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cmd-rpc-server-filecoin.go
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cmd-rpc-server-filecoin.go
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package main
import (
"fmt"
"github.com/urfave/cli/v2"
)
func rpcServerFilecoinLoadConfig(c *cli.Context) (*RpcServerFilecoinConfig, error) {
// Either load from config file or from args:
cfg := &RpcServerFilecoinConfig{}
if slotToCidIndexFilepath := c.Args().Get(0); slotToCidIndexFilepath != "" {
cfg.Indexes.SlotToCid = slotToCidIndexFilepath
}
if sigToCidIndexFilepath := c.Args().Get(1); sigToCidIndexFilepath != "" {
cfg.Indexes.SigToCid = sigToCidIndexFilepath
}
if gsfaIndexDir := c.Args().Get(2); gsfaIndexDir != "" {
cfg.Indexes.Gsfa = gsfaIndexDir
}
// if a file is specified, load it:
if configFilepath := c.String("config"); configFilepath != "" {
configFromFile, err := loadRpcServerFilecoinConfig(configFilepath)
if err != nil {
return nil, fmt.Errorf("failed to load config: %w", err)
}
if cfg.Indexes.SlotToCid == "" {
cfg.Indexes.SlotToCid = configFromFile.Indexes.SlotToCid
}
if cfg.Indexes.SigToCid == "" {
cfg.Indexes.SigToCid = configFromFile.Indexes.SigToCid
}
if cfg.Indexes.Gsfa == "" {
cfg.Indexes.Gsfa = configFromFile.Indexes.Gsfa
}
}
return cfg, nil
}
func loadRpcServerFilecoinConfig(configFilepath string) (*RpcServerFilecoinConfig, error) {
cfg := &RpcServerFilecoinConfig{}
err := cfg.load(configFilepath)
if err != nil {
return nil, fmt.Errorf("failed to load config: %w", err)
}
return cfg, nil
}
func (cfg *RpcServerFilecoinConfig) load(configFilepath string) error {
// if is json, load from json:
if isJSONFile(configFilepath) {
return cfg.loadFromJSON(configFilepath)
}
if isYAMLFile(configFilepath) {
return cfg.loadFromYAML(configFilepath)
}
return fmt.Errorf("unknown file type for config: %s", configFilepath)
}
func (cfg *RpcServerFilecoinConfig) loadFromJSON(configFilepath string) error {
return loadFromJSON(configFilepath, cfg)
}
func (cfg *RpcServerFilecoinConfig) loadFromYAML(configFilepath string) error {
return loadFromYAML(configFilepath, cfg)
}
type RpcServerFilecoinConfig struct {
Indexes struct {
SlotToCid string `json:"slot_to_cid" yaml:"slot_to_cid"`
SigToCid string `json:"sig_to_cid" yaml:"sig_to_cid"`
Gsfa string `json:"gsfa" yaml:"gsfa"`
} `json:"indexes" yaml:"indexes"`
}