add pick-before-use attack example #22
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Jim8y
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Apr 21, 2022
| { | ||
| public static void OnNEP17Payment(UInt160 from, BigInteger amount, object data) | ||
| { | ||
| if (Runtime.CallingScriptHash == NEO.Hash && amount == 1) |
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EntryScritptHash is the hash of the transaction script, then, we might need to manually verify the format of the script. Check the first few bytes mabye?
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Yes. I think gleeder's check is better. It checks every bit in the tx's script.
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