mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
f51eb2d747
* Add debug enabled flag to transaction and TVM emulator * Set debug_enabled false in Emulator constructor
264 lines
11 KiB
C++
264 lines
11 KiB
C++
#include <string>
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#include "transaction-emulator.h"
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#include "crypto/common/refcnt.hpp"
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#include "vm/cp0.h"
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#include "tdutils/td/utils/Time.h"
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using td::Ref;
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using namespace std::string_literals;
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namespace emulator {
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td::Result<std::unique_ptr<TransactionEmulator::EmulationResult>> TransactionEmulator::emulate_transaction(
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block::Account&& account, td::Ref<vm::Cell> msg_root, ton::UnixTime utime, ton::LogicalTime lt, int trans_type) {
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td::Ref<vm::Cell> old_mparams;
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std::vector<block::StoragePrices> storage_prices;
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block::StoragePhaseConfig storage_phase_cfg{&storage_prices};
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block::ComputePhaseConfig compute_phase_cfg;
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block::ActionPhaseConfig action_phase_cfg;
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td::RefInt256 masterchain_create_fee, basechain_create_fee;
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if (!utime) {
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utime = unixtime_;
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}
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if (!utime) {
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utime = (unsigned)std::time(nullptr);
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}
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auto fetch_res = block::FetchConfigParams::fetch_config_params(config_, &old_mparams,
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&storage_prices, &storage_phase_cfg,
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&rand_seed_, &compute_phase_cfg,
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&action_phase_cfg, &masterchain_create_fee,
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&basechain_create_fee, account.workchain, utime);
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if(fetch_res.is_error()) {
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return fetch_res.move_as_error_prefix("cannot fetch config params ");
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}
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vm::init_op_cp0(debug_enabled_);
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if (!lt) {
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lt = lt_;
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}
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if (!lt) {
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lt = (account.last_trans_lt_ / block::ConfigInfo::get_lt_align() + 1) * block::ConfigInfo::get_lt_align(); // next block after account_.last_trans_lt_
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}
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compute_phase_cfg.libraries = std::make_unique<vm::Dictionary>(libraries_);
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compute_phase_cfg.ignore_chksig = ignore_chksig_;
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compute_phase_cfg.with_vm_log = true;
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compute_phase_cfg.vm_log_verbosity = vm_log_verbosity_;
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double start_time = td::Time::now();
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auto res = create_transaction(msg_root, &account, utime, lt, trans_type,
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&storage_phase_cfg, &compute_phase_cfg,
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&action_phase_cfg);
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double elapsed = td::Time::now() - start_time;
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if(res.is_error()) {
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return res.move_as_error_prefix("cannot run message on account ");
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}
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std::unique_ptr<block::transaction::Transaction> trans = res.move_as_ok();
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if (!trans->compute_phase->accepted && trans->in_msg_extern) {
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auto vm_log = trans->compute_phase->vm_log;
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auto vm_exit_code = trans->compute_phase->exit_code;
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return std::make_unique<TransactionEmulator::EmulationExternalNotAccepted>(std::move(vm_log), vm_exit_code, elapsed);
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}
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if (!trans->serialize()) {
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return td::Status::Error(-669,"cannot serialize new transaction for smart contract "s + trans->account.addr.to_hex());
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}
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auto trans_root = trans->commit(account);
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if (trans_root.is_null()) {
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return td::Status::Error(PSLICE() << "cannot commit new transaction for smart contract");
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}
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return std::make_unique<TransactionEmulator::EmulationSuccess>(std::move(trans_root), std::move(account),
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std::move(trans->compute_phase->vm_log), std::move(trans->compute_phase->actions), elapsed);
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}
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td::Result<TransactionEmulator::EmulationSuccess> TransactionEmulator::emulate_transaction(block::Account&& account, td::Ref<vm::Cell> original_trans) {
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block::gen::Transaction::Record record_trans;
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if (!tlb::unpack_cell(original_trans, record_trans)) {
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return td::Status::Error("Failed to unpack Transaction");
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}
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ton::LogicalTime lt = record_trans.lt;
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ton::UnixTime utime = record_trans.now;
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account.now_ = utime;
