def test_decode_contract_call(self):
"""
Uses actual data from:
https://etherscan.io/tx/
0xf7b7196ca9eab6e4fb6e7bce81aeb25a4edf04330e57b3c15bece9d260577e2b
In its simplified form for tests.
"""
json_abi = (
'[{"constant":false,"inputs":[{"name":"_to","type":"address"},{"na'
'me":"_value","type":"uint256"}],"name":"transfer","outputs":[{"na'
'me":"success","type":"bool"}],"payable":false,"type":"function"},'
'{"anonymous":false,"inputs":[{"indexed":true,"name":"BetID","type'
'":"bytes32"},{"indexed":true,"name":"PlayerAddress","type":"addre'
'ss"},{"indexed":true,"name":"RefundValue","type":"uint256"}],"nam'
'e":"LogRefund","type":"event"}]'
)
contract_abi = json.loads(json_abi)
call_data = (
"a9059cbb00000000000000000000000067fa2c06c9c6d4332f330e14a66bdf18"
"73ef3d2b0000000000000000000000000000000000000000000000000de0b6b3"
"a7640000"
)
method_name, args = decode_contract_call(contract_abi, call_data)
assert method_name == "transfer"
assert args == (
"0x67fa2c06c9c6d4332f330e14a66bdf1873ef3d2b",
1000000000000000000,
)
def test_decode_contract_call_callback(self):
"""
Decode `__callback()` method call.
Uses actual data from:
https://etherscan.io/tx/
0xf6d291b2de12db618aafc5fd9f40a37384b4a7ac41d14463a1d707a4f43137c3
In its simplified form for tests.
"""
contract_abi = [
{
"constant": False,
"inputs": [
{"name": "myid", "type": "bytes32"},
{"name": "result", "type": "string"},
],
"name": "__callback",
"outputs": [],
"payable": False,
"stateMutability": "nonpayable",
"type": "function",
},
{
"constant": False,
"inputs": [
{"name": "myid", "type": "bytes32"},
{"name": "result", "type": "string"},
{"name": "proof", "type": "bytes"},
],
"name": "__callback",
"outputs": [],
"payable": False,
"stateMutability": "nonpayable",
"type": "function",
},
]
call_data = (
"38bbfa5010369b11d06269122229ec4088d4bf42fbf629b0d40432ffc40cc638"
"d938f1e800000000000000000000000000000000000000000000000000000000"
"0000006000000000000000000000000000000000000000000000000000000000"
"0000008000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000"
"000000221220ba7237d9ed277fdd4bf2b358049b1c5e971b2bc5fa0edd47b334"
"5d3890e415fc0000000000000000000000000000000000000000000000000000"
"00000000"
)
method_name, args = decode_contract_call(contract_abi, call_data)
assert method_name == "__callback"
myid = bytes.fromhex(
"10369b11d06269122229ec4088d4bf42fbf629b0d40432ffc40cc638d938f1e8"
)
result = ""
proof = bytes.fromhex(
"1220ba7237d9ed277fdd4bf2b358049b1c5e971b2bc5fa0edd47b3345d3890e4"
"15fc"
)
assert args == (myid, result, proof)
def test_decode_contract_call(self):
"""
Uses actual data from:
https://etherscan.io/tx/
0xf7b7196ca9eab6e4fb6e7bce81aeb25a4edf04330e57b3c15bece9d260577e2b
In its simplified form for tests.
"""
json_abi = (
'[{"constant":false,"inputs":[{"name":"_to","type":"address"},{"na'
'me":"_value","type":"uint256"}],"name":"transfer","outputs":[{"na'
'me":"success","type":"bool"}],"payable":false,"type":"function"}]'
)
contract_abi = json.loads(json_abi)
call_data = (
'a9059cbb00000000000000000000000067fa2c06c9c6d4332f330e14a66bdf18'
'73ef3d2b0000000000000000000000000000000000000000000000000de0b6b3'
'a7640000')
method_name, args = decode_contract_call(contract_abi, call_data)
self.assertEqual(method_name, 'transfer')
self.assertEqual(args, ('0x67fa2c06c9c6d4332f330e14a66bdf1873ef3d2b',
1000000000000000000))