def test_lll_from_s_expression(get_contract_from_lll):
code = """
(seq
(return
0
(lll ; just return 32 byte of calldata back
(seq
(calldatacopy 0 4 32)
(return 0 32)
stop
)
0)))
"""
abi = [{
"name": "test",
"outputs": [{
"type": "int128",
"name": "out"
}],
"inputs": [{
"type": "int128",
"name": "a"
}],
"constant": False,
"payable": False,
"type": "function",
"gas": 394
}]
s_expressions = parse_s_exp(code)
lll = LLLnode.from_list(s_expressions[0])
c = get_contract_from_lll(lll, abi=abi)
assert c.test(-123456) == -123456
def compile_to_lll(input_file, output_formats, show_gas_estimates=False):
with open(input_file) as fh:
s_expressions = parse_s_exp(fh.read())
if show_gas_estimates:
LLLnode.repr_show_gas = True
compiler_data = {}
lll = LLLnode.from_list(s_expressions[0])
if "ir" in output_formats:
compiler_data["ir"] = lll
if "opt_ir" in output_formats:
compiler_data["opt_ir"] = optimizer.optimize(lll)
asm = compile_lll.compile_to_assembly(lll)
if "asm" in output_formats:
compiler_data["asm"] = asm
if "bytecode" in output_formats:
(bytecode, _srcmap) = compile_lll.assembly_to_evm(asm)
compiler_data["bytecode"] = "0x" + bytecode.hex()
return compiler_data