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Wildcards without the ? prefix (#422)

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Andrew Twyman 2025-09-12 13:08:17 -07:00 • committed by GitHub
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16
book/src/customexample.md
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@ -3,24 +3,24 @@
```
eth_dos_distance(src_or, src_key, dst_or, dst_key, distance_or, distance_key) = OR(
eth_dos_distance_ind_0(?src_or, ?src_key, ?dst_or, ?dst_key, ?distance_or, ?distance_key),
eth_dos_distance_base(?src_or, ?src_key, ?dst_or, ?dst_key, ?distance_or, ?distance_key)
eth_dos_distance_ind_0(src_or, src_key, dst_or, dst_key, distance_or, distance_key),
eth_dos_distance_base(src_or, src_key, dst_or, dst_key, distance_or, distance_key)
)
eth_dos_distance_base(src_or, src_key, dst_or, dst_key, distance_or, distance_key) = AND(
Equal(?src_or[?src_key], ?dst_or[?dst_key]),
ValueOf(?distance_or[?distance_key], 0)
Equal(src_or[src_key], dst_or[dst_key]),
ValueOf(distance_or[distance_key], 0)
)
eth_dos_distance_ind_0(src_or, src_key, dst_or, dst_key, distance_or, distance_key, private: intermed_or, intermed_key, shorter_distance_or, shorter_distance_key, one_or, one_key) = AND(
eth_dos_distance(?src_or, ?src_key, ?intermed_or, ?intermed_key, ?shorter_distance_or, ?shorter_distance_key)
eth_dos_distance(src_or, src_key, intermed_or, intermed_key, shorter_distance_or, shorter_distance_key)
// distance == shorter_distance + 1
ValueOf(?one_or[?one_key], 1)
SumOf(?distance_or[?distance_key], ?shorter_distance_or[?shorter_distance_key], ?one_or[?one_key])
ValueOf(one_or[one_key], 1)
SumOf(distance_or[distance_key], shorter_distance_or[shorter_distance_key], one_or[one_key])
// intermed is a friend of dst
eth_friend(?intermed_or, ?intermed_key, ?dst_or, ?dst_key)
eth_friend(intermed_or, intermed_key, dst_or, dst_key)
)
```