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[DOCS] Update DNS Discovery Setup Guide with geth usage instructions

This commit is contained in:
Felix Lange 2020-02-17 15:26:36 +01:00
parent 95f688db5a
commit ed306c2b3e
1 changed files with 14 additions and 2 deletions
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16
docs/_developers/dns-discovery-setup.md
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@ -96,8 +96,8 @@ The resulting DNS tree metadata is stored in the
### Publishing DNS trees ### Publishing DNS trees
Now that the tree is signed, it can be published to a DNS provider. cmd/devp2p currently Now that the tree is signed, it can be published to a DNS provider. cmd/devp2p currently
supports publishing to CloudFlare DNS. You can also export TXT records as a JSON file and supports publishing to CloudFlare DNS and Amazon Route53. You can also export TXT records
publish them yourself. as a JSON file and publish them yourself.
To publish to CloudFlare, first create an API token in the management console. cmd/devp2p To publish to CloudFlare, first create an API token in the management console. cmd/devp2p
expects the API token in the `CLOUDFLARE_API_TOKEN` environment variable. Now use the expects the API token in the `CLOUDFLARE_API_TOKEN` environment variable. Now use the
@ -110,4 +110,16 @@ devp2p dns to-cloudflare mainnet.nodes.example.org
Note that this command uses the domain name specified during signing. Any existing records Note that this command uses the domain name specified during signing. Any existing records
below this name will be erased by cmd/devp2p. below this name will be erased by cmd/devp2p.
### Using the DNS list with Geth
Once your tree is available through a DNS name, you can tell geth to use it with the
`--discovery.dns` command line flag. Node trees are referenced using the `enrtree://` URL
scheme. You can find the URL of your tree in the `enrtree-info.json` file created by
`devp2p dns sign`. Just pass the URL as an argument to the flag in order to make use of
the published tree.
```shell
geth --discovery.dns "enrtree://AMBMWDM3J6UY3M32TMMROUNLX6Y3YTLVC3DC6HN2AVG5NHNSAXDW6@mainet.nodes.example.org"
```
[dns-eip]: https://eips.ethereum.org/EIPS/eip-1459 [dns-eip]: https://eips.ethereum.org/EIPS/eip-1459