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updated abi-spec.rst

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Lokesh Kumar 2023-02-01 03:12:03 +05:30 committed by GitHub
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@ -311,7 +311,7 @@ Use of Dynamic Types
A call to a function with the signature ``f(uint256,uint32[],bytes10,bytes)`` with values A call to a function with the signature ``f(uint256,uint32[],bytes10,bytes)`` with values
``(0x123, [0x456, 0x789], "1234567890", "Hello, world!")`` is encoded in the following way: ``(0x123, [0x456, 0x789], "1234567890", "Hello, world!")`` is encoded in the following way:
We take the first four bytes of ``sha3("f(uint256,uint32[],bytes10,bytes)")``, i.e. ``0x8be65246``. We take the first four bytes of ``keccak("f(uint256,uint32[],bytes10,bytes)")``, i.e. ``0x8be65246``.
Then we encode the head parts of all four arguments. For the static types ``uint256`` and ``bytes10``, Then we encode the head parts of all four arguments. For the static types ``uint256`` and ``bytes10``,
these are directly the values we want to pass, whereas for the dynamic types ``uint32[]`` and ``bytes``, these are directly the values we want to pass, whereas for the dynamic types ``uint32[]`` and ``bytes``,
we use the offset in bytes to the start of their data area, measured from the start of the value we use the offset in bytes to the start of their data area, measured from the start of the value