133 lines
3.9 KiB
Nim
133 lines
3.9 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
|
|
tables, eth/common, eth/trie/db,
|
|
options, ./constants, json, sets,
|
|
./vm/[memory, stack, code_stream],
|
|
./vm/interpreter/[gas_costs, opcode_values, vm_forks], # TODO - will be hidden at a lower layer
|
|
./db/[db_chain, state_db]
|
|
|
|
type
|
|
BaseVMState* = ref object of RootObj
|
|
prevHeaders* : seq[BlockHeader]
|
|
chaindb* : BaseChainDB
|
|
accessLogs* : AccessLogs
|
|
blockHeader* : BlockHeader
|
|
name* : string
|
|
tracingEnabled*: bool
|
|
tracer* : TransactionTracer
|
|
logEntries* : seq[Log]
|
|
receipts* : seq[Receipt]
|
|
accountDb* : AccountStateDB
|
|
|
|
AccessLogs* = ref object
|
|
reads*: Table[string, string]
|
|
writes*: Table[string, string]
|
|
|
|
TracerFlags* {.pure.} = enum
|
|
EnableTracing
|
|
DisableStorage
|
|
DisableMemory
|
|
DisableStack
|
|
DisableState
|
|
DisableStateDiff
|
|
EnableAccount
|
|
|
|
TransactionTracer* = object
|
|
trace*: JsonNode
|
|
flags*: set[TracerFlags]
|
|
accounts*: HashSet[EthAddress]
|
|
storageKeys*: seq[HashSet[Uint256]]
|
|
|
|
Snapshot* = object
|
|
transaction*: DbTransaction
|
|
intermediateRoot*: Hash256
|
|
|
|
BaseComputation* = ref object of RootObj
|
|
# The execution computation
|
|
vmState*: BaseVMState
|
|
msg*: Message
|
|
memory*: Memory
|
|
stack*: Stack
|
|
gasMeter*: GasMeter
|
|
code*: CodeStream
|
|
children*: seq[BaseComputation]
|
|
rawOutput*: seq[byte]
|
|
returnData*: seq[byte]
|
|
error*: Error
|
|
accountsToDelete*: Table[EthAddress, EthAddress]
|
|
gasCosts*: GasCosts # TODO - will be hidden at a lower layer
|
|
forkOverride*: Option[Fork]
|
|
logEntries*: seq[Log]
|
|
dbsnapshot*: Snapshot
|
|
instr*: Op
|
|
opIndex*: int
|
|
|
|
Error* = ref object
|
|
info*: string
|
|
burnsGas*: bool
|
|
erasesReturnData*: bool
|
|
|
|
GasMeter* = object
|
|
gasRefunded*: GasInt
|
|
startGas*: GasInt
|
|
gasRemaining*: GasInt
|
|
|
|
CallKind* = enum
|
|
evmcCall = 0, # CALL
|
|
evmcDelegateCall = 1, # DELEGATECALL
|
|
evmcCallCode = 2, # CALLCODE
|
|
evmcCreate = 3, # CREATE
|
|
evmcCreate2 = 4 # CREATE2
|
|
|
|
MsgFlags* = enum
|
|
emvcNoFlags = 0
|
|
emvcStatic = 1
|
|
|
|
Message* = ref object
|
|
# A message for VM computation
|
|
# https://github.com/ethereum/evmc/blob/master/include/evmc/evmc.h
|
|
|
|
# depth = None
|
|
|
|
# code = None
|
|
# codeAddress = None
|
|
|
|
# createAddress = None
|
|
|
|
# logger = logging.getLogger("evm.vm.message.Message")
|
|
|
|
destination*: EthAddress
|
|
sender*: EthAddress
|
|
value*: UInt256
|
|
data*: seq[byte]
|
|
# size_t input_size;
|
|
codeHash*: UInt256
|
|
create2Salt*: Uint256
|
|
gas*: GasInt
|
|
gasPrice*: GasInt
|
|
depth*: int
|
|
kind*: CallKind
|
|
flags*: MsgFlags
|
|
|
|
# Not in EVMC API
|
|
|
|
# TODO: Done via callback function (v)table in EVMC
|
|
code*: seq[byte]
|
|
|
|
internalOrigin*: EthAddress
|
|
internalCodeAddress*: EthAddress
|
|
internalStorageAddress*: EthAddress
|
|
|
|
MessageOptions* = ref object
|
|
origin*: EthAddress
|
|
depth*: int
|
|
createAddress*: EthAddress
|
|
codeAddress*: EthAddress
|
|
flags*: MsgFlags
|