103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"fmt"
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"net"
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"github.com/ethereum/go-ethereum/cmd/devp2p/internal/ethtest"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/rlpx"
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"github.com/ethereum/go-ethereum/rlp"
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"gopkg.in/urfave/cli.v1"
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)
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var (
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rlpxCommand = cli.Command{
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Name: "rlpx",
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Usage: "RLPx Commands",
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Subcommands: []cli.Command{
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rlpxPingCommand,
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rlpxEthTestCommand,
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},
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}
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rlpxPingCommand = cli.Command{
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Name: "ping",
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Usage: "ping <node>",
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Action: rlpxPing,
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}
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rlpxEthTestCommand = cli.Command{
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Name: "eth-test",
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Usage: "Runs tests against a node",
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ArgsUsage: "<node> <chain.rlp> <genesis.json>",
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Action: rlpxEthTest,
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Flags: []cli.Flag{
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testPatternFlag,
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testTAPFlag,
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},
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}
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)
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func rlpxPing(ctx *cli.Context) error {
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n := getNodeArg(ctx)
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fd, err := net.Dial("tcp", fmt.Sprintf("%v:%d", n.IP(), n.TCP()))
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if err != nil {
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return err
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}
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conn := rlpx.NewConn(fd, n.Pubkey())
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ourKey, _ := crypto.GenerateKey()
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_, err = conn.Handshake(ourKey)
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if err != nil {
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return err
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}
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code, data, _, err := conn.Read()
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if err != nil {
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return err
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}
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switch code {
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case 0:
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var h ethtest.Hello
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if err := rlp.DecodeBytes(data, &h); err != nil {
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return fmt.Errorf("invalid handshake: %v", err)
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}
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fmt.Printf("%+v\n", h)
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case 1:
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var msg []p2p.DiscReason
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if rlp.DecodeBytes(data, &msg); len(msg) == 0 {
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return fmt.Errorf("invalid disconnect message")
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}
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return fmt.Errorf("received disconnect message: %v", msg[0])
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default:
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return fmt.Errorf("invalid message code %d, expected handshake (code zero)", code)
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}
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return nil
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}
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// rlpxEthTest runs the eth protocol test suite.
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func rlpxEthTest(ctx *cli.Context) error {
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if ctx.NArg() < 3 {
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exit("missing path to chain.rlp as command-line argument")
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}
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suite, err := ethtest.NewSuite(getNodeArg(ctx), ctx.Args()[1], ctx.Args()[2])
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if err != nil {
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exit(err)
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}
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return runTests(ctx, suite.EthTests())
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}
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