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fixes EIP1559 tx gasCost validation 

pre EIP1559 max(gasCost) is tx.gasLimit * tx.gasPrice
the new EIP1559 max(gasCost) before the transaction can be executed is
tx.gasLimit * tx.maxFeePerGas
This commit is contained in:
jangko 2021-09-28 22:16:15 +07:00
parent d8dedb0469
commit 460432f154
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GPG Key ID: 31702AE10541E6B9
1 changed files with 7 additions and 2 deletions
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9
nimbus/p2p/validate.nim
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@ -153,7 +153,7 @@ proc validateHeader(db: BaseChainDB; header, parentHeader: BlockHeader;
if header.gasUsed < 0 or header.gasUsed > header.gasLimit:
return err("gasUsed should be non negative and smaller or equal gasLimit")
if header.blockNumber != parentHeader.blockNumber + 1:
return err("Blocks must be numbered consecutively")
@ -304,7 +304,12 @@ proc validateTransaction*(vmState: BaseVMState, tx: Transaction,
maxPriorityFee=tx.maxPriorityFee
return
let gasCost = tx.gasLimit.u256 * tx.gasPrice.u256
# the signer must be able to afford the transaction
let gasCost = if tx.txType >= TxEip1559:
tx.gasLimit.u256 * tx.maxFee.u256
else:
tx.gasLimit.u256 * tx.gasPrice.u256
if gasCost > balance:
debug "invalid tx: not enough cash for gas",
available=balance,