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cmd/geth: enable DNS discovery by default (#20660)

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* node: expose config in service context

* eth: integrate p2p/dnsdisc

* cmd/geth: add some DNS flags

* eth: remove DNS URLs

* cmd/utils: configure DNS names for testnets

* params: update DNS URLs

* cmd/geth: configure mainnet DNS

* cmd/utils: rename DNS flag and fix flag processing

* cmd/utils: remove debug print

* node: fix test
This commit is contained in:
Felix Lange
2020-02-13 14:38:30 +01:00
committed by GitHub
parent eddcecc160
commit 38d1b0cba2
11 changed files with 104 additions and 19 deletions
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13
params/bootnodes.go
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@ -16,6 +16,8 @@
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{
@ -69,3 +71,14 @@ var DiscoveryV5Bootnodes = []string{
"enode://1c7a64d76c0334b0418c004af2f67c50e36a3be60b5e4790bdac0439d21603469a85fad36f2473c9a80eb043ae60936df905fa28f1ff614c3e5dc34f15dcd2dc@40.118.3.223:30306",
"enode://85c85d7143ae8bb96924f2b54f1b3e70d8c4d367af305325d30a61385a432f247d2c75c45c6b4a60335060d072d7f5b35dd1d4c45f76941f62a4f83b6e75daaf@40.118.3.223:30307",
}
const dnsPrefix = "enrtree://AKA3AM6LPBYEUDMVNU3BSVQJ5AD45Y7YPOHJLEF6W26QOE4VTUDPE@"
// These DNS names provide bootstrap connectivity for public testnets and the mainnet.
// See https://github.com/ethereum/discv4-dns-lists for more information.
var KnownDNSNetworks = map[common.Hash]string{
MainnetGenesisHash: dnsPrefix + "all.mainnet.ethdisco.net",
TestnetGenesisHash: dnsPrefix + "all.ropsten.ethdisco.net",
RinkebyGenesisHash: dnsPrefix + "all.rinkeby.ethdisco.net",
GoerliGenesisHash: dnsPrefix + "all.goerli.ethdisco.net",
}