2019-02-01 09:25:10 +00:00
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# Nimbus
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Core db and aristo updates for destructor and tx logic (#1894)
* Disable `TransactionID` related functions from `state_db.nim`
why:
Functions `getCommittedStorage()` and `updateOriginalRoot()` from
the `state_db` module are nowhere used. The emulation of a legacy
`TransactionID` type functionality is administratively expensive to
provide by `Aristo` (the legacy DB version is only partially
implemented, anyway).
As there is no other place where `TransactionID`s are used, they will
not be provided by the `Aristo` variant of the `CoreDb`. For the
legacy DB API, nothing will change.
* Fix copyright headers in source code
* Get rid of compiler warning
* Update Aristo code, remove unused `merge()` variant, export `hashify()`
why:
Adapt to upcoming `CoreDb` wrapper
* Remove synced tx feature from `Aristo`
why:
+ This feature allowed to synchronise transaction methods like begin,
commit, and rollback for a group of descriptors.
+ The feature is over engineered and not needed for `CoreDb`, neither
is it complete (some convergence features missing.)
* Add debugging helpers to `Kvt`
also:
Update database iterator, add count variable yield argument similar
to `Aristo`.
* Provide optional destructors for `CoreDb` API
why;
For the upcoming Aristo wrapper, this allows to control when certain
smart destruction and update can take place. The auto destructor works
fine in general when the storage/cache strategy is known and acceptable
when creating descriptors.
* Add update option for `CoreDb` API function `hash()`
why;
The hash function is typically used to get the state root of the MPT.
Due to lazy hashing, this might be not available on the `Aristo` DB.
So the `update` function asks for re-hashing the gurrent state changes
if needed.
* Update API tracking log mode: `info` => `debug
* Use shared `Kvt` descriptor in new Ledger API
why:
No need to create a new descriptor all the time
2023-11-16 19:35:03 +00:00
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# Copyright (c) 2018-2023 Status Research & Development GmbH
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2019-02-01 09:25:10 +00:00
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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2023-06-12 04:29:03 +00:00
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import
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2023-08-04 11:10:09 +00:00
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eth/trie/trie_defs,
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stew/[byteutils, endians2],
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2023-06-12 04:29:03 +00:00
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unittest2,
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2023-08-04 11:10:09 +00:00
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../nimbus/db/state_db
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2019-02-01 09:25:10 +00:00
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2023-11-08 16:52:25 +00:00
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include ../nimbus/db/ledger/accounts_cache
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2020-01-07 12:49:42 +00:00
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2020-02-26 07:30:19 +00:00
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func initAddr(z: int): EthAddress =
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2020-12-09 05:24:37 +00:00
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const L = sizeof(result)
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result[L-sizeof(uint32)..^1] = toBytesBE(z.uint32)
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2020-02-26 07:30:19 +00:00
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2019-09-21 05:45:23 +00:00
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proc stateDBMain*() =
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suite "Account State DB":
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2019-05-30 16:42:55 +00:00
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setup:
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2020-07-21 06:15:06 +00:00
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const emptyAcc {.used.} = newAccount()
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2020-02-26 07:30:19 +00:00
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2019-05-30 16:42:55 +00:00
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var
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2023-08-04 11:10:09 +00:00
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memDB = newCoreDbRef LegacyDbMemory
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acDB {.used.} = newCoreDbRef LegacyDbMemory
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trie = memDB.mptPrune()
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2020-07-21 06:15:06 +00:00
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stateDB {.used.} = newAccountStateDB(memDB, trie.rootHash, true)
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address {.used.} = hexToByteArray[20]("0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6")
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code {.used.} = hexToSeqByte("0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6")
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rootHash {.used.} : KeccakHash
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2019-09-21 05:45:23 +00:00
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test "accountExists and isDeadAccount":
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check stateDB.accountExists(address) == false
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check stateDB.isDeadAccount(address) == true
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var acc = stateDB.getAccount(address)
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acc.balance = 1000.u256
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stateDB.setAccount(address, acc)
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check stateDB.accountExists(address) == true
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check stateDB.isDeadAccount(address) == false
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acc.balance = 0.u256
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acc.nonce = 1
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stateDB.setAccount(address, acc)
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check stateDB.isDeadAccount(address) == false
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2020-02-26 07:30:19 +00:00
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stateDB.setCode(address, code)
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2019-09-21 05:45:23 +00:00
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stateDB.setNonce(address, 0)
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check stateDB.isDeadAccount(address) == false
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2020-04-20 18:12:44 +00:00
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stateDB.setCode(address, [])
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2019-09-21 05:45:23 +00:00
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check stateDB.isDeadAccount(address) == true
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check stateDB.accountExists(address) == true
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2020-01-07 12:49:42 +00:00
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test "clone storage":
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var x = RefAccount(
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2023-04-24 20:59:38 +00:00
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overlayStorage: initTable[UInt256, UInt256](),
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2020-01-07 12:49:42 +00:00
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originalStorage: newTable[UInt256, UInt256]()
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)
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2023-04-24 20:59:38 +00:00
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x.overlayStorage[10.u256] = 11.u256
