feat: skipcheck

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

README.md

@@ -67,6 +67,8 @@ Cardano node configuration:
 - `CARDANO_NETWORK` - Use a named Cardano network (default: mainnet)
 - `CARDANO_NODE_NETWORK_MAGIC` - Cardano network magic (default: automatically
     determined from named network)
+- `CARDANO_NODE_SKIP_CHECK` - Skip the connection test to Cardano Node on start
+    (default: false)
 - `CARDANO_NODE_SOCKET_PATH` - Socket path to Cardano node NtC via UNIX socket
     (default: /node-ipc/node.socket)
 - `CARDANO_NODE_SOCKET_TCP_HOST` - Address to Cardano node NtC via TCP

config.yaml.example

@@ -81,6 +81,13 @@ node:
   address:
   port:
 
+  # Skip checking connection to cardano-node
+  #
+  # On startup, we connect to the configured cardano-node and exit on failure.
+  #
+  # Setting this to true will skip this check.
+  skipCheck:
+
   # Timeout for connections to cardano-node
   #
   # This can also be set via the CARDANO_NODE_SOCKET_TIMEOUT environment

internal/config/config.go

@@ -55,6 +55,7 @@ type NodeConfig struct {
 	NetworkMagic uint32 `yaml:"networkMagic" envconfig:"CARDANO_NODE_NETWORK_MAGIC"`
 	Address      string `yaml:"address"      envconfig:"CARDANO_NODE_SOCKET_TCP_HOST"`
 	Port         uint   `yaml:"port"         envconfig:"CARDANO_NODE_SOCKET_TCP_PORT"`
+	SkipCheck    bool   `yaml:"skipCheck"    envconfig:"CARDANO_NODE_SKIP_CHECK"`
 	SocketPath   string `yaml:"socketPath"   envconfig:"CARDANO_NODE_SOCKET_PATH"`
 	Timeout      uint   `yaml:"timeout"      envconfig:"CARDANO_NODE_SOCKET_TIMEOUT"`
 }
@@ -132,6 +133,9 @@ func (c *Config) populateNetworkMagic() error {
 }
 
 func (c *Config) checkNode() error {
+	if c.Node.SkipCheck {
+		return nil
+	}
 	// Connect to cardano-node
 	oConn, err := ouroboros.NewConnection(
 		ouroboros.WithNetworkMagic(uint32(c.Node.NetworkMagic)),