91 lines
2.9 KiB
Nim
91 lines
2.9 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 http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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tables,
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eth_common,
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./constants, ./vm_state, ./logging,
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./vm/[memory, stack, code_stream],
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./vm/interpreter/[gas_costs, opcode_values] # TODO - will be hidden at a lower layer
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type
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BaseComputation* = ref object of RootObj
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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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gasMeter*: GasMeter
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code*: CodeStream
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children*: seq[BaseComputation]
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rawOutput*: string
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returnData*: seq[byte]
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error*: Error
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logEntries*: seq[(EthAddress, seq[UInt256], string)]
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shouldEraseReturnData*: bool
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accountsToDelete*: Table[EthAddress, EthAddress]
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opcodes*: Table[Op, proc(computation: var BaseComputation){.nimcall.}]
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precompiles*: Table[string, Opcode]
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gasCosts*: GasCosts # TODO - will be hidden at a lower layer
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Error* = ref object
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info*: string
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burnsGas*: bool
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erasesReturnData*: bool
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Opcode* = ref object of RootObj
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# TODO can't use a stack-allocated object because
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# "BaseComputation is not a concrete type"
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# TODO: We can probably remove this.
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kind*: Op
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runLogic*: proc(computation: var BaseComputation)
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GasMeter* = ref object # TODO: use a normal object
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logger*: Logger
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gasRefunded*: GasInt
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startGas*: GasInt
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gasRemaining*: GasInt
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Message* = ref object
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# A message for VM computation
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# depth = None
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# code = None
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# codeAddress = None
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# createAddress = None
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# shouldTransferValue = None
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# isStatic = None
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# logger = logging.getLogger("evm.vm.message.Message")
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gas*: GasInt
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gasPrice*: GasInt
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to*: EthAddress
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sender*: EthAddress
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value*: UInt256
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data*: seq[byte]
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code*: string
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internalOrigin*: EthAddress
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internalCodeAddress*: EthAddress
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depth*: int
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internalStorageAddress*: EthAddress
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shouldTransferValue*: bool
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isStatic*: bool
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isCreate*: bool
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MessageOptions* = ref object
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origin*: EthAddress
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depth*: int
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createAddress*: EthAddress
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codeAddress*: EthAddress
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shouldTransferValue*: bool
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isStatic*: bool
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