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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| """test `CALLDATACOPY` opcode.""" | ||
|
|
||
| from re import M | ||
|
|
||
| import pytest | ||
|
|
||
| from ethereum_test_forks import Fork | ||
| from ethereum_test_forks.forks.forks import Byzantium | ||
| from ethereum_test_tools import Account, Alloc, Bytecode, StateTestFiller, Transaction | ||
| from ethereum_test_tools.vm.opcode import Opcodes as Op | ||
|
|
||
|
|
||
| # @pytest.mark.valid_from("Byzantium") | ||
| @pytest.mark.parametrize( | ||
| "code,tx_data,code_address_storage,to_address_storage", | ||
| [ | ||
| ( | ||
| ( | ||
| Op.CALLDATACOPY(dest_offset=0, offset=1, size=2) | ||
| + Op.SSTORE(key=0x0, value=Op.MLOAD(offset=0)) | ||
| + Op.RETURN(offset=0, size=Op.MSIZE) | ||
| ), | ||
| b"\x00", | ||
| Account( | ||
| storage={0x00: 0x3456000000000000000000000000000000000000000000000000000000000000} | ||
| ), | ||
| Account( | ||
| storage={0x00: 0x3456000000000000000000000000000000000000000000000000000000000000} | ||
| ), | ||
| ), | ||
| ( | ||
| ( | ||
| Op.CALLDATACOPY(dest_offset=0, offset=1, size=1) | ||
| + Op.SSTORE(key=0x0, value=Op.MLOAD(offset=0)) | ||
| + Op.RETURN(offset=0, size=Op.MSIZE) | ||
| ), | ||
| b"\x01", | ||
| Account( | ||
| storage={0x00: 0x3400000000000000000000000000000000000000000000000000000000000000}, | ||
| ), | ||
| Account( | ||
| storage={0x00: 0x3400000000000000000000000000000000000000000000000000000000000000}, | ||
| ), | ||
| ), | ||
| ( | ||
| ( | ||
| Op.CALLDATACOPY(dest_offset=0, offset=1, size=0) | ||
| + Op.SSTORE(key=0x0, value=Op.MLOAD(offset=0)) | ||
| + Op.RETURN(offset=0, size=Op.MSIZE) | ||
| ), | ||
| b"\x02", | ||
| Account( | ||
| storage={0x00: 0x00}, | ||
| ), | ||
| Account( | ||
| storage={0x00: 0x00}, | ||
| ), | ||
| ), | ||
| ( | ||
| ( | ||
| Op.CALLDATACOPY(dest_offset=0, offset=0, size=0) | ||
| + Op.SSTORE(key=0x0, value=Op.MLOAD(offset=0)) | ||
| + Op.RETURN(offset=0, size=Op.MSIZE) | ||
| ), | ||
| b"\x03", | ||
| Account( | ||
| storage={0x00: 0x00}, | ||
| ), | ||
| Account( | ||
| storage={0x00: 0x00}, | ||
| ), | ||
| ), | ||
| ( | ||
| ( | ||
| Op.CALLDATACOPY( | ||
| dest_offset=0, | ||
| offset=0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA, | ||
| size=0xFF, | ||
| ) | ||
| + Op.SSTORE(key=0x0, value=Op.MLOAD(offset=0)) | ||
| + Op.RETURN(offset=0, size=Op.MSIZE) | ||
| ), | ||
| b"\x04", | ||
| Account(storage={0x00: 0x00}), | ||
| Account(storage={0x00: 0x00}), | ||
| ), | ||
| ( | ||
| ( | ||
| Op.CALLDATACOPY( | ||
| dest_offset=0, | ||
| offset=0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA, | ||
| size=0x9, | ||
| ) | ||
| + Op.SSTORE(key=0x0, value=Op.MLOAD(offset=0)) | ||
| + Op.RETURN(offset=0, size=Op.MSIZE) | ||
| ), | ||
| b"\x05", | ||
| Account(storage={0x00: 0x00}), | ||
| Account(storage={0x00: 0x00}), | ||
| ), | ||
| ( | ||
| (Op.SSTORE(key=0x1, value=0x1) + Op.PUSH1[0x1] + Op.PUSH1[0x2] + Op.CALLDATACOPY), | ||
| b"\x10", | ||
| Account(storage={0x01: 0x00}), | ||
| None, | ||
| ), | ||
| ( | ||
| ( | ||
| Op.JUMP(pc=0x5) | ||
| + Op.JUMPDEST | ||
| + Op.STOP | ||
| + Op.JUMPDEST | ||
| + Op.MSTORE8(offset=0x1F, value=0x42) | ||
| + Op.CALLDATACOPY(dest_offset=0x1F, offset=0x0, size=0x103) | ||
| + Op.MLOAD(offset=0x0) | ||
| + Op.DUP1 | ||
| + Op.PUSH1[0x60] | ||
| + Op.JUMPI(pc=0x3, condition=Op.EQ) | ||
| + Op.SSTORE(key=0xFF, value=0xBADC0FFEE) | ||
| ), | ||
| b"\x11", | ||
| Account(storage={0xFF: 0xBADC0FFEE}), | ||
| None, | ||
| ), | ||
| ], | ||
| ids=[ | ||
| "cdc 0 1 2", | ||
| "cdc 0 1 1", | ||
| "cdc 0 1 0", | ||
| "cdc 0 0 0", | ||
| "cdc 0 neg6 ff", | ||
| "cdc 0 neg6 9", | ||
| "underflow", | ||
| "sec", | ||
| ], | ||
| ) | ||
| def test_calldatacopy( | ||
| state_test: StateTestFiller, | ||
| code: Bytecode, | ||
| fork: Fork, | ||
| tx_data: bytes, | ||
| pre: Alloc, | ||
| code_address_storage: Account, | ||
| to_address_storage: Account | None, | ||
| ): | ||
| """ | ||
| Test `CALLDATACOPY` opcode. | ||
| Based on https://github.com/ethereum/tests/blob/ae4791077e8fcf716136e70fe8392f1a1f1495fb/src/GeneralStateTestsFiller/VMTests/vmTests/calldatacopyFiller.ym | ||
| """ | ||
| code_address = pre.deploy_contract(code) | ||
| to = pre.deploy_contract( | ||
| code=( | ||
| Op.MSTORE(offset=0x0, value=0x1234567890ABCDEF01234567890ABCDEF0) | ||
| + Op.CALL( | ||
| 0xFFFFFF, Op.ADD(0x1000, Op.CALLDATALOAD(offset=0x4)), 0x0, 0xF, 0x10, 0x20, 0x40 | ||
| ) | ||
| + Op.POP | ||
| + Op.SSTORE(key=0x0, value=Op.MLOAD(offset=0x20)) | ||
| + Op.SSTORE(key=0x1, value=Op.MLOAD(offset=0x40)) | ||
| + Op.STOP | ||
| ), | ||
| nonce=0, | ||
| ) | ||
|
|
||
| tx = Transaction( | ||
| data=tx_data, | ||
| gas_limit=0x100_000, | ||
| gas_price=0x0A, | ||
| protected=fork >= Byzantium, | ||
| sender=pre.fund_eoa(), | ||
| to=to, | ||
| value=0x01, | ||
| ) | ||
| if to_address_storage: | ||
| post = {code_address: code_address_storage, to: to_address_storage} | ||
| else: | ||
| post = {code_address: code_address_storage} | ||
| state_test(pre=pre, post=post, tx=tx) |