100 lines
2.6 KiB
Nim
100 lines
2.6 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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stint, eth_common,
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../logging, ../constants, ../validation, ../vm_types
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proc `origin=`*(message: var Message, value: EthAddress) =
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message.internalOrigin = value
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proc `codeAddress=`*(message: var Message, value: EthAddress) =
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message.internalCodeAddress = value
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proc `storageAddress=`*(message: var Message, value: EthAddress) =
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message.internalStorageAddress = value
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proc newMessageOptions*(
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origin = ZERO_ADDRESS,
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depth: int = 0,
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createAddress = ZERO_ADDRESS,
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codeAddress = ZERO_ADDRESS,
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shouldTransferValue: bool = true,
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isStatic: bool = false): MessageOptions =
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result = MessageOptions(
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origin: origin,
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depth: depth,
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createAddress: createAddress,
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codeAddress: codeAddress,
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shouldTransferValue: shouldTransferValue,
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isStatic: isStatic)
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proc newMessage*(
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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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options: MessageOptions = newMessageOptions()): Message =
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new(result)
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result.gas = gas
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result.gasPrice = gasPrice
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if to != CREATE_CONTRACT_ADDRESS:
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validateCanonicalAddress(to, title="Message.to")
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result.to = to
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validateCanonicalAddress(sender, title="Message.sender")
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result.sender = sender
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result.value = value
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result.data = data
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result.internalOrigin = options.origin
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validateGte(options.depth, minimum=0, title="Message.depth")
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result.depth = options.depth
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result.code = code
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result.storageAddress = options.createAddress
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result.codeAddress = options.codeAddress
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result.shouldTransferValue = options.shouldTransferValue
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result.isStatic = options.isStatic
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proc origin*(message: Message): EthAddress =
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if message.internalOrigin != ZERO_ADDRESS:
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message.internalOrigin
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else:
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message.sender
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proc isOrigin*(message: Message): bool =
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message.sender == message.origin
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proc codeAddress*(message: Message): EthAddress =
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if message.internalCodeAddress != ZERO_ADDRESS:
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message.internalCodeAddress
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else:
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message.to
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proc `storageAddress`*(message: Message): EthAddress =
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if message.internalStorageAddress != ZERO_ADDRESS:
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message.internalStorageAddress
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else:
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message.to
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proc isCreate(message: Message): bool =
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message.to == CREATE_CONTRACT_ADDRESS
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