrap();
env_de
};
static ref STORAGE_MAP: Mutex<HashMap<String, Vec<u8>>> = Mutex::new(HashMap::new());
pub static ref STORAGE: Mutex<Vec<u8>> = Mutex::new(Vec::new());
}
pub fn get_arg<T: DeserializeOwned>(name: &str) -> T {
let arg_ser = MSG.args.get(name).unwrap();
serde_cbor::from_slice(&arg_ser).unwrap()
}
pub fn sstore<T: Serialize>(key: &str, val: T) {
let serialized = serde_cbor::ser::to_vec_packed(&val).unwrap();
STORAGE_MAP.lock().unwrap().insert(key.to_string(), serialized);
}
pub fn sload<T: DeserializeOwned>(key: String) -> T {
serde_cbor::from_slice(STORAGE_MAP.lock().unwrap().get(&key).unwrap()).unwrap()
}
#[no_mangle]
pub unsafe fn _get_storage_ptr() -> *const u8 {
let mut locked_storage = STORAGE.lock().unwrap();
let mut serialized_storage = serde_cbor::ser::to_vec_packed(
&(*STORAGE_MAP)).unwrap();
locked_storage.append(&mut serialized_storage);
&*locked_storage.as_ptr()
}
#[no_mangle]
pub unsafe fn _get_storage_len() -> i32 {
let ret: usize = STORAGE.lock().unwrap().len();
ret.try_into().unwrap()
}
pub type Address = [u8; 20];