mirror of
https://github.com/status-im/nimbus-eth1.git
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411a3cadfa
* renamed nimbus folder to execution_chain * Renamed "nimbus" references to "execution_chain" * fixed wrongly changed http reference * delete snap types file given that it was deleted before this PR merge * missing 'execution_chain' replacement --------- Co-authored-by: pmmiranda <pedro.miranda@nimbus.team>
95 lines
2.7 KiB
Nim
95 lines
2.7 KiB
Nim
# Nimbus
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# Copyright (c) 2023-2024 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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import
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std/[tables, sets],
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stint,
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eth/common/[addresses, transactions],
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../utils/mergeutils
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export addresses
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type
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SlotSet = HashSet[UInt256]
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AccessList* = object
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slots: Table[Address, SlotSet]
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# ------------------------------------------------------------------------------
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# Private helpers
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# ------------------------------------------------------------------------------
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func toStorageKeys(slots: SlotSet): seq[Bytes32] =
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for slot in slots:
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result.add slot.to(Bytes32)
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# ------------------------------------------------------------------------------
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# Public constructors
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# ------------------------------------------------------------------------------
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proc init*(ac: var AccessList) =
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ac.slots = Table[Address, SlotSet]()
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proc init*(_: type AccessList): AccessList {.inline.} =
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result.init()
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# ------------------------------------------------------------------------------
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# Public functions
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# ------------------------------------------------------------------------------
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func contains*(ac: AccessList, address: Address): bool {.inline.} =
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address in ac.slots
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# returnValue: (addressPresent, slotPresent)
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func contains*(ac: var AccessList, address: Address, slot: UInt256): bool =
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ac.slots.withValue(address, val):
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result = slot in val[]
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proc mergeAndReset*(ac, other: var AccessList) =
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# move values in `other` to `ac`
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ac.slots.mergeAndReset(other.slots)
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proc add*(ac: var AccessList, address: Address) =
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if address notin ac.slots:
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ac.slots[address] = HashSet[UInt256]()
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proc add*(ac: var AccessList, address: Address, slot: UInt256) =
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ac.slots.withValue(address, val):
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val[].incl slot
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do:
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ac.slots[address] = toHashSet([slot])
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proc clear*(ac: var AccessList) {.inline.} =
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ac.slots.clear()
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func getAccessList*(ac: AccessList): transactions.AccessList =
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for address, slots in ac.slots:
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result.add transactions.AccessPair(
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address : address,
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storageKeys: slots.toStorageKeys,
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)
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func equal*(ac: AccessList, other: var AccessList): bool =
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if ac.slots.len != other.slots.len:
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return false
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for address, slots in ac.slots:
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other.slots.withValue(address, otherSlots):
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if slots.len != otherSlots[].len:
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return false
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for slot in slots:
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if slot notin otherSlots[]:
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return false
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do:
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return false
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true
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