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@deanmlittle

deanmlittle/reverse_endianness.forth

Created March 17, 2020 04:16
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Reverse the endianness of a SHA256 hash in Bitcoin script
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reverse_endianness.forth
OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_1 OP_SPLIT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT OP_SWAP OP_CAT
@sirdeggen
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lol damn I just found this thinking "sweet - Dean will have found an optimised version of this" but it's the same as I'm using. Very good sir.

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