nimbus-eth1/nimbus/evm/async/operations.nim

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import
chronos,
stint,
eth/common/eth_types,
../../common,
../../db/distinct_tries,
../../db/accounts_cache,
#../../db/incomplete_db,
../types,
./data_sources
proc ifNecessaryGetAccount*(vmState: BaseVMState, address: EthAddress): Future[void] {.async.} =
await vmState.asyncFactory.ifNecessaryGetAccount(vmState.com.db.db, vmState.parent.blockNumber, vmState.parent.stateRoot, address, vmState.stateDB.rawTrie.rootHash)
proc ifNecessaryGetCode*(vmState: BaseVMState, address: EthAddress): Future[void] {.async.} =
await vmState.asyncFactory.ifNecessaryGetCode(vmState.com.db.db, vmState.parent.blockNumber, vmState.parent.stateRoot, address, vmState.stateDB.rawTrie.rootHash)
proc ifNecessaryGetSlots*(vmState: BaseVMState, address: EthAddress, slots: seq[UInt256]): Future[void] {.async.} =
await vmState.asyncFactory.ifNecessaryGetSlots(vmState.com.db.db, vmState.parent.blockNumber, vmState.parent.stateRoot, address, slots, vmState.stateDB.rawTrie.rootHash)
proc ifNecessaryGetSlot*(vmState: BaseVMState, address: EthAddress, slot: UInt256): Future[void] {.async.} =
await ifNecessaryGetSlots(vmState, address, @[slot])
proc ifNecessaryGetBlockHeaderByNumber*(vmState: BaseVMState, blockNumber: BlockNumber): Future[void] {.async.} =
await vmState.asyncFactory.ifNecessaryGetBlockHeaderByNumber(vmState.com.db, blockNumber)
#[
FIXME-Adam: This is for later.
proc fetchAndPopulateNodes*(vmState: BaseVMState, paths: seq[seq[seq[byte]]], nodeHashes: seq[Hash256]): Future[void] {.async.} =
if vmState.asyncFactory.maybeDataSource.isSome:
# let stateRoot = vmState.stateDB.rawTrie.rootHash # FIXME-Adam: this might not be right, huh? the peer might expect the parent block's final stateRoot, not this weirdo intermediate one
let stateRoot = vmState.parent.stateRoot
let nodes = await vmState.asyncFactory.maybeDataSource.get.fetchNodes(stateRoot, paths, nodeHashes)
populateDbWithNodes(vmState.stateDB.rawDb, nodes)
]#
# Sometimes it's convenient to be able to do multiple at once.
proc ifNecessaryGetAccounts*(vmState: BaseVMState, addresses: seq[EthAddress]): Future[void] {.async.} =
for address in addresses:
await ifNecessaryGetAccount(vmState, address)
proc ifNecessaryGetCodeForAccounts*(vmState: BaseVMState, addresses: seq[EthAddress]): Future[void] {.async.} =
for address in addresses:
await ifNecessaryGetCode(vmState, address)