package main import ( "fmt" "sort" "time" e2e "github.com/tendermint/tendermint/test/e2e/pkg" ) func Start(testnet *e2e.Testnet) error { // Nodes are already sorted by name. Sort them by name then startAt, // which gives the overall order startAt, mode, name. nodeQueue := testnet.Nodes sort.SliceStable(nodeQueue, func(i, j int) bool { a, b := nodeQueue[i], nodeQueue[j] switch { case a.Mode == b.Mode: return false case a.Mode == e2e.ModeSeed: return true case a.Mode == e2e.ModeValidator && b.Mode == e2e.ModeFull: return true } return false }) sort.SliceStable(nodeQueue, func(i, j int) bool { return nodeQueue[i].StartAt < nodeQueue[j].StartAt }) if len(nodeQueue) == 0 { return fmt.Errorf("no nodes in testnet") } if nodeQueue[0].StartAt > 0 { return fmt.Errorf("no initial nodes in testnet") } // Start initial nodes (StartAt: 0) logger.Info("Starting initial network nodes...") for len(nodeQueue) > 0 && nodeQueue[0].StartAt == 0 { node := nodeQueue[0] nodeQueue = nodeQueue[1:] if err := execCompose(testnet.Dir, "up", "-d", node.Name); err != nil { return err } if _, err := waitForNode(node, 0, 15*time.Second); err != nil { return err } logger.Info(fmt.Sprintf("Node %v up on http://127.0.0.1:%v", node.Name, node.ProxyPort)) } // Wait for initial height logger.Info(fmt.Sprintf("Waiting for initial height %v...", testnet.InitialHeight)) block, blockID, err := waitForHeight(testnet, testnet.InitialHeight) if err != nil { return err } // Update any state sync nodes with a trusted height and hash for _, node := range nodeQueue { if node.StateSync || node.Mode == e2e.ModeLight { err = UpdateConfigStateSync(node, block.Height, blockID.Hash.Bytes()) if err != nil { return err } } } // Start up remaining nodes for _, node := range nodeQueue { logger.Info(fmt.Sprintf("Starting node %v at height %v...", node.Name, node.StartAt)) if _, _, err := waitForHeight(testnet, node.StartAt); err != nil { return err } if err := execCompose(testnet.Dir, "up", "-d", node.Name); err != nil { return err } status, err := waitForNode(node, node.StartAt, 1*time.Minute) if err != nil { return err } logger.Info(fmt.Sprintf("Node %v up on http://127.0.0.1:%v at height %v", node.Name, node.ProxyPort, status.SyncInfo.LatestBlockHeight)) } return nil }