params.go

package cfg

import (
	"github.com/multiformats/go-multiaddr"
	"os"

	"github.com/indra-labs/indra/pkg/node"
	log2 "github.com/indra-labs/indra/pkg/proc/log"
)

var (
	log   = log2.GetLogger()
	check = log.E.Chk
)

const (
	// MainNet is the identifier string for the main production network.
	MainNet = "mainnet"
	// TestNet is the identifier string for the test network.
	TestNet = "testnet"
	// SimNet is the identifier string for simulation networks.
	SimNet = "simnet"
)

// Params is the specification for an indranet swarm (mainnet, testnet, etc).
type Params struct {

	// Name defines a human-readable identifier for the network
	Name string

	// Net is a uint32 magic byte identifier for the network
	Net node.Swarm

	// DefaultPort is the default port for p2p listening
	DefaultPort string

	// DNSSeedAddresses is a list of DNS hostnames used to bootstrap a new node on the network
	DNSSeedAddresses []*SeedAddress
}

// SelectNetworkParams returns the network parameters associated with the network name.
func SelectNetworkParams(network string) *Params {

	if nw, ok := params[network]; ok {
		return nw
	}
	panic("invalid network, exiting...")

	os.Exit(1)

	return nil
}

// ParseSeedMultiAddresses returns the addresses of the seeds as a slice of multiaddr.Multiaddr.
func (p *Params) ParseSeedMultiAddresses() (addresses []multiaddr.Multiaddr, err error) {

	var adr multiaddr.Multiaddr

	addresses = []multiaddr.Multiaddr{}

	for _, addr := range p.DNSSeedAddresses {

		if adr, err = multiaddr.NewMultiaddr("/dns4/" + addr.DNSAddress + "/tcp/" + p.DefaultPort + "/p2p/" + addr.ID); check(err) {
			return
		}

		addresses = append(addresses, adr)
	}

	return
}

// GetSeedsMultiAddrStrings returns the seeds multiaddrs as encoded strings.
func (p *Params) GetSeedsMultiAddrStrings() (seeds []string) {
	for _, addr := range p.DNSSeedAddresses {
		seeds = append(seeds, "/dns4/"+addr.DNSAddress+"/tcp/"+
			p.DefaultPort+"/p2p/"+addr.ID)
	}
	return
}

var (
	params = map[string]*Params{
		MainNet: {

			Name: "mainnet",

			Net: node.MainNet,

			DefaultPort: "8337",

			DNSSeedAddresses: []*SeedAddress{
				NewSeedAddress("seed0.indra.org", "12D3KooWCfTmWavthiVV7Vkm9eouCdiLdGnhd2PShQ2hiu2VVU6Q"),
				NewSeedAddress("seed1.indra.org", "12D3KooWASwYWP2gMh581EQG25nauvWfwAU3g6v8TugEoEzL5Ags"),
				NewSeedAddress("seed2.indra.org", "12D3KooWFW7k2YcxjZrqWXJhmoCTNiNtgjLkEUeqgvZRAF3xHZjs"),
				NewSeedAddress("seed3.indra.org", "12D3KooWPxx3WMiCv3SwBNfrM6peGBWDypJqqxfdGgZKpr7BF9Vo"),
				// NewSeedAddress("seed0.example.com", "12D3KooWDj2wXRVPRVP8HcQXTyAXeigAAjaX6hgdgALyNFuK1Htv"),
				// NewSeedAddress("seed1.example.com", "12D3KooWMkBp6E2qjz2saq9eocT9FTh3zuoP5yAcFgFGSfXoZN8K"),
				// NewSeedAddress("seed2.example.com", "12D3KooWEonhWcCp6FMwycNFrE5hSDbPdezy5ftBcHLxLPoESzgZ"),
				// NewSeedAddress("seed3.example.com", "12D3KooWFq8irCNNCdE4zxjcUGVdG47fnPSd4hj9MsxH8RAunHTx"),
			},
		},
		TestNet: {

			Name: "testnet",

			Net: node.TestNet,

			DefaultPort: "58337",

			DNSSeedAddresses: []*SeedAddress{
				// NewSeedAddress("seed0.indra.org", "12D3KooWCfTmWavthiVV7Vkm9eouCdiLdGnhd2PShQ2hiu2VVU6Q"),
				// NewSeedAddress("seed1.indra.org", "12D3KooWASwYWP2gMh581EQG25nauvWfwAU3g6v8TugEoEzL5Ags"),
				// NewSeedAddress("seed2.indra.org", "12D3KooWFW7k2YcxjZrqWXJhmoCTNiNtgjLkEUeqgvZRAF3xHZjs"),
				// NewSeedAddress("seed3.indra.org", "12D3KooWPxx3WMiCv3SwBNfrM6peGBWDypJqqxfdGgZKpr7BF9Vo"),
				// NewSeedAddress("seed0.example.com", "12D3KooWDj2wXRVPRVP8HcQXTyAXeigAAjaX6hgdgALyNFuK1Htv"),
				// NewSeedAddress("seed1.example.com", "12D3KooWMkBp6E2qjz2saq9eocT9FTh3zuoP5yAcFgFGSfXoZN8K"),
				// NewSeedAddress("seed2.example.com", "12D3KooWEonhWcCp6FMwycNFrE5hSDbPdezy5ftBcHLxLPoESzgZ"),
				// NewSeedAddress("seed3.example.com", "12D3KooWFq8irCNNCdE4zxjcUGVdG47fnPSd4hj9MsxH8RAunHTx"),
			},
		},
		SimNet: {

			Name: "simnet",

			Net: node.SimNet,

			DefaultPort: "62134",

			// Should be passed via --seed
			DNSSeedAddresses: []*SeedAddress{
				NewSeedAddress("seed0", "16Uiu2HAmHL9cwDdGdGEQk7K5xTBH3rUKoRWS3tWgjej9WmjMG6L9"),
				NewSeedAddress("seed1", "16Uiu2HAm3ZVpmNPnk67eCKsR3HCMSLhbw3THcBDpyKwCE5GNgHVN"),
				NewSeedAddress("seed2", "16Uiu2HAmTP7o9yyuFz8f5sRGr7KTamuMo6UguuTqPMaJavdGX7Ju"),
			},
		},
	}
)