Transaction: Move `setupComputation` to its own file
Signed-off-by: Jamie Lokier <jamie@shareable.org>
This commit is contained in:
Jamie Lokier
parent
4e51a5bb35
commit
94f95efd9e
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# Nimbus - Common entry point to the EVM from all different callers
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#
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# Copyright (c) 2018-2021 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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eth/common/eth_types, stint, options, stew/ranges/ptr_arith,
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".."/[vm_types, vm_types2, vm_state, vm_computation, vm_state_transactions],
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".."/[db/accounts_cache, transaction, vm_precompiles, vm_gas_costs],
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".."/vm_internals,
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./host_types
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type
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# Standard call parameters.
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CallParams* = object
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vmState*: BaseVMState # Chain, database, state, block, fork.
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forkOverride*: Option[Fork] # Default fork is usually correct.
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origin*: Option[HostAddress] # Default origin is `sender`.
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gasPrice*: GasInt # Gas price for this call.
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gasLimit*: GasInt # Maximum gas available for this call.
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sender*: HostAddress # Sender account.
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to*: HostAddress # Recipient (ignored when `isCreate`).
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isCreate*: bool # True if this is a contract creation.
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value*: HostValue # Value sent from sender to recipient.
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input*: seq[byte] # Input data.
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proc hostToComputationMessage(msg: EvmcMessage): Message =
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Message(
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kind: CallKind(msg.kind),
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depth: msg.depth,
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gas: msg.gas,
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sender: msg.sender.fromEvmc,
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contractAddress: msg.destination.fromEvmc,
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codeAddress: msg.destination.fromEvmc,
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value: msg.value.fromEvmc,
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# When input size is zero, input data pointer may be null.
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data: if msg.input_size <= 0: @[]
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else: @(makeOpenArray(msg.input_data, msg.input_size.int)),
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flags: if msg.isStatic: emvcStatic else: emvcNoFlags
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)
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proc setupCall(call: CallParams): TransactionHost =
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let vmState = call.vmState
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vmState.setupTxContext(
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origin = call.origin.get(call.sender),
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gasPrice = call.gasPrice,
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forkOverride = call.forkOverride
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)
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let host = TransactionHost(
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vmState: vmState,
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msg: EvmcMessage(
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kind: if call.isCreate: EVMC_CREATE else: EVMC_CALL,
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# Default: flags: {},
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# Default: depth: 0,
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gas: call.gasLimit,
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destination: call.to.toEvmc,
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sender: call.sender.toEvmc,
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value: call.value.toEvmc,
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)
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# All other defaults in `TransactionHost` are fine.
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)
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if call.input.len > 0:
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host.msg.input_size = call.input.len.csize_t
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# Must copy the data so the `host.msg.input_data` pointer
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# remains valid after the end of `call` lifetime.
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host.input = call.input
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host.msg.input_data = host.input[0].addr
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let cMsg = hostToComputationMessage(host.msg)
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host.computation = newComputation(vmState, cMsg)
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return host
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proc setupComputation*(call: CallParams): Computation =
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return setupCall(call).computation
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@ -7,76 +7,12 @@
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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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eth/common/eth_types, stint, options, stew/byteutils, stew/ranges/ptr_arith,
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eth/common/eth_types, stint, options, stew/byteutils,
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".."/[vm_types, vm_types2, vm_state, vm_computation, utils],
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".."/[db/db_chain, config, vm_state_transactions, rpc/hexstrings],
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".."/[db/accounts_cache, transaction, vm_precompiles, vm_gas_costs], eth/trie/db,
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".."/vm_internals,
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./host_types
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proc hostToComputationMessage(msg: EvmcMessage): Message =
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Message(
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kind: CallKind(msg.kind),
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depth: msg.depth,
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gas: msg.gas,
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sender: msg.sender.fromEvmc,
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contractAddress: msg.destination.fromEvmc,
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codeAddress: msg.destination.fromEvmc,
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value: msg.value.fromEvmc,
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# When input size is zero, input data pointer may be null.
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data: if msg.input_size <= 0: @[]
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else: @(makeOpenArray(msg.input_data, msg.input_size.int)),
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flags: if msg.isStatic: emvcStatic else: emvcNoFlags
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)
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type
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CallParams = object
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vmState: BaseVMState
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forkOverride: Option[Fork]
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origin: Option[HostAddress]
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gasPrice: GasInt
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gasLimit: GasInt
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sender: HostAddress
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to: HostAddress
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isCreate: bool
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value: HostValue
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input: seq[byte]
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proc setupCall(call: CallParams): TransactionHost =
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let vmState = call.vmState
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vmState.setupTxContext(
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origin = call.origin.get(call.sender),
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gasPrice = call.gasPrice,
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forkOverride = call.forkOverride
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)
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let host = TransactionHost(
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vmState: vmState,
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msg: EvmcMessage(
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kind: if call.isCreate: EVMC_CREATE else: EVMC_CALL,
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# Default: flags: {},
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# Default: depth: 0,
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gas: call.gasLimit,
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destination: call.to.toEvmc,
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sender: call.sender.toEvmc,
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value: call.value.toEvmc,
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)
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# All other defaults in `TransactionHost` are fine.
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)
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if call.input.len > 0:
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host.msg.input_size = call.input.len.csize_t
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# Must copy the data so the `host.msg.input_data` pointer
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# remains valid after the end of `call` lifetime.
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host.input = call.input
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host.msg.input_data = host.input[0].addr
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let cMsg = hostToComputationMessage(host.msg)
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host.computation = newComputation(vmState, cMsg)
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return host
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proc setupComputation(call: CallParams): Computation =
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return setupCall(call).computation
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./call_common
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type
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RpcCallData* = object
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