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Add strict encoding mode to the ABI spec #3047

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Oct 17, 2018
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Add strict encoding mode to the ABI spec #3047

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11 changes: 11 additions & 0 deletions docs/abi-spec.rst
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Expand Up @@ -556,6 +556,17 @@ would result in the JSON:

.. _abi_packed_mode:

Strict Encoding Mode
====================

Strict encoding mode is the mode that leads to exactly the same encoding as defined in the formal specification above.
This means offsets have to be as small as possible while still not creating overlaps in the data areas and thus no gaps are
allowed.

Usually, ABI decoders are written in a straigthforward way just following offset pointers, but some decoders
might enforce strict mode. The Solidity ABI decoder currently does not enforce strict mode, but the encoder
always creates data in strict mode.

Non-standard Packed Mode
========================

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