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x.overlayStorage[11.u256] = 12.u256
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2020-01-07 12:49:42 +00:00
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x.originalStorage[10.u256] = 11.u256
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x.originalStorage[11.u256] = 12.u256
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var y = x.clone(cloneStorage = true)
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2023-04-24 20:59:38 +00:00
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y.overlayStorage[12.u256] = 13.u256
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2020-01-07 12:49:42 +00:00
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y.originalStorage[12.u256] = 13.u256
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check 12.u256 notin x.overlayStorage
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check 12.u256 in y.overlayStorage
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check x.overlayStorage.len == 2
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check y.overlayStorage.len == 3
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check 12.u256 in x.originalStorage
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check 12.u256 in y.originalStorage
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check x.originalStorage.len == 3
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check y.originalStorage.len == 3
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test "accounts cache":
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2020-02-26 07:30:19 +00:00
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var ac = init(AccountsCache, acDB, emptyRlpHash, true)
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2020-01-07 12:49:42 +00:00
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var addr1 = initAddr(1)
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check ac.isDeadAccount(addr1) == true
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check ac.accountExists(addr1) == false
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check ac.hasCodeOrNonce(addr1) == false
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ac.setBalance(addr1, 1000.u256)
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check ac.getBalance(addr1) == 1000.u256
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ac.subBalance(addr1, 100.u256)
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check ac.getBalance(addr1) == 900.u256
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ac.addBalance(addr1, 200.u256)
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check ac.getBalance(addr1) == 1100.u256
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ac.setNonce(addr1, 1)
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check ac.getNonce(addr1) == 1
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ac.incNonce(addr1)
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check ac.getNonce(addr1) == 2
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ac.setCode(addr1, code)
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check ac.getCode(addr1) == code
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ac.setStorage(addr1, 1.u256, 10.u256)
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check ac.getStorage(addr1, 1.u256) == 10.u256
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check ac.getCommittedStorage(addr1, 1.u256) == 0.u256
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check ac.hasCodeOrNonce(addr1) == true
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check ac.getCodeSize(addr1) == code.len
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2020-02-26 07:30:19 +00:00
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ac.persist()
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rootHash = ac.rootHash
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var db = newAccountStateDB(memDB, emptyRlpHash, true)
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db.setBalance(addr1, 1100.u256)
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db.setNonce(addr1, 2)
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db.setCode(addr1, code)
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db.setStorage(addr1, 1.u256, 10.u256)
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check rootHash == db.rootHash
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test "accounts cache readonly operations":
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# use previous hash
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var ac = init(AccountsCache, acDB, rootHash, true)
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var addr2 = initAddr(2)
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check ac.getCodeHash(addr2) == emptyAcc.codeHash
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check ac.getBalance(addr2) == emptyAcc.balance
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check ac.getNonce(addr2) == emptyAcc.nonce
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2020-04-20 18:12:44 +00:00
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check ac.getCode(addr2) == []
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2020-02-26 07:30:19 +00:00
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check ac.getCodeSize(addr2) == 0
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check ac.getCommittedStorage(addr2, 1.u256) == 0.u256
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check ac.getStorage(addr2, 1.u256) == 0.u256
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check ac.hasCodeOrNonce(addr2) == false
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check ac.accountExists(addr2) == false
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check ac.isDeadAccount(addr2) == true
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ac.persist()
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# readonly operations should not modify
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# state trie at all
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check ac.rootHash == rootHash
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2020-04-29 05:00:44 +00:00
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test "accounts cache code retrieval after persist called":
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var ac = init(AccountsCache, acDB)
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var addr2 = initAddr(2)
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ac.setCode(addr2, code)
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ac.persist()
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2020-07-21 06:15:06 +00:00
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check ac.getCode(addr2) == code
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2022-09-03 18:15:35 +00:00
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let key = contractHashKey(keccakHash(code))
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2023-08-04 11:10:09 +00:00
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check acDB.kvt.get(key.toOpenArray) == code
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2020-07-21 06:15:06 +00:00
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2020-12-09 05:24:37 +00:00
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test "accessList operations":
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proc verifyAddrs(ac: AccountsCache, addrs: varargs[int]): bool =
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for c in addrs:
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if not ac.inAccessList(c.initAddr):
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return false
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true
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proc verifySlots(ac: AccountsCache, address: int, slots: varargs[int]): bool =
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let a = address.initAddr
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if not ac.inAccessList(a):
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return false
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for c in slots:
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if not ac.inAccessList(a, c.u256):
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return false
