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//nolint: goconst
package main
import (
"errors"
"fmt"
"github.com/BurntSushi/toml"
)
// Config is the application configuration.
type Config struct {
ChainID string `toml:"chain_id"`
Listen string
Protocol string
Dir string
PersistInterval uint64 `toml:"persist_interval"`
SnapshotInterval uint64 `toml:"snapshot_interval"`
RetainBlocks uint64 `toml:"retain_blocks"`
ValidatorUpdates map[string]map[string]uint8 `toml:"validator_update"`
PrivValServer string `toml:"privval_server"`
PrivValKey string `toml:"privval_key"`
PrivValState string `toml:"privval_state"`
Misbehaviors map[string]string `toml:"misbehaviors"`
}
// LoadConfig loads the configuration from disk.
func LoadConfig(file string) (*Config, error) {
cfg := &Config{
Listen: "unix:///var/run/app.sock",
Protocol: "socket",
PersistInterval: 1,
}
_, err := toml.DecodeFile(file, &cfg)
if err != nil {
return nil, fmt.Errorf("failed to load config from %q: %w", file, err)
}
return cfg, cfg.Validate()
}
// Validate validates the configuration. We don't do exhaustive config
// validation here, instead relying on Testnet.Validate() to handle it.
func (cfg Config) Validate() error {
switch {
case cfg.ChainID == "":
return errors.New("chain_id parameter is required")
case cfg.Listen == "" && cfg.Protocol != "builtin":
return errors.New("listen parameter is required")
default:
return nil
}
}