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| 1 | +#include "barretenberg/avm_fuzzer/fuzz_lib/contract_db_proxy.hpp" |
| 2 | + |
| 3 | +#include "barretenberg/avm_fuzzer/common/interfaces/dbs.hpp" |
| 4 | +#include "barretenberg/avm_fuzzer/fuzz_lib/constants.hpp" |
| 5 | +#include "barretenberg/avm_fuzzer/fuzz_lib/control_flow.hpp" |
| 6 | +#include "barretenberg/avm_fuzzer/fuzz_lib/fuzzer_data.hpp" |
| 7 | +#include "barretenberg/avm_fuzzer/fuzz_lib/simulator.hpp" |
| 8 | +#include "barretenberg/common/log.hpp" |
| 9 | +#include "barretenberg/vm2/simulation/lib/contract_crypto.hpp" |
| 10 | + |
| 11 | +using namespace bb::avm2::fuzzer; |
| 12 | + |
| 13 | +// Temp Helper function to create a default contract class from bytecode |
| 14 | +ContractClass create_default_class(const std::vector<uint8_t>& bytecode) |
| 15 | +{ |
| 16 | + // This isn't strictly needed for pure simulation, but if we want to re-use inputs in proving we need valid |
| 17 | + // commitment |
| 18 | + auto bytecode_commitment = simulation::compute_public_bytecode_commitment(bytecode); |
| 19 | + auto class_id = |
| 20 | + simulation::compute_contract_class_id(/*artifact_hash=*/0, /*private_fn_root=*/0, bytecode_commitment); |
| 21 | + return ContractClass{ |
| 22 | + .id = class_id, |
| 23 | + .artifact_hash = 0, |
| 24 | + .private_functions_root = 0, |
| 25 | + .packed_bytecode = bytecode, |
| 26 | + }; |
| 27 | +} |
| 28 | + |
| 29 | +// Temp Helper function to create a default contract instance from a class ID |
| 30 | +ContractInstance create_default_instance(const ContractClassId& class_id) |
| 31 | +{ |
| 32 | + return ContractInstance{ |
| 33 | + .salt = 0, |
| 34 | + .deployer = MSG_SENDER, |
| 35 | + .current_contract_class_id = class_id, |
| 36 | + .original_contract_class_id = class_id, |
| 37 | + .initialization_hash = 0, |
| 38 | + .public_keys = PublicKeys{}, |
| 39 | + }; |
| 40 | +} |
| 41 | + |
| 42 | +// Temp Helper function to compute contract address from instance |
| 43 | +AztecAddress compute_contract_address(const ContractInstance& instance) |
| 44 | +{ |
| 45 | + // This isn't strictly needed for pure simulation, but if we want to re-use inputs in proving we need valid |
| 46 | + // addresses |
| 47 | + return simulation::compute_contract_address(instance); |
| 48 | +} |
| 49 | + |
| 50 | +// Creates a default transaction that the single app logic enqueued call can be inserted into |
| 51 | +Tx create_default_tx(const AztecAddress& contract_address, |
| 52 | + const AztecAddress& sender_address, |
| 53 | + const std::vector<FF>& calldata, |
| 54 | + [[maybe_unused]] const FF& transaction_fee, |
| 55 | + bool is_static_call, |
| 56 | + const Gas& gas_limit) |
| 57 | +{ |
| 58 | + return Tx{ |
| 59 | + .hash = TRANSACTION_HASH, |
| 60 | + .gas_settings = GasSettings{ |
| 61 | + .gas_limits = gas_limit, |
| 62 | + .max_fees_per_gas = GasFees{ .fee_per_da_gas = FEE_PER_DA_GAS, .fee_per_l2_gas = FEE_PER_L2_GAS }, |
| 63 | + }, |
| 64 | + .effective_gas_fees = EFFECTIVE_GAS_FEES, |
| 65 | + .non_revertible_accumulated_data = AccumulatedData{ |
| 66 | + .note_hashes = NON_REVERTIBLE_ACCUMULATED_DATA_NOTE_HASHES, |
