Geth VM Trace Transaction

GETH Trace for Txn Hash 0x25de23ff94de6cfcb0ce86a2a0b64e8da90acf79068d77b649b3f67f14601bd1

Contract transaction successfully completed.

Raw traces

A total of 523 steps found

Step	PC	Operation	Gas	GasCost	Depth
[1]	0	PUSH1	185592	3	1
[2]	2	PUSH1	185589	3	1
[3]	4	MSTORE	185586	12	1
[4]	5	PUSH1	185574	3	1
[5]	7	CALLDATASIZE	185571	2	1
[6]	8	LT	185569	3	1
[7]	9	PUSH2	185566	3	1
[8]	12	JUMPI	185563	10	1
[9]	13	PUSH4	185553	3	1
[10]	18	PUSH29	185550	3	1
[11]	48	PUSH1	185547	3	1
[12]	50	CALLDATALOAD	185544	3	1
[13]	51	DIV	185541	5	1
[14]	52	AND	185536	3	1
[15]	53	PUSH4	185533	3	1
[16]	58	DUP2	185530	3	1
[17]	59	EQ	185527	3	1
[18]	60	PUSH2	185524	3	1
[19]	63	JUMPI	185521	10	1
[20]	64	DUP1	185511	3	1
[21]	65	PUSH4	185508	3	1
[22]	70	EQ	185505	3	1
[23]	71	PUSH2	185502	3	1
[24]	74	JUMPI	185499	10	1
[25]	75	DUP1	185489	3	1
[26]	76	PUSH4	185486	3	1
[27]	81	EQ	185483	3	1
[28]	82	PUSH2	185480	3	1
[29]	85	JUMPI	185477	10	1
[30]	86	DUP1	185467	3	1
[31]	87	PUSH4	185464	3	1
[32]	92	EQ	185461	3	1
[33]	93	PUSH2	185458	3	1
[34]	96	JUMPI	185455	10	1
[35]	97	DUP1	185445	3	1
[36]	98	PUSH4	185442	3	1
[37]	103	EQ	185439	3	1
[38]	104	PUSH2	185436	3	1
[39]	107	JUMPI	185433	10	1
[40]	108	DUP1	185423	3	1
[41]	109	PUSH4	185420	3	1
[42]	114	EQ	185417	3	1
[43]	115	PUSH2	185414	3	1
[44]	118	JUMPI	185411	10	1
[45]	119	DUP1	185401	3	1
[46]	120	PUSH4	185398	3	1
[47]	125	EQ	185395	3	1
[48]	126	PUSH2	185392	3	1
[49]	129	JUMPI	185389	10	1
[50]	130	DUP1	185379	3	1
[51]	131	PUSH4	185376	3	1
[52]	136	EQ	185373	3	1
[53]	137	PUSH2	185370	3	1
[54]	140	JUMPI	185367	10	1
[55]	141	DUP1	185357	3	1
[56]	142	PUSH4	185354	3	1
[57]	147	EQ	185351	3	1
[58]	148	PUSH2	185348	3	1
[59]	151	JUMPI	185345	10	1
[60]	152	DUP1	185335	3	1
[61]	153	PUSH4	185332	3	1
[62]	158	EQ	185329	3	1
[63]	159	PUSH2	185326	3	1
[64]	162	JUMPI	185323	10	1
[65]	163	DUP1	185313	3	1
[66]	164	PUSH4	185310	3	1
[67]	169	EQ	185307	3	1
[68]	170	PUSH2	185304	3	1
[69]	173	JUMPI	185301	10	1
[70]	174	DUP1	185291	3	1
[71]	175	PUSH4	185288	3	1
[72]	180	EQ	185285	3	1
[73]	181	PUSH2	185282	3	1
[74]	184	JUMPI	185279	10	1
[75]	185	DUP1	185269	3	1
[76]	186	PUSH4	185266	3	1
[77]	191	EQ	185263	3	1
[78]	192	PUSH2	185260	3	1
[79]	195	JUMPI	185257	10	1
[80]	196	DUP1	185247	3	1
[81]	197	PUSH4	185244	3	1
[82]	202	EQ	185241	3	1
[83]	203	PUSH2	185238	3	1
[84]	206	JUMPI	185235	10	1
[85]	207	DUP1	185225	3	1
[86]	208	PUSH4	185222	3	1
[87]	213	EQ	185219	3	1
[88]	214	PUSH2	185216	3	1
