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Add fee burning and blackhole address (#703)

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* Fix tlbc crash

* Burn specified fraction of fees

* Add "blackhole" for burning TONs

---------

Co-authored-by: SpyCheese <mikle98@yandex.ru>
This commit is contained in:
EmelyanenkoK 2023-05-18 11:26:02 +03:00 • committed by GitHub
parent d5cd548502
commit ef64b92f08
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 187 additions and 57 deletions
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60
validator/impl/validate-query.cpp
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@ -808,6 +808,7 @@ bool ValidateQuery::fetch_config_params() {
action_phase_cfg_.workchains = &config_->get_workchain_list();
action_phase_cfg_.bounce_msg_body = (config_->has_capability(ton::capBounceMsgBody) ? 256 : 0);
action_phase_cfg_.size_limits = size_limits;
action_phase_cfg_.mc_blackhole_addr = config_->get_burning_config().blackhole_addr;
}
{
// fetch block_grams_created
@ -2161,6 +2162,11 @@ bool ValidateQuery::unpack_precheck_value_flow(Ref<vm::Cell> value_flow_root) {
return reject_query("ValueFlow of block "s + id_.to_str() +
" is invalid (non-zero recovered value in a non-masterchain block)");
}
if (!is_masterchain() && !value_flow_.burned.is_zero()) {
LOG(INFO) << "invalid value flow: " << os.str();
return reject_query("ValueFlow of block "s + id_.to_str() +
" is invalid (non-zero burned value in a non-masterchain block)");
}
if (!value_flow_.recovered.is_zero() && recover_create_msg_.is_null()) {
return reject_query("ValueFlow of block "s + id_.to_str() +
" has a non-zero recovered fees value, but there is no recovery InMsg");
@ -2243,15 +2249,10 @@ bool ValidateQuery::unpack_precheck_value_flow(Ref<vm::Cell> value_flow_root) {
"cannot unpack CurrencyCollection with total transaction fees from the augmentation of the ShardAccountBlocks "
"dictionary");
}
auto expected_fees = value_flow_.fees_imported + value_flow_.created + transaction_fees_ + import_fees_;
if (value_flow_.fees_collected != expected_fees) {
return reject_query(PSTRING() << "ValueFlow for " << id_.to_str() << " declares fees_collected="
<< value_flow_.fees_collected.to_str() << " but the total message import fees are "
<< import_fees_ << ", the total transaction fees are " << transaction_fees_.to_str()
<< ", creation fee for this block is " << value_flow_.created.to_str()
<< " and the total imported fees from shards are "
<< value_flow_.fees_imported.to_str() << " with a total of "
<< expected_fees.to_str());
if (is_masterchain()) {
auto x = config_->get_burning_config().calculate_burned_fees(transaction_fees_ + import_fees_);
fees_burned_ += x;
total_burned_ += x;
}
return true;
}
@ -4564,6 +4565,7 @@ bool ValidateQuery::check_one_transaction(block::Account& account, ton::LogicalT
<< "transaction " << lt << " of " << addr.to_hex()
<< " is invalid: it has produced a set of outbound messages different from that listed in the transaction");
}
total_burned_ += trs->blackhole_burned;
// check new balance and value flow
auto new_balance = account.get_balance();
block::CurrencyCollection total_fees;
@ -4571,12 +4573,14 @@ bool ValidateQuery::check_one_transaction(block::Account& account, ton::LogicalT
return reject_query(PSTRING() << "transaction " << lt << " of " << addr.to_hex()
<< " has an invalid total_fees value");
}
if (old_balance + money_imported != new_balance + money_exported + total_fees) {
return reject_query(PSTRING() << "transaction " << lt << " of " << addr.to_hex()
<< " violates the currency flow condition: old balance=" << old_balance.to_str()
<< " + imported=" << money_imported.to_str() << " does not equal new balance="
<< new_balance.to_str() << " + exported=" << money_exported.to_str()
<< " + total_fees=" << total_fees.to_str());
if (old_balance + money_imported != new_balance + money_exported + total_fees + trs->blackhole_burned) {
return reject_query(
PSTRING() << "transaction " << lt << " of " << addr.to_hex()
<< " violates the currency flow condition: old balance=" << old_balance.to_str()
<< " + imported=" << money_imported.to_str() << " does not equal new balance=" << new_balance.to_str()
<< " + exported=" << money_exported.to_str() << " + total_fees=" << total_fees.to_str()
<< (trs->blackhole_burned.is_zero() ? ""
: PSTRING() << " burned=" << trs->blackhole_burned.to_str()));
}
return true;
}
@ -5447,6 +5451,9 @@ bool ValidateQuery::check_mc_block_extra() {
return reject_query("invalid fees_imported in value flow: declared "s + value_flow_.fees_imported.to_str() +
", correct value is " + fees_imported.to_str());
}
auto x = config_->get_burning_config().calculate_burned_fees(fees_imported - import_created_);
total_burned_ += x;
fees_burned_ += x;
// ^[ prev_blk_signatures:(HashmapE 16 CryptoSignaturePair)
if (prev_signatures_.not_null() && id_.seqno() == 1) {
return reject_query("block contains non-empty signature set for the zero state of the masterchain");
@ -5464,6 +5471,26 @@ bool ValidateQuery::check_mc_block_extra() {
return true;
}
bool ValidateQuery::postcheck_value_flow() {
auto expected_fees =
value_flow_.fees_imported + value_flow_.created + transaction_fees_ + import_fees_ - fees_burned_;
if (value_flow_.fees_collected != expected_fees) {
return reject_query(PSTRING() << "ValueFlow for " << id_.to_str() << " declares fees_collected="
<< value_flow_.fees_collected.to_str() << " but the total message import fees are "
<< import_fees_ << ", the total transaction fees are " << transaction_fees_.to_str()
<< ", creation fee for this block is " << value_flow_.created.to_str()
<< ", the total imported fees from shards are " << value_flow_.fees_imported.to_str()
<< " and the burned fees are " << fees_burned_.to_str()
<< " with a total of " << expected_fees.to_str());
}
if (total_burned_ != value_flow_.burned) {
return reject_query(PSTRING() << "invalid burned in value flow: " << id_.to_str() << " declared "
<< value_flow_.burned.to_str() << ", correct value is "
<< total_burned_.to_str());
}
return true;
}
/*
*
* MAIN VALIDATOR FUNCTION
@ -5565,6 +5592,9 @@ bool ValidateQuery::try_validate() {
if (!check_mc_state_extra()) {
return reject_query("new McStateExtra is invalid");
}
if (!postcheck_value_flow()) {
return reject_query("new ValueFlow is invalid");
}
} catch (vm::VmError& err) {
return fatal_error(-666, err.get_msg());
} catch (vm::VmVirtError& err) {