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#![allow(dead_code)]
#![allow(unused_imports)]
pub mod env;
pub mod executor;
pub mod ext;
pub mod funcs;
pub mod registry;
pub mod result;
mod tests;
use crate::{
api::types::GearPages,
metadata::{registry::LocalRegistry, result::Result},
};
pub use result::Error;
use scale_info::{form::PortableForm, PortableRegistry};
use std::fmt;
use subxt::sp_runtime::traits::Saturating;
use wasmtime::AsContextMut;
pub type StoreData = ext::Ext;
const PAGE_SIZE: usize = 4096;
macro_rules! construct_metadata {
($($meta:ident),+) => {
#[derive(Debug, Eq)]
pub struct Metadata {
$(
pub $meta: Option<String>,
)+
}
impl PartialEq for Metadata {
fn eq(&self, other: &Self) -> bool {
$(
if self.$meta != other.$meta && stringify!($meta) != "meta_registry"{
return false;
}
)+
true
}
}
impl Metadata {
pub fn of(bin: &[u8]) -> Result<Self> {
executor::execute(bin, |mut reader| -> Result<Self> {
let memory = reader.memory()?;
Ok(Self {
$(
$meta: reader.meta(&memory, stringify!($meta))
.map(|b|String::from_utf8_lossy(&b).to_string())
.ok(),
)+
})
})
}
fn format(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
let registry = self.registry().map_err(|_|fmt::Error)?;
let mut display = fmt.debug_struct("Metadata");
$(
if let Some(type_name) = &self.$meta {
if let Ok(ty) = registry.derive_name(&type_name) {
display.field(stringify!($meta), &ty);
}
else if stringify!($meta) != "meta_registry" {
display.field(stringify!($meta), &type_name);
}
}
)+
display.finish()
}
}
};
}
construct_metadata![
meta_title,
meta_init_input,
meta_init_output,
meta_async_init_input,
meta_async_init_output,
meta_handle_input,
meta_handle_output,
meta_async_handle_input,
meta_async_handle_output,
meta_state_input,
meta_state_output,
meta_registry
];
impl Metadata {
pub fn read(
bin: &[u8],
initial_size: u64,
pages: GearPages,
msg: Vec<u8>,
timestamp: u64,
height: u64,
) -> Result<Vec<u8>> {
executor::execute(bin, move |mut reader| -> Result<Vec<u8>> {
reader.state(initial_size, pages.clone(), msg.clone(), timestamp, height)
})
}
pub fn registry(&self) -> Result<PortableRegistry> {
PortableRegistry::from_hex(self.meta_registry.as_ref().ok_or(Error::RegistryNotFound)?)
}
}
impl fmt::Display for Metadata {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
self.format(fmt)
}
}
