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https://github.com/ethereum/go-ethereum.git
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73f4ec86e7
Reintroduce evmone as an EVM interpreter option behind the 'evmone' build tag. Includes gas refund propagation from evmone to Go StateDB, and C memory allocation for all parameters passed across the CGO boundary.
86 lines
2.8 KiB
Go
86 lines
2.8 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package vm
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import (
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/tracing"
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"github.com/holiman/uint256"
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)
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// Config are the configuration options for the Interpreter
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type Config struct {
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Tracer *tracing.Hooks
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NoBaseFee bool // Forces the EIP-1559 baseFee to 0 (needed for 0 price calls)
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EnablePreimageRecording bool // Enables recording of SHA3/keccak preimages
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ExtraEips []int // Additional EIPS that are to be enabled
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StatelessSelfValidation bool // Generate execution witnesses and self-check against them (testing purpose)
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EnableWitnessStats bool // Whether trie access statistics collection is enabled
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}
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// ScopeContext contains the things that are per-call, such as stack and memory,
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// but not transients like pc and gas
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type ScopeContext struct {
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Memory *Memory
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Stack *Stack
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Contract *Contract
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}
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// MemoryData returns the underlying memory slice. Callers must not modify the contents
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// of the returned data.
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func (ctx *ScopeContext) MemoryData() []byte {
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if ctx.Memory == nil {
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return nil
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}
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return ctx.Memory.Data()
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}
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// StackData returns the stack data. Callers must not modify the contents
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// of the returned data.
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func (ctx *ScopeContext) StackData() []uint256.Int {
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if ctx.Stack == nil {
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return nil
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}
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return ctx.Stack.Data()
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}
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// Caller returns the current caller.
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func (ctx *ScopeContext) Caller() common.Address {
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return ctx.Contract.Caller()
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}
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// Address returns the address where this scope of execution is taking place.
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func (ctx *ScopeContext) Address() common.Address {
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return ctx.Contract.Address()
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}
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// CallValue returns the value supplied with this call.
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func (ctx *ScopeContext) CallValue() *uint256.Int {
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return ctx.Contract.Value()
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}
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// CallInput returns the input/calldata with this call. Callers must not modify
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// the contents of the returned data.
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func (ctx *ScopeContext) CallInput() []byte {
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return ctx.Contract.Input
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}
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// ContractCode returns the code of the contract being executed.
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func (ctx *ScopeContext) ContractCode() []byte {
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return ctx.Contract.Code
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}
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