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Add infrastructure for precompiled smartcontracts (#927)

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* Utils for writing precompiled contracts

* Precompiled contracts in config, override gas_usage for them

* Add base class for precompiled contracts

* Improve utils for precompiled smc

* Implement GETPRECOMPILEDGAS

* Enable precompiles by flag

* Process null data in PrecompiledSmartContract

* Fix ton_block wasm build

* Fix vm::util::store_(u)long

---------

Co-authored-by: SpyCheese <mikle98@yandex.ru>
This commit is contained in:
EmelyanenkoK 2024-03-05 16:54:49 +03:00 • committed by GitHub
parent b09f910bf2
commit 9d05696452
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GPG key ID: B5690EEEBB952194
21 changed files with 991 additions and 95 deletions
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27
crypto/block/mc-config.cpp
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@ -2032,6 +2032,17 @@ td::Ref<vm::Tuple> Config::get_unpacked_config_tuple(ton::UnixTime now) const {
return td::make_cnt_ref<std::vector<vm::StackEntry>>(std::move(tuple));
}
PrecompiledContractsConfig Config::get_precompiled_contracts_config() const {
PrecompiledContractsConfig c;
td::Ref<vm::Cell> param = get_config_param(45);
gen::PrecompiledContractsConfig::Record rec;
if (param.is_null() || !tlb::unpack_cell(param, rec)) {
return c;
}
c.list = vm::Dictionary{rec.list->prefetch_ref(), 256};
return c;
}
td::Result<std::pair<ton::UnixTime, ton::UnixTime>> Config::unpack_validator_set_start_stop(Ref<vm::Cell> vset_root) {
if (vset_root.is_null()) {
return td::Status::Error("validator set absent");
@ -2316,4 +2327,20 @@ td::Result<Ref<vm::Tuple>> ConfigInfo::get_prev_blocks_info() const {
block_id_to_tuple(last_key_block));
}
td::optional<PrecompiledContractsConfig::Contract> PrecompiledContractsConfig::get_contract(
td::Bits256 code_hash) const {
auto list_copy = list;
auto cs = list_copy.lookup(code_hash);
if (cs.is_null()) {
return {};
}
gen::PrecompiledSmc::Record rec;
if (!tlb::csr_unpack(cs, rec)) {
return {};
}
Contract c;
c.gas_usage = rec.gas_usage;
return c;
}
} // namespace block