[89]	217	JUMPI	185213	10	1
[90]	218	DUP1	185203	3	1
[91]	219	PUSH4	185200	3	1
[92]	224	EQ	185197	3	1
[93]	225	PUSH2	185194	3	1
[94]	228	JUMPI	185191	10	1
[95]	229	DUP1	185181	3	1
[96]	230	PUSH4	185178	3	1
[97]	235	EQ	185175	3	1
[98]	236	PUSH2	185172	3	1
[99]	239	JUMPI	185169	10	1
[100]	240	DUP1	185159	3	1
[101]	241	PUSH4	185156	3	1
[102]	246	EQ	185153	3	1
[103]	247	PUSH2	185150	3	1
[104]	250	JUMPI	185147	10	1
[105]	1247	JUMPDEST	185137	1	1
[106]	1248	CALLVALUE	185136	2	1
[107]	1249	DUP1	185134	3	1
[108]	1250	ISZERO	185131	3	1
[109]	1251	PUSH2	185128	3	1
[110]	1254	JUMPI	185125	10	1
[111]	1259	JUMPDEST	185115	1	1
[112]	1260	POP	185114	2	1
[113]	1261	PUSH2	185112	3	1
[114]	1264	PUSH1	185109	3	1
[115]	1266	PUSH1	185106	3	1
[116]	1268	PUSH1	185103	3	1
[117]	1270	EXP	185100	60	1
[118]	1271	SUB	185040	3	1
[119]	1272	PUSH1	185037	3	1
[120]	1274	CALLDATALOAD	185034	3	1
[121]	1275	DUP2	185031	3	1
[122]	1276	AND	185028	3	1
[123]	1277	SWAP1	185025	3	1
[124]	1278	PUSH1	185022	3	1
[125]	1280	CALLDATALOAD	185019	3	1
[126]	1281	AND	185016	3	1
[127]	1282	PUSH1	185013	3	1
[128]	1284	CALLDATALOAD	185010	3	1
[129]	1285	PUSH2	185007	3	1
[130]	1288	JUMP	185004	8	1
[131]	3530	JUMPDEST	184996	1	1
[132]	3531	PUSH1	184995	3	1
[133]	3533	PUSH2	184992	3	1
[134]	3536	PUSH2	184989	3	1
[135]	3539	JUMP	184986	8	1
[136]	5061	JUMPDEST	184978	1	1
[137]	5062	PUSH1	184977	3	1
[138]	5064	SLOAD	184974	200	1
[139]	5065	PUSH1	184774	3	1
[140]	5067	PUSH1	184771	3	1
[141]	5069	PUSH1	184768	3	1
[142]	5071	EXP	184765	60	1
[143]	5072	SUB	184705	3	1
[144]	5073	AND	184702	3	1
[145]	5074	CALLER	184699	2	1
[146]	5075	EQ	184697	3	1
[147]	5076	SWAP1	184694	3	1
[148]	5077	JUMP	184691	8	1
[149]	3540	JUMPDEST	184683	1	1
[150]	3541	DUP1	184682	3	1
[151]	3542	PUSH2	184679	3	1
[152]	3545	JUMPI	184676	10	1
[153]	3546	POP	184666	2	1
[154]	3547	PUSH2	184664	3	1
[155]	3550	CALLER	184661	2	1
[156]	3551	PUSH2	184659	3	1
[157]	3554	JUMP	184656	8	1
[158]	3025	JUMPDEST	184648	1	1
[159]	3026	PUSH1	184647	3	1
[160]	3028	PUSH2	184644	3	1
[161]	3031	PUSH1	184641	3	1
[162]	3033	DUP4	184638	3	1
[163]	3034	PUSH4	184635	3	1
[164]	3039	PUSH2	184632	3	1
[165]	3042	AND	184629	3	1
[166]	3043	JUMP	184626	8	1
[167]	6342	JUMPDEST	184618	1	1
[168]	6343	PUSH1	184617	3	1
[169]	6345	PUSH1	184614	3	1
[170]	6347	PUSH1	184611	3	1
[171]	6349	PUSH1	184608	3	1
[172]	6351	EXP	184605	60	1
[173]	6352	SUB	184545	3	1
[174]	6353	DUP3	184542	3	1
[175]	6354	AND	184539	3	1
[176]	6355	ISZERO	184536	3	1
