Hex string with non-hex data appended to it accepted as valid hex argument to hash160/ripemd160/hash256/sha256 #25
Description
Hex string with non-hex data appended to it accepted as valid hex argument to hash160/ripemd160/hash256/sha256.
Accepted since 40 chars of hex:
$ ./miniscript <<< "hash160(ffffffffffffffffffffffffffffffffffffffff)"
0 scriptlen=27 maxops=4 type=B safe=no nonmal=yes dissat=yes input=1n output=1 miniscript=hash160(ffffffffffffffffffffffffffffffffffffffff)
Not accepted since 48 chars of hex (we want 40 chars of hex):
$ ./miniscript <<< "hash160(ffffffffffffffffffffffffffffffffffffffffcafebabe)"
Failed to parse as policy or miniscript 'hash160(ffffffffffffffffffffffffffffffffffffffffcafebabe)'
Unexpectedly accepted despite being 48 chars (note the non-hex "z" as the 41:th char):
$ ./miniscript <<< "hash160(ffffffffffffffffffffffffffffffffffffffffzafebabe)"
0 scriptlen=27 maxops=4 type=B safe=no nonmal=yes dissat=yes input=1n output=1 miniscript=hash160(ffffffffffffffffffffffffffffffffffffffffzafebabe)