Merge pull request lightningnetwork#6088 from arshbot/export-backend-…

…credentials

Export backend credentials

lntest/bitcoind_common.go

@@ -22,12 +22,12 @@ const logDirPattern = "%s/.backendlogs"
 // BitcoindBackendConfig is an implementation of the BackendConfig interface
 // backed by a Bitcoind node.
 type BitcoindBackendConfig struct {
-	RpcHost      string
-	RpcUser      string
-	RpcPass      string
-	ZmqBlockPath string
-	ZmqTxPath    string
-	P2pPort      int
+	rpcHost      string
+	rpcUser      string
+	rpcPass      string
+	zmqBlockPath string
+	zmqTxPath    string
+	p2pPort      int
 	rpcClient    *rpcclient.Client
 
 	// minerAddr is the p2p address of the miner to connect to.
@@ -43,13 +43,13 @@ var _ BackendConfig = (*BitcoindBackendConfig)(nil)
 func (b BitcoindBackendConfig) GenArgs() []string {
 	var args []string
 	args = append(args, "--bitcoin.node=bitcoind")
-	args = append(args, fmt.Sprintf("--bitcoind.rpchost=%v", b.RpcHost))
-	args = append(args, fmt.Sprintf("--bitcoind.rpcuser=%v", b.RpcUser))
-	args = append(args, fmt.Sprintf("--bitcoind.rpcpass=%v", b.RpcPass))
+	args = append(args, fmt.Sprintf("--bitcoind.rpchost=%v", b.rpcHost))
+	args = append(args, fmt.Sprintf("--bitcoind.rpcuser=%v", b.rpcUser))
+	args = append(args, fmt.Sprintf("--bitcoind.rpcpass=%v", b.rpcPass))
 	args = append(args, fmt.Sprintf("--bitcoind.zmqpubrawblock=%v",
-		b.ZmqBlockPath))
+		b.zmqBlockPath))
 	args = append(args, fmt.Sprintf("--bitcoind.zmqpubrawtx=%v",
-		b.ZmqTxPath))
+		b.zmqTxPath))
 
 	return args
 }
@@ -64,6 +64,11 @@ func (b BitcoindBackendConfig) DisconnectMiner() error {
 	return b.rpcClient.AddNode(b.minerAddr, rpcclient.ANRemove)
 }
 
+// Credentials returns the rpc username, password and host for the backend.
+func (b BitcoindBackendConfig) Credentials() (string, string, string, error) {
+	return b.rpcUser, b.rpcPass, b.rpcHost, nil
+}
+
 // Name returns the name of the backend type.
 func (b BitcoindBackendConfig) Name() string {
 	return "bitcoind"
@@ -179,12 +184,12 @@ func newBackend(miner string, netParams *chaincfg.Params, extraArgs []string) (
 	}
 
 	bd := BitcoindBackendConfig{
-		RpcHost:      rpcHost,
-		RpcUser:      rpcUser,
-		RpcPass:      rpcPass,
-		ZmqBlockPath: zmqBlockAddr,
-		ZmqTxPath:    zmqTxAddr,
-		P2pPort:      p2pPort,
+		rpcHost:      rpcHost,
+		rpcUser:      rpcUser,
+		rpcPass:      rpcPass,
+		zmqBlockPath: zmqBlockAddr,
+		zmqTxPath:    zmqTxAddr,
+		p2pPort:      p2pPort,
 		rpcClient:    client,
 		minerAddr:    miner,
 	}

lntest/btcd.go

@@ -67,6 +67,11 @@ func (b BtcdBackendConfig) DisconnectMiner() error {
 	return b.harness.Client.Node(btcjson.NDisconnect, b.minerAddr, &temp)
 }
 
+// Credentials returns the rpc username, password and host for the backend.
+func (b BtcdBackendConfig) Credentials() (string, string, string, error) {
+	return b.rpcConfig.User, b.rpcConfig.Pass, b.rpcConfig.Host, nil
+}
+
 // Name returns the name of the backend type.
 func (b BtcdBackendConfig) Name() string {
 	return "btcd"

lntest/harness_node.go

@@ -82,6 +82,10 @@ type BackendConfig interface {
 
 	// Name returns the name of the backend type.
 	Name() string
+
+	// Credentials returns the rpc username, password and host for the
+	// backend.
+	Credentials() (string, string, string, error)
 }
 
 // NodeConfig is the basic interface a node configuration must implement.

lntest/neutrino.go

@@ -42,6 +42,12 @@ func (b NeutrinoBackendConfig) DisconnectMiner() error {
 	return fmt.Errorf("unimplemented")
 }
 
+// Credentials returns the rpc username, password and host for the backend.
+// For neutrino, we return an error because there is no rpc client available.
+func (b NeutrinoBackendConfig) Credentials() (string, string, string, error) {
+	return "", "", "", fmt.Errorf("unimplemented")
+}
+
 // Name returns the name of the backend type.
 func (b NeutrinoBackendConfig) Name() string {
 	return NeutrinoBackendName