| 67 | + // This nullifier is needed to make the nonces for note hashes and expected by simulation_helper |
| 68 | + .nullifiers = NON_REVERTIBLE_ACCUMULATED_DATA_NULLIFIERS, |
| 69 | + .l2_to_l1_messages = NON_REVERTIBLE_ACCUMULATED_DATA_L2_TO_L1_MESSAGES, |
| 70 | + }, |
| 71 | + .revertible_accumulated_data = AccumulatedData{ |
| 72 | + .note_hashes = REVERTIBLE_ACCUMULATED_DATA_NOTE_HASHES, |
| 73 | + .nullifiers = REVERTIBLE_ACCUMULATED_DATA_NULLIFIERS, |
| 74 | + .l2_to_l1_messages = REVERTIBLE_ACCUMULATED_DATA_L2_TO_L1_MESSAGES, |
| 75 | + }, |
| 76 | + .setup_enqueued_calls = SETUP_ENQUEUED_CALLS, |
| 77 | + .app_logic_enqueued_calls = { |
| 78 | + PublicCallRequestWithCalldata{ |
| 79 | + .request = PublicCallRequest{ |
| 80 | + .msg_sender = MSG_SENDER, |
| 81 | + .contract_address = contract_address, |
| 82 | + .is_static_call = is_static_call, |
| 83 | + .calldata_hash = 0, |
| 84 | + }, |
| 85 | + .calldata = calldata, |
| 86 | + }, |
| 87 | + }, |
| 88 | + .teardown_enqueued_call = TEARDOWN_ENQUEUED_CALLS, |
| 89 | + .gas_used_by_private = GAS_USED_BY_PRIVATE, |
| 90 | + .fee_payer = sender_address, |
| 91 | + }; |
| 92 | +} |
| 93 | + |
| 94 | +namespace bb::avm2::fuzzer { |
| 95 | + |
| 96 | +ContractDBProxy* ContractDBProxy::instance = nullptr; |
| 97 | + |
| 98 | +ContractDBProxy::ContractDBProxy() |
| 99 | +{ |
| 100 | + contract_db = new FuzzerContractDB(); |
| 101 | +} |
| 102 | + |
| 103 | +ContractDBProxy* ContractDBProxy::get_instance() |
| 104 | +{ |
| 105 | + if (instance == nullptr) { |
| 106 | + instance = new ContractDBProxy(); |
| 107 | + } |
| 108 | + return instance; |
| 109 | +} |
| 110 | + |
| 111 | +FF ContractDBProxy::register_contract_from_bytecode(const std::vector<uint8_t>& bytecode) |
| 112 | +{ |
| 113 | + if (instance == nullptr) { |
| 114 | + instance = new ContractDBProxy(); |
| 115 | + } |
| 116 | + auto default_class = create_default_class(bytecode); |
| 117 | + auto default_instance = create_default_instance(default_class.id); |
| 118 | + auto contract_address = simulation::compute_contract_address(default_instance); |
| 119 | + instance->contract_db->add_contract_class(default_class.id, default_class); |
| 120 | + instance->contract_db->add_contract_instance(contract_address, default_instance); |
| 121 | + instance->registered_contract_addresses.push_back(contract_address); |
| 122 | + |
| 123 | + FuzzerWorldStateManager::getInstance()->register_contract_address(contract_address); |
| 124 | + return contract_address; |
| 125 | +} |
| 126 | + |
| 127 | +FF ContractDBProxy::get_function_address(size_t index) |
| 128 | +{ |
| 129 | + if (instance == nullptr) { |
| 130 | + instance = new ContractDBProxy(); |
| 131 | + } |
| 132 | + if (instance->registered_contract_addresses.size() < 1) { |
| 133 | + return FF::zero(); |
| 134 | + } |
| 135 | + return instance->registered_contract_addresses[index % (instance->registered_contract_addresses.size())]; |
| 136 | +} |
| 137 | + |
| 138 | +void ContractDBProxy::reset_instance() |
| 139 | +{ |
| 140 | + if (instance != nullptr) { |
| 141 | + delete instance; |
| 142 | + instance = new ContractDBProxy(); |
| 143 | + } |
| 144 | +} |
| 145 | +} // namespace bb::avm2::fuzzer |
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