calimero_sys/
lib.rs

1#![allow(dead_code, reason = "Will be used in the future")]
2
3mod types;
4
5pub use types::*;
6
7wasm_imports! {
8    "env" => {
9        fn panic(loc: Ref<Location<'_>>) -> !;
10        fn panic_utf8(msg: Ref<Buffer<'_>>, loc: Ref<Location<'_>>) -> !;
11        // --
12        fn register_len(register_id: RegisterId) -> PtrSizedInt;
13        fn read_register(register_id: RegisterId, buf: Ref<BufferMut<'_>>) -> Bool;
14        // --
15        fn context_id(register_id: RegisterId);
16        fn executor_id(register_id: RegisterId);
17        // --
18        fn input(register_id: RegisterId);
19        fn value_return(value: Ref<ValueReturn<'_>>);
20        fn log_utf8(msg: Ref<Buffer<'_>>);
21        fn emit(event: Ref<Event<'_>>);
22        // --
23        fn commit(root: Ref<Buffer<'_>>, artifact: Ref<Buffer<'_>>);
24        // --
25        fn storage_read(key: Ref<Buffer<'_>>, register_id: RegisterId) -> Bool;
26        fn storage_remove(key: Ref<Buffer<'_>>, register_id: RegisterId) -> Bool;
27        fn storage_write(key: Ref<Buffer<'_>>, value: Ref<Buffer<'_>>, register_id: RegisterId) -> Bool;
28        // --
29        fn fetch(
30            url: Ref<Buffer<'_>>,
31            method: Ref<Buffer<'_>>,
32            headers: Ref<Buffer<'_>>,
33            body: Ref<Buffer<'_>>,
34            register_id: RegisterId
35        ) -> Bool;
36        // --
37        fn random_bytes(buf: Ref<BufferMut<'_>>);
38        fn time_now(buf: Ref<BufferMut<'_>>);
39        // --
40        fn send_proposal(value: Ref<Buffer<'_>>, buf: Ref<BufferMut<'_>>);
41        fn approve_proposal(value: Ref<Buffer<'_>>);
42        // --
43        // Streaming blob functions
44        fn blob_create() -> PtrSizedInt;
45        fn blob_open(blob_id: Ref<Buffer<'_>>) -> PtrSizedInt;
46        fn blob_read(fd: PtrSizedInt, buf: Ref<BufferMut<'_>>) -> PtrSizedInt;
47        fn blob_write(fd: PtrSizedInt, data: Ref<Buffer<'_>>) -> PtrSizedInt;
48        fn blob_close(fd: PtrSizedInt, blob_id_buf: Ref<BufferMut<'_>>) -> Bool;
49        // Network blob functions
50        fn blob_announce_to_context(blob_id: Ref<Buffer<'_>>, context_id: Ref<Buffer<'_>>) -> Bool;
51    }
52}
53
54macro_rules! wasm_imports {
55    ($module:literal => { $(fn $func_name:ident($($arg:ident: $arg_ty:ty),*) $(-> $returns:ty)?;)* }) => {
56        cfg_if::cfg_if! {
57            if #[cfg(target_arch = "wasm32")] {
58                #[link(wasm_import_module = $module)]
59                extern "C" {
60                    $(
61                        pub fn $func_name($($arg: $arg_ty),*) $(-> $returns)?;
62                    )*
63                }
64            } else {
65                $(
66                    #[allow(unused_variables, reason = "Needed due to macro expansion")]
67                    pub unsafe fn $func_name($($arg: $arg_ty),*) $(-> $returns)? {
68                        panic!("host function `{}` is only available when compiled for wasm32", stringify!($func_name));
69                    }
70                )*
71            }
72        }
73    };
74}
75
76use wasm_imports;
calimero_sys/lib.rs

calimero_sys/
lib.rs
