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use std::marker::PhantomData;
use crate::addons::MockApiBech32;
use crate::prefixed_storage::get_full_contract_storage_namespace;
use crate::queries::wasm::WasmRemoteQuerier;
use crate::wasm_emulation::query::gas::{
GAS_COST_ALL_QUERIES, GAS_COST_CONTRACT_INFO, GAS_COST_RAW_COSMWASM_QUERY,
};
use crate::wasm_emulation::query::mock_querier::QueryResultWithGas;
use crate::wasm_emulation::query::MockQuerier;
use crate::Contract;
use crate::wasm_emulation::contract::WasmContract;
use cosmwasm_std::testing::MockStorage;
use cosmwasm_vm::GasInfo;
use cosmwasm_std::{
to_json_binary, Addr, ContractInfoResponse, CustomMsg, CustomQuery, OwnedDeps, Storage,
SystemError, SystemResult,
};
use cosmwasm_std::{ContractInfo, ContractResult};
use cosmwasm_std::WasmQuery;
use cw_orch::daemon::queriers::CosmWasm;
use serde::de::DeserializeOwned;
use crate::wasm_emulation::channel::RemoteChannel;
use super::mock_querier::ForkState;
pub struct WasmQuerier<
ExecC: CustomMsg + DeserializeOwned + 'static,
QueryC: CustomQuery + DeserializeOwned + 'static,
> {
fork_state: ForkState<ExecC, QueryC>,
}
impl<
ExecC: CustomMsg + DeserializeOwned + 'static,
QueryC: CustomQuery + DeserializeOwned + 'static,
> WasmQuerier<ExecC, QueryC>
{
pub fn new(fork_state: ForkState<ExecC, QueryC>) -> Self {
Self { fork_state }
}
pub fn query(&self, remote: RemoteChannel, request: &WasmQuery) -> QueryResultWithGas {
match request {
WasmQuery::ContractInfo { contract_addr } => {
let addr = Addr::unchecked(contract_addr);
let data = if let Some(local_contract) = self
.fork_state
.querier_storage
.wasm
.contracts
.get(contract_addr)
{
local_contract.clone()
} else {
let maybe_distant_contract = WasmRemoteQuerier::load_distant_contract(
self.fork_state.remote.clone(),
&addr,
);
if let Ok(contract) = maybe_distant_contract {
contract
} else {
return (
SystemResult::Err(SystemError::NoSuchContract {
addr: contract_addr.to_string(),
}),
GasInfo::with_externally_used(GAS_COST_CONTRACT_INFO),
);
}
};
let response =
ContractInfoResponse::new(data.code_id, data.creator, data.admin, false, None);
(
SystemResult::Ok(to_json_binary(&response).into()),
GasInfo::with_externally_used(GAS_COST_CONTRACT_INFO),
)
}
WasmQuery::Raw { contract_addr, key } => {
// We first try to load that information locally
let mut total_key =
get_full_contract_storage_namespace(&Addr::unchecked(contract_addr)).to_vec();
total_key.extend_from_slice(key);
if let Some(value) = self
.fork_state
.querier_storage
.wasm
.storage
.iter()
.find(|e| e.0 == total_key)
{
(
SystemResult::Ok(ContractResult::Ok(value.1.clone().into())),
GasInfo::with_externally_used(GAS_COST_RAW_COSMWASM_QUERY),
)
} else {
(
SystemResult::Ok(
WasmRemoteQuerier::raw_query(
remote,
&Addr::unchecked(contract_addr),
key.clone(),
)
.map(Into::into)
.into(),
),
GasInfo::with_externally_used(GAS_COST_RAW_COSMWASM_QUERY),
)
}
}
WasmQuery::Smart { contract_addr, msg } => {
let addr = Addr::unchecked(contract_addr);
let mut storage = MockStorage::default();
// Set the storage
for (key, value) in self
.fork_state
.querier_storage
.wasm
.get_contract_storage(&addr)
{
storage.set(&key, &value);
}
let deps = OwnedDeps {
storage,
api: MockApiBech32::new(&self.fork_state.remote.pub_address_prefix),
querier: MockQuerier::new(self.fork_state.clone()),
custom_query_type: PhantomData::<QueryC>,
};
let mut env = self.fork_state.local_state.env.clone();
env.contract = ContractInfo {
address: addr.clone(),
};
// First we get the code id corresponding to the contract
let code_id = if let Some(local_contract) = self
.fork_state
.querier_storage
.wasm
.contracts
.get(contract_addr)
{
local_contract.code_id
} else {
let wasm_querier = CosmWasm::new_sync(remote.channel.clone(), &remote.rt);
let code_info = remote
.rt
.block_on(wasm_querier._contract_info(&addr))
.unwrap();
code_info.code_id
};
// Then, we get the corresponding wasm contract
// If the contract data is already defined in our storage, we load it from there
let result = if let Some(code) = self
.fork_state
.querier_storage
.wasm
.codes
.get(&(code_id as usize))
{
// Local Wasm Contract case
<WasmContract as Contract<ExecC, QueryC>>::query(
code,
deps.as_ref(),
env,
msg.to_vec(),
self.fork_state.clone(),
)
} else if let Some(local_contract) = self
.fork_state
.local_state
.contracts
.get(&(code_id as usize))
{
// Local Rust Contract case
unsafe {
local_contract.as_ref().unwrap().query(
deps.as_ref(),
env,
msg.to_vec(),
self.fork_state.clone(),
)
}
} else {
// Distant Registered Contract case
// TODO, this should be part of the cache as well
// However, it's not really possible to register that data inside the App, because this is deep in the execution layer
<WasmContract as Contract<ExecC, QueryC>>::query(
&WasmContract::new_distant_code_id(code_id, remote.clone()),
deps.as_ref(),
env,
msg.to_vec(),
self.fork_state.clone(),
)
};
let result = match result {
Err(e) => {
return (
SystemResult::Err(SystemError::InvalidRequest {
error: format!("Error querying a contract: {}", e),
request: msg.clone(),
}),
GasInfo::with_externally_used(0),
)
}
Ok(result) => result,
};
(
SystemResult::Ok(ContractResult::Ok(result)),
GasInfo::with_externally_used(GAS_COST_ALL_QUERIES),
)
}
WasmQuery::CodeInfo { code_id } => {
let code_data = self
.fork_state
.querier_storage
.wasm
.code_data
.get(&(*code_id as usize));
let res = if let Some(code_data) = code_data {
cosmwasm_std::CodeInfoResponse::new(
*code_id,
code_data.creator.clone(),
code_data.checksum,
)
} else {
let maybe_code_info =
WasmRemoteQuerier::code_info(self.fork_state.remote.clone(), *code_id);
if let Ok(code_info) = maybe_code_info {
code_info
} else {
return (
SystemResult::Err(SystemError::NoSuchCode { code_id: *code_id }),
GasInfo::with_externally_used(GAS_COST_CONTRACT_INFO),
);
}
};
(
SystemResult::Ok(to_json_binary(&res).into()),
GasInfo::with_externally_used(GAS_COST_CONTRACT_INFO),
)
}
_ => unimplemented!(),
}
}
}