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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, time.Minute); 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, 8*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
}