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34ef577604
This change replaces all include guards in the `src/` and `include/` directories by `#pragma once`.
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
#pragma once
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#include <xrpl/basics/hardened_hash.h>
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#include <xrpl/basics/partitioned_unordered_map.h>
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#include <xrpl/beast/hash/hash_append.h>
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#include <xrpl/beast/hash/uhash.h>
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#include <xrpl/beast/hash/xxhasher.h>
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#include <unordered_map>
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#include <unordered_set>
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/**
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* Use hash_* containers for keys that do not need a cryptographically secure
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* hashing algorithm.
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*
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* Use hardened_hash_* containers for keys that do need a secure hashing
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* algorithm.
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*
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* The cryptographic security of containers where a hash function is used as a
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* template parameter depends entirely on that hash function and not at all on
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* what container it is.
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*/
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namespace xrpl {
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// hash containers
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template <
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class Key,
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class Value,
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class Hash = beast::uhash<>,
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class Pred = std::equal_to<Key>,
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class Allocator = std::allocator<std::pair<Key const, Value>>>
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using hash_map = std::unordered_map<Key, Value, Hash, Pred, Allocator>;
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template <
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class Key,
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class Value,
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class Hash = beast::uhash<>,
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class Pred = std::equal_to<Key>,
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class Allocator = std::allocator<std::pair<Key const, Value>>>
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using hash_multimap = std::unordered_multimap<Key, Value, Hash, Pred, Allocator>;
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template <
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class Value,
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class Hash = beast::uhash<>,
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class Pred = std::equal_to<Value>,
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class Allocator = std::allocator<Value>>
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using hash_set = std::unordered_set<Value, Hash, Pred, Allocator>;
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template <
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class Value,
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class Hash = beast::uhash<>,
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class Pred = std::equal_to<Value>,
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class Allocator = std::allocator<Value>>
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using hash_multiset = std::unordered_multiset<Value, Hash, Pred, Allocator>;
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// hardened_hash containers
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using strong_hash = beast::xxhasher;
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template <
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class Key,
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class Value,
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class Hash = hardened_hash<strong_hash>,
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class Pred = std::equal_to<Key>,
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class Allocator = std::allocator<std::pair<Key const, Value>>>
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using hardened_hash_map = std::unordered_map<Key, Value, Hash, Pred, Allocator>;
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template <
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class Key,
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class Value,
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class Hash = hardened_hash<strong_hash>,
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class Pred = std::equal_to<Key>,
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class Allocator = std::allocator<std::pair<Key const, Value>>>
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using hardened_partitioned_hash_map = partitioned_unordered_map<Key, Value, Hash, Pred, Allocator>;
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template <
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class Key,
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class Value,
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class Hash = hardened_hash<strong_hash>,
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class Pred = std::equal_to<Key>,
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class Allocator = std::allocator<std::pair<Key const, Value>>>
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using hardened_hash_multimap = std::unordered_multimap<Key, Value, Hash, Pred, Allocator>;
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template <
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class Value,
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class Hash = hardened_hash<strong_hash>,
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class Pred = std::equal_to<Value>,
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class Allocator = std::allocator<Value>>
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using hardened_hash_set = std::unordered_set<Value, Hash, Pred, Allocator>;
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template <
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class Value,
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class Hash = hardened_hash<strong_hash>,
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class Pred = std::equal_to<Value>,
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class Allocator = std::allocator<Value>>
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using hardened_hash_multiset = std::unordered_multiset<Value, Hash, Pred, Allocator>;
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} // namespace xrpl
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