[177]	6356	ISZERO	184533	3	1
[178]	6357	PUSH2	184530	3	1
[179]	6360	JUMPI	184527	10	1
[180]	6365	JUMPDEST	184517	1	1
[181]	6366	POP	184516	2	1
[182]	6367	PUSH1	184514	3	1
[183]	6369	PUSH1	184511	3	1
[184]	6371	PUSH1	184508	3	1
[185]	6373	EXP	184505	60	1
[186]	6374	SUB	184445	3	1
[187]	6375	AND	184442	3	1
[188]	6376	PUSH1	184439	3	1
[189]	6378	SWAP1	184436	3	1
[190]	6379	DUP2	184433	3	1
[191]	6380	MSTORE	184430	3	1
[192]	6381	PUSH1	184427	3	1
[193]	6383	SWAP2	184424	3	1
[194]	6384	SWAP1	184421	3	1
[195]	6385	SWAP2	184418	3	1
[196]	6386	MSTORE	184415	3	1
[197]	6387	PUSH1	184412	3	1
[198]	6389	SWAP1	184409	3	1
[199]	6390	KECCAK256	184406	42	1
[200]	6391	SLOAD	184364	200	1
[201]	6392	PUSH1	184164	3	1
[202]	6394	AND	184161	3	1
[203]	6395	SWAP1	184158	3	1
[204]	6396	JUMP	184155	8	1
[205]	3044	JUMPDEST	184147	1	1
[206]	3045	SWAP3	184146	3	1
[207]	3046	SWAP2	184143	3	1
[208]	3047	POP	184140	2	1
[209]	3048	POP	184138	2	1
[210]	3049	JUMP	184136	8	1
[211]	3555	JUMPDEST	184128	1	1
[212]	3556	ISZERO	184127	3	1
[213]	3557	ISZERO	184124	3	1
[214]	3558	PUSH2	184121	3	1
[215]	3561	JUMPI	184118	10	1
[216]	3566	JUMPDEST	184108	1	1
[217]	3567	CALLER	184107	2	1
[218]	3568	PUSH1	184105	3	1
[219]	3570	PUSH1	184102	3	1
[220]	3572	PUSH1	184099	3	1
[221]	3574	EXP	184096	60	1
[222]	3575	SUB	184036	3	1
[223]	3576	DUP6	184033	3	1
[224]	3577	AND	184030	3	1
[225]	3578	EQ	184027	3	1
[226]	3579	ISZERO	184024	3	1
[227]	3580	PUSH2	184021	3	1
[228]	3583	JUMPI	184018	10	1
[229]	3600	JUMPDEST	184008	1	1
[230]	3601	PUSH1	184007	3	1
[231]	3603	PUSH1	184004	3	1
[232]	3605	PUSH1	184001	3	1
[233]	3607	EXP	183998	60	1
[234]	3608	SUB	183938	3	1
[235]	3609	DUP5	183935	3	1
[236]	3610	AND	183932	3	1
[237]	3611	PUSH1	183929	3	1
[238]	3613	SWAP1	183926	3	1
[239]	3614	DUP2	183923	3	1
[240]	3615	MSTORE	183920	3	1
[241]	3616	PUSH1	183917	3	1
[242]	3618	PUSH1	183914	3	1
[243]	3620	MSTORE	183911	3	1
[244]	3621	PUSH1	183908	3	1
[245]	3623	SWAP1	183905	3	1
[246]	3624	KECCAK256	183902	42	1
[247]	3625	SLOAD	183860	200	1
[248]	3626	DUP3	183660	3	1
[249]	3627	GT	183657	3	1
[250]	3628	ISZERO	183654	3	1
[251]	3629	PUSH2	183651	3	1
[252]	3632	JUMPI	183648	10	1
[253]	3637	JUMPDEST	183638	1	1
[254]	3638	PUSH1	183637	3	1
[255]	3640	PUSH1	183634	3	1
[256]	3642	PUSH1	183631	3	1
[257]	3644	EXP	183628	60	1
[258]	3645	SUB	183568	3	1
[259]	3646	DUP4	183565	3	1
[260]	3647	AND	183562	3	1
[261]	3648	ISZERO	183559	3	1
[262]	3649	ISZERO	183556	3	1
