90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
// Copyright (c) 2017-2026 Lethean (https://lt.hn)
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//
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// Licensed under the European Union Public Licence (EUPL) version 1.2.
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// SPDX-License-Identifier: EUPL-1.2
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package blockchain
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import (
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"context"
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"os"
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"os/signal"
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"path/filepath"
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"sync"
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"syscall"
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coreerr "dappco.re/go/core/log"
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cli "dappco.re/go/core/cli/pkg/cli"
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store "dappco.re/go/core/store"
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"dappco.re/go/core/blockchain/chain"
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"dappco.re/go/core/blockchain/tui"
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"github.com/spf13/cobra"
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)
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const chainExplorerFrameTitle = "Chain Explorer"
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// newChainExplorerCommand builds the interactive `chain explorer` command.
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//
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// Example:
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//
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// core-chain chain explorer --data-dir ~/.lethean/chain
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//
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// Use it alongside `AddChainCommands` to expose the TUI node view.
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func newChainExplorerCommand(dataDir, seed *string, testnet *bool) *cobra.Command {
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return &cobra.Command{
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Use: chainExplorerCommandName,
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Short: chainExplorerCommandShort,
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Long: chainExplorerCommandLong,
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Example: chainExplorerExample,
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Args: cobra.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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return runChainExplorer(*dataDir, *seed, *testnet)
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},
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}
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}
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func runChainExplorer(dataDir, seed string, testnet bool) error {
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if err := validateChainRuntimeInputs(dataDir, seed); err != nil {
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return err
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}
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if err := ensureChainDataDirExists(dataDir); err != nil {
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return err
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}
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dbPath := filepath.Join(dataDir, "chain.db")
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chainStore, err := store.New(dbPath)
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if err != nil {
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return coreerr.E("runChainExplorer", "open store", err)
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}
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defer chainStore.Close()
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blockchain := chain.New(chainStore)
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chainConfig, hardForks, resolvedSeed := chainConfigForSeed(testnet, seed)
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ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer cancel()
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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defer wg.Done()
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runChainSyncLoop(ctx, blockchain, &chainConfig, hardForks, resolvedSeed)
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}()
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node := tui.NewNode(blockchain)
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status := tui.NewStatusModel(node)
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explorer := tui.NewExplorerModel(blockchain)
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hints := tui.NewKeyHintsModel()
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explorerFrame := cli.NewFrame(chainExplorerFrameTitle)
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explorerFrame.Header(status)
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explorerFrame.Content(explorer)
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explorerFrame.Footer(hints)
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explorerFrame.Run()
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cancel() // Signal the sync loop to stop.
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wg.Wait() // Wait for it before closing store.
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return nil
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}
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