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account.block_lt = record_trans.lt - record_trans.lt % block::ConfigInfo::get_lt_align();
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td::Ref<vm::Cell> msg_root = record_trans.r1.in_msg->prefetch_ref();
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int tag = block::gen::t_TransactionDescr.get_tag(vm::load_cell_slice(record_trans.description));
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int trans_type = block::transaction::Transaction::tr_none;
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switch (tag) {
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case block::gen::TransactionDescr::trans_ord: {
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trans_type = block::transaction::Transaction::tr_ord;
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break;
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}
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case block::gen::TransactionDescr::trans_storage: {
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trans_type = block::transaction::Transaction::tr_storage;
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break;
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}
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case block::gen::TransactionDescr::trans_tick_tock: {
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block::gen::TransactionDescr::Record_trans_tick_tock tick_tock;
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if (!tlb::unpack_cell(record_trans.description, tick_tock)) {
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return td::Status::Error("Failed to unpack tick tock transaction description");
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}
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trans_type = tick_tock.is_tock ? block::transaction::Transaction::tr_tock : block::transaction::Transaction::tr_tick;
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break;
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}
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case block::gen::TransactionDescr::trans_split_prepare: {
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trans_type = block::transaction::Transaction::tr_split_prepare;
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break;
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}
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case block::gen::TransactionDescr::trans_split_install: {
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trans_type = block::transaction::Transaction::tr_split_install;
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break;
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}
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case block::gen::TransactionDescr::trans_merge_prepare: {
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trans_type = block::transaction::Transaction::tr_merge_prepare;
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break;
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}
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case block::gen::TransactionDescr::trans_merge_install: {
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trans_type = block::transaction::Transaction::tr_merge_install;
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break;
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}
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}
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TRY_RESULT(emulation, emulate_transaction(std::move(account), msg_root, utime, lt, trans_type));
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auto emulation_result = dynamic_cast<EmulationSuccess&>(*emulation);
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if (td::Bits256(emulation_result.transaction->get_hash().bits()) != td::Bits256(original_trans->get_hash().bits())) {
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return td::Status::Error("transaction hash mismatch");
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}
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if (!check_state_update(emulation_result.account, record_trans)) {
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return td::Status::Error("account hash mismatch");
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}
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return emulation_result;
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}
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td::Result<TransactionEmulator::EmulationChain> TransactionEmulator::emulate_transactions_chain(block::Account&& account, std::vector<td::Ref<vm::Cell>>&& original_transactions) {
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std::vector<td::Ref<vm::Cell>> emulated_transactions;
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for (const auto& original_trans : original_transactions) {
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if (original_trans.is_null()) {
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continue;
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}
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TRY_RESULT(emulation_result, emulate_transaction(std::move(account), original_trans));
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emulated_transactions.push_back(std::move(emulation_result.transaction));
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account = std::move(emulation_result.account);
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}
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return TransactionEmulator::EmulationChain{ std::move(emulated_transactions), std::move(account) };
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}
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bool TransactionEmulator::check_state_update(const block::Account& account, const block::gen::Transaction::Record& trans) {
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block::gen::HASH_UPDATE::Record hash_update;
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return tlb::type_unpack_cell(trans.state_update, block::gen::t_HASH_UPDATE_Account, hash_update) &&
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hash_update.new_hash == account.total_state->get_hash().bits();
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}
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td::Result<std::unique_ptr<block::transaction::Transaction>> TransactionEmulator::create_transaction(
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td::Ref<vm::Cell> msg_root, block::Account* acc,
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ton::UnixTime utime, ton::LogicalTime lt, int trans_type,
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block::StoragePhaseConfig* storage_phase_cfg,
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block::ComputePhaseConfig* compute_phase_cfg,
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block::ActionPhaseConfig* action_phase_cfg) {
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bool external{false}, ihr_delivered{false}, need_credit_phase{false};
