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check_tx_balance minor improvement

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sowle 2023-03-14 23:53:50 +01:00
parent 95ebf24944
commit 2f91a2b7f3
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1 changed files with 4 additions and 4 deletions
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8
src/currency_core/currency_format_utils.cpp
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@ -506,6 +506,10 @@ namespace currency
{ {
if (tx.version > TRANSACTION_VERSION_PRE_HF4) if (tx.version > TRANSACTION_VERSION_PRE_HF4)
{ {
zc_balance_proof balance_proof = AUTO_VAL_INIT(balance_proof);
bool r = get_type_in_variant_container<zc_balance_proof>(tx.proofs, balance_proof);
CHECK_AND_ASSERT_MES(r, false, "zc_balance_proof is missing in tx proofs");
size_t zc_inputs_count = 0; size_t zc_inputs_count = 0;
uint64_t bare_inputs_sum = additional_inputs_amount_and_fees_for_mining_tx; uint64_t bare_inputs_sum = additional_inputs_amount_and_fees_for_mining_tx;
for(auto& vin : tx.vin) for(auto& vin : tx.vin)
@ -560,10 +564,6 @@ namespace currency
} }
sum_of_pseudo_out_amount_commitments.modify_mul8(); sum_of_pseudo_out_amount_commitments.modify_mul8();
zc_balance_proof balance_proof = AUTO_VAL_INIT(balance_proof);
bool r = get_type_in_variant_container<zc_balance_proof>(tx.proofs, balance_proof);
CHECK_AND_ASSERT_MES(r, false, "zc_balance_proof is not found");
// (sum(bare inputs' amounts) - fee) * H + sum(pseudo outs commitments for ZC inputs) - sum(outputs' commitments) = lin(X) OR = lin(G) // (sum(bare inputs' amounts) - fee) * H + sum(pseudo outs commitments for ZC inputs) - sum(outputs' commitments) = lin(X) OR = lin(G)
crypto::point_t commitment_to_zero = (crypto::scalar_t(bare_inputs_sum) - crypto::scalar_t(fee)) * currency::native_coin_asset_id_pt + sum_of_pseudo_out_amount_commitments - outs_commitments_sum; crypto::point_t commitment_to_zero = (crypto::scalar_t(bare_inputs_sum) - crypto::scalar_t(fee)) * currency::native_coin_asset_id_pt + sum_of_pseudo_out_amount_commitments - outs_commitments_sum;