/
config.go
115 lines (99 loc) · 2.56 KB
/
config.go
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package watch
import (
"errors"
"fmt"
"github.com/celestiaorg/blobstreamx-monitor/telemetry"
ethcmn "github.com/ethereum/go-ethereum/common"
"github.com/spf13/cobra"
)
const (
FlagEVMRPC = "evm.rpc"
FlagEVMContractAddress = "evm.contract-address"
FlagMetricsEndpoint = "metrics.endpoint"
FlagMetricsTLS = "metrics.tls"
FlagLogLevel = "log.level"
FlagLogFormat = "log.format"
)
func addStartFlags(cmd *cobra.Command) *cobra.Command {
cmd.Flags().String(FlagEVMRPC, "http://localhost:8545", "Specify the ethereum rpc address")
cmd.Flags().String(FlagEVMContractAddress, "", "Specify the contract at which the BlobstreamX is deployed")
cmd.Flags().String(
FlagMetricsEndpoint,
"localhost:4318",
"Sets HTTP endpoint for OTLP metrics to be exported to",
)
cmd.Flags().Bool(
FlagMetricsTLS,
false,
"Enable TLS connection to OTLP metric backend",
)
cmd.Flags().String(
FlagLogLevel,
"info",
"The logging level (trace|debug|info|warn|error|fatal|panic)",
)
cmd.Flags().String(
FlagLogFormat,
"plain",
"The logging format (json|plain)",
)
return cmd
}
type StartConfig struct {
EVMRPC string
ContractAddress string
MetricsConfig telemetry.Config
LogLevel string
LogFormat string
}
func (cfg StartConfig) ValidateBasics() error {
if err := ValidateEVMAddress(cfg.ContractAddress); err != nil {
return fmt.Errorf("%s: flag --%s", err.Error(), FlagEVMContractAddress)
}
return nil
}
func ValidateEVMAddress(addr string) error {
if addr == "" {
return fmt.Errorf("the EVM address cannot be empty")
}
if !ethcmn.IsHexAddress(addr) {
return errors.New("valid EVM address is required")
}
return nil
}
func parseStartFlags(cmd *cobra.Command) (StartConfig, error) {
contractAddress, err := cmd.Flags().GetString(FlagEVMContractAddress)
if err != nil {
return StartConfig{}, err
}
evmRPC, err := cmd.Flags().GetString(FlagEVMRPC)
if err != nil {
return StartConfig{}, err
}
endpoint, err := cmd.Flags().GetString(FlagMetricsEndpoint)
if err != nil {
return StartConfig{}, err
}
tls, err := cmd.Flags().GetBool(FlagMetricsTLS)
if err != nil {
return StartConfig{}, err
}
logLevel, err := cmd.Flags().GetString(FlagLogLevel)
if err != nil {
return StartConfig{}, err
}
logFormat, err := cmd.Flags().GetString(FlagLogFormat)
if err != nil {
return StartConfig{}, err
}
return StartConfig{
EVMRPC: evmRPC,
ContractAddress: contractAddress,
MetricsConfig: telemetry.Config{
Endpoint: endpoint,
TLS: tls,
},
LogLevel: logLevel,
LogFormat: logFormat,
}, nil
}