Add RPC/getHealth

rpc/getHealth.go

@@ -0,0 +1,18 @@
+package rpc
+
+import (
+	"context"
+)
+
+// GetHealth returns the current health of the node.
+// If one or more --trusted-validator arguments are provided
+// to solana-validator, "ok" is returned when the node has within
+// HEALTH_CHECK_SLOT_DISTANCE slots of the highest trusted validator,
+// otherwise an error is returned. "ok" is always returned if no
+// trusted validators are provided.
+func (cl *Client) GetHealth(ctx context.Context) (out string, err error) {
+	err = cl.rpcClient.CallFor(&out, "getHealth")
+	return
+}
+
+const HealthOk = "ok"