moved validateTransaction() to executor

why:
  not part of VM (see andri's requested change at #573)
This commit is contained in:
Jordan Hrycaj 2021-04-07 15:13:28 +01:00
parent a72f6ed6e0
commit dfc93a74ad
No known key found for this signature in database
GPG Key ID: 4101B9BC5A0DB080
3 changed files with 98 additions and 97 deletions

View File

@ -7,6 +7,39 @@ import options, sets,
../vm_types2,
./dao, ../config
proc validateTransaction*(vmState: BaseVMState, tx: Transaction,
sender: EthAddress, fork: Fork): bool =
let balance = vmState.readOnlyStateDB.getBalance(sender)
let nonce = vmState.readOnlyStateDB.getNonce(sender)
if vmState.cumulativeGasUsed + tx.gasLimit > vmState.blockHeader.gasLimit:
debug "invalid tx: block header gasLimit reached",
maxLimit=vmState.blockHeader.gasLimit,
gasUsed=vmState.cumulativeGasUsed,
addition=tx.gasLimit
return
let totalCost = tx.gasLimit.u256 * tx.gasPrice.u256 + tx.value
if totalCost > balance:
debug "invalid tx: not enough cash",
available=balance,
require=totalCost
return
if tx.gasLimit < tx.intrinsicGas(fork):
debug "invalid tx: not enough gas to perform calculation",
available=tx.gasLimit,
require=tx.intrinsicGas(fork)
return
if tx.accountNonce != nonce:
debug "invalid tx: account nonce mismatch",
txNonce=tx.accountnonce,
accountNonce=nonce
return
result = true
proc processTransaction*(tx: Transaction, sender: EthAddress, vmState: BaseVMState, fork: Fork): GasInt =
## Process the transaction, write the results to db.
## Returns amount of ETH to be rewarded to miner
@ -196,3 +229,67 @@ proc processBlock*(chainDB: BaseChainDB, header: BlockHeader, body: BlockBody, v
# rather than destroyed by trie pruning. But the current block will still get a pruned trie.
# If trie pruning deactivated, `applyDeletes` have no effects.
dbTx.commit(applyDeletes = false)
#[
method executeTransaction(vmState: BaseVMState, transaction: Transaction): (Computation, BlockHeader) {.base.}=
# Execute the transaction in the vm
# TODO: introduced here: https://github.com/ethereum/py-evm/commit/21c57f2d56ab91bb62723c3f9ebe291d0b132dde
# Refactored/Removed here: https://github.com/ethereum/py-evm/commit/cc991bf
# Deleted here: https://github.com/ethereum/py-evm/commit/746defb6f8e83cee2c352a0ab8690e1281c4227c
raise newException(ValueError, "Must be implemented by subclasses")
method addTransaction*(vmState: BaseVMState, transaction: Transaction, c: Computation, b: Block): (Block, Table[string, string]) =
# Add a transaction to the given block and
# return `trieData` to store the transaction data in chaindb in VM layer
# Update the bloomFilter, transaction trie and receipt trie roots, bloom_filter,
# bloom, and usedGas of the block
# transaction: the executed transaction
# computation: the Computation object with executed result
# block: the Block which the transaction is added in
# var receipt = vmState.makeReceipt(transaction, computation)
# vmState.add_receipt(receipt)
# block.transactions.append(transaction)
# # Get trie roots and changed key-values.
# tx_root_hash, tx_kv_nodes = make_trie_root_and_nodes(block.transactions)
# receipt_root_hash, receipt_kv_nodes = make_trie_root_and_nodes(self.receipts)
# trie_data = merge(tx_kv_nodes, receipt_kv_nodes)
# block.bloom_filter |= receipt.bloom
# block.header.transaction_root = tx_root_hash
# block.header.receipt_root = receipt_root_hash
# block.header.bloom = int(block.bloom_filter)
# block.header.gas_used = receipt.gas_used
# return block, trie_data
result = (b, initTable[string, string]())
method applyTransaction*(
vmState: BaseVMState,
transaction: Transaction,
b: Block,
isStateless: bool): (Computation, Block, Table[string, string]) =
# Apply transaction to the given block
# transaction: the transaction need to be applied
# b: the block which the transaction applies on
# isStateless: if isStateless, call vmState.addTransaction to set block
if isStateless:
var ourBlock = b # deepcopy
vmState.blockHeader = b.header
var (computation, blockHeader) = vmState.executeTransaction(transaction)
ourBlock.header = blockHeader
var trieData: Table[string, string]
(ourBlock, trieData) = vmState.addTransaction(transaction, computation, ourBlock)
result = (computation, ourBlock, trieData)
else:
var (computation, blockHeader) = vmState.executeTransaction(transaction)
return (computation, nil, initTable[string, string]())
]#