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true
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proc accessList(ac: var AccountsCache, address: int) {.inline.} =
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ac.accessList(address.initAddr)
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proc accessList(ac: var AccountsCache, address, slot: int) {.inline.} =
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ac.accessList(address.initAddr, slot.u256)
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var ac = init(AccountsCache, acDB)
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ac.accessList(0xaa)
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ac.accessList(0xbb, 0x01)
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ac.accessList(0xbb, 0x02)
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check ac.verifyAddrs(0xaa, 0xbb)
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check ac.verifySlots(0xbb, 0x01, 0x02)
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check ac.verifySlots(0xaa, 0x01) == false
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check ac.verifySlots(0xaa, 0x02) == false
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var sp = ac.beginSavepoint
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# some new ones
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ac.accessList(0xbb, 0x03)
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ac.accessList(0xaa, 0x01)
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ac.accessList(0xcc, 0x01)
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ac.accessList(0xcc)
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check ac.verifyAddrs(0xaa, 0xbb, 0xcc)
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check ac.verifySlots(0xaa, 0x01)
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check ac.verifySlots(0xbb, 0x01, 0x02, 0x03)
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check ac.verifySlots(0xcc, 0x01)
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ac.rollback(sp)
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check ac.verifyAddrs(0xaa, 0xbb)
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check ac.verifyAddrs(0xcc) == false
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check ac.verifySlots(0xcc, 0x01) == false
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sp = ac.beginSavepoint
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ac.accessList(0xbb, 0x03)
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ac.accessList(0xaa, 0x01)
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ac.accessList(0xcc, 0x01)
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ac.accessList(0xcc)
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ac.accessList(0xdd, 0x04)
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ac.commit(sp)
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check ac.verifyAddrs(0xaa, 0xbb, 0xcc)
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check ac.verifySlots(0xaa, 0x01)
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check ac.verifySlots(0xbb, 0x01, 0x02, 0x03)
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check ac.verifySlots(0xcc, 0x01)
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check ac.verifySlots(0xdd, 0x04)
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2023-03-21 13:27:12 +00:00
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test "transient storage operations":
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var ac = init(AccountsCache, acDB)
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proc tStore(ac: AccountsCache, address, slot, val: int) =
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ac.setTransientStorage(address.initAddr, slot.u256, val.u256)
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proc tLoad(ac: AccountsCache, address, slot: int): UInt256 =
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ac.getTransientStorage(address.initAddr, slot.u256)
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proc vts(ac: AccountsCache, address, slot, val: int): bool =
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ac.tLoad(address, slot) == val.u256
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ac.tStore(0xaa, 3, 66)
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ac.tStore(0xbb, 1, 33)
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ac.tStore(0xbb, 2, 99)
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check ac.vts(0xaa, 3, 66)
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check ac.vts(0xbb, 1, 33)
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check ac.vts(0xbb, 2, 99)
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check ac.vts(0xaa, 1, 33) == false
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check ac.vts(0xbb, 1, 66) == false
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var sp = ac.beginSavepoint
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# some new ones
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ac.tStore(0xaa, 3, 77)
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ac.tStore(0xbb, 1, 55)
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ac.tStore(0xcc, 7, 88)
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check ac.vts(0xaa, 3, 77)
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check ac.vts(0xbb, 1, 55)
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check ac.vts(0xcc, 7, 88)
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check ac.vts(0xaa, 3, 66) == false
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check ac.vts(0xbb, 1, 33) == false
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check ac.vts(0xbb, 2, 99)
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ac.rollback(sp)
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check ac.vts(0xaa, 3, 66)
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check ac.vts(0xbb, 1, 33)
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check ac.vts(0xbb, 2, 99)
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check ac.vts(0xcc, 7, 88) == false
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sp = ac.beginSavepoint
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ac.tStore(0xaa, 3, 44)
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ac.tStore(0xaa, 4, 55)
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ac.tStore(0xbb, 1, 22)
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ac.tStore(0xdd, 2, 66)
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ac.commit(sp)
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check ac.vts(0xaa, 3, 44)
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check ac.vts(0xaa, 4, 55)
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check ac.vts(0xbb, 1, 22)
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check ac.vts(0xbb, 1, 55) == false
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check ac.vts(0xbb, 2, 99)
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|
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check ac.vts(0xcc, 7, 88) == false
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check ac.vts(0xdd, 2, 66)
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ac.clearTransientStorage()
|
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|
|
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check ac.vts(0xaa, 3, 44) == false
|
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|
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check ac.vts(0xaa, 4, 55) == false
|
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|
|
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check ac.vts(0xbb, 1, 22) == false
|
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|
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check ac.vts(0xbb, 1, 55) == false
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|
|
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check ac.vts(0xbb, 2, 99) == false
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|
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check ac.vts(0xcc, 7, 88) == false
|
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|
|
|
check ac.vts(0xdd, 2, 66) == false
|
|
|
|
|
|
2020-01-07 12:49:42 +00:00
|
|
|
when isMainModule:
|
|
|
|
|
stateDBMain()
|
