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Calling FromScript with a script with 2000 consecutive OP_CHECKSIGVERIFY opcodes causes execution to halt due to running out of stack space #14

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practicalswift opened this issue Sep 12, 2019 · 1 comment
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Calling FromScript with a script with 2000 consecutive OP_CHECKSIGVERIFY opcodes causes execution to halt due to running out of stack space #14

practicalswift opened this issue Sep 12, 2019 · 1 comment

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practicalswift commented Sep 12, 2019 •
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Calling FromScript with a script with 2000 consecutive OP_CHECKSIGVERIFY opcodes causes execution to halt due to running out of stack space.

The root cause is the unbounded recursion in Decode, DecodeMulti, DecodeSingle and DecodeWrapped.
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Limit the number of opcodes in FromScript meshcollider/miniscript
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@sipa @practicalswift