[263]	3650	PUSH2	183553	3	1
[264]	3653	JUMPI	183550	10	1
[265]	3658	JUMPDEST	183540	1	1
[266]	3659	PUSH1	183539	3	1
[267]	3661	PUSH1	183536	3	1
[268]	3663	PUSH1	183533	3	1
[269]	3665	EXP	183530	60	1
[270]	3666	SUB	183470	3	1
[271]	3667	DUP5	183467	3	1
[272]	3668	AND	183464	3	1
[273]	3669	PUSH1	183461	3	1
[274]	3671	SWAP1	183458	3	1
[275]	3672	DUP2	183455	3	1
[276]	3673	MSTORE	183452	3	1
[277]	3674	PUSH1	183449	3	1
[278]	3676	PUSH1	183446	3	1
[279]	3678	MSTORE	183443	3	1
[280]	3679	PUSH1	183440	3	1
[281]	3681	SWAP1	183437	3	1
[282]	3682	KECCAK256	183434	42	1
[283]	3683	SLOAD	183392	200	1
[284]	3684	PUSH2	183192	3	1
[285]	3687	SWAP1	183189	3	1
[286]	3688	DUP4	183186	3	1
[287]	3689	PUSH4	183183	3	1
[288]	3694	PUSH2	183180	3	1
[289]	3697	AND	183177	3	1
[290]	3698	JUMP	183174	8	1
[291]	6211	JUMPDEST	183166	1	1
[292]	6212	PUSH1	183165	3	1
[293]	6214	DUP1	183162	3	1
[294]	6215	DUP4	183159	3	1
[295]	6216	DUP4	183156	3	1
[296]	6217	GT	183153	3	1
[297]	6218	ISZERO	183150	3	1
[298]	6219	PUSH2	183147	3	1
[299]	6222	JUMPI	183144	10	1
[300]	6227	JUMPDEST	183134	1	1
[301]	6228	POP	183133	2	1
[302]	6229	POP	183131	2	1
[303]	6230	SWAP1	183129	3	1
[304]	6231	SUB	183126	3	1
[305]	6232	SWAP1	183123	3	1
[306]	6233	JUMP	183120	8	1
[307]	3699	JUMPDEST	183112	1	1
[308]	3700	PUSH1	183111	3	1
[309]	3702	PUSH1	183108	3	1
[310]	3704	PUSH1	183105	3	1
[311]	3706	EXP	183102	60	1
[312]	3707	SUB	183042	3	1
[313]	3708	DUP6	183039	3	1
[314]	3709	AND	183036	3	1
[315]	3710	PUSH1	183033	3	1
[316]	3712	SWAP1	183030	3	1
[317]	3713	DUP2	183027	3	1
[318]	3714	MSTORE	183024	3	1
[319]	3715	PUSH1	183021	3	1
[320]	3717	PUSH1	183018	3	1
[321]	3719	MSTORE	183015	3	1
[322]	3720	PUSH1	183012	3	1
[323]	3722	SWAP1	183009	3	1
[324]	3723	KECCAK256	183006	42	1
[325]	3724	DUP2	182964	3	1
[326]	3725	SWAP1	182961	3	1
[327]	3726	SSTORE	182958	5000	1
[328]	3727	ISZERO	177958	3	1
[329]	3728	DUP1	177955	3	1
[330]	3729	ISZERO	177952	3	1
[331]	3730	PUSH2	177949	3	1
[332]	3733	JUMPI	177946	10	1
[333]	3741	JUMPDEST	177936	1	1
[334]	3742	ISZERO	177935	3	1
[335]	3743	PUSH2	177932	3	1
[336]	3746	JUMPI	177929	10	1
[337]	3770	JUMPDEST	177919	1	1
[338]	3771	PUSH1	177918	3	1
[339]	3773	PUSH1	177915	3	1
[340]	3775	PUSH1	177912	3	1
[341]	3777	EXP	177909	60	1
[342]	3778	SUB	177849	3	1
[343]	3779	DUP4	177846	3	1
[344]	3780	AND	177843	3	1
[345]	3781	PUSH1	177840	3	1
[346]	3783	SWAP1	177837	3	1
[347]	3784	DUP2	177834	3	1
[348]	3785	MSTORE	177831	3	1
[349]	3786	PUSH1	177828	3	1
