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Merge pull request #9517 from ethereum/documentMappings

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Document encoding of mappings in library calls.
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chriseth 2020-08-06 16:43:17 +02:00 committed by GitHub
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docs/contracts/libraries.rst
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@ -229,7 +229,9 @@ The following identifiers are used for the types in the signatures:
- Non-storage array types follow the same convention as in the contract ABI, i.e. ``<type>[]`` for dynamic arrays and - Non-storage array types follow the same convention as in the contract ABI, i.e. ``<type>[]`` for dynamic arrays and
``<type>[M]`` for fixed-size arrays of ``M`` elements. ``<type>[M]`` for fixed-size arrays of ``M`` elements.
- Non-storage structs are referred to by their fully qualified name, i.e. ``C.S`` for ``contract C { struct S { ... } }``. - Non-storage structs are referred to by their fully qualified name, i.e. ``C.S`` for ``contract C { struct S { ... } }``.
- Storage pointer types use the type identifier of their corresponding non-storage type, but append a single space - Storage pointer mappings use ``mapping(<keyType> => <valueType>) storage`` where ``<keyType>`` and ``<valueType>`` are
the identifiers for the key and value types of the mapping, respectively.
- Other storage pointer types use the type identifier of their corresponding non-storage type, but append a single space
followed by ``storage`` to it. followed by ``storage`` to it.
The argument encoding is the same as for the regular contract ABI, except for storage pointers, which are encoded as a The argument encoding is the same as for the regular contract ABI, except for storage pointers, which are encoded as a