fix: remove DNS names from peer_host field

We don't need to do DNS lookups for tests and we want to encourage
people to run their own Bitcoin nodes anyway.

Author: obycode

stackslib/src/config/mod.rs

@@ -181,7 +181,7 @@ impl ConfigFile {
             mode: Some("xenon".to_string()),
             rpc_port: Some(18332),
             peer_port: Some(18333),
-            peer_host: Some("bitcoind.testnet.stacks.co".to_string()),
+            peer_host: Some("0.0.0.0".to_string()),
             magic_bytes: Some("T2".into()),
             ..BurnchainConfigFile::default()
         };
@@ -227,9 +227,9 @@ impl ConfigFile {
             mode: Some("mainnet".to_string()),
             rpc_port: Some(8332),
             peer_port: Some(8333),
-            peer_host: Some("bitcoin.blockstack.com".to_string()),
-            username: Some("blockstack".to_string()),
-            password: Some("blockstacksystem".to_string()),
+            peer_host: Some("0.0.0.0".to_string()),
+            username: Some("bitcoin".to_string()),
+            password: Some("bitcoin".to_string()),
             magic_bytes: Some("X2".to_string()),
             ..BurnchainConfigFile::default()
         };