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
use super::VmApiImpl;
use elrond_wasm::{
api::CallValueApi,
types::{BigUint, EsdtTokenType, ManagedType, TokenIdentifier},
};
const MAX_POSSIBLE_TOKEN_IDENTIFIER_LENGTH: usize = 32;
extern "C" {
fn bigIntNew(value: i64) -> i32;
#[cfg(not(feature = "unmanaged-ei"))]
fn mBufferNew() -> i32;
fn checkNoPayment();
fn bigIntGetCallValue(dest: i32);
fn bigIntGetESDTCallValue(dest: i32);
fn getESDTTokenName(resultOffset: *const u8) -> i32;
fn getESDTTokenNonce() -> i64;
fn getESDTTokenType() -> i32;
fn getNumESDTTransfers() -> i32;
fn bigIntGetESDTCallValueByIndex(dest: i32, index: i32);
fn getESDTTokenNameByIndex(resultOffset: *const u8, index: i32) -> i32;
fn getESDTTokenNonceByIndex(index: i32) -> i64;
fn getESDTTokenTypeByIndex(index: i32) -> i32;
#[cfg(not(feature = "unmanaged-ei"))]
fn managedGetMultiESDTCallValue(resultHandle: i32);
#[allow(dead_code)]
fn getCallValueTokenName(callValueOffset: *const u8, resultOffset: *const u8) -> i32;
}
impl CallValueApi for VmApiImpl {
#[inline]
fn check_not_payable(&self) {
unsafe {
checkNoPayment();
}
}
fn egld_value(&self) -> BigUint<Self> {
unsafe {
let value_handle = bigIntNew(0);
bigIntGetCallValue(value_handle);
BigUint::from_raw_handle(value_handle)
}
}
fn esdt_value(&self) -> BigUint<Self> {
unsafe {
let value_handle = bigIntNew(0);
bigIntGetESDTCallValue(value_handle);
BigUint::from_raw_handle(value_handle)
}
}
fn token(&self) -> TokenIdentifier<Self> {
unsafe {
let mut name_buffer = [0u8; MAX_POSSIBLE_TOKEN_IDENTIFIER_LENGTH];
let name_len = getESDTTokenName(name_buffer.as_mut_ptr());
if name_len == 0 {
TokenIdentifier::egld()
} else {
TokenIdentifier::from_esdt_bytes(&name_buffer[..name_len as usize])
}
}
}
fn esdt_token_nonce(&self) -> u64 {
unsafe { getESDTTokenNonce() as u64 }
}
fn esdt_token_type(&self) -> EsdtTokenType {
unsafe { (getESDTTokenType() as u8).into() }
}
fn esdt_num_transfers(&self) -> usize {
unsafe { getNumESDTTransfers() as usize }
}
fn esdt_value_by_index(&self, index: usize) -> BigUint<Self> {
unsafe {
let value_handle = bigIntNew(0);
bigIntGetESDTCallValueByIndex(value_handle, index as i32);
BigUint::from_raw_handle(value_handle)
}
}
fn token_by_index(&self, index: usize) -> TokenIdentifier<Self> {
unsafe {
let mut name_buffer = [0u8; MAX_POSSIBLE_TOKEN_IDENTIFIER_LENGTH];
let name_len = getESDTTokenNameByIndex(name_buffer.as_mut_ptr(), index as i32);
if name_len == 0 {
TokenIdentifier::egld()
} else {
TokenIdentifier::from_esdt_bytes(&name_buffer[..name_len as usize])
}
}
}
fn esdt_token_nonce_by_index(&self, index: usize) -> u64 {
unsafe { getESDTTokenNonceByIndex(index as i32) as u64 }
}
fn esdt_token_type_by_index(&self, index: usize) -> EsdtTokenType {
unsafe { (getESDTTokenTypeByIndex(index as i32) as u8).into() }
}
#[cfg(not(feature = "unmanaged-ei"))]
fn get_all_esdt_transfers(
&self,
) -> elrond_wasm::types::ManagedVec<Self, elrond_wasm::types::EsdtTokenPayment<Self>> {
unsafe {
let result_handle = mBufferNew();
managedGetMultiESDTCallValue(result_handle);
elrond_wasm::types::ManagedVec::from_raw_handle(result_handle)
}
}
}