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update docs to use pod lang v1 (#268)

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Eduard S. 2025-06-10 15:08:45 +02:00 • committed by GitHub
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41
book/src/customexample.md
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@ -2,27 +2,26 @@
# Ethdos custom predicate, using binary AND and OR: example of a recursive group
```
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(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_base(src_or, src_key, dst_or, dst_key, distance_or, distance_key) = and<
eq(src_or, src_key, dst_or, dst_key),
ValueOf(distance_or, distance_key, 0)
>
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)
)
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_ind_0(src_or, src_key, dst_or, dst_key, distance_or, distance_key) = and<
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])
// 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)
// intermed is a friend of dst
eth_friend(intermed_or, intermed_key, dst_or, dst_key)
>
// intermed is a friend of dst
eth_friend(?intermed_or, ?intermed_key, ?dst_or, ?dst_key)
)
```
This group includes three statements.
@ -31,10 +30,10 @@ When the definition is serialized for hashing, the statements are renamed to SEL
With this renaming and the wildcards, the first of the three definitions becomes:
```
SELF.1( *1, *2, *3, *4, *5, *6 ) = or<
SELF.2( *1, *2, *3, *4, *5, *6 ) ,
SELF.3( *1, *2, *3, *4, *5, *6 )
>
SELF.1(?1, ?2, ?3, ?4, ?5, ?6) = OR(
SELF.2(?1, ?2, ?3, ?4, ?5, ?6)
SELF.3(?1, ?2, ?3, ?4, ?5, ?6)
)
```
and similarly for the other two definitions.