1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
use core::marker::PhantomData;
use elrond_codec::TryStaticCast;
use crate::{
api::{EndpointFinishApi, EndpointFinishApiImpl, ErrorApi, ErrorApiImpl, ManagedTypeApi},
elrond_codec::{EncodeError, TopEncode, TopEncodeOutput},
err_msg,
types::{BigInt, BigUint, ManagedBuffer, ManagedBufferCachedBuilder, ManagedType},
};
struct ApiOutputAdapter<FA>
where
FA: ManagedTypeApi + EndpointFinishApi,
{
_phantom: PhantomData<FA>,
}
impl<FA> ApiOutputAdapter<FA>
where
FA: ManagedTypeApi + EndpointFinishApi,
{
#[inline]
fn new() -> Self {
ApiOutputAdapter {
_phantom: PhantomData,
}
}
}
impl<FA> TopEncodeOutput for ApiOutputAdapter<FA>
where
FA: ManagedTypeApi + EndpointFinishApi,
{
type NestedBuffer = ManagedBufferCachedBuilder<FA>;
fn set_slice_u8(self, bytes: &[u8]) {
FA::finish_api_impl().finish_slice_u8(bytes);
}
fn set_u64(self, value: u64) {
FA::finish_api_impl().finish_u64(value);
}
fn set_i64(self, value: i64) {
FA::finish_api_impl().finish_i64(value);
}
#[inline]
fn set_unit(self) {
}
#[inline]
fn set_specialized<T, F>(self, value: &T, else_serialization: F) -> Result<(), EncodeError>
where
T: TryStaticCast,
F: FnOnce(Self) -> Result<(), EncodeError>,
{
if let Some(managed_buffer) = value.try_cast_ref::<ManagedBuffer<FA>>() {
FA::finish_api_impl().finish_managed_buffer_raw(managed_buffer.handle);
Ok(())
} else if let Some(big_uint) = value.try_cast_ref::<BigUint<FA>>() {
FA::finish_api_impl().finish_big_uint_raw(big_uint.handle);
Ok(())
} else if let Some(big_int) = value.try_cast_ref::<BigInt<FA>>() {
FA::finish_api_impl().finish_big_int_raw(big_int.handle);
Ok(())
} else {
else_serialization(self)
}
}
fn start_nested_encode(&self) -> Self::NestedBuffer {
ManagedBufferCachedBuilder::new_from_slice(&[])
}
fn finalize_nested_encode(self, nb: Self::NestedBuffer) {
FA::finish_api_impl().finish_managed_buffer_raw(nb.into_managed_buffer().get_raw_handle());
}
}
pub trait EndpointResult: Sized {
type DecodeAs;
fn finish<FA>(&self)
where
FA: ManagedTypeApi + EndpointFinishApi;
}
pub fn finish_all<FA, I, T>(items: I)
where
FA: ManagedTypeApi + EndpointFinishApi,
I: Iterator<Item = T>,
T: EndpointResult,
{
for item in items {
item.finish::<FA>();
}
}
impl<T> EndpointResult for T
where
T: TopEncode,
{
type DecodeAs = Self;
fn finish<FA>(&self)
where
FA: ManagedTypeApi + EndpointFinishApi,
{
self.top_encode_or_exit(ApiOutputAdapter::<FA>::new(), (), finish_exit::<FA>);
}
}
#[inline(always)]
fn finish_exit<FA>(_: (), encode_err: EncodeError) -> !
where
FA: ManagedTypeApi + EndpointFinishApi + ErrorApi + 'static,
{
let mut message_buffer = ManagedBuffer::<FA>::new_from_bytes(err_msg::FINISH_ENCODE_ERROR);
message_buffer.append_bytes(encode_err.message_bytes());
FA::error_api_impl().signal_error_from_buffer(message_buffer.get_raw_handle())
}