Remove utf-8 string decoding from normalizers #974
Conversation
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I'm a litlte uncomfortable with this change. I think we should instead support the 1x and 2x line concurrently before dropping 1x support entirely. I'm up for being convinced otherwise and I understand that this adds some testing overhead. My concern is that |
dylanjw
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@pipermerriam Updated to add support for eth-abi >=2 without removing support for <2. |
| @@ -140,11 +144,14 @@ def abi_ens_resolver(w3, abi_type, val): | |||
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| BASE_RETURN_NORMALIZERS = [ | |||
| addresses_checksummed, | |||
| decode_abi_strings, | |||
| addresses_checksummed | |||
carver
Jul 30, 2018
Collaborator
style nitpick leave the trailing comma.
style nitpick leave the trailing comma.
| @@ -184,6 +188,9 @@ def test_call_get_string_value(string_contract, call): | |||
| assert result == "Caqalai" | |||
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| @pytest.mark.skipif( | |||
| LooseVersion(eth_abi.__version__) >= LooseVersion("2"), | |||
| reason="eth-abi >=2 does utf-8 string decoding") | |||
| def test_call_read_string_variable(string_contract, call): | |||
| result = call(contract=string_contract, | |||
| contract_function='constValue') | |||
carver
Jul 30, 2018
Collaborator
Maybe add a second test that shows what happens on an ABI decoding error. We should probably do something like capture the eth-abi error and re-raise a generic ValueError.
Maybe add a second test that shows what happens on an ABI decoding error. We should probably do something like capture the eth-abi error and re-raise a generic ValueError.
dylanjw
Jul 30, 2018
Author
Contributor
It raises a 'BadFunctionCallOutput' error
It raises a 'BadFunctionCallOutput' error
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@pipermerriam @carver Ready for another review |
| @@ -19,7 +19,7 @@ | |||
| install_requires=[ | |||
| "toolz>=0.9.0,<1.0.0;implementation_name=='pypy'", | |||
| "cytoolz>=0.9.0,<1.0.0;implementation_name=='cpython'", | |||
| "eth-abi>=1.1.1,<2", | |||
| "eth-abi==2.0.0a1", | |||
carver
Aug 2, 2018
Collaborator
We shouldn't require people to upgrade. We especially shouldn't require people to install an alpha dependency in a stable release. eth-abi>=1.1.1,<3 seems like a reasonable choice
We shouldn't require people to upgrade. We especially shouldn't require people to install an alpha dependency in a stable release. eth-abi>=1.1.1,<3 seems like a reasonable choice
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@pipermerriam @carver Is this good to merge? |
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Yup, good to go! |
What was wrong?
The eth-abi v2 alpha release adds utf-8 string decoding to the string type decoder. String decoding should therefore be removed from web3 return data normalizers.
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