mirror of
https://github.com/ethereum/go-ethereum.git
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102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package main
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/console/prompt"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/eth/ethconfig"
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"github.com/ethereum/go-ethereum/internal/debug"
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"github.com/ethereum/go-ethereum/internal/flags"
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"github.com/ethereum/go-ethereum/params"
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"github.com/urfave/cli/v2"
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"go.uber.org/automaxprocs/maxprocs"
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"os"
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)
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var (
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BlockWitnessFlag = &cli.StringFlag{
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Name: "block-witness",
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Usage: "foo bar",
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}
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)
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var app = flags.NewApp("stateless block executor")
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func init() {
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// Initialize the CLI app and start Geth
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app.Action = stateless
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app.Copyright = "Copyright 2013-2023 The go-ethereum Authors"
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app.Flags = []cli.Flag{
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BlockWitnessFlag,
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}
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app.Before = func(ctx *cli.Context) error {
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maxprocs.Set() // Automatically set GOMAXPROCS to match Linux container CPU quota.
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if err := debug.Setup(ctx); err != nil {
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return err
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}
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return nil
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}
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app.After = func(ctx *cli.Context) error {
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debug.Exit()
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prompt.Stdin.Close() // Resets terminal mode.
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return nil
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}
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}
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func stateless(ctx *cli.Context) error {
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var vmConfig vm.Config
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blockWitnessPath := ctx.String(BlockWitnessFlag.Name)
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if blockWitnessPath == "" {
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panic("block witness required")
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}
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b, err := os.ReadFile(blockWitnessPath)
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if err != nil {
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panic(err)
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}
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block, witness, err := state.DecodeWitnessRLP(b)
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if err != nil {
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panic(err)
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}
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memoryDb := witness.PopulateMemoryDB()
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db, err := state.New(witness.Root(), state.NewDatabase(memoryDb), nil)
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if err != nil {
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panic(err)
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}
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// TODO: we will want to parameterize the chain config. hard-coding here for testing in the mean-time.
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chainConfig := params.AllDevChainProtocolChanges //params.MainnetChainConfig
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engine, err := ethconfig.CreateConsensusEngine(chainConfig, memoryDb)
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if err != nil {
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panic(err)
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}
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validator := core.NewBlockValidator(chainConfig, nil, engine)
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processor := core.NewStateProcessor(chainConfig, nil, engine)
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receipts, logs, usedGas, err := processor.ProcessStateless(witness, block, db, vmConfig)
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if err != nil {
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panic(err)
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}
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_ = logs
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if err := validator.ValidateState(block, db, receipts, usedGas); err != nil {
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panic(err)
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}
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return nil
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}
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func main() {
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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