docs: dual stack (#649)

README.md

@@ -127,6 +127,8 @@ The latest docker image of ARC can be found [here](https://hub.docker.com/r/bsvb
 
 ## Microservices
 
+The API http server as well as all gRPC servers of each service has dual-stack capability and thus listen on both IPv4 & IPv6 addresses.
+
 ### API
 
 API is the REST API microservice for interacting with ARC. See the [API documentation](https://bitcoin-sv.github.io/arc/api.html) for more information.

config/example_config.yaml

@@ -48,7 +48,7 @@ broadcasting: # settings for connection to nodes
         p2p: 18335
 
 cache:
-  engine: freecache # cache engine - freecache/redis
+  engine: freecache # cache engine - one of freecache | redis
   freecache: # freecache configuration
     size: 10000000 # size of cache
   redis:
@@ -111,6 +111,7 @@ api:
   address: localhost:9090 # address to start api server on
   wocApiKey: "mainnet_XXXXXXXXXXXXXXXXXXXX" # api key for www.whatsonchain.com
   wocMainnet: false # query main or test net on www.whatsonchain.com
+  requestExtendedLogs: true # if true, the logs will include request methods & headers
   defaultPolicy: # default policy of bitcoin node
     excessiveblocksize: 2000000000
     blockmaxsize: 512000000

test/config/config.yaml

@@ -100,6 +100,8 @@ blocktx:
 api:
   address: 0.0.0.0:9090
   wocApiKey: "mainnet_XXXXXXXXXXXXXXXXXXXX"
+  wocMainnet: false
+  requestExtendedLogs: true
   defaultPolicy:
     excessiveblocksize: 2000000000
     blockmaxsize: 512000000
@@ -130,7 +132,6 @@ api:
     minconfconsolidationinput: 6
     minconsolidationinputmaturity: 6
     acceptnonstdconsolidationinput: false
-  requestExtendedLogs: true
 
 callbacker:
   listenAddr: 0.0.0.0:8021