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use crate::ArwenApiImpl;
use alloc::vec::Vec;
use elrond_wasm::api::{StorageReadApi, StorageWriteApi};
use elrond_wasm::types::BoxedBytes;
#[rustfmt::skip]
extern "C" {
fn storageStore(keyOffset: *const u8, keyLength: i32, dataOffset: *const u8, dataLength: i32) -> i32;
fn storageLoadLength(keyOffset: *const u8, keyLength: i32) -> i32;
fn storageLoad(keyOffset: *const u8, keyLength: i32, dataOffset: *mut u8) -> i32;
fn bigIntNew(value: i64) -> i32;
fn bigIntStorageStoreUnsigned(keyOffset: *const u8, keyLength: i32, source: i32) -> i32;
fn bigIntStorageLoadUnsigned(keyOffset: *const u8, keyLength: i32, destination: i32) -> i32;
fn smallIntStorageStoreUnsigned(keyOffset: *const u8, keyLength: i32, value: i64) -> i32;
fn smallIntStorageStoreSigned(keyOffset: *const u8, keyLength: i32, value: i64) -> i32;
fn smallIntStorageLoadUnsigned(keyOffset: *const u8, keyLength: i32) -> i64;
fn smallIntStorageLoadSigned(keyOffset: *const u8, keyLength: i32) -> i64;
}
impl StorageReadApi for ArwenApiImpl {
#[inline]
fn storage_load_len(&self, key: &[u8]) -> usize {
unsafe { storageLoadLength(key.as_ref().as_ptr(), key.len() as i32) as usize }
}
fn storage_load_vec_u8(&self, key: &[u8]) -> Vec<u8> {
unsafe {
let value_len = self.storage_load_len(key);
let mut res = Vec::with_capacity(value_len);
storageLoad(key.as_ref().as_ptr(), key.len() as i32, res.as_mut_ptr());
res.set_len(value_len);
res
}
}
fn storage_load_boxed_bytes(&self, key: &[u8]) -> BoxedBytes {
let len = self.storage_load_len(key);
unsafe {
let mut res = BoxedBytes::allocate(len);
if len > 0 {
storageLoad(key.as_ref().as_ptr(), key.len() as i32, res.as_mut_ptr());
}
res
}
}
#[inline]
fn storage_load_big_uint_raw(&self, key: &[u8]) -> i32 {
unsafe {
let handle = bigIntNew(0);
bigIntStorageLoadUnsigned(key.as_ref().as_ptr(), key.len() as i32, handle);
handle
}
}
#[inline]
fn storage_load_u64(&self, key: &[u8]) -> u64 {
unsafe { smallIntStorageLoadUnsigned(key.as_ref().as_ptr(), key.len() as i32) as u64 }
}
#[inline]
fn storage_load_i64(&self, key: &[u8]) -> i64 {
unsafe { smallIntStorageLoadSigned(key.as_ref().as_ptr(), key.len() as i32) }
}
}
impl StorageWriteApi for ArwenApiImpl {
fn storage_store_slice_u8(&self, key: &[u8], value: &[u8]) {
unsafe {
storageStore(
key.as_ref().as_ptr(),
key.len() as i32,
value.as_ptr(),
value.len() as i32,
);
}
}
#[inline]
fn storage_store_big_uint_raw(&self, key: &[u8], handle: i32) {
unsafe {
bigIntStorageStoreUnsigned(key.as_ref().as_ptr(), key.len() as i32, handle);
}
}
#[inline]
fn storage_store_u64(&self, key: &[u8], value: u64) {
unsafe {
smallIntStorageStoreUnsigned(key.as_ref().as_ptr(), key.len() as i32, value as i64);
}
}
#[inline]
fn storage_store_i64(&self, key: &[u8], value: i64) {
unsafe {
smallIntStorageStoreSigned(key.as_ref().as_ptr(), key.len() as i32, value);
}
}
}