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Tadeo hepperle
2023-12-01 17:16:08 +01:00
parent 19207cfe68
commit 43cdde5034
1 changed files with 21 additions and 45 deletions
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metadata/src/utils/validation.rs
+21 -45
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@@ -245,13 +245,13 @@ fn get_extrinsic_hash(
initial_cache: Option<&mut HashMap<u32, CachedHash>>,
) -> [u8; HASH_LEN] {
let empty = &mut HashMap::new();
let mut cache = initial_cache.unwrap_or_else(|| empty);
let cache = initial_cache.unwrap_or(empty);
// Get the hashes of the extrinsic type.
let address_hash = get_type_hash(registry, extrinsic.address_ty, &mut cache);
let address_hash = get_type_hash(registry, extrinsic.address_ty, cache);
// The `RuntimeCall` type is intentionally omitted and hashed by the outer enums instead.
let signature_hash = get_type_hash(registry, extrinsic.signature_ty, &mut cache);
let extra_hash = get_type_hash(registry, extrinsic.extra_ty, &mut cache);
let signature_hash = get_type_hash(registry, extrinsic.signature_ty, cache);
let extra_hash = get_type_hash(registry, extrinsic.extra_ty, cache);
let mut bytes = concat_and_hash4(
&address_hash,
@@ -264,8 +264,8 @@ fn get_extrinsic_hash(
bytes = concat_and_hash4(
&bytes,
&hash(signed_extension.identifier.as_bytes()),
&get_type_hash(registry, signed_extension.extra_ty, &mut cache),
&get_type_hash(registry, signed_extension.additional_ty, &mut cache),
&get_type_hash(registry, signed_extension.extra_ty, cache),
&get_type_hash(registry, signed_extension.additional_ty, cache),
)
}
bytes
@@ -305,26 +305,11 @@ fn get_outer_enums_hash(
}
let empty = &mut HashMap::new();
let mut cache = cache.unwrap_or_else(|| empty);
let cache = cache.unwrap_or(empty);
let call_hash = get_enum_hash(
registry,
enums.call_enum_ty,
only_these_variants,
&mut cache,
);
let event_hash = get_enum_hash(
registry,
enums.event_enum_ty,
only_these_variants,
&mut cache,
);
let error_hash = get_enum_hash(
registry,
enums.error_enum_ty,
only_these_variants,
&mut cache,
);
let call_hash = get_enum_hash(registry, enums.call_enum_ty, only_these_variants, cache);
let event_hash = get_enum_hash(registry, enums.event_enum_ty, only_these_variants, cache);
let error_hash = get_enum_hash(registry, enums.error_enum_ty, only_these_variants, cache);
concat_and_hash3(&call_hash, &event_hash, &error_hash)
}
@@ -404,7 +389,7 @@ pub fn get_runtime_trait_hash(
cache: Option<&mut HashMap<u32, CachedHash>>,
) -> [u8; HASH_LEN] {
let empty = &mut HashMap::new();
let mut cache = cache.unwrap_or_else(|| empty);
let cache = cache.unwrap_or(empty);
let trait_name = &*trait_metadata.inner.name;
let method_bytes = trait_metadata
@@ -416,12 +401,7 @@ pub fn get_runtime_trait_hash(
// so long as each individual method is the same.
xor(
bytes,
get_runtime_method_hash(
trait_metadata.types,
trait_name,
method_metadata,
&mut cache,
),
get_runtime_method_hash(trait_metadata.types, trait_name, method_metadata, cache),
)
});
@@ -437,12 +417,12 @@ pub fn get_custom_metadata_hash(
cache: Option<&mut HashMap<u32, CachedHash>>,
) -> [u8; HASH_LEN] {
let empty = &mut HashMap::new();
let mut cache = cache.unwrap_or_else(|| empty);
let cache = cache.unwrap_or(empty);
custom_metadata
.iter()
.fold([0u8; HASH_LEN], |bytes, custom_value| {
xor(bytes, get_custom_value_hash(&custom_value, &mut cache))
xor(bytes, get_custom_value_hash(&custom_value, cache))
})
}
@@ -516,23 +496,20 @@ pub fn get_pallet_hash(
cache: Option<&mut HashMap<u32, CachedHash>>,
) -> [u8; HASH_LEN] {
let empty = &mut HashMap::new();
let mut cache = cache.unwrap_or_else(|| empty);
let cache = cache.unwrap_or(empty);
let registry = pallet.types;
let call_bytes = match pallet.call_ty_id() {
Some(calls) => {
get_type_hash(registry, calls, &mut cache)
},
Some(calls) => get_type_hash(registry, calls, cache),
None => [0u8; HASH_LEN],
};
let event_bytes = match pallet.event_ty_id() {
Some(event) => get_type_hash(registry, event, &mut cache),
Some(event) => get_type_hash(registry, event, cache),
None => [0u8; HASH_LEN],
};
let error_bytes = match pallet.error_ty_id() {
Some(error) => get_type_hash(registry, error, &mut cache),
Some(error) => get_type_hash(registry, error, cache),
None => [0u8; HASH_LEN],
};
let constant_bytes = pallet.constants().fold([0u8; HASH_LEN], |bytes, constant| {
@@ -540,7 +517,7 @@ pub fn get_pallet_hash(
// of (constantName, constantType) to make the order we see them irrelevant.
let constant_hash = concat_and_hash2(
&hash(constant.name.as_bytes()),
&get_type_hash(registry, constant.ty(), &mut cache),
&get_type_hash(registry, constant.ty(), cache),
);
xor(bytes, constant_hash)
});
@@ -553,7 +530,7 @@ pub fn get_pallet_hash(
.fold([0u8; HASH_LEN], |bytes, entry| {
// We don't care what order the storage entries occur in, so XOR them together
// to make the order irrelevant.
xor(bytes, get_storage_entry_hash(registry, entry, &mut cache))
xor(bytes, get_storage_entry_hash(registry, entry, cache))
});
concat_and_hash2(&prefix_hash, &entries_hash)
}
@@ -1272,8 +1249,7 @@ mod tests {
let hash = MetadataHasher::new(&metadata)
.only_these_pallets(&["First"])
.hash();
let hash_trimmed = MetadataHasher::new(&trimmed_metadata)
.hash();
let hash_trimmed = MetadataHasher::new(&trimmed_metadata).hash();
assert_eq!(hash, hash_trimmed);
}