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fix: add NUM_RESERVED_GATES before fetching subgroup size in composer #539

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merged 1 commit into from
Jun 16, 2023
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fix: add NUM_RESERVED_GATES before fetching subgroup size in composer #539

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6 changes: 4 additions & 2 deletions cpp/src/barretenberg/dsl/acir_proofs/acir_composer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,8 @@ void AcirComposer::create_circuit(acir_format::acir_format& constraint_system)

exact_circuit_size_ = composer_.get_num_gates();
total_circuit_size_ = composer_.get_total_circuit_size();
circuit_subgroup_size_ = composer_.get_circuit_subgroup_size(total_circuit_size_);
circuit_subgroup_size_ =
composer_.get_circuit_subgroup_size(total_circuit_size_ + composer_.composer_helper.NUM_RESERVED_GATES);
size_hint_ = circuit_subgroup_size_;
}

Expand All @@ -44,7 +45,8 @@ void AcirComposer::init_proving_key(std::shared_ptr<barretenberg::srs::factories

exact_circuit_size_ = composer_.get_num_gates();
total_circuit_size_ = composer_.get_total_circuit_size();
circuit_subgroup_size_ = composer_.get_circuit_subgroup_size(total_circuit_size_);
circuit_subgroup_size_ =
composer_.get_circuit_subgroup_size(total_circuit_size_ + composer_.composer_helper.NUM_RESERVED_GATES);

info("computing proving key...");
proving_key_ = composer_.compute_proving_key();
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