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14 lines
615 B
ReStructuredText
14 lines
615 B
ReStructuredText
*******************
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Layout of Call Data
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*******************
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The input data for a function call is assumed to be in the format defined by the :ref:`ABI
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specification <ABI>`. Among others, the ABI specification requires arguments to be padded to multiples of 32
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bytes. The internal function calls use a different convention.
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Arguments for the constructor of a contract are directly appended at the end of the
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contract's code, also in ABI encoding. The constructor will access them through a hard-coded offset, and
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not by using the ``codesize`` opcode, since this of course changes when appending
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data to the code.
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