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84 lines
1.9 KiB
84 lines
1.9 KiB
// nolint: gosec
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package main
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"math/rand"
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"os"
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"path/filepath"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/internal/p2p"
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"github.com/tendermint/tendermint/internal/p2p/pex"
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tmp2p "github.com/tendermint/tendermint/proto/tendermint/p2p"
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"github.com/tendermint/tendermint/types"
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)
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func main() {
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baseDir := flag.String("base", ".", `where the "corpus" directory will live`)
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flag.Parse()
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initCorpus(*baseDir)
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}
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func initCorpus(rootDir string) {
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log.SetFlags(0)
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corpusDir := filepath.Join(rootDir, "corpus")
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if err := os.MkdirAll(corpusDir, 0755); err != nil {
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log.Fatalf("Creating %q err: %v", corpusDir, err)
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}
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sizes := []int{0, 1, 2, 17, 5, 31}
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// Make the PRNG predictable
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rand.Seed(10)
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for _, n := range sizes {
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var addrs []*p2p.NetAddress
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// IPv4 addresses
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for i := 0; i < n; i++ {
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privKey := ed25519.GenPrivKey()
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addr := fmt.Sprintf(
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"%s@%v.%v.%v.%v:26656",
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types.NodeIDFromPubKey(privKey.PubKey()),
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rand.Int()%256,
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rand.Int()%256,
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rand.Int()%256,
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rand.Int()%256,
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)
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netAddr, _ := types.NewNetAddressString(addr)
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addrs = append(addrs, netAddr)
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}
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// IPv6 addresses
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privKey := ed25519.GenPrivKey()
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ipv6a, err := types.NewNetAddressString(
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fmt.Sprintf("%s@[ff02::1:114]:26656", types.NodeIDFromPubKey(privKey.PubKey())))
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if err != nil {
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log.Fatalf("can't create a new netaddress: %v", err)
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}
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addrs = append(addrs, ipv6a)
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msg := tmp2p.PexMessage{
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Sum: &tmp2p.PexMessage_PexResponse{
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PexResponse: &tmp2p.PexResponse{Addresses: pex.NetAddressesToProto(addrs)},
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},
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}
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bz, err := msg.Marshal()
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if err != nil {
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log.Fatalf("unable to marshal: %v", err)
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}
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filename := filepath.Join(rootDir, "corpus", fmt.Sprintf("%d", n))
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if err := ioutil.WriteFile(filename, bz, 0644); err != nil {
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log.Fatalf("can't write %X to %q: %v", bz, filename, err)
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}
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log.Printf("wrote %q", filename)
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}
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}
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