mirror of
https://github.com/status-im/nimbus-eth1.git
synced 2025-02-24 17:58:30 +00:00
2a3c67b4be
simplify EVM and delegete those things to accounts cache. also no more manual state clearing, accounts cache will be responsible for both collecting touched account and perform state clearing.
130 lines
3.6 KiB
Nim
130 lines
3.6 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
|
|
std/[json, sets],
|
|
chronos,
|
|
json_rpc/rpcclient,
|
|
"."/[stack, memory, code_stream],
|
|
./interpreter/[gas_costs, op_codes],
|
|
./async/data_sources,
|
|
../db/accounts_cache,
|
|
../common/[common, evmforks]
|
|
|
|
{.push raises: [].}
|
|
|
|
when defined(evmc_enabled):
|
|
import
|
|
./evmc_api
|
|
|
|
# Select between small-stack recursion and no recursion. Both are good, fast,
|
|
# low resource using methods. Keep both here because true EVMC API requires
|
|
# the small-stack method, but Chronos `async` is better without recursion.
|
|
const vm_use_recursion* = defined(evmc_enabled)
|
|
|
|
type
|
|
VMFlag* = enum
|
|
ExecutionOK
|
|
GenerateWitness
|
|
ClearCache
|
|
|
|
BaseVMState* = ref object of RootObj
|
|
prevHeaders* : seq[BlockHeader]
|
|
com* : CommonRef
|
|
parent* : BlockHeader
|
|
timestamp* : EthTime
|
|
gasLimit* : GasInt
|
|
fee* : Option[UInt256]
|
|
prevRandao* : Hash256
|
|
blockDifficulty*: UInt256
|
|
flags* : set[VMFlag]
|
|
tracer* : TransactionTracer
|
|
receipts* : seq[Receipt]
|
|
stateDB* : AccountsCache
|
|
cumulativeGasUsed*: GasInt
|
|
txOrigin* : EthAddress
|
|
txGasPrice* : GasInt
|
|
gasCosts* : GasCosts
|
|
fork* : EVMFork
|
|
minerAddress* : EthAddress
|
|
asyncFactory* : AsyncOperationFactory
|
|
|
|
TracerFlags* {.pure.} = enum
|
|
EnableTracing
|
|
DisableStorage
|
|
DisableMemory
|
|
DisableStack
|
|
DisableState
|
|
DisableStateDiff
|
|
EnableAccount
|
|
DisableReturnData
|
|
GethCompatibility
|
|
|
|
TransactionTracer* = object
|
|
trace*: JsonNode
|
|
flags*: set[TracerFlags]
|
|
accounts*: HashSet[EthAddress]
|
|
storageKeys*: seq[HashSet[UInt256]]
|
|
gasUsed*: GasInt
|
|
|
|
Computation* = ref object
|
|
# The execution computation
|
|
vmState*: BaseVMState
|
|
msg*: Message
|
|
memory*: Memory
|
|
stack*: Stack
|
|
returnStack*: seq[int]
|
|
gasMeter*: GasMeter
|
|
code*: CodeStream
|
|
output*: seq[byte]
|
|
returnData*: seq[byte]
|
|
error*: Error
|
|
savePoint*: SavePoint
|
|
instr*: Op
|
|
opIndex*: int
|
|
when defined(evmc_enabled):
|
|
host*: HostContext
|
|
child*: ref nimbus_message
|
|
res*: nimbus_result
|
|
else:
|
|
parent*, child*: Computation
|
|
pendingAsyncOperation*: Future[void]
|
|
continuation*: proc() {.gcsafe, raises: [CatchableError].}
|
|
|
|
Error* = ref object
|
|
info*: string
|
|
burnsGas*: bool
|
|
|
|
GasMeter* = object
|
|
gasRefunded*: 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
|
|
kind*: CallKind
|
|
depth*: int
|
|
gas*: GasInt
|
|
sender*: EthAddress
|
|
contractAddress*: EthAddress
|
|
codeAddress*: EthAddress
|
|
value*: UInt256
|
|
data*: seq[byte]
|
|
flags*: MsgFlags
|