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Contract opcodes to compare gas cost for each precompile
Include all test cases and expect precompiles at addresses 01-0A All other cases expect no precompile to exist at the specified address
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|---|---|---|
| @@ -0,0 +1,341 @@ | ||
| import pytest | ||
|
|
||
| from ethereum_test_tools import ( | ||
| Account, | ||
| Alloc, | ||
| Environment, | ||
| StateTestFiller, | ||
| Transaction, | ||
| ) | ||
| from ethereum_test_tools.vm.opcode import Opcodes as Op | ||
|
|
||
|
|
||
| @pytest.mark.parametrize( | ||
| ["address", "exists"], | ||
| [ | ||
| ("01", True), | ||
| ("02", True), | ||
| ("03", True), | ||
| ("04", True), | ||
| ("05", True), | ||
| ("06", True), | ||
| ("07", True), | ||
| ("08", True), | ||
| ("09", True), | ||
| ("0A", True), | ||
| ("0B", False), | ||
| ("0C", False), | ||
| ("0D", False), | ||
| ("0E", False), | ||
| ("0F", False), | ||
| ("10", False), | ||
| ("11", False), | ||
| ("12", False), | ||
| ("13", False), | ||
| ("14", False), | ||
| ("15", False), | ||
| ("16", False), | ||
| ("17", False), | ||
| ("18", False), | ||
| ("19", False), | ||
| ("1A", False), | ||
| ("1B", False), | ||
| ("1C", False), | ||
| ("1D", False), | ||
| ("1E", False), | ||
| ("1F", False), | ||
| ("20", False), | ||
| ("21", False), | ||
| ("22", False), | ||
| ("23", False), | ||
| ("24", False), | ||
| ("25", False), | ||
| ("26", False), | ||
| ("27", False), | ||
| ("28", False), | ||
| ("29", False), | ||
| ("2A", False), | ||
| ("2B", False), | ||
| ("2C", False), | ||
| ("2D", False), | ||
| ("2E", False), | ||
| ("2F", False), | ||
| ("30", False), | ||
| ("31", False), | ||
| ("32", False), | ||
| ("33", False), | ||
| ("34", False), | ||
| ("35", False), | ||
| ("36", False), | ||
| ("37", False), | ||
| ("38", False), | ||
| ("39", False), | ||
| ("3A", False), | ||
| ("3B", False), | ||
| ("3C", False), | ||
| ("3D", False), | ||
| ("3E", False), | ||
| ("3F", False), | ||
| ("40", False), | ||
| ("41", False), | ||
| ("42", False), | ||
| ("43", False), | ||
| ("44", False), | ||
| ("45", False), | ||
| ("46", False), | ||
| ("47", False), | ||
| ("48", False), | ||
| ("49", False), | ||
| ("4A", False), | ||
| ("4B", False), | ||
| ("4C", False), | ||
| ("4D", False), | ||
| ("4E", False), | ||
| ("4F", False), | ||
| ("50", False), | ||
| ("51", False), | ||
| ("52", False), | ||
| ("53", False), | ||
| ("54", False), | ||
| ("55", False), | ||
| ("56", False), | ||
| ("57", False), | ||
| ("58", False), | ||
| ("59", False), | ||
| ("5A", False), | ||
| ("5B", False), | ||
| ("5C", False), | ||
| ("5D", False), | ||
| ("5E", False), | ||
| ("5F", False), | ||
| ("60", False), | ||
| ("61", False), | ||
| ("62", False), | ||
| ("63", False), | ||
| ("64", False), | ||
| ("65", False), | ||
| ("66", False), | ||
| ("67", False), | ||
| ("68", False), | ||
| ("69", False), | ||
| ("6A", False), | ||
| ("6B", False), | ||
| ("6C", False), | ||
| ("6D", False), | ||
| ("6E", False), | ||
| ("6F", False), | ||
| ("70", False), | ||
| ("71", False), | ||
| ("72", False), | ||
| ("73", False), | ||
| ("74", False), | ||
| ("75", False), | ||
| ("76", False), | ||
| ("77", False), | ||
| ("78", False), | ||
| ("79", False), | ||
| ("7A", False), | ||
| ("7B", False), | ||
| ("7C", False), | ||
| ("7D", False), | ||
| ("7E", False), | ||
| ("7F", False), | ||
| ("80", False), | ||
| ("81", False), | ||
| ("82", False), | ||
| ("83", False), | ||
| ("84", False), | ||
| ("85", False), | ||
| ("86", False), | ||
| ("87", False), | ||
| ("88", False), | ||
| ("89", False), | ||
| ("8A", False), | ||
| ("8B", False), | ||
| ("8C", False), | ||
| ("8D", False), | ||
| ("8E", False), | ||
| ("8F", False), | ||
| ("90", False), | ||
| ("91", False), | ||
| ("92", False), | ||
| ("93", False), | ||
| ("94", False), | ||
| ("95", False), | ||
| ("96", False), | ||
| ("97", False), | ||
| ("98", False), | ||
| ("99", False), | ||
| ("9A", False), | ||
| ("9B", False), | ||
| ("9C", False), | ||
| ("9D", False), | ||
| ("9E", False), | ||
| ("9F", False), | ||
| ("A0", False), | ||
| ("A1", False), | ||
| ("A2", False), | ||
| ("A3", False), | ||
| ("A4", False), | ||
| ("A5", False), | ||
| ("A6", False), | ||
| ("A7", False), | ||
