140 lines
4.1 KiB
Nim
140 lines
4.1 KiB
Nim
# Nimbus
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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import
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tables, eth/common,
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options, json, sets,
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chronos, stint,
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json_rpc/rpcclient,
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./stack, ./memory, ./code_stream, ../forks,
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./interpreter/[gas_costs, op_codes],
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# TODO - will be hidden at a lower layer
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../db/[db_chain, accounts_cache]
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when defined(evmc_enabled):
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import
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./evmc_api
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# Select between small-stack recursion and no recursion. Both are good, fast,
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# low resource using methods. Keep both here because true EVMC API requires
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# the small-stack method, but Chronos `async` is better without recursion.
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const vm_use_recursion* = defined(evmc_enabled)
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type
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VMFlag* = enum
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ExecutionOK
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GenerateWitness
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ClearCache
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BaseVMState* = ref object of RootObj
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prevHeaders* : seq[BlockHeader]
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chainDB* : BaseChainDB
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parent* : BlockHeader
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timestamp* : EthTime
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gasLimit* : GasInt
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fee* : Option[UInt256]
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prevRandao* : Hash256
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blockDifficulty*: UInt256
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ttdReached* : bool
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name* : string
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flags* : set[VMFlag]
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tracer* : TransactionTracer
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logEntries* : seq[Log]
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receipts* : seq[Receipt]
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stateDB* : AccountsCache
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cumulativeGasUsed*: GasInt
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touchedAccounts*: HashSet[EthAddress]
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selfDestructs* : HashSet[EthAddress]
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txOrigin* : EthAddress
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txGasPrice* : GasInt
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gasCosts* : GasCosts
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fork* : Fork
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minerAddress* : EthAddress
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asyncFactory* : AsyncOperationFactory
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TracerFlags* {.pure.} = enum
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EnableTracing
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DisableStorage
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DisableMemory
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DisableStack
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DisableState
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DisableStateDiff
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EnableAccount
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DisableReturnData
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TransactionTracer* = object
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trace*: JsonNode
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flags*: set[TracerFlags]
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accounts*: HashSet[EthAddress]
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storageKeys*: seq[HashSet[UInt256]]
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Computation* = ref object
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# The execution computation
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vmState*: BaseVMState
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msg*: Message
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memory*: Memory
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stack*: Stack
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returnStack*: seq[int]
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gasMeter*: GasMeter
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code*: CodeStream
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output*: seq[byte]
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returnData*: seq[byte]
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error*: Error
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touchedAccounts*: HashSet[EthAddress]
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selfDestructs*: HashSet[EthAddress]
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logEntries*: seq[Log]
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savePoint*: SavePoint
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instr*: Op
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opIndex*: int
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when defined(evmc_enabled):
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host*: HostContext
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child*: ref nimbus_message
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res*: nimbus_result
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else:
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parent*, child*: Computation
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pendingAsyncOperation*: Future[void]
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continuation*: proc() {.gcsafe.}
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Error* = ref object
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info*: string
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burnsGas*: bool
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GasMeter* = object
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gasRefunded*: GasInt
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gasRemaining*: GasInt
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CallKind* = enum
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evmcCall = 0, # CALL
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evmcDelegateCall = 1, # DELEGATECALL
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evmcCallCode = 2, # CALLCODE
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evmcCreate = 3, # CREATE
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evmcCreate2 = 4 # CREATE2
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MsgFlags* = enum
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emvcNoFlags = 0
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emvcStatic = 1
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Message* = ref object
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kind*: CallKind
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depth*: int
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gas*: GasInt
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sender*: EthAddress
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contractAddress*: EthAddress
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codeAddress*: EthAddress
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value*: UInt256
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data*: seq[byte]
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flags*: MsgFlags
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LazyDataSource* = ref object of RootObj
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ifNecessaryGetStorage*: proc(c: Computation, slot: UInt256): Future[void] {.gcsafe.}
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AsyncOperationFactory* = ref object of RootObj
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lazyDataSource*: LazyDataSource
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