go-waku/examples/chat2/options.go

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package main
import (
"crypto/ecdsa"
"errors"
"github.com/ethereum/go-ethereum/common"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/multiformats/go-multiaddr"
"github.com/urfave/cli/v2"
)
// DiscV5Options are settings to enable a modified version of Ethereums Node
// Discovery Protocol v5 as a means for ambient node discovery.
type DiscV5Options struct {
Enable bool
Nodes cli.StringSlice
Port int
AutoUpdate bool
}
// RelayOptions are settings to enable the relay protocol which is a pubsub
// approach to peer-to-peer messaging with a strong focus on privacy,
// censorship-resistance, security and scalability.
type RelayOptions struct {
Enable bool
Topics cli.StringSlice
}
type RLNRelayOptions struct {
Enable bool
CredentialsPath string
MembershipIndex int
PubsubTopic string
ContentTopic string
Dynamic bool
ETHPrivateKey *ecdsa.PrivateKey
ETHClientAddress string
MembershipContractAddress common.Address
}
// FilterOptions are settings used to enable filter protocol. This is a protocol
// that enables subscribing to messages that a peer receives. This is a more
// lightweight version of WakuRelay specifically designed for bandwidth
// restricted devices.
type FilterOptions struct {
Enable bool
Node *multiaddr.Multiaddr
}
func (f FilterOptions) NodePeerID() (peer.ID, error) {
if f.Node == nil {
return peer.ID(""), errors.New("node is nil")
}
peerID, err := (*f.Node).ValueForProtocol(multiaddr.P_P2P)
if err != nil {
return peer.ID(""), err
}
return peer.Decode(peerID)
}
// LightpushOptions are settings used to enable the lightpush protocol. This is
// a lightweight protocol used to avoid having to run the relay protocol which
// is more resource intensive. With this protocol a message is pushed to a peer
// that supports both the lightpush protocol and relay protocol. That peer will
// broadcast the message and return a confirmation that the message was
// broadcasted
type LightpushOptions struct {
Enable bool
Node *multiaddr.Multiaddr
}
func (f LightpushOptions) NodePeerID() (peer.ID, error) {
if f.Node == nil {
return peer.ID(""), errors.New("node is nil")
}
peerID, err := (*f.Node).ValueForProtocol(multiaddr.P_P2P)
if err != nil {
return peer.ID(""), err
}
return peer.Decode(peerID)
}
// StoreOptions are settings used for enabling the store protocol, used to
// retrieve message history from other nodes
type StoreOptions struct {
Enable bool
Node *multiaddr.Multiaddr
}
func (f StoreOptions) NodePeerID() (peer.ID, error) {
if f.Node == nil {
return peer.ID(""), errors.New("node is nil")
}
peerID, err := (*f.Node).ValueForProtocol(multiaddr.P_P2P)
if err != nil {
return peer.ID(""), err
}
return peer.Decode(peerID)
}
// DNSDiscoveryOptions are settings used for enabling DNS-based discovery
// protocol that stores merkle trees in DNS records which contain connection
// information for nodes. It's very useful for bootstrapping a p2p network.
type DNSDiscoveryOptions struct {
Enable bool
URL string
Nameserver string
}
type Fleet string
const fleetNone Fleet = "none"
const fleetProd Fleet = "prod"
const fleetTest Fleet = "test"
// Options contains all the available features and settings that can be
// configured via flags when executing chat2
type Options struct {
Port int
Fleet Fleet
Address string
NodeKey *ecdsa.PrivateKey
ContentTopic string
UsePayloadV1 bool
Nickname string
StaticNodes []multiaddr.Multiaddr
Relay RelayOptions
Store StoreOptions
Filter FilterOptions
LightPush LightpushOptions
RLNRelay RLNRelayOptions
DiscV5 DiscV5Options
DNSDiscovery DNSDiscoveryOptions
}