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Jacek Sieka 768307d91d
Cache code and invalid jump destination tables (fixes #2268) (#2404) 
It is common for many accounts to share the same code - at the database
level, code is stored by hash meaning only one copy exists per unique
program but when loaded in memory, a copy is made for each account.

Further, every time we execute the code, it must be scanned for invalid
jump destinations which slows down EVM exeuction.

Finally, the extcodesize call causes code to be loaded even if only the
size is needed.

This PR improves on all these points by introducing a shared
CodeBytesRef type whose code section is immutable and that can be shared
between accounts. Further, a dedicated `len` API call is added so that
the EXTCODESIZE opcode can operate without polluting the GC and code
cache, for cases where only the size is requested - rocksdb will in this
case cache the code itself in the row cache meaning that lookup of the
code itself remains fast when length is asked for first.

With 16k code entries, there's a 90% hit rate which goes up to 99%
during the 2.3M attack - the cache significantly lowers memory
consumption and execution time not only during this event but across the
board.
 		2024-06-21 09:44:10 +02:00
..
bootstrap config: fix new config based on input from jamie and zahary 2021-09-18 17:34:51 +07:00
customgenesis Enable test_accounts_cache (#2373) 2024-06-17 14:19:12 +02:00
db Added support for namespaces to RocksDb kvstore. (#2066) 2024-03-12 11:04:46 +08:00
fixtures Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
graphql Workaround for 0 gas price estimation (#2180) 2024-05-28 13:36:38 +07:00
keystore implement more eth rpc and keystore management 2020-07-23 14:54:32 +07:00
merge reenable testEngineAPI in test_merge 2022-03-17 12:54:04 +07:00
replay rm PoW hash function and validation support (#2372) 2024-06-16 10:22:06 +07:00
rpc Cleanup stateless and block witness code. (#2295) 2024-06-08 15:05:00 +07:00
test_aristo Fix dboptions init (#2391) 2024-06-19 10:55:57 +02:00
test_beacon Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
test_coredb Coeredb related clean up and maint fixes (#2360) 2024-06-14 11:19:48 +00:00
test_jwt_auth Enable JWT authentication for websockets (#1039) 2022-04-06 15:11:13 +01:00
test_txpool Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
README.md integrate GeneralStateTest runner into CI with 775 running tests (#153) 2018-09-19 16:46:14 +00:00
all_tests.nim Aristo uses pre classified tree types (#2385) 2024-06-18 11:14:02 +00:00
all_tests_macro.nim Cache code and invalid jump destination tables (fixes #2268) (#2404) 2024-06-21 09:44:10 +02:00
asynctest.nim Core db and aristo updates for destructor and tx logic (#1894) 2023-11-16 19:35:03 +00:00
evm_tests.nim Core db and aristo updates for destructor and tx logic (#1894) 2023-11-16 19:35:03 +00:00
macro_assembler.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
nim.cfg import: read from era files (#2254) 2024-05-31 09:13:56 +02:00
persistBlockTestGen.nim Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
test_allowed_to_fail.nim Add t8n debugging tool and fix EVM regression (#2386) 2024-06-19 08:58:08 +07:00
test_aristo.nim Aristo use rocksdb cf instead of key pfx (#2332) 2024-06-10 12:04:22 +00:00
test_block_fixture.nim Core db and aristo updates for destructor and tx logic (#1894) 2023-11-16 19:35:03 +00:00
test_blockchain_json.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_code_stream.nim Cache code and invalid jump destination tables (fixes #2268) (#2404) 2024-06-21 09:44:10 +02:00
test_config.nim Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
test_configuration.nim Cleanup stateless and block witness code. (#2295) 2024-06-08 15:05:00 +07:00
test_coredb.nim Coeredb related clean up and maint fixes (#2360) 2024-06-14 11:19:48 +00:00
test_difficulty.nim Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
test_eip4844.nim Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
test_filters.nim Bump nim-web3 and others 2024-01-14 10:41:23 +07:00
test_forkid.nim Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
test_gas_meter.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_generalstate_json.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_genesis.nim Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
test_getproof_json.nim Remove AccountStateDB (#2368) 2024-06-16 10:21:02 +07:00
test_graphql.nim Bump nim-eth, nim-web3, nimbus-eth2 (#2344) 2024-06-14 14:31:08 +07:00
test_helpers.nim Cache code and invalid jump destination tables (fixes #2268) (#2404) 2024-06-21 09:44:10 +02:00
test_jwt_auth.nim enable JWT auth tests (#2312) 2024-06-07 09:01:45 +07:00
test_ledger.nim Enable test_accounts_cache (#2373) 2024-06-17 14:19:12 +02:00
test_memory.nim Fix lowest-hanging fruit in VM (#2382) 2024-06-18 07:55:35 +07:00
test_merge.nim Culling legacy DB and accounts cache (#2197) 2024-05-20 10:17:51 +00:00
test_misc.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_multi_keys.nim Cleanup stateless and block witness code. (#2295) 2024-06-08 15:05:00 +07:00
test_op_arith.nim Fix styles and reduce compiler warnings (#2086) 2024-03-20 14:35:38 +07:00
test_op_bit.nim Fix styles and reduce compiler warnings (#2086) 2024-03-20 14:35:38 +07:00
test_op_custom.nim Fix styles and reduce compiler warnings (#2086) 2024-03-20 14:35:38 +07:00
test_op_env.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_op_memory.nim Culling legacy DB and accounts cache (#2197) 2024-05-20 10:17:51 +00:00
test_op_misc.nim Fix styles and reduce compiler warnings (#2086) 2024-03-20 14:35:38 +07:00
test_overflow.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_persistblock_json.nim Consolidate block type for block processing (#2325) 2024-06-09 16:32:20 +02:00
test_precompiles.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_rpc.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_rpc_experimental_json.nim Consolidate block type for block processing (#2325) 2024-06-09 16:32:20 +02:00
test_rpc_getproofs_track_state_changes.nim Remove AccountStateDB (#2368) 2024-06-16 10:21:02 +07:00
test_stack.nim Remove exceptions from EVM (#2314) 2024-06-07 15:24:32 +07:00
test_state_db.nim avoid initTable (#2328) 2024-06-10 11:05:30 +02:00
test_tools_build.nim Add t8n debugging tool and fix EVM regression (#2386) 2024-06-19 08:58:08 +07:00
test_tracer_json.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_transaction_json.nim Fix lowest-hanging fruit in VM (#2382) 2024-06-18 07:55:35 +07:00
test_txpool.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00
test_txpool2.nim Fix lowest-hanging fruit in VM (#2382) 2024-06-18 07:55:35 +07:00
test_wire_protocol.nim Add check copyright year linter to CI 2023-11-01 10:41:20 +07:00
tracerTestGen.nim Remove EVM indirect imports and unused EVM errors (#2370) 2024-06-17 09:56:39 +02:00

README.md

tests

TODO: more GeneralStateTest fixtures!