140 lines
4.4 KiB
Nim
140 lines
4.4 KiB
Nim
# Nimbus
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# Copyright (c) 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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../../../nimbus/[
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utils/utils,
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common/common,
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constants,
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db/ledger,
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transaction,
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evm/state,
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evm/types,
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core/dao,
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core/validate,
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core/chain/chain_desc,
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core/executor/calculate_reward,
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core/executor/process_transaction,
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core/executor/process_block
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],
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chronicles,
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results
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{.push raises: [].}
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proc processBlock(
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vmState: BaseVMState; ## Parent environment of header/body block
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blk: Block; ## Header/body block to add to the blockchain
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): Result[void, string] =
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## Generalised function to processes `(header,body)` pair for any network,
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## regardless of PoA or not.
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##
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## Rather than calculating the PoA state change here, it is done with the
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## verification in the `chain/persist_blocks.persistBlocks()` method. So
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## the `poa` descriptor is currently unused and only provided for later
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## implementations (but can be savely removed, as well.)
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## variant of `processBlock()` where the `header` argument is explicitely set.
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template header: Header = blk.header
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var dbTx = vmState.com.db.ctx.newTransaction()
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defer: dbTx.dispose()
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let com = vmState.com
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if com.daoForkSupport and
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com.daoForkBlock.get == header.number:
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vmState.mutateStateDB:
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db.applyDAOHardFork()
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if header.parentBeaconBlockRoot.isSome:
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? vmState.processBeaconBlockRoot(header.parentBeaconBlockRoot.get)
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? processTransactions(vmState, header, blk.transactions)
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if com.isShanghaiOrLater(header.timestamp):
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for withdrawal in blk.withdrawals.get:
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vmState.stateDB.addBalance(withdrawal.address, withdrawal.weiAmount)
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if header.ommersHash != EMPTY_UNCLE_HASH:
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discard com.db.persistUncles(blk.uncles)
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# EIP-3675: no reward for miner in POA/POS
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if com.proofOfStake(header):
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vmState.calculateReward(header, blk.uncles)
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vmState.mutateStateDB:
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let clearEmptyAccount = com.isSpuriousOrLater(header.number)
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db.persist(clearEmptyAccount)
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dbTx.commit()
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ok()
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proc getVmState(c: ChainRef, header: Header):
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Result[BaseVMState, void] =
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if c.vmState.isNil.not:
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return ok(c.vmState)
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let vmState = BaseVMState()
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if not vmState.init(header, c.com, storeSlotHash = false):
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debug "Cannot initialise VmState",
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number = header.number
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return err()
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return ok(vmState)
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# A stripped down version of persistBlocks without validation
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# intended to accepts invalid block
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proc setBlock*(c: ChainRef; blk: Block): Result[void, string] =
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template header: Header = blk.header
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let dbTx = c.db.ctx.newTransaction()
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defer: dbTx.dispose()
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# Needed for figuring out whether KVT cleanup is due (see at the end)
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let
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vmState = c.getVmState(header).valueOr:
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return err("no vmstate")
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_ = vmState.parent.stateRoot # Check point
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? vmState.processBlock(blk)
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if not c.db.persistHeader(
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header, c.com.proofOfStake(header), c.com.startOfHistory):
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return err("Could not persist header")
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try:
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c.db.persistTransactions(header.number, header.txRoot, blk.transactions)
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c.db.persistReceipts(header.receiptsRoot, vmState.receipts)
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if blk.withdrawals.isSome:
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c.db.persistWithdrawals(header.withdrawalsRoot.get, blk.withdrawals.get)
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except CatchableError as exc:
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return err(exc.msg)
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# update currentBlock *after* we persist it
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# so the rpc return consistent result
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# between eth_blockNumber and eth_syncing
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c.com.syncCurrent = header.number
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dbTx.commit()
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# The `c.db.persistent()` call is ignored by the legacy DB which
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# automatically saves persistently when reaching the zero level transaction.
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#
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# For the `Aristo` database, this code position is only reached if the
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# the parent state of the first block (as registered in `headers[0]`) was
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# the canonical state before updating. So this state will be saved with
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# `persistent()` together with the respective block number.
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c.db.persistent(header.number - 1).isOkOr:
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return err($error)
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ok()
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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