feat: add silent flag to enable piping claim data

Author: gpabst

pkg/rewards/claim.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io"
 	"math/big"
 	"net/http"
 	"sort"
@@ -74,6 +75,7 @@ func getClaimFlags() []cli.Flag {
 		&ClaimTimestampFlag,
 		&ProofStoreBaseURLFlag,
 		&flags.VerboseFlag,
+		&SilentFlag,
 	}
 
 	allFlags := append(baseFlags, flags.GetSignerFlags()...)
@@ -85,6 +87,10 @@ func Claim(cCtx *cli.Context, p utils.Prompter) error {
 	ctx := cCtx.Context
 	logger := common.GetLogger(cCtx)
 
+	if cCtx.Bool(SilentFlag.Name) {
+		logger = logging.NewTextSLogger(io.Discard, nil)
+	}
+
 	config, err := readAndValidateClaimConfig(cCtx, logger)
 	if err != nil {
 		return eigenSdkUtils.WrapError("failed to read and validate claim config", err)
@@ -229,7 +235,7 @@ func Claim(cCtx *cli.Context, p utils.Prompter) error {
 			solidityClaim := claimgen.FormatProofForSolidity(accounts.Root(), claim)
 			jsonData, err := json.MarshalIndent(solidityClaim, "", "  ")
 			if err != nil {
-				fmt.Println("Error marshaling JSON:", err)
+				logger.Error("Error marshaling JSON:", err)
 				return err
 			}
 			if !common.IsEmptyString(config.Output) {
@@ -240,24 +246,24 @@ func Claim(cCtx *cli.Context, p utils.Prompter) error {
 				logger.Infof("Claim written to file: %s", config.Output)
 			} else {
 				fmt.Println(string(jsonData))
-				fmt.Println()
-				fmt.Println("To write to a file, use the --output flag")
+				logger.Info("To write to a file, use the --output flag")
 			}
 		} else {
 			if !common.IsEmptyString(config.Output) {
-				fmt.Println("output file not supported for pretty output type")
-				fmt.Println()
+				logger.Info("output file not supported for pretty output type")
 			}
 			solidityClaim := claimgen.FormatProofForSolidity(accounts.Root(), claim)
-			fmt.Println("------- Claim generated -------")
+			logger.Info("------- Claim generated -------")
 			common.PrettyPrintStruct(*solidityClaim)
-			fmt.Println("-------------------------------")
-			fmt.Println("To write to a file, use the --output flag")
+			logger.Info("-------------------------------")
+			logger.Info("To write to a file, use the --output flag")
+		}
+		if !cCtx.Bool(SilentFlag.Name) {
+			txFeeDetails := common.GetTxFeeDetails(unsignedTx)
+			logger.Info("\n")
+			txFeeDetails.Print()
 		}
-		txFeeDetails := common.GetTxFeeDetails(unsignedTx)
-		fmt.Println()
-		txFeeDetails.Print()
-		fmt.Println("To broadcast the claim, use the --broadcast flag")
+		logger.Info("To broadcast the claim, use the --broadcast flag")
 	}
 
 	return nil

pkg/rewards/flags.go

@@ -91,4 +91,11 @@ var (
 		Value:   "all",
 		EnvVars: []string{"REWARDS_CLAIM_TYPE"},
 	}
+
+	SilentFlag = cli.BoolFlag{
+		Name:    "silent",
+		Aliases: []string{"s"},
+		Usage:   "Suppress output except for claim",
+		EnvVars: []string{"SILENT"},
+	}
 )