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if (msg_root.not_null()) {
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auto cs = vm::load_cell_slice(msg_root);
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external = block::gen::t_CommonMsgInfo.get_tag(cs);
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}
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if (trans_type == block::transaction::Transaction::tr_ord) {
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need_credit_phase = !external;
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} else if (trans_type == block::transaction::Transaction::tr_merge_install) {
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need_credit_phase = true;
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}
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std::unique_ptr<block::transaction::Transaction> trans =
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std::make_unique<block::transaction::Transaction>(*acc, trans_type, lt, utime, msg_root);
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if (msg_root.not_null() && !trans->unpack_input_msg(ihr_delivered, action_phase_cfg)) {
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if (external) {
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// inbound external message was not accepted
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return td::Status::Error(-701,"inbound external message rejected by account "s + acc->addr.to_hex() +
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" before smart-contract execution");
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}
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return td::Status::Error(-669,"cannot unpack input message for a new transaction");
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}
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if (trans->bounce_enabled) {
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if (!trans->prepare_storage_phase(*storage_phase_cfg, true)) {
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return td::Status::Error(-669,"cannot create storage phase of a new transaction for smart contract "s + acc->addr.to_hex());
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}
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if (need_credit_phase && !trans->prepare_credit_phase()) {
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return td::Status::Error(-669,"cannot create credit phase of a new transaction for smart contract "s + acc->addr.to_hex());
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}
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} else {
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if (need_credit_phase && !trans->prepare_credit_phase()) {
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return td::Status::Error(-669,"cannot create credit phase of a new transaction for smart contract "s + acc->addr.to_hex());
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}
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if (!trans->prepare_storage_phase(*storage_phase_cfg, true, need_credit_phase)) {
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return td::Status::Error(-669,"cannot create storage phase of a new transaction for smart contract "s + acc->addr.to_hex());
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}
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}
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if (!trans->prepare_compute_phase(*compute_phase_cfg)) {
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return td::Status::Error(-669,"cannot create compute phase of a new transaction for smart contract "s + acc->addr.to_hex());
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}
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if (!trans->compute_phase->accepted) {
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if (!external && trans->compute_phase->skip_reason == block::ComputePhase::sk_none) {
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return td::Status::Error(-669,"new ordinary transaction for smart contract "s + acc->addr.to_hex() +
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" has not been accepted by the smart contract (?)");
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}
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}
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if (trans->compute_phase->success && !trans->prepare_action_phase(*action_phase_cfg)) {
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return td::Status::Error(-669,"cannot create action phase of a new transaction for smart contract "s + acc->addr.to_hex());
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}
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if (trans->bounce_enabled && !trans->compute_phase->success && !trans->prepare_bounce_phase(*action_phase_cfg)) {
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return td::Status::Error(-669,"cannot create bounce phase of a new transaction for smart contract "s + acc->addr.to_hex());
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}
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return trans;
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}
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void TransactionEmulator::set_unixtime(ton::UnixTime unixtime) {
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unixtime_ = unixtime;
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}
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void TransactionEmulator::set_lt(ton::LogicalTime lt) {
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lt_ = lt;
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}
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void TransactionEmulator::set_rand_seed(td::BitArray<256>& rand_seed) {
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rand_seed_ = rand_seed;
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}
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void TransactionEmulator::set_ignore_chksig(bool ignore_chksig) {
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ignore_chksig_ = ignore_chksig;
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}
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void TransactionEmulator::set_config(block::Config &&config) {
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config_ = std::forward<block::Config>(config);
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}
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void TransactionEmulator::set_libs(vm::Dictionary &&libs) {
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libraries_ = std::forward<vm::Dictionary>(libs);
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}
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void TransactionEmulator::set_debug_enabled(bool debug_enabled) {
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debug_enabled_ = debug_enabled;
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}
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} // namespace emulator
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