131 lines
3.6 KiB
Nim
131 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
|
|
gasPool* : GasInt
|
|
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
|