// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package params

import "github.com/ethereum/go-ethereum/common"

// MainnetBootnodes are the enode URLs of the P2P bootstrap nodes running on
// the main Ethereum network.
var MainnetBootnodes = []string{
	// Ethereum Foundation Go Bootnodes
	"enode://d860a01f9722d78051619d1e2351aba3f43f943f6f00718d1b9baa4101932a1f5011f16bb2b1bb35db20d6fe28fa0bf09636d26a87d31de9ec6203eeedb1f666@18.138.108.67:30303",   // bootnode-aws-ap-southeast-1-001
	"enode://22a8232c3abc76a16ae9d6c3b164f98775fe226f0917b0ca871128a74a8e9630b458460865bab457221f1d448dd9791d24c4e5d88786180ac185df813a68d4de@3.209.45.79:30303",     // bootnode-aws-us-east-1-001
	"enode://ca6de62fce278f96aea6ec5a2daadb877e51651247cb96ee310a318def462913b653963c155a0ef6c7d50048bba6e6cea881130857413d9f50a621546b590758@34.255.23.113:30303",   // bootnode-aws-eu-west-1-001
	"enode://279944d8dcd428dffaa7436f25ca0ca43ae19e7bcf94a8fb7d1641651f92d121e972ac2e8f381414b80cc8e5555811c2ec6e1a99bb009b3f53c4c69923e11bd8@35.158.244.151:30303",  // bootnode-aws-eu-central-1-001
	"enode://8499da03c47d637b20eee24eec3c356c9a2e6148d6fe25ca195c7949ab8ec2c03e3556126b0d7ed644675e78c4318b08691b7b57de10e5f0d40d05b09238fa0a@52.187.207.27:30303",   // bootnode-azure-australiaeast-001
	"enode://103858bdb88756c71f15e9b5e09b56dc1be52f0a5021d46301dbbfb7e130029cc9d0d6f73f693bc29b665770fff7da4d34f3c6379fe12721b5d7a0bcb5ca1fc1@191.234.162.198:30303", // bootnode-azure-brazilsouth-001
	"enode://715171f50508aba88aecd1250af392a45a330af91d7b90701c436b618c86aaa1589c9184561907bebbb56439b8f8787bc01f49a7c77276c58c1b09822d75e8e8@52.231.165.108:30303",  // bootnode-azure-koreasouth-001
	"enode://5d6d7cd20d6da4bb83a1d28cadb5d409b64edf314c0335df658c1a54e32c7c4a7ab7823d57c39b6a757556e68ff1df17c748b698544a55cb488b52479a92b60f@104.42.217.25:30303",   // bootnode-azure-westus-001
}

// RopstenBootnodes are the enode URLs of the P2P bootstrap nodes running on the
// Ropsten test network.
var RopstenBootnodes = []string{
	"enode://30b7ab30a01c124a6cceca36863ece12c4f5fa68e3ba9b0b51407ccc002eeed3b3102d20a88f1c1d3c3154e2449317b8ef95090e77b312d5cc39354f86d5d606@52.176.7.10:30303",    // US-Azure geth
	"enode://865a63255b3bb68023b6bffd5095118fcc13e79dcf014fe4e47e065c350c7cc72af2e53eff895f11ba1bbb6a2b33271c1116ee870f266618eadfc2e78aa7349c@52.176.100.77:30303",  // US-Azure parity
	"enode://6332792c4a00e3e4ee0926ed89e0d27ef985424d97b6a45bf0f23e51f0dcb5e66b875777506458aea7af6f9e4ffb69f43f3778ee73c81ed9d34c51c4b16b0b0f@52.232.243.152:30303", // Parity
	"enode://94c15d1b9e2fe7ce56e458b9a3b672ef11894ddedd0c6f247e0f1d3487f52b66208fb4aeb8179fce6e3a749ea93ed147c37976d67af557508d199d9594c35f09@192.81.208.223:30303", // @gpip
}

