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| """ | ||
| Scenarios common import | ||
| """ |
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| """ | ||
| Define Scenario class for test_scenarios test | ||
| """ | ||
| from dataclasses import dataclass | ||
| from enum import Enum | ||
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| from ethereum_test_forks import Fork, Frontier | ||
| from ethereum_test_tools import Address, Alloc, Bytecode | ||
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| class ScenarioExpectOpcode(Enum): | ||
| """Opcodes that are replaced to real values computed by the scenario""" | ||
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| TX_ORIGIN = 1 | ||
| CODE_ADDRESS = 2 | ||
| CODE_CALLER = 3 | ||
| SELFBALANCE = 4 | ||
| BALANCE = 5 | ||
| CALL_VALUE = 6 | ||
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| @dataclass | ||
| class ProgramResult: | ||
| """ | ||
| Describe expected result of a program | ||
| Attributes: | ||
| result (int | ScenarioExpectOpcode): The result of the program | ||
| from_fork (Fork): The result is only valid from this fork (default: Frontier) | ||
| """ | ||
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| result: int | ScenarioExpectOpcode | ||
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| """The result is only valid from this fork""" | ||
| from_fork: Fork = Frontier | ||
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| @dataclass | ||
| class ScenarioEnvironment: | ||
| """ | ||
| Scenario evm environment | ||
| Each scenario must define an environment on which program is executed | ||
| This is so post state verification could check results of evm opcodes | ||
| """ | ||
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| code_address: Address # Op.ADDRESS, address scope for program | ||
| code_caller: Address # Op.CALLER, caller of the program | ||
| selfbalance: int # Op.SELFBALANCE, balance of the environment of the program | ||
| ext_balance: int # Op.BALANCE(external) of fixed address deployed in state | ||
| call_value: int # Op.CALLVALUE of call that is done to the program | ||
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| @dataclass | ||
| class ScenarioGeneratorInput: | ||
| """ | ||
| Parameters for the scenario generator function | ||
| Attributes: | ||
| fork (Fork): Fork for which we ask to generate scenarios | ||
| pre (Alloc): Access to the state to be able to deploy contracts into pre | ||
| operation (Bytecode): Evm bytecode program that will be tested | ||
| external_address (Address): Static external address for ext opcodes | ||
| """ | ||
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| fork: Fork | ||
| pre: Alloc | ||
| operation_code: Bytecode | ||
| external_address: Address | ||
| external_balance: int | ||
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| @dataclass | ||
| class Scenario: | ||
| """ | ||
| Describe test scenario that will be run in test for each program | ||
| Attributes: | ||
| name (str): Scenario name for the test vector | ||
| code (Address): Address that is an entry point for scenario code | ||
| env (ScenarioEnvironment): Evm values for ScenarioExpectAddress map | ||
| reverting (bool): If scenario reverts program execution, making result 0 (default: False) | ||
| """ | ||
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| name: str | ||
| code: Address | ||
| env: ScenarioEnvironment | ||
| reverting: bool = False |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| """ | ||
| Scenarios common import | ||
| """ |
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