[350]	3788	PUSH1	177825	3	1
[351]	3790	MSTORE	177822	3	1
[352]	3791	PUSH1	177819	3	1
[353]	3793	SWAP1	177816	3	1
[354]	3794	KECCAK256	177813	42	1
[355]	3795	SLOAD	177771	200	1
[356]	3796	ISZERO	177571	3	1
[357]	3797	ISZERO	177568	3	1
[358]	3798	PUSH2	177565	3	1
[359]	3801	JUMPI	177562	10	1
[360]	3825	JUMPDEST	177552	1	1
[361]	3826	PUSH1	177551	3	1
[362]	3828	PUSH1	177548	3	1
[363]	3830	PUSH1	177545	3	1
[364]	3832	EXP	177542	60	1
[365]	3833	SUB	177482	3	1
[366]	3834	DUP4	177479	3	1
[367]	3835	AND	177476	3	1
[368]	3836	PUSH1	177473	3	1
[369]	3838	SWAP1	177470	3	1
[370]	3839	DUP2	177467	3	1
[371]	3840	MSTORE	177464	3	1
[372]	3841	PUSH1	177461	3	1
[373]	3843	PUSH1	177458	3	1
[374]	3845	MSTORE	177455	3	1
[375]	3846	PUSH1	177452	3	1
[376]	3848	SWAP1	177449	3	1
[377]	3849	KECCAK256	177446	42	1
[378]	3850	SLOAD	177404	200	1
[379]	3851	PUSH2	177204	3	1
[380]	3854	SWAP1	177201	3	1
[381]	3855	DUP4	177198	3	1
[382]	3856	PUSH4	177195	3	1
[383]	3861	PUSH2	177192	3	1
[384]	3864	AND	177189	3	1
[385]	3865	JUMP	177186	8	1
[386]	7250	JUMPDEST	177178	1	1
[387]	7251	PUSH1	177177	3	1
[388]	7253	DUP3	177174	3	1
[389]	7254	DUP3	177171	3	1
[390]	7255	ADD	177168	3	1
[391]	7256	DUP4	177165	3	1
[392]	7257	DUP2	177162	3	1
[393]	7258	LT	177159	3	1
[394]	7259	ISZERO	177156	3	1
[395]	7260	PUSH2	177153	3	1
[396]	7263	JUMPI	177150	10	1
[397]	2824	JUMPDEST	177140	1	1
[398]	2825	SWAP4	177139	3	1
[399]	2826	SWAP3	177136	3	1
[400]	2827	POP	177133	2	1
[401]	2828	POP	177131	2	1
[402]	2829	POP	177129	2	1
[403]	2830	JUMP	177127	8	1
[404]	3866	JUMPDEST	177119	1	1
[405]	3867	PUSH1	177118	3	1
[406]	3869	PUSH1	177115	3	1
[407]	3871	PUSH1	177112	3	1
[408]	3873	EXP	177109	60	1
[409]	3874	SUB	177049	3	1
[410]	3875	DUP5	177046	3	1
[411]	3876	AND	177043	3	1
[412]	3877	PUSH1	177040	3	1
[413]	3879	SWAP1	177037	3	1
[414]	3880	DUP2	177034	3	1
[415]	3881	MSTORE	177031	3	1
[416]	3882	PUSH1	177028	3	1
[417]	3884	PUSH1	177025	3	1
[418]	3886	DUP2	177022	3	1
[419]	3887	SWAP1	177019	3	1
[420]	3888	MSTORE	177016	3	1
[421]	3889	PUSH1	177013	3	1
[422]	3891	SWAP1	177010	3	1
[423]	3892	SWAP2	177007	3	1
[424]	3893	KECCAK256	177004	42	1
[425]	3894	SWAP2	176962	3	1
[426]	3895	SWAP1	176959	3	1
[427]	3896	SWAP2	176956	3	1
[428]	3897	SSTORE	176953	5000	1
[429]	3898	PUSH1	171953	3	1
[430]	3900	SLOAD	171950	200	1
[431]	3901	PUSH2	171750	3	1
[432]	3904	SWAP2	171747	3	1
[433]	3905	PUSH4	171744	3	1
[434]	3910	PUSH2	171741	3	1
[435]	3913	AND	171738	3	1
[436]	3914	JUMP	171735	8	1
