cerc-io/solidity
16
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #5024 from ethereum/abi_types_2

Browse Source 
Add struct->tuple to the Solidity->ABI types table
This commit is contained in:
chriseth 2018-09-20 20:42:27 +02:00 committed by GitHub
commit 9ee213a536
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
docs/abi-spec.rst
View File

@ -78,13 +78,14 @@ Types can be combined to a tuple by enclosing them inside parentheses, separated
It is possible to form tuples of tuples, arrays of tuples and so on. It is also possible to form zero-tuples (where ``n == 0``). It is possible to form tuples of tuples, arrays of tuples and so on. It is also possible to form zero-tuples (where ``n == 0``).
.. note::
Solidity supports all the types presented above with the same names with the exception of tuples. The ABI tuple type is utilised for encoding Solidity ``structs``.
Mapping Solidity to ABI types Mapping Solidity to ABI types
----------------------------- -----------------------------
The following table shows on the left column Solidity types that are not part of the ABI,
and on the right column the ABI type that they map to. Solidity supports all the types presented above with the same names with the
exception of tuples. On the other hand, some Solidity types are not supported
by the ABI. The following table shows on the left column Solidity types that
are not part of the ABI, and on the right column the ABI types that represent
them.
+-------------------------------+-----------------------------------------------------------------------------+ +-------------------------------+-----------------------------------------------------------------------------+
| Solidity | ABI | | Solidity | ABI |
@ -98,6 +99,8 @@ and on the right column the ABI type that they map to.
| |For example, an ``enum`` of 255 values or less is mapped to ``uint8`` and | | |For example, an ``enum`` of 255 values or less is mapped to ``uint8`` and |
| |an ``enum`` of 256 values is mapped to ``uint16``. | | |an ``enum`` of 256 values is mapped to ``uint16``. |
+-------------------------------+-----------------------------------------------------------------------------+ +-------------------------------+-----------------------------------------------------------------------------+
|:ref:`struct<structs>` |``tuple`` |
+-------------------------------+-----------------------------------------------------------------------------+
Formal Specification of the Encoding Formal Specification of the Encoding
==================================== ====================================