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