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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "io" | ||
| "net/http" | ||
| "slices" | ||
| "strings" | ||
|
|
||
| "github.com/ethereum/go-ethereum/internal/flags" | ||
| "github.com/ethereum/go-ethereum/log" | ||
| "github.com/ethereum/go-ethereum/p2p" | ||
| "github.com/ethereum/go-ethereum/p2p/nat" | ||
| "github.com/urfave/cli/v2" | ||
| ) | ||
|
|
||
| var ( | ||
| GoatNetworkFlag = &cli.StringFlag{ | ||
| Name: "goat", | ||
| Usage: "Run goat network", | ||
| Category: flags.EthCategory, | ||
| } | ||
|
|
||
| GoatPresetFlag = &cli.StringFlag{ | ||
| Name: "goat.preset", | ||
| Usage: "Goat node preset", | ||
| Category: flags.NetworkingCategory, | ||
| } | ||
| ) | ||
|
|
||
| func getPublicIP() (string, error) { | ||
| resp, err := http.Get("https://checkip.amazonaws.com") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| data, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return strings.TrimSpace(string(data)), nil | ||
| } | ||
|
|
||
| func useGoatBootnodePreset(ctx *cli.Context, cfg *p2p.Config) { | ||
| if !isGoatPreset(ctx, "bootnode") { | ||
| return | ||
| } | ||
|
|
||
| ip, err := getPublicIP() | ||
| if err != nil { | ||
| log.Error("Failed to fetch external ip", "err", err.Error()) | ||
| return | ||
| } | ||
| log.Info("Set external public IP", "ip", ip) | ||
| natif, err := nat.Parse("extip:" + ip) | ||
| if err != nil { | ||
| Fatalf("Failed to parse external ip", "err", err.Error()) | ||
| } | ||
| cfg.NAT = natif | ||
| cfg.MaxPeers = 200 | ||
| } | ||
|
|
||
| func isGoatPreset(ctx *cli.Context, preset string) bool { | ||
| if !ctx.IsSet(GoatPresetFlag.Name) { | ||
| return false | ||
| } | ||
|
|
||
| presets := strings.Split(ctx.String(GoatPresetFlag.Name), ",") | ||
| return slices.Contains(presets, preset) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package core | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/ethereum/go-ethereum/core/types" | ||
| "github.com/ethereum/go-ethereum/params" | ||
| "github.com/ethereum/go-ethereum/trie" | ||
| ) | ||
|
|
||
| func (v *BlockValidator) validateGoatBlock(block *types.Block) error { | ||
| if v.config.Goat == nil { | ||
| return nil | ||
| } | ||
|
|
||
| extra := block.Header().Extra | ||
| if len(extra) != params.GoatHeaderExtraLengthV0 { | ||
| return fmt.Errorf("no goat tx root found (block %x)", block.Number()) | ||
| } | ||
|
|
||
| txLen, txRoot := int(extra[0]), common.BytesToHash(extra[1:]) | ||
| if l := block.Transactions().Len(); l < txLen { | ||
| return fmt.Errorf("txs length(%d) is less than goat tx length %d", l, txLen) | ||
| } | ||
| if hash := types.DeriveSha(block.Transactions()[:txLen], trie.NewStackTrie(nil)); hash != txRoot { | ||
| return fmt.Errorf("goat tx root hash mismatch (header value %x, calculated %x)", txRoot, hash) | ||
| } | ||
| if len(block.Withdrawals()) > 0 { | ||
| return errors.New("withdrawals not allowed for goat-geth") | ||
| } | ||
|
|
||
| for i, tx := range block.Transactions() { | ||
| if i < txLen { | ||
| if !tx.IsGoatTx() { | ||
| return fmt.Errorf("transaction %d should be goat tx", i) | ||
| } | ||
| if tx.To() == nil { | ||
| return fmt.Errorf("goat tx %d should have a to address", i) | ||
| } | ||
| } else { | ||
| if tx.IsGoatTx() { | ||
| return fmt.Errorf("transaction %d should not be goat tx", i) | ||
| } | ||
| if tx.Type() == types.BlobTxType { | ||
| return fmt.Errorf("blob transaction %d is not allowed", i) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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