84 lines
2.5 KiB
Nim
84 lines
2.5 KiB
Nim
# Nimbus
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# Copyright (c) 2024 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))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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{.push raises: [].}
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import
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chronicles,
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eth/common/[addresses, headers],
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web3/eth_api_types,
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../transaction/call_common,
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../evm/types,
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../evm/evm_errors,
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../constants
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const
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ZeroAddr = ZERO_ADDRESS
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func sender*(args: TransactionArgs): Address =
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args.source.get(ZeroAddr)
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func destination*(args: TransactionArgs): Address =
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args.to.get(ZeroAddr)
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proc toCallParams*(vmState: BaseVMState, args: TransactionArgs,
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globalGasCap: GasInt, baseFee: Opt[UInt256]): EvmResult[CallParams] =
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# Reject invalid combinations of pre- and post-1559 fee styles
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if args.gasPrice.isSome and
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(args.maxFeePerGas.isSome or args.maxPriorityFeePerGas.isSome):
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return err(evmErr(EvmInvalidParam))
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# Set default gas & gas price if none were set
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var gasLimit = globalGasCap
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if gasLimit == 0:
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gasLimit = high(uint64) div 2
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if args.gas.isSome:
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gasLimit = GasInt args.gas.get()
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if globalGasCap != 0 and globalGasCap < gasLimit:
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warn "Caller gas above allowance, capping",
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requested = gasLimit,
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cap = globalGasCap,
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gasLimit = globalGasCap
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var gasPrice = GasInt args.gasPrice.get(0.Quantity)
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if baseFee.isSome:
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# A basefee is provided, necessitating EIP-1559-type execution
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let maxPriorityFee = GasInt args.maxPriorityFeePerGas.get(0.Quantity)
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let maxFee = GasInt args.maxFeePerGas.get(0.Quantity)
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# Backfill the legacy gasPrice for EVM execution, unless we're all zeroes
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if maxPriorityFee > 0 or maxFee > 0:
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let baseFee = baseFee.get().truncate(GasInt)
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let priorityFee = min(maxPriorityFee, maxFee - baseFee)
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gasPrice = priorityFee + baseFee
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template versionedHashes(args: TransactionArgs): seq[VersionedHash] =
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if args.blobVersionedHashes.isSome:
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args.blobVersionedHashes.get
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else:
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@[]
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ok(CallParams(
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vmState: vmState,
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sender: args.sender,
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to: args.destination,
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isCreate: args.to.isNone,
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gasLimit: gasLimit,
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gasPrice: gasPrice,
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value: args.value.get(0.u256),
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input: args.payload(),
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accessList: args.accessList.get(@[]),
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versionedHashes: args.versionedHashes,
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))
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{.pop.}
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