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use std::{collections::HashMap, rc::Rc};
use multiversx_sc::types::Address;
use num_bigint::BigUint;
use num_traits::Zero;
use crate::{
tx_mock::{
async_call_tx_input, async_callback_tx_input, async_promise_tx_input, merge_results,
AsyncCallTxData, Promise, TxCache, TxContext, TxInput, TxResult, TxResultCalls,
},
world_mock::{AccountData, AccountEsdt, BlockchainMock},
};
use super::{execute_builtin_function_or_default, execute_tx_context};
pub fn execute_sc_query(tx_input: TxInput, state: BlockchainMock) -> (TxResult, BlockchainMock) {
let state_rc = Rc::new(state);
let tx_cache = TxCache::new(state_rc.clone());
let tx_context = TxContext::new(tx_input, tx_cache);
let (_, tx_result) = execute_tx_context(tx_context);
(tx_result, Rc::try_unwrap(state_rc).unwrap())
}
pub fn execute_sc_call(tx_input: TxInput, mut state: BlockchainMock) -> (TxResult, BlockchainMock) {
state.subtract_tx_gas(&tx_input.from, tx_input.gas_limit, tx_input.gas_price);
let state_rc = Rc::new(state);
let tx_cache = TxCache::new(state_rc.clone());
let (tx_result, blockchain_updates) = execute_builtin_function_or_default(tx_input, tx_cache);
let mut state = Rc::try_unwrap(state_rc).unwrap();
if tx_result.result_status == 0 {
blockchain_updates.apply(&mut state);
}
(tx_result, state)
}
pub fn execute_async_call_and_callback(
async_data: AsyncCallTxData,
state: BlockchainMock,
) -> (TxResult, TxResult, BlockchainMock) {
if state.accounts.contains_key(&async_data.to) {
let async_input = async_call_tx_input(&async_data);
let (async_result, state) = sc_call_with_async_and_callback(async_input, state);
let callback_input =
async_callback_tx_input(&async_data, &async_result, &state.builtin_functions);
let (callback_result, state) = execute_sc_call(callback_input, state);
assert!(
callback_result.pending_calls.async_call.is_none(),
"successive asyncs currently not supported"
);
(async_result, callback_result, state)
} else {
let state_rc = Rc::new(state);
let tx_cache = TxCache::new(state_rc.clone());
tx_cache.subtract_egld_balance(&async_data.from, &async_data.call_value);
tx_cache.insert_account(AccountData {
address: async_data.to.clone(),
nonce: 0,
egld_balance: async_data.call_value,
esdt: AccountEsdt::default(),
username: Vec::new(),
storage: HashMap::new(),
contract_path: None,
contract_owner: None,
developer_rewards: BigUint::zero(),
});
let blockchain_updates = tx_cache.into_blockchain_updates();
let mut state = Rc::try_unwrap(state_rc).unwrap();
state.commit_updates(blockchain_updates);
(TxResult::empty(), TxResult::empty(), state)
}
}
pub fn sc_call_with_async_and_callback(
tx_input: TxInput,
state: BlockchainMock,
) -> (TxResult, BlockchainMock) {
let contract_address = tx_input.to.clone();
let (mut tx_result, mut state) = execute_sc_call(tx_input, state);
let pending_calls = std::mem::replace(&mut tx_result.pending_calls, TxResultCalls::empty());
if tx_result.result_status == 0 {
if let Some(async_data) = pending_calls.async_call {
let (async_result, callback_result, new_state) =
execute_async_call_and_callback(async_data, state);
state = new_state;
tx_result = merge_results(tx_result, async_result);
tx_result = merge_results(tx_result, callback_result);
return (tx_result, state);
}
}
for promise in pending_calls.promises {
let (async_result, callback_result, new_state) =
execute_promise_call_and_callback(&contract_address, &promise, state);
state = new_state;
tx_result = merge_results(tx_result, async_result.clone());
tx_result = merge_results(tx_result, callback_result.clone());
}
(tx_result, state)
}
pub fn execute_promise_call_and_callback(
address: &Address,
promise: &Promise,
state: BlockchainMock,
) -> (TxResult, TxResult, BlockchainMock) {
if state.accounts.contains_key(&promise.call.to) {
let async_input = async_call_tx_input(&promise.call);
let (async_result, state) = sc_call_with_async_and_callback(async_input, state);
let callback_input = async_promise_tx_input(address, promise, &async_result);
let (callback_result, state) = execute_sc_call(callback_input, state);
assert!(
callback_result.pending_calls.promises.is_empty(),
"successive promises currently not supported"
);
(async_result, callback_result, state)
} else {
let state_rc = Rc::new(state);
let tx_cache = TxCache::new(state_rc.clone());
tx_cache.subtract_egld_balance(address, &promise.call.call_value);
tx_cache.insert_account(AccountData {
address: promise.call.to.clone(),
nonce: 0,
egld_balance: promise.call.call_value.clone(),
esdt: AccountEsdt::default(),
username: Vec::new(),
storage: HashMap::new(),
contract_path: None,
contract_owner: None,
developer_rewards: BigUint::zero(),
});
let blockchain_updates = tx_cache.into_blockchain_updates();
let mut state = Rc::try_unwrap(state_rc).unwrap();
state.commit_updates(blockchain_updates);
(TxResult::empty(), TxResult::empty(), state)
}
}