#include <storage_extension.hpp>

Collaboration diagram for kagome::host_api::StorageExtension:

Public Member Functions
	StorageExtension (std::shared_ptr< runtime::TrieStorageProvider > storage_provider, std::shared_ptr< const runtime::MemoryProvider > memory_provider)

void	reset ()

runtime::WasmSpan	ext_storage_read_version_1 (runtime::WasmSpan key, runtime::WasmSpan value_out, runtime::WasmOffset offset)

void	ext_storage_set_version_1 (runtime::WasmSpan key, runtime::WasmSpan value)

runtime::WasmSpan	ext_storage_get_version_1 (runtime::WasmSpan key)

void	ext_storage_clear_version_1 (runtime::WasmSpan key_data)

runtime::WasmSize	ext_storage_exists_version_1 (runtime::WasmSpan key_data) const

void	ext_storage_clear_prefix_version_1 (runtime::WasmSpan prefix)

runtime::WasmSpan	ext_storage_clear_prefix_version_2 (runtime::WasmSpan prefix, runtime::WasmSpan limit)

runtime::WasmSpan	ext_storage_root_version_1 ()

runtime::WasmSpan	ext_storage_root_version_2 (runtime::WasmI32 state_version)

runtime::WasmSpan	ext_storage_changes_root_version_1 (runtime::WasmSpan parent_hash)

runtime::WasmSpan	ext_storage_next_key_version_1 (runtime::WasmSpan key) const

void	ext_storage_append_version_1 (runtime::WasmSpan key, runtime::WasmSpan value) const

void	ext_storage_start_transaction_version_1 ()

void	ext_storage_commit_transaction_version_1 ()

void	ext_storage_rollback_transaction_version_1 ()

runtime::WasmPointer	ext_trie_blake2_256_root_version_1 (runtime::WasmSpan values_data)

runtime::WasmPointer	ext_trie_blake2_256_ordered_root_version_1 (runtime::WasmSpan values_data)

runtime::WasmPointer	ext_trie_blake2_256_ordered_root_version_2 (runtime::WasmSpan values_data, runtime::WasmI32 state_version)

Private Member Functions
outcome::result< std::optional< common::BufferConstRef > >	get (const common::BufferView &key) const

common::Buffer	loadKey (runtime::WasmSpan key) const

outcome::result< std::optional< common::Buffer > >	getStorageNextKey (const common::Buffer &key) const

runtime::WasmSpan	clearPrefix (common::BufferView prefix, std::optional< uint32_t > limit)

void	removeEmptyChildStorages ()

Private Attributes
std::shared_ptr< runtime::TrieStorageProvider >	storage_provider_

std::shared_ptr< const runtime::MemoryProvider >	memory_provider_

storage::trie::PolkadotCodec	codec_

log::Logger	logger_

Static Private Attributes
static constexpr auto	kDefaultLoggerTag = "WASM Runtime [StorageExtension]"

Detailed Description

Implements HostApi functions related to storage

Definition at line 24 of file storage_extension.hpp.

Constructor & Destructor Documentation

kagome::host_api::StorageExtension::StorageExtension	(	std::shared_ptr< runtime::TrieStorageProvider >	storage_provider,
		std::shared_ptr< const runtime::MemoryProvider >	memory_provider
	)

Definition at line 41 of file storage_extension.cpp.

Member Function Documentation

runtime::WasmSpan kagome::host_api::StorageExtension::clearPrefix	(	common::BufferView	prefix,
		std::optional< uint32_t >	limit
	)

private

Definition at line 439 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::ext_storage_append_version_1	(	runtime::WasmSpan	key,
		runtime::WasmSpan	value
	)		const

See also: HostApi::ext_storage_append_version_1

Definition at line 286 of file storage_extension.cpp.

runtime::WasmSpan kagome::host_api::StorageExtension::ext_storage_changes_root_version_1 ( runtime::WasmSpan parent_hash )

See also: HostApi::ext_storage_changes_root_version_1

Definition at line 250 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::ext_storage_clear_prefix_version_1 ( runtime::WasmSpan prefix )

See also: HostApi::ext_storage_clear_prefix_version_1

Definition at line 190 of file storage_extension.cpp.

runtime::WasmSpan kagome::host_api::StorageExtension::ext_storage_clear_prefix_version_2	(	runtime::WasmSpan	prefix,
		runtime::WasmSpan	limit
	)

See also: HostApi::ext_storage_clear_prefix_version_2

Definition at line 199 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::ext_storage_clear_version_1 ( runtime::WasmSpan key_data )

See also: HostApi::ext_storage_clear_version_1

Definition at line 163 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::ext_storage_commit_transaction_version_1 ( )

See also: HostApi::ext_storage_commit_transaction_version_1

Definition at line 326 of file storage_extension.cpp.

runtime::WasmSize kagome::host_api::StorageExtension::ext_storage_exists_version_1 ( runtime::WasmSpan key_data ) const

