diff --git a/cmd/geth/chaincmd.go b/cmd/geth/chaincmd.go
index 4bd36bab32..5b06ea4d1a 100644
--- a/cmd/geth/chaincmd.go
+++ b/cmd/geth/chaincmd.go
@@ -736,19 +736,18 @@ func exportSegment(ctx *cli.Context) error {
 		boundStartBlock      = params.BoundStartBlock
 		historySegmentLength = params.HistorySegmentLength
 	)
-	// TODO(0xbundler): for testing
-	//switch genesisHash {
-	//case params.BSCGenesisHash, params.ChapelGenesisHash, params.RialtoGenesisHash:
-	//	boundStartBlock = params.BoundStartBlock
-	//	historySegmentLength = params.HistorySegmentLength
-	//default:
-	if ctx.IsSet(utils.BoundStartBlockFlag.Name) {
-		boundStartBlock = ctx.Uint64(utils.BoundStartBlockFlag.Name)
-	}
-	if ctx.IsSet(utils.HistorySegmentLengthFlag.Name) {
-		historySegmentLength = ctx.Uint64(utils.HistorySegmentLengthFlag.Name)
-	}
-	//}
+	switch genesisHash {
+	case params.BSCGenesisHash, params.ChapelGenesisHash, params.RialtoGenesisHash:
+		boundStartBlock = params.BoundStartBlock
+		historySegmentLength = params.HistorySegmentLength
+	default:
+		if ctx.IsSet(utils.BoundStartBlockFlag.Name) {
+			boundStartBlock = ctx.Uint64(utils.BoundStartBlockFlag.Name)
+		}
+		if ctx.IsSet(utils.HistorySegmentLengthFlag.Name) {
+			historySegmentLength = ctx.Uint64(utils.HistorySegmentLengthFlag.Name)
+		}
+	}
 	if boundStartBlock == 0 || historySegmentLength == 0 {
 		return fmt.Errorf("wrong params, boundStartBlock: %v, historySegmentLength: %v", boundStartBlock, historySegmentLength)
 	}
diff --git a/params/history_segment.go b/params/history_segment.go
index bc51998cbc..86b2211f51 100644
--- a/params/history_segment.go
+++ b/params/history_segment.go
@@ -16,8 +16,45 @@ const (
 )
 
 var (
-	historySegmentsInBSCMainnet []HistorySegment
-	historySegmentsInBSCChapel  []HistorySegment
+	historySegmentsInBSCMainnet = unmarshalHisSegments(`
+[
+    {
+        "index": 0,
+        "re_genesis_number": 0,
+        "re_genesis_hash": "0x0d21840abff46b96c84b2ac9e10e4f5cdaeb5693cb665db62a2f3b02d2d57b5b",
+        "td": 1
+    },
+    {
+        "index": 1,
+        "re_genesis_number": 31268600,
+        "re_genesis_hash": "0x49bd8a17d31797ced6b466d91900cdd17a4c39cc685dc28ffd290196f417952c",
+        "td": 62131469,
+        "consensus_data": "0x7b226e756d626572223a33313236383539392c2268617368223a22307865663261363935356334383638373035623361376439323930313639376265613265303932366238313634386138373838393765386533333639383231306234222c2276616c696461746f7273223a7b22307830626163343932333836383632616433646634623636366263303936623035303562623639346461223a7b22696e6465783a6f6d6974656d707479223a312c22766f74655f61646472657373223a5b3137362c3139302c3139352c37322c3130342c32362c3234372c3130322c3131372c32382c3138342c35372c38372c3131302c3135362c38312c39302c392c3230302c3139312c3235302c34382c3136342c39382c3135302c3230342c3139372c3130322c31382c37332c31342c3138302c3132382c3230382c35392c3234392c37322c3232352c302c352c3138372c3230342c342c33332c3234392c31312c36312c37385d7d2c22307832343635313736633436316166623331366562633737336336316661656538356136353135646161223a7b22696e6465783a6f6d6974656d707479223a322c22766f74655f61646472657373223a5b3133382c3134362c35332c3130302c3139382c3235352c3231312c3132372c3137382c3235342c3135392c31372c3134322c3234382c3132382c3134362c3233322c3131382c34342c3132322c3232312c3138312c33382c3137312c3132362c3137372c3233312c3131342c3138362c3233392c3133332c32342c33312c3133372c34342c3131352c32372c3232342c3139332c3133372c32362c38302c3233302c3137362c39382c39382c3230302c32325d7d2c22307832643463343037626265343934333865643835396665393635623134306463663161616237316139223a7b22696e6465783a6f6d6974656d707479223a332c22766f74655f61646472657373223a5b3134372c3139332c3234372c3234362c3134362c3135372c33312c3232362c3136312c3132332c37382c32302c39372c37382c3234392c3235322c39312c3232302c3131332c36312c3130322c34392c3231342c3131372c36342c36332c3139302c3233392c3137322c38352c39372c32372c3234362c31382c3131322c31312c32