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Merge #19284: [net] Add seed.bitcoin.wiz.biz to DNS seeds

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313a081b90 [net] Add seed.bitcoin.wiz.biz to DNS seeds (wiz)

Pull request description:

  I've created the `seed.bitcoin.wiz.biz` DNS seed for the benefit of the Bitcoin community, and will operate it in accordance with the [Bitcoin DNS seed operator policy](https://github.com/bitcoin/bitcoin/blob/master/doc/dnsseed-policy.md). Since this is my first PR to the Bitcoin Core project, I also ACK the [contributing guidelines](https://github.com/bitcoin/bitcoin/blob/master/CONTRIBUTING.md).

  The data for this DNS seed is generated using redundant instances of TheBlueMatt's [dnsseed-rust implementation](https://github.com/TheBlueMatt/dnsseed-rust), which connects to all discoverable Bitcoin nodes to verify their capabilities and speed, and utilizes the full AS-MAP data from my network's BGP tables to select Bitcoin nodes which are fairly distributed across different networks.

  As for my qualifications, I currently operate Bitcoin nodes for the [mempool.space](https://mempool.space/) open-source block explorer project (mempool) and the [Bisq Network](https://bisq.network/) open-source P2P trading community (bisq-network). I have 20 years experience as a network engineer, and all of [my Bitcoin nodes](https://bitnodes.io/nodes/?q=AS54415) are hosted on [my own network](https://ipinfo.io/AS54415) across multiple datacenters. For personal references, the current Bitcoin DNS seed operators Emzy and TheBlueMatt can probably vouch for me.

  The DNS responses served from this instance are currently served with a TTL of 60 seconds, and the DNS resolvers do not log queries from users. Any inquiries related to the operation of this DNS seed can be sent to <noc@wiz.biz>.

  Here is a rough diagram of the `seed.bitcoin.wiz.biz` DNS seed architecture:

  ![seed bitcoin wiz biz](https://user-images.githubusercontent.com/232186/84641969-cb2c6300-af36-11ea-9e4c-392fe39f5f08.png)

ACKs for top commit:
  jonasschnelli:
    Tested ACK 313a081b90.
  laanwj:
    ACK 313a081b90

Tree-SHA512: 9e4ea7a929b7888eba748933c1581328aefcba4de503af96f99630d797d794859b22c99999c25c3fc90f6efaed2598f32784d3acea3e428d84bae3aa37f92a25
This commit is contained in:
Wladimir J. van der Laan 2020-06-16 19:32:55 +02:00
commit 86590c17fc
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GPG key ID: 1E4AED62986CD25D
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src/chainparams.cpp
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@ -121,6 +121,7 @@ public:
vSeeds.emplace_back("seed.btc.petertodd.org"); // Peter Todd, only supports x1, x5, x9, and xd
vSeeds.emplace_back("seed.bitcoin.sprovoost.nl"); // Sjors Provoost
vSeeds.emplace_back("dnsseed.emzy.de"); // Stephan Oeste
vSeeds.emplace_back("seed.bitcoin.wiz.biz"); // Jason Maurice
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);