numbat_wasm/io/
contract_call_arg.rs

1use crate::api::ErrorApi;
2use crate::types::*;
3use numbat_codec::{TopEncode, TopEncodeOutput};
4
5pub fn serialize_contract_call_arg<I, A>(arg: I, arg_buffer: &mut ArgBuffer, error_api: A)
6where
7	I: ContractCallArg,
8	A: ErrorApi,
9{
10	// TODO: convert to fast exit
11	if let Result::Err(sc_err) = arg.push_async_arg(arg_buffer) {
12		error_api.signal_error(sc_err.as_bytes());
13	}
14}
15
16/// Trait that specifies how arguments are serialized in contract calls.
17///
18/// TODO: unite with DynArg trait when reorganizing argument handling.
19pub trait ContractCallArg: Sized {
20	fn push_async_arg(&self, serializer: &mut ArgBuffer) -> Result<(), SCError>;
21}
22
23/// Local adapter the connects the ArgBuffer to the TopEncode trait.
24struct ContractCallArgOutput<'s> {
25	arg_buffer: &'s mut ArgBuffer,
26}
27
28impl<'c> ContractCallArgOutput<'c> {
29	#[inline]
30	fn new(arg_buffer: &'c mut ArgBuffer) -> Self {
31		ContractCallArgOutput { arg_buffer }
32	}
33}
34
35impl<'c> TopEncodeOutput for ContractCallArgOutput<'c> {
36	fn set_slice_u8(self, bytes: &[u8]) {
37		self.arg_buffer.push_argument_bytes(bytes);
38	}
39}
40
41impl<T> ContractCallArg for T
42where
43	T: TopEncode,
44{
45	#[inline]
46	#[allow(clippy::redundant_closure)]
47	fn push_async_arg(&self, serializer: &mut ArgBuffer) -> Result<(), SCError> {
48		self.top_encode(ContractCallArgOutput::new(serializer))
49			.map_err(|err| SCError::from(err))
50	}
51}
numbat_wasm/io/contract_call_arg.rs

numbat_wasm/io/
contract_call_arg.rs