372c3130312c3234342c3131362c37322c39372c3138342c31312c31352c3132352c3130362c3137365d7d2c22307833663334396262616665633135353138313962386265316566656132666334366361373439616131223a7b22696e6465783a6f6d6974656d707479223a342c22766f74655f61646472657373223a5b3133322c33362c3133382c36392c3134382c3130302c3233382c3139332c3136322c33302c3132372c3139392c3138332c32362c352c36312c3135302c36382c3233332c3138372c3134312c3136342c3133332c35392c3134332c3133352c34342c3231352c3139332c3231342c3137392c33362c3139312c32352c33342c3133302c3135322c34382c3130302c3130382c3233342c3232332c3138322c38382c3231312c3232322c302c3135345d7d2c22307836316464343831613131346132653736316335353462363431373432633937333836373839396433223a7b22696e6465783a6f6d6974656d707479223a352c22766f74655f61646472657373223a5b3133382c3132382c3135302c3132352c35372c3232382c362c3136302c3136392c3130302c34352c36352c3233332c302c3132322c33392c3235322c31372c38302c3136322c3130332c3230392c36372c3136392c3234372c3133342c3230352c34332c39342c3233362c3138392c3230342c36342c35342c33392c35352c352c33342c39312c3134392c3130392c39342c34372c3134332c39342c3138352c39332c33375d7d2c22307836383562316465643830313337383564363632336363313864323134333230623662623634373539223a7b22696e6465783a6f6d6974656d707479223a362c22766f74655f61646472657373223a5b3133382c39362c3234382c34322c3132332c3230372c3131362c3138302c3230332c352c35392c3135352c3235342c3133312c3230382c3233372c322c3136382c37382c3138372c31362c3133342c39332c3235332c3231362c3232362c3131302c3131372c35332c3139362c35382c32382c3230342c3231302c3130342c3233322c39362c3234352c322c33332c3130372c35352c3135372c3235322c3135332c3131332c3231312c38385d7d2c22307837306636353731363465356237353638396236346237666431666132373566333334663238653138223a7b22696e6465783a6f6d6974656d707479223a372c22766f74655f61646472657373223a5b3135302c3136322c3130362c3235302c31382c3134392c3231382c3132392c36352c3133332c3134372c3138392c31382c3132392c36382c39392c3231372c3234362c3232382c39322c35342c3136302c3232382c3132362c3138302c3230352c36322c39312c3130362c3234322c3135362c36352c3232362c3136332c3136352c39392c3130302c34382c32312c39302c37302c3131302c33332c3130312c3133332c3137352c35392c3136375d7d2c22307837326236316336303134333432643931343437306563376163323937356265333435373936633262223a7b22696e6465783a6f6d6974656d707479223a382c22766f74655f61646472657373223a5b3132392c3231392c342c33342c3136352c3235332c382c3232382c31332c3137372c3235322c33352c3130342c3231302c33362c39342c37352c32342c3137372c3230382c3138342c39322c3134362c32362c3137302c3137352c3231302c3232372c36352c3131382c31342c34312c3235322c39372c36322c3232312c35372c3234372c31382c38342c39372c37382c33322c38352c3139352c34302c3132322c38315d7d2c22307837616532663562396533383663643162353061343535303639366439353763623439303066303361223a7b22696e6465783a6f6d6974656d707479223a392c22766f74655f61646472657373223a5b3138342c37392c3133312c3235352c34352c3234342c36352c3134372c37332c3130332c3134372c3138342c37312c3234362c37382c3135372c3130392c3137372c3137392c3134392c35342c3133302c3138372c3134392c3233372c3230382c3135302c3233352c33302c3130352c3138372c3231312c38372c3139342c302c3135332c34342c3136372c3132382c38302c3230382c3230332c3232352c3132382c3230372c3137302c312c3134325d7d2c22307838623663386664393364366634636561343262626233343564626336663064666462356265633733223a7b22696e6465783a6f6d6974656d707479223a31302c22766f74655f61646472657373223a5b31363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+    }
+]`)
+	historySegmentsInBSCChapel = unmarshalHisSegments(`
+[
+    {
+        "index": 0,
+        "re_genesis_number": 0,
+        "re_genesis_hash": "0x6d3c66c5357ec91d5c43af47e234a939b22557cbb552dc45bebbceeed90fbe34",
+        "td": 1
+    },
+    {
+        "index": 1,
+        "re_genesis_number": 31268600,
+        "re_genesis_hash": "0x5faa1dcf2140c2fbaf9b713c74e34485d38218df6fc1797b19704d7c964d6943",
+        "td": 62348406,
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+    }
+]`)
 )
 
 type HistoryBlock struct {