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feat: add the standalone advancer command
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// (c) Cartesi and individual authors (see AUTHORS) | ||
// SPDX-License-Identifier: Apache-2.0 (see LICENSE) | ||
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package main | ||
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import ( | ||
"context" | ||
"fmt" | ||
"log/slog" | ||
"os" | ||
"os/signal" | ||
"syscall" | ||
"time" | ||
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"github.com/cartesi/rollups-node/internal/node/advancer" | ||
"github.com/cartesi/rollups-node/internal/node/advancer/machines" | ||
"github.com/cartesi/rollups-node/internal/node/config" | ||
"github.com/cartesi/rollups-node/internal/node/startup" | ||
"github.com/cartesi/rollups-node/internal/repository" | ||
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"github.com/spf13/cobra" | ||
) | ||
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const CMD_NAME = "advancer" | ||
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var ( | ||
buildVersion = "devel" | ||
Cmd = &cobra.Command{ | ||
Use: CMD_NAME, | ||
Short: "Runs the Advancer", | ||
Long: "Runs the Advancer in standalone mode", | ||
Run: run, | ||
} | ||
) | ||
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func main() { | ||
err := Cmd.Execute() | ||
if err != nil { | ||
os.Exit(1) | ||
} | ||
} | ||
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func getDatabase(ctx context.Context, c config.NodeConfig) (*repository.Database, error) { | ||
err := startup.ValidateSchema(c) | ||
if err != nil { | ||
return nil, fmt.Errorf("invalid database schema: %w", err) | ||
} | ||
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database, err := repository.Connect(ctx, c.PostgresEndpoint.Value) | ||
if err != nil { | ||
return nil, fmt.Errorf("failed to connect to the database: %w", err) | ||
} | ||
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return database, nil | ||
} | ||
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func run(cmd *cobra.Command, args []string) { | ||
ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM) | ||
defer stop() | ||
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c := config.FromEnv() | ||
startup.ConfigLogs(c) | ||
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slog.Info("Starting the Cartesi Rollups Node Advancer", "version", buildVersion, "config", c) | ||
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database, err := getDatabase(ctx, c) | ||
check(err, "failed to connect to the database") | ||
defer database.Close() | ||
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repo := &repository.MachineRepository{Database: database} | ||
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machines, err := machines.Load(ctx, repo, c.MachineServerVerbosity) | ||
check(err, "failed to load the machines") | ||
defer machines.Close() | ||
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advancer, err := advancer.New(machines, repo) | ||
check(err, "failed to create the advancer") | ||
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poller, err := advancer.Poller(5 * time.Second) //nolint: mnd | ||
check(err, "failed to create the advancer service") | ||
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ready := make(chan struct{}, 1) | ||
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err = poller.Start(ctx, ready) | ||
check(err, "failed to start the advancer service") | ||
} | ||
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func check(err error, s string) { | ||
if err != nil { | ||
slog.Error(s, "error", err) | ||
os.Exit(1) | ||
} | ||
} |
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