Add Go snippets

snippets/go/getting_started.go

@@ -0,0 +1,53 @@
+package example
+
+import (
+	"log"
+
+	"github.com/breez/breez-sdk-go/breez_sdk"
+)
+
+// ANCHOR: init-sdk-requirements
+// SDK events listener
+type BreezListener struct{}
+
+func (BreezListener) OnEvent(e breez_sdk.BreezEvent) {
+	log.Printf("received event %#v", e)
+}
+
+// ANCHOR_END: init-sdk-requirements
+
+func GettingStarted() {
+	// ANCHOR: init-sdk
+	// Create the default config
+	seed, err := breez_sdk.MnemonicToSeed("<mnemonic words>")
+	if err != nil {
+		log.Fatalf("MnemonicToSeed failed: %#v", err)
+	}
+
+	inviteCode := "<invite code>"
+	apiKey := "<api key>"
+	nodeConfig := breez_sdk.NodeConfigGreenlight{
+		Config: breez_sdk.GreenlightNodeConfig{
+			PartnerCredentials: nil,
+			InviteCode:         &inviteCode,
+		},
+	}
+
+	config := breez_sdk.DefaultConfig(breez_sdk.EnvironmentTypeProduction, apiKey, nodeConfig)
+	// Customize the config object according to your needs
+	config.WorkingDir = "path to an existing directory"
+
+	sdk, err := breez_sdk.Connect(config, seed, BreezListener{})
+	if err != nil {
+		log.Fatalf("Connect failed: %#v", err)
+	}
+	// ANCHOR_END: init-sdk
+	// ANCHOR: fetch-balance
+	if nodeInfo, err := sdk.NodeInfo(); err != nil {
+		lnBalance := nodeInfo.ChannelsBalanceMsat
+		onchainBalance := nodeInfo.OnchainBalanceMsat
+
+		log.Printf("%#v %#v", lnBalance, onchainBalance)
+	}
+	// ANCHOR_END: fetch-balance
+}