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net.go
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net.go
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package core
import (
"errors"
"fmt"
"strings"
"github.com/cometbft/cometbft/p2p"
ctypes "github.com/cometbft/cometbft/rpc/core/types"
rpctypes "github.com/cometbft/cometbft/rpc/jsonrpc/types"
)
// NetInfo returns network info.
// More: https://docs.cometbft.com/v0.38.x/rpc/#/Info/net_info
func (env *Environment) NetInfo(*rpctypes.Context) (*ctypes.ResultNetInfo, error) {
peersList := env.P2PPeers.Peers().List()
peers := make([]ctypes.Peer, 0, len(peersList))
for _, peer := range peersList {
nodeInfo, ok := peer.NodeInfo().(p2p.DefaultNodeInfo)
if !ok {
return nil, fmt.Errorf("peer.NodeInfo() is not DefaultNodeInfo")
}
peers = append(peers, ctypes.Peer{
NodeInfo: nodeInfo,
IsOutbound: peer.IsOutbound(),
ConnectionStatus: peer.Status(),
RemoteIP: peer.RemoteIP().String(),
})
}
// TODO: Should we include PersistentPeers and Seeds in here?
// PRO: useful info
// CON: privacy
return &ctypes.ResultNetInfo{
Listening: env.P2PTransport.IsListening(),
Listeners: env.P2PTransport.Listeners(),
NPeers: len(peers),
Peers: peers,
}, nil
}
// UnsafeDialSeeds dials the given seeds (comma-separated id@IP:PORT).
func (env *Environment) UnsafeDialSeeds(_ *rpctypes.Context, seeds []string) (*ctypes.ResultDialSeeds, error) {
if len(seeds) == 0 {
return &ctypes.ResultDialSeeds{}, errors.New("no seeds provided")
}
env.Logger.Info("DialSeeds", "seeds", seeds)
if err := env.P2PPeers.DialPeersAsync(seeds); err != nil {
return &ctypes.ResultDialSeeds{}, err
}
return &ctypes.ResultDialSeeds{Log: "Dialing seeds in progress. See /net_info for details"}, nil
}
// UnsafeDialPeers dials the given peers (comma-separated id@IP:PORT),
// optionally making them persistent.
func (env *Environment) UnsafeDialPeers(
_ *rpctypes.Context,
peers []string,
persistent, unconditional, private bool,
) (*ctypes.ResultDialPeers, error) {
if len(peers) == 0 {
return &ctypes.ResultDialPeers{}, errors.New("no peers provided")
}
ids, err := getIDs(peers)
if err != nil {
return &ctypes.ResultDialPeers{}, err
}
env.Logger.Info("DialPeers", "peers", peers, "persistent",
persistent, "unconditional", unconditional, "private", private)
if persistent {
if err := env.P2PPeers.AddPersistentPeers(peers); err != nil {
return &ctypes.ResultDialPeers{}, err
}
}
if private {
if err := env.P2PPeers.AddPrivatePeerIDs(ids); err != nil {
return &ctypes.ResultDialPeers{}, err
}
}
if unconditional {
if err := env.P2PPeers.AddUnconditionalPeerIDs(ids); err != nil {
return &ctypes.ResultDialPeers{}, err
}
}
if err := env.P2PPeers.DialPeersAsync(peers); err != nil {
return &ctypes.ResultDialPeers{}, err
}
return &ctypes.ResultDialPeers{Log: "Dialing peers in progress. See /net_info for details"}, nil
}
// Genesis returns genesis file.
// More: https://docs.cometbft.com/v0.38.x/rpc/#/Info/genesis
func (env *Environment) Genesis(*rpctypes.Context) (*ctypes.ResultGenesis, error) {
if len(env.genChunks) > 1 {
return nil, errors.New("genesis response is large, please use the genesis_chunked API instead")
}
return &ctypes.ResultGenesis{Genesis: env.GenDoc}, nil
}
func (env *Environment) GenesisChunked(_ *rpctypes.Context, chunk uint) (*ctypes.ResultGenesisChunk, error) {
if env.genChunks == nil {
return nil, fmt.Errorf("service configuration error, genesis chunks are not initialized")
}
if len(env.genChunks) == 0 {
return nil, fmt.Errorf("service configuration error, there are no chunks")
}
id := int(chunk)
if id > len(env.genChunks)-1 {
return nil, fmt.Errorf("there are %d chunks, %d is invalid", len(env.genChunks)-1, id)
}
return &ctypes.ResultGenesisChunk{
TotalChunks: len(env.genChunks),
ChunkNumber: id,
Data: env.genChunks[id],
}, nil
}
func getIDs(peers []string) ([]string, error) {
ids := make([]string, 0, len(peers))
for _, peer := range peers {
spl := strings.Split(peer, "@")
if len(spl) != 2 {
return nil, p2p.ErrNetAddressNoID{Addr: peer}
}
ids = append(ids, spl[0])
}
return ids, nil
}