| ("A8", False), | ||
| ("A9", False), | ||
| ("AA", False), | ||
| ("AB", False), | ||
| ("AC", False), | ||
| ("AD", False), | ||
| ("AE", False), | ||
| ("AF", False), | ||
| ("B0", False), | ||
| ("B1", False), | ||
| ("B2", False), | ||
| ("B3", False), | ||
| ("B4", False), | ||
| ("B5", False), | ||
| ("B6", False), | ||
| ("B7", False), | ||
| ("B8", False), | ||
| ("B9", False), | ||
| ("BA", False), | ||
| ("BB", False), | ||
| ("BC", False), | ||
| ("BD", False), | ||
| ("BE", False), | ||
| ("BF", False), | ||
| ("C0", False), | ||
| ("C1", False), | ||
| ("C2", False), | ||
| ("C3", False), | ||
| ("C4", False), | ||
| ("C5", False), | ||
| ("C6", False), | ||
| ("C7", False), | ||
| ("C8", False), | ||
| ("C9", False), | ||
| ("CA", False), | ||
| ("CB", False), | ||
| ("CC", False), | ||
| ("CD", False), | ||
| ("CE", False), | ||
| ("CF", False), | ||
| ("D0", False), | ||
| ("D1", False), | ||
| ("D2", False), | ||
| ("D3", False), | ||
| ("D4", False), | ||
| ("D5", False), | ||
| ("D6", False), | ||
| ("D7", False), | ||
| ("D8", False), | ||
| ("D9", False), | ||
| ("DA", False), | ||
| ("DB", False), | ||
| ("DC", False), | ||
| ("DD", False), | ||
| ("DE", False), | ||
| ("DF", False), | ||
| ("E0", False), | ||
| ("E1", False), | ||
| ("E2", False), | ||
| ("E3", False), | ||
| ("E4", False), | ||
| ("E5", False), | ||
| ("E6", False), | ||
| ("E7", False), | ||
| ("E8", False), | ||
| ("E9", False), | ||
| ("EA", False), | ||
| ("EB", False), | ||
| ("EC", False), | ||
| ("ED", False), | ||
| ("EE", False), | ||
| ("EF", False), | ||
| ("F0", False), | ||
| ("F1", False), | ||
| ("F2", False), | ||
| ("F3", False), | ||
| ("F4", False), | ||
| ("F5", False), | ||
| ("F6", False), | ||
| ("F7", False), | ||
| ("F8", False), | ||
| ("F9", False), | ||
| ("FA", False), | ||
| ("FB", False), | ||
| ("FC", False), | ||
| ("FD", False), | ||
| ("FE", False), | ||
| ("FF", False), | ||
| ], | ||
| ) | ||
| def test_precompiles(state_test: StateTestFiller, pre: Alloc, address: str, exists: bool): | ||
| """Test the MODEXP precompile.""" | ||
| env = Environment() | ||
|
|
||
| address_10000 = 0x10000 | ||
|
|
||
| input_buf = 0x1000 | ||
| output_buf = 0x2000 | ||
|
|
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| args_offset = 0x1000 | ||
| args_size = 0x20 | ||
| output_offset = 0x2000 | ||
| output_size = 0x20 | ||
|
|
||
| gas_test = 0x20 | ||
| gas_10000 = 0x40 | ||
|
|
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| account = pre.deploy_contract( | ||
| Op.CALLDATACOPY(0, 0, Op.CALLDATASIZE()) | ||
| + Op.MSTORE(args_size, 0x20) | ||
| + Op.MSTORE(input_buf, 0xFF) | ||
| + Op.MSTORE(output_buf, 0xFF) | ||
| + Op.MSTORE8(input_buf, 0xFF) | ||
| + Op.MSTORE8(output_buf, 0xFF) | ||
| + Op.BALANCE(Op.MLOAD(0)) | ||
| + Op.BALANCE(address_10000) | ||
| + Op.MSTORE(gas_test, Op.GAS()) | ||
| # Setup stack to CALL into precompile with the CALLDATA and CALL into it (+ pop value) | ||
| + Op.CALL( | ||
| address=Op.MLOAD(0), | ||
| args_offset=args_offset, | ||
| args_size=args_size, | ||
| output_offset=output_offset, | ||
| output_size=output_size, | ||
| ) | ||
| + Op.MSTORE(gas_test, (Op.SUB(Op.GAS(), Op.MLOAD(gas_test)))) | ||
| + Op.MSTORE(gas_10000, Op.GAS()) | ||
| + Op.CALL( | ||
| address=address_10000, | ||
| args_offset=args_offset, | ||
| args_size=args_size, | ||
| output_offset=output_offset, | ||
| output_size=output_size, | ||
| ) | ||
| + Op.MSTORE(gas_10000, (Op.SUB(Op.GAS(), Op.MLOAD(gas_10000)))) | ||
| + Op.GT(Op.MLOAD(gas_test), Op.MLOAD(gas_10000)) | ||
| + Op.JUMPI(Op.JUMPDEST(), 0x1) | ||
| + Op.SSTORE(0, Op.SUB(Op.MLOAD(gas_test), Op.MLOAD(gas_10000))) | ||
| + Op.SSTORE(0, Op.LT(Op.SLOAD(gas_test), 0x10)) | ||
| + Op.STOP(), | ||
| ) | ||
|
|
||
| sender = pre.fund_eoa() | ||
|
|
||
| tx = Transaction( | ||
| ty=0x0, | ||
| to=account, | ||
| data=bytes.fromhex(address), | ||
| gas_limit=500000, | ||
| gas_price=10, | ||
| protected=True, | ||
| sender=sender, | ||
| ) | ||
|
|
||
| # A high gas cost will result from calling a precompile | ||
| # Expect 0x00 when a precompile exists at the address, 0x01 otherwise | ||
| post = {account: Account(storage={0: "0x00" if exists else "0x01"})} | ||
|
|
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| state_test(env=env, pre=pre, post=post, tx=tx) |