nimbus-eth1/nimbus/vm/message.nim

104 lines
2.8 KiB
Nim

# Nimbus
# Copyright (c) 2018 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import
eth/common,
../constants, ../validation, ../vm_types, chronicles
logScope:
topics = "message"
proc `origin=`*(message: var Message, value: EthAddress) =
message.internalOrigin = value
proc `codeAddress=`*(message: var Message, value: EthAddress) =
message.internalCodeAddress = value
proc `storageAddress=`*(message: var Message, value: EthAddress) =
message.internalStorageAddress = value
proc newMessageOptions*(
origin = ZERO_ADDRESS,
depth: int = 0,
createAddress = ZERO_ADDRESS,
codeAddress = ZERO_ADDRESS,
flags: MsgFlags = static(emvcNoFlags)): MessageOptions =
result = MessageOptions(
origin: origin,
depth: depth,
createAddress: createAddress,
codeAddress: codeAddress,
flags: flags)
proc newMessage*(
gas: GasInt,
gasPrice: GasInt,
to: EthAddress,
sender: EthAddress,
value: UInt256,
data: seq[byte],
code: seq[byte],
contractCreation: bool,
options: MessageOptions = newMessageOptions()): Message =
validateGte(options.depth, minimum=0, title="Message.depth")
trace "New message",
gas = gas,
gasPrice = gasPrice,
destination = to,
sender = sender,
value = value,
depth = options.depth,
storageAddress = options.createAddress,
codeAddress = options.codeAddress,
contractCreation = contractCreation
new(result)
result.gas = gas
result.gasPrice = gasPrice
result.destination = to
result.sender = sender
result.value = value
result.data = data
result.depth = options.depth
result.storageAddress = options.createAddress
result.codeAddress = options.codeAddress
result.flags = options.flags
result.code = code
result.contractCreation = contractCreation
if options.origin != ZERO_ADDRESS:
result.internalOrigin = options.origin
else:
result.internalOrigin = sender
proc origin*(message: Message): EthAddress =
if message.internalOrigin != ZERO_ADDRESS:
message.internalOrigin
else:
message.sender
proc isOrigin*(message: Message): bool =
message.sender == message.origin
proc codeAddress*(message: Message): EthAddress =
if message.internalCodeAddress != ZERO_ADDRESS:
message.internalCodeAddress
else:
message.destination
proc `storageAddress`*(message: Message): EthAddress =
if message.internalStorageAddress != ZERO_ADDRESS:
message.internalStorageAddress
else:
message.destination
proc isCreate*(message: Message): bool =
message.contractCreation