// RinkebyBootnodes are the enode URLs of the P2P bootstrap nodes running on the
// Rinkeby test network.
var RinkebyBootnodes = []string{
	"enode://a24ac7c5484ef4ed0c5eb2d36620ba4e4aa13b8c84684e1b4aab0cebea2ae45cb4d375b77eab56516d34bfbd3c1a833fc51296ff084b770b94fb9028c4d25ccf@52.169.42.101:30303", // IE
	"enode://343149e4feefa15d882d9fe4ac7d88f885bd05ebb735e547f12e12080a9fa07c8014ca6fd7f373123488102fe5e34111f8509cf0b7de3f5b44339c9f25e87cb8@52.3.158.184:30303",  // INFURA
	"enode://b6b28890b006743680c52e64e0d16db57f28124885595fa03a562be1d2bf0f3a1da297d56b13da25fb992888fd556d4c1a27b1f39d531bde7de1921c90061cc6@159.89.28.211:30303", // AKASHA
}

// GoerliBootnodes are the enode URLs of the P2P bootstrap nodes running on the
// Görli test network.
var GoerliBootnodes = []string{
	// Upstream bootnodes
	"enode://011f758e6552d105183b1761c5e2dea0111bc20fd5f6422bc7f91e0fabbec9a6595caf6239b37feb773dddd3f87240d99d859431891e4a642cf2a0a9e6cbb98a@51.141.78.53:30303",
	"enode://176b9417f511d05b6b2cf3e34b756cf0a7096b3094572a8f6ef4cdcb9d1f9d00683bf0f83347eebdf3b81c3521c2332086d9592802230bf528eaf606a1d9677b@13.93.54.137:30303",
	"enode://46add44b9f13965f7b9875ac6b85f016f341012d84f975377573800a863526f4da19ae2c620ec73d11591fa9510e992ecc03ad0751f53cc02f7c7ed6d55c7291@94.237.54.114:30313",
	"enode://b5948a2d3e9d486c4d75bf32713221c2bd6cf86463302339299bd227dc2e276cd5a1c7ca4f43a0e9122fe9af884efed563bd2a1fd28661f3b5f5ad7bf1de5949@18.218.250.66:30303",

	// Ethereum Foundation bootnode
	"enode://a61215641fb8714a373c80edbfa0ea8878243193f57c96eeb44d0bc019ef295abd4e044fd619bfc4c59731a73fb79afe84e9ab6da0c743ceb479cbb6d263fa91@3.11.147.67:30303",

	// Goerli Initiative bootnodes
	"enode://a869b02cec167211fb4815a82941db2e7ed2936fd90e78619c53eb17753fcf0207463e3419c264e2a1dd8786de0df7e68cf99571ab8aeb7c4e51367ef186b1dd@51.15.116.226:30303",
	"enode://807b37ee4816ecf407e9112224494b74dd5933625f655962d892f2f0f02d7fbbb3e2a94cf87a96609526f30c998fd71e93e2f53015c558ffc8b03eceaf30ee33@51.15.119.157:30303",
	"enode://a59e33ccd2b3e52d578f1fbd70c6f9babda2650f0760d6ff3b37742fdcdfdb3defba5d56d315b40c46b70198c7621e63ffa3f987389c7118634b0fefbbdfa7fd@51.15.119.157:40303",
}

// YoloV2Bootnodes are the enode URLs of the P2P bootstrap nodes running on the
// YOLOv2 ephemeral test network.
var YoloV2Bootnodes = []string{
	"enode://9e1096aa59862a6f164994cb5cb16f5124d6c992cdbf4535ff7dea43ea1512afe5448dca9df1b7ab0726129603f1a3336b631e4d7a1a44c94daddd03241587f9@3.9.20.133:30303",
}

const dnsPrefix = "enrtree://AKA3AM6LPBYEUDMVNU3BSVQJ5AD45Y7YPOHJLEF6W26QOE4VTUDPE@"

// KnownDNSNetwork returns the address of a public DNS-based node list for the given
// genesis hash and protocol. See https://github.com/ethereum/discv4-dns-lists for more
// information.
func KnownDNSNetwork(genesis common.Hash, protocol string) string {
	var net string
	switch genesis {
	case MainnetGenesisHash:
		net = "mainnet"
	case RopstenGenesisHash:
		net = "ropsten"
	case RinkebyGenesisHash:
		net = "rinkeby"
	case GoerliGenesisHash:
		net = "goerli"
	default:
		return ""
	}
	return dnsPrefix + protocol + "." + net + ".ethdisco.net"
}