[437]	7250	JUMPDEST	171727	1	1
[438]	7251	PUSH1	171726	3	1
[439]	7253	DUP3	171723	3	1
[440]	7254	DUP3	171720	3	1
[441]	7255	ADD	171717	3	1
[442]	7256	DUP4	171714	3	1
[443]	7257	DUP2	171711	3	1
[444]	7258	LT	171708	3	1
[445]	7259	ISZERO	171705	3	1
[446]	7260	PUSH2	171702	3	1
[447]	7263	JUMPI	171699	10	1
[448]	2824	JUMPDEST	171689	1	1
[449]	2825	SWAP4	171688	3	1
[450]	2826	SWAP3	171685	3	1
[451]	2827	POP	171682	2	1
[452]	2828	POP	171680	2	1
[453]	2829	POP	171678	2	1
[454]	2830	JUMP	171676	8	1
[455]	3915	JUMPDEST	171668	1	1
[456]	3916	PUSH1	171667	3	1
[457]	3918	SSTORE	171664	5000	1
[458]	3919	PUSH1	166664	3	1
[459]	3921	DUP1	166661	3	1
[460]	3922	MLOAD	166658	3	1
[461]	3923	DUP4	166655	3	1
[462]	3924	DUP2	166652	3	1
[463]	3925	MSTORE	166649	9	1
[464]	3926	SWAP1	166640	3	1
[465]	3927	MLOAD	166637	3	1
[466]	3928	PUSH1	166634	3	1
[467]	3930	PUSH1	166631	3	1
[468]	3932	PUSH1	166628	3	1
[469]	3934	EXP	166625	60	1
[470]	3935	SUB	166565	3	1
[471]	3936	DUP1	166562	3	1
[472]	3937	DUP7	166559	3	1
[473]	3938	AND	166556	3	1
[474]	3939	SWAP3	166553	3	1
[475]	3940	SWAP1	166550	3	1
[476]	3941	DUP8	166547	3	1
[477]	3942	AND	166544	3	1
[478]	3943	SWAP2	166541	3	1
[479]	3944	PUSH1	166538	3	1
[480]	3946	DUP1	166535	3	1
[481]	3947	MLOAD	166532	3	1
[482]	3948	PUSH1	166529	3	1
[483]	3950	PUSH2	166526	3	1
[484]	3953	DUP4	166523	3	1
[485]	3954	CODECOPY	166520	6	1
[486]	3955	DUP2	166514	3	1
[487]	3956	MLOAD	166511	3	1
[488]	3957	SWAP2	166508	3	1
[489]	3958	MSTORE	166505	3	1
[490]	3959	SWAP2	166502	3	1
[491]	3960	DUP2	166499	3	1
[492]	3961	SWAP1	166496	3	1
[493]	3962	SUB	166493	3	1
[494]	3963	PUSH1	166490	3	1
[495]	3965	ADD	166487	3	1
[496]	3966	SWAP1	166484	3	1
[497]	3967	LOG3	166481	1756	1
[498]	3968	POP	164725	2	1
[499]	3969	PUSH1	164723	3	1
[500]	3971	SWAP4	164720	3	1
[501]	3972	SWAP3	164717	3	1
[502]	3973	POP	164714	2	1
[503]	3974	POP	164712	2	1
[504]	3975	POP	164710	2	1
[505]	3976	JUMP	164708	8	1
[506]	606	JUMPDEST	164700	1	1
[507]	607	PUSH1	164699	3	1
[508]	609	DUP1	164696	3	1
[509]	610	MLOAD	164693	3	1
[510]	611	SWAP2	164690	3	1
[511]	612	ISZERO	164687	3	1
[512]	613	ISZERO	164684	3	1
[513]	614	DUP3	164681	3	1
[514]	615	MSTORE	164678	3	1
[515]	616	MLOAD	164675	3	1
[516]	617	SWAP1	164672	3	1
[517]	618	DUP2	164669	3	1
[518]	619	SWAP1	164666	3	1
[519]	620	SUB	164663	3	1
[520]	621	PUSH1	164660	3	1
[521]	623	ADD	164657	3	1
[522]	624	SWAP1	164654	3	1
[523]	625	RETURN	164651	0	1

Tools & Services

Geth VM Trace Transaction