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@ -11,38 +11,6 @@ import
../transaction,
./computation, ./interpreter, ./state, ./types
proc validateTransaction*(vmState: BaseVMState, tx: Transaction, sender: EthAddress, fork: Fork): bool =
let balance = vmState.readOnlyStateDB.getBalance(sender)
let nonce = vmState.readOnlyStateDB.getNonce(sender)
if vmState.cumulativeGasUsed + tx.gasLimit > vmState.blockHeader.gasLimit:
debug "invalid tx: block header gasLimit reached",
maxLimit=vmState.blockHeader.gasLimit,
gasUsed=vmState.cumulativeGasUsed,
addition=tx.gasLimit
return
let totalCost = tx.gasLimit.u256 * tx.gasPrice.u256 + tx.value
if totalCost > balance:
debug "invalid tx: not enough cash",
available=balance,
require=totalCost
return
if tx.gasLimit < tx.intrinsicGas(fork):
debug "invalid tx: not enough gas to perform calculation",
available=tx.gasLimit,
require=tx.intrinsicGas(fork)
return
if tx.accountNonce != nonce:
debug "invalid tx: account nonce mismatch",
txNonce=tx.accountnonce,
accountNonce=nonce
return
result = true
proc setupComputation*(vmState: BaseVMState, tx: Transaction, sender: EthAddress, fork: Fork) : Computation =
var gas = tx.gasLimit - tx.intrinsicGas(fork)
assert gas >= 0
@ -88,66 +56,3 @@ proc refundGas*(c: Computation, tx: Transaction, sender: EthAddress) =
c.gasMeter.returnGas min(c.getGasRefund(), maxRefund)
c.vmState.mutateStateDB:
db.addBalance(sender, c.gasMeter.gasRemaining.u256 * tx.gasPrice.u256)
#[
method executeTransaction(vmState: BaseVMState, transaction: Transaction): (Computation, BlockHeader) {.base.}=
# Execute the transaction in the vm
# TODO: introduced here: https://github.com/ethereum/py-evm/commit/21c57f2d56ab91bb62723c3f9ebe291d0b132dde
# Refactored/Removed here: https://github.com/ethereum/py-evm/commit/cc991bf
# Deleted here: https://github.com/ethereum/py-evm/commit/746defb6f8e83cee2c352a0ab8690e1281c4227c
raise newException(ValueError, "Must be implemented by subclasses")
method addTransaction*(vmState: BaseVMState, transaction: Transaction, c: Computation, b: Block): (Block, Table[string, string]) =
# Add a transaction to the given block and
# return `trieData` to store the transaction data in chaindb in VM layer
# Update the bloomFilter, transaction trie and receipt trie roots, bloom_filter,
# bloom, and usedGas of the block
# transaction: the executed transaction
# computation: the Computation object with executed result
# block: the Block which the transaction is added in
# var receipt = vmState.makeReceipt(transaction, computation)
# vmState.add_receipt(receipt)
# block.transactions.append(transaction)
# # Get trie roots and changed key-values.
# tx_root_hash, tx_kv_nodes = make_trie_root_and_nodes(block.transactions)
# receipt_root_hash, receipt_kv_nodes = make_trie_root_and_nodes(self.receipts)
# trie_data = merge(tx_kv_nodes, receipt_kv_nodes)
# block.bloom_filter |= receipt.bloom
# block.header.transaction_root = tx_root_hash
# block.header.receipt_root = receipt_root_hash
# block.header.bloom = int(block.bloom_filter)
# block.header.gas_used = receipt.gas_used
# return block, trie_data
result = (b, initTable[string, string]())
method applyTransaction*(
vmState: BaseVMState,
transaction: Transaction,
b: Block,
isStateless: bool): (Computation, Block, Table[string, string]) =
# Apply transaction to the given block
# transaction: the transaction need to be applied
# b: the block which the transaction applies on
# isStateless: if isStateless, call vmState.addTransaction to set block
if isStateless:
var ourBlock = b # deepcopy
vmState.blockHeader = b.header
var (computation, blockHeader) = vmState.executeTransaction(transaction)
ourBlock.header = blockHeader
var trieData: Table[string, string]
(ourBlock, trieData) = vmState.addTransaction(transaction, computation, ourBlock)
result = (computation, ourBlock, trieData)
else:
var (computation, blockHeader) = vmState.executeTransaction(transaction)
return (computation, nil, initTable[string, string]())
]#

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@ -14,7 +14,6 @@ import
export
vmx.execComputation,
vmx.refundGas,
vmx.setupComputation,
vmx.validateTransaction
vmx.setupComputation
# End