Cody Tapscott 7b72fc6bbc Add abi_size parameter to read/writeTwosComplement
Big-int functions were updated to respect the provided abi_size, rather
than inferring a potentially incorrect abi_size implicitly.

In combination with the convention that any required padding bits are
added on the MSB end, this means that exotic integers can potentially
have a well-defined memory layout.
2022-02-13 13:26:59 -07:00
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