See also: HostApi::ext_storage_exists_version_1

Definition at line 180 of file storage_extension.cpp.

runtime::WasmSpan kagome::host_api::StorageExtension::ext_storage_get_version_1 ( runtime::WasmSpan key )

See also: HostApi::ext_storage_get_version_1

Definition at line 140 of file storage_extension.cpp.

runtime::WasmSpan kagome::host_api::StorageExtension::ext_storage_next_key_version_1 ( runtime::WasmSpan key ) const

See also: HostApi::ext_storage_next_key

Definition at line 257 of file storage_extension.cpp.

runtime::WasmSpan kagome::host_api::StorageExtension::ext_storage_read_version_1	(	runtime::WasmSpan	key,
		runtime::WasmSpan	value_out,
		runtime::WasmOffset	offset
	)

See also: HostApi::ext_storage_read_version_1

Definition at line 68 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::ext_storage_rollback_transaction_version_1 ( )

See also: HostApi::ext_storage_rollback_transaction_version_1

Definition at line 336 of file storage_extension.cpp.

runtime::WasmSpan kagome::host_api::StorageExtension::ext_storage_root_version_1 ( )

See also: HostApi::ext_storage_root_version_1

Definition at line 224 of file storage_extension.cpp.

runtime::WasmSpan kagome::host_api::StorageExtension::ext_storage_root_version_2 ( runtime::WasmI32 state_version )

See also: HostApi::ext_storage_root_version_2

Definition at line 228 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::ext_storage_set_version_1	(	runtime::WasmSpan	key,
		runtime::WasmSpan	value
	)

See also: HostApi::ext_storage_set_version_1

Definition at line 121 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::ext_storage_start_transaction_version_1 ( )

See also: HostApi::ext_storage_start_transaction_version_1

Definition at line 317 of file storage_extension.cpp.

runtime::WasmPointer kagome::host_api::StorageExtension::ext_trie_blake2_256_ordered_root_version_1 ( runtime::WasmSpan values_data )

See also: HostApi::ext_trie_blake2_256_ordered_root_version_1

Definition at line 405 of file storage_extension.cpp.

runtime::WasmPointer kagome::host_api::StorageExtension::ext_trie_blake2_256_ordered_root_version_2	(	runtime::WasmSpan	values_data,
		runtime::WasmI32	state_version
	)

See also: HostApi::ext_trie_blake2_256_ordered_root_version_2

Definition at line 412 of file storage_extension.cpp.

runtime::WasmPointer kagome::host_api::StorageExtension::ext_trie_blake2_256_root_version_1 ( runtime::WasmSpan values_data )

See also: HostApi::ext_trie_blake2_256_root_version_1

Definition at line 359 of file storage_extension.cpp.

outcome::result< std::optional< common::BufferConstRef > > kagome::host_api::StorageExtension::get ( const common::BufferView & key ) const

private

Find the value by given key and the return the part of it starting from given offset

Parameters

key	Buffer representation of the key

Returns: result containing Buffer with the value

Definition at line 101 of file storage_extension.cpp.

outcome::result< std::optional< Buffer > > kagome::host_api::StorageExtension::getStorageNextKey ( const common::Buffer & key ) const

private

Returns: error if any, a key if the next key exists none otherwise

Definition at line 113 of file storage_extension.cpp.

common::Buffer kagome::host_api::StorageExtension::loadKey ( runtime::WasmSpan key ) const

private

Read key in form of [ptr; size] and load its value from memory into buffer

Parameters

key	representation by [ptr; size]

Returns: result containing Buffer with the key

Definition at line 107 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::removeEmptyChildStorages ( )

private

Removes all empty child storages from the primary storage. Such cleanup is required for the correct storage root calculation.

Definition at line 462 of file storage_extension.cpp.

void kagome::host_api::StorageExtension::reset ( )

Definition at line 51 of file storage_extension.cpp.

Member Data Documentation

storage::trie::PolkadotCodec kagome::host_api::StorageExtension::codec_

private

Definition at line 175 of file storage_extension.hpp.

constexpr auto kagome::host_api::StorageExtension::kDefaultLoggerTag = "WASM Runtime [StorageExtension]"

staticprivate

Definition at line 178 of file storage_extension.hpp.

log::Logger kagome::host_api::StorageExtension::logger_

private

Definition at line 176 of file storage_extension.hpp.

std::shared_ptr<const runtime::MemoryProvider> kagome::host_api::StorageExtension::memory_provider_

private

Definition at line 174 of file storage_extension.hpp.

std::shared_ptr<runtime::TrieStorageProvider> kagome::host_api::StorageExtension::storage_provider_

private

Definition at line 173 of file storage_extension.hpp.

The documentation for this class was generated from the following files:

core/host_api/impl/storage_extension.hpp
core/host_api/impl/storage_extension.cpp

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation