Geth VM Trace Transaction

GETH Trace for Txn Hash 0x2bee756594de59d2774b33e5e59dbb8a14ab1ec443a950bd8ffdf36dbab00d4a

Contract transaction successfully completed.

Raw traces

A total of 529 steps found

Step	PC	Operation	Gas	GasCost	Depth
[1]	0	PUSH1	50377	3	1
[2]	2	PUSH1	50374	3	1
[3]	4	MSTORE	50371	12	1
[4]	5	CALLDATASIZE	50359	2	1
[5]	6	PUSH2	50357	3	1
[6]	9	JUMPI	50354	10	1
[7]	19	JUMPDEST	50344	1	1
[8]	20	PUSH2	50343	3	1
[9]	23	JUMPDEST	50340	1	1
[10]	24	PUSH2	50339	3	1
[11]	27	PUSH2	50336	3	1
[12]	30	PUSH2	50333	3	1
[13]	33	JUMP	50330	8	1
[14]	94	JUMPDEST	50322	1	1
[15]	95	PUSH1	50321	3	1
[16]	97	PUSH2	50318	3	1
[17]	100	PUSH32	50315	3	1
[18]	133	SLOAD	50312	2100	1
[19]	134	PUSH1	48212	3	1
[20]	136	PUSH1	48209	3	1
[21]	138	PUSH1	48206	3	1
[22]	140	SHL	48203	3	1
[23]	141	SUB	48200	3	1
[24]	142	AND	48197	3	1
[25]	143	SWAP1	48194	3	1
[26]	144	JUMP	48191	8	1
[27]	145	JUMPDEST	48183	1	1
[28]	146	PUSH1	48182	3	1
[29]	148	PUSH1	48179	3	1
[30]	150	PUSH1	48176	3	1
[31]	152	SHL	48173	3	1
[32]	153	SUB	48170	3	1
[33]	154	AND	48167	3	1
[34]	155	PUSH4	48164	3	1
[35]	160	PUSH1	48161	3	1
[36]	162	MLOAD	48158	3	1
[37]	163	DUP2	48155	3	1
[38]	164	PUSH4	48152	3	1
[39]	169	AND	48149	3	1
[40]	170	PUSH1	48146	3	1
[41]	172	SHL	48143	3	1
[42]	173	DUP2	48140	3	1
[43]	174	MSTORE	48137	9	1
[44]	175	PUSH1	48128	3	1
[45]	177	ADD	48125	3	1
[46]	178	PUSH1	48122	3	1
[47]	180	PUSH1	48119	3	1
[48]	182	MLOAD	48116	3	1
[49]	183	DUP1	48113	3	1
[50]	184	DUP4	48110	3	1
[51]	185	SUB	48107	3	1
[52]	186	DUP2	48104	3	1
[53]	187	DUP7	48101	3	1
[54]	188	DUP1	48098	3	1
[55]	189	EXTCODESIZE	48095	2600	1
[56]	190	ISZERO	45495	3	1
[57]	191	DUP1	45492	3	1
[58]	192	ISZERO	45489	3	1
[59]	193	PUSH2	45486	3	1
[60]	196	JUMPI	45483	10	1
[61]	201	JUMPDEST	45473	1	1
[62]	202	POP	45472	2	1
[63]	203	GAS	45470	2	1
[64]	204	STATICCALL	45468	44760	1
[65]	0	PUSH1	44660	3	2
[66]	2	PUSH1	44657	3	2
[67]	4	MSTORE	44654	12	2
[68]	5	CALLDATASIZE	44642	2	2
[69]	6	PUSH2	44640	3	2
[70]	9	JUMPI	44637	10	2
[71]	19	JUMPDEST	44627	1	2
[72]	20	PUSH2	44626	3	2
[73]	23	JUMPDEST	44623	1	2
[74]	24	PUSH2	44622	3	2
[75]	27	PUSH2	44619	3	2
[76]	30	PUSH2	44616	3	2
[77]	33	JUMP	44613	8	2
[78]	94	JUMPDEST	44605	1	2
[79]	95	PUSH1	44604	3	2
[80]	97	PUSH2	44601	3	2
[81]	100	PUSH32	44598	3	2
[82]	133	SLOAD	44595	2100	2
[83]	134	PUSH1	42495	3	2
[84]	136	PUSH1	42492	3	2
[85]	138	PUSH1	42489	3	2
[86]	140	SHL	42486	3	2
[87]	141	SUB	42483	3	2
[88]	142	AND	42480	3	2
[89]	143	SWAP1	42477	3	2
[90]	144	JUMP	42474	8	2
[91]	145	JUMPDEST	42466	1	2
[92]	146	SWAP1	42465	3	2
[93]	147	POP	42462	2	2
[94]	148	SWAP1	42460	3	2
[95]	149	JUMP	42457	8	2
[96]	34	JUMPDEST	42449	1	2
[97]	35	PUSH2	42448	3	2
[98]	38	JUMP	42445	8	2
[99]	150	JUMPDEST	42437	1	2
[100]	151	CALLDATASIZE	42436	2	2
[101]	152	PUSH1	42434	3	2
[102]	154	DUP1	42431	3	2
[103]	155	CALLDATACOPY	42428	6	2
[104]	156	PUSH1	42422	3	2
[105]	158	DUP1	42419	3	2
[106]	159	CALLDATASIZE	42416	2	2
[107]	160	PUSH1	42414	3	2
[108]	162	DUP5	42411	3	2
[109]	163	GAS	42408	2	2
[110]	164	DELEGATECALL	42406	41785	2
[111]	0	PUSH1	39185	3	3
[112]	2	PUSH1	39182	3	3
[113]	4	MSTORE	39179	12	3
[114]	5	PUSH1	39167	3	3
[115]	7	CALLDATASIZE	39164	2	3
[116]	8	LT	39162	3	3
[117]	9	PUSH3	39159	3	3
[118]	13	JUMPI	39156	10	3
[119]	14	PUSH1	39146	3	3
[120]	16	CALLDATALOAD	39143	3	3
[121]	17	PUSH1	39140	3	3
[122]	19	SHR	39137	3	3
[123]	20	DUP1	39134	3	3
[124]	21	PUSH4	39131	3	3
[125]	26	GT	39128	3	3
[126]	27	PUSH3	39125	3	3
[127]	31	JUMPI	39122	10	3
[128]	351	JUMPDEST	39112	1	3
[129]	352	DUP1	39111	3	3
[130]	353	PUSH4	39108	3	3
[131]	358	GT	39105	3	3
[132]	359	PUSH3	39102	3	3
[133]	363	JUMPI	39099	10	3
[134]	364	DUP1	39089	3	3
[135]	365	PUSH4	39086	3	3
[136]	370	GT	39083	3	3
[137]	371	PUSH3	39080	3	3
[138]	375	JUMPI	39077	10	3
[139]	452	JUMPDEST	39067	1	3
[140]	453	DUP1	39066	3	3
[141]	454	PUSH4	39063	3	3
[142]	459	EQ	39060	3	3
[143]	460	PUSH3	39057	3	3
[144]	464	JUMPI	39054	10	3
[145]	465	DUP1	39044	3	3
[146]	466	PUSH4	39041	3	3
[147]	471	EQ	39038	3	3
[148]	472	PUSH3	39035	3	3
[149]	476	JUMPI	39032	10	3
[150]	477	DUP1	39022	3	3
[151]	478	PUSH4	39019	3	3
[152]	483	EQ	39016	3	3
[153]	484	PUSH3	39013	3	3
[154]	488	JUMPI	39010	10	3
[155]	1515	JUMPDEST	39000	1	3
[156]	1516	CALLVALUE	38999	2	3
[157]	1517	DUP1	38997	3	3
[158]	1518	ISZERO	38994	3	3
[159]	1519	PUSH3	38991	3	3
[160]	1523	JUMPI	38988	10	3
[161]	1528	JUMPDEST	38978	1	3
[162]	1529	POP	38977	2	3
[163]	1530	PUSH3	38975	3	3
[164]	1534	PUSH3	38972	3	3
[165]	1538	JUMP	38969	8	3
[166]	4693	JUMPDEST	38961	1	3
[167]	4694	PUSH1	38960	3	3
[168]	4696	PUSH3	38957	3	3
[169]	4700	PUSH1	38954	3	3
[170]	4702	SLOAD	38951	2100	3
[171]	4703	PUSH1	36851	3	3
[172]	4705	PUSH1	36848	3	3
[173]	4707	PUSH1	36845	3	3
[174]	4709	SHL	36842	3	3
[175]	4710	SUB	36839	3	3
[176]	4711	AND	36836	3	3
[177]	4712	SWAP1	36833	3	3
[178]	4713	JUMP	36830	8	3
[179]	4714	JUMPDEST	36822	1	3
[180]	4715	SWAP1	36821	3	3
[181]	4716	POP	36818	2	3
[182]	4717	SWAP1	36816	3	3
[183]	4718	JUMP	36813	8	3
[184]	1232	JUMPDEST	36805	1	3
[185]	1233	PUSH1	36804	3	3
[186]	1235	MLOAD	36801	3	3
[187]	1236	PUSH1	36798	3	3
[188]	1238	PUSH1	36795	3	3
[189]	1240	PUSH1	36792	3	3
[190]	1242	SHL	36789	3	3
[191]	1243	SUB	36786	3	3
[192]	1244	SWAP1	36783	3	3
[193]	1245	SWAP2	36780	3	3
[194]	1246	AND	36777	3	3
[195]	1247	DUP2	36774	3	3
[196]	1248	MSTORE	36771	9	3
[197]	1249	PUSH1	36762	3	3
[198]	1251	ADD	36759	3	3
[199]	1252	PUSH3	36756	3	3
[200]	1256	JUMP	36753	8	3
[201]	789	JUMPDEST	36745	1	3
[202]	790	PUSH1	36744	3	3
[203]	792	MLOAD	36741	3	3
[204]	793	DUP1	36738	3	3
[205]	794	SWAP2	36735	3	3
[206]	795	SUB	36732	3	3
[207]	796	SWAP1	36729	3	3
[208]	797	RETURN	36726	0	3
[209]	165	RETURNDATASIZE	37347	2	2
[210]	166	PUSH1	37345	3	2
[211]	168	DUP1	37342	3	2
[212]	169	RETURNDATACOPY	37339	6	2
[213]	170	DUP1	37333	3	2
[214]	171	DUP1	37330	3	2
[215]	172	ISZERO	37327	3	2
[216]	173	PUSH2	37324	3	2
[217]	176	JUMPI	37321	10	2
[218]	177	RETURNDATASIZE	37311	2	2
[219]	178	PUSH1	37309	3	2
[220]	180	RETURN	37306	0	2
[221]	205	ISZERO	38014	3	1
[222]	206	DUP1	38011	3	1
[223]	207	ISZERO	38008	3	1
[224]	208	PUSH2	38005	3	1
[225]	211	JUMPI	38002	10	1
[226]	221	JUMPDEST	37992	1	1
[227]	222	POP	37991	2	1
[228]	223	POP	37989	2	1
[229]	224	POP	37987	2	1
[230]	225	POP	37985	2	1
[231]	226	PUSH1	37983	3	1
[232]	228	MLOAD	37980	3	1
[233]	229	RETURNDATASIZE	37977	2	1
[234]	230	PUSH1	37975	3	1
[235]	232	NOT	37972	3	1
[236]	233	PUSH1	37969	3	1
[237]	235	DUP3	37966	3	1
[238]	236	ADD	37963	3	1
[239]	237	AND	37960	3	1
[240]	238	DUP3	37957	3	1
[241]	239	ADD	37954	3	1
[242]	240	DUP1	37951	3	1
[243]	241	PUSH1	37948	3	1
[244]	243	MSTORE	37945	3	1
[245]	244	POP	37942	2	1
[246]	245	DUP2	37940	3	1
[247]	246	ADD	37937	3	1
[248]	247	SWAP1	37934	3	1
[249]	248	PUSH2	37931	3	1
[250]	251	SWAP2	37928	3	1
[251]	252	SWAP1	37925	3	1
[252]	253	PUSH2	37922	3	1
[253]	256	JUMP	37919	8	1
[254]	572	JUMPDEST	37911	1	1
[255]	573	PUSH1	37910	3	1
[256]	575	PUSH1	37907	3	1
[257]	577	DUP3	37904	3	1
[258]	578	DUP5	37901	3	1
[259]	579	SUB	37898	3	1
[260]	580	SLT	37895	3	1
[261]	581	ISZERO	37892	3	1
[262]	582	PUSH2	37889	3	1
[263]	585	JUMPI	37886	10	1
[264]	589	JUMPDEST	37876	1	1
[265]	590	DUP2	37875	3	1
[266]	591	MLOAD	37872	3	1
[267]	592	PUSH1	37869	3	1
[268]	594	PUSH1	37866	3	1
[269]	596	PUSH1	37863	3	1
[270]	598	SHL	37860	3	1
[271]	599	SUB	37857	3	1
[272]	600	DUP2	37854	3	1
[273]	601	AND	37851	3	1
[274]	602	DUP2	37848	3	1
[275]	603	EQ	37845	3	1
[276]	604	PUSH2	37842	3	1
[277]	607	JUMPI	37839	10	1
[278]	78	JUMPDEST	37829	1	1
[279]	79	SWAP4	37828	3	1
[280]	80	SWAP3	37825	3	1
[281]	81	POP	37822	2	1
[282]	82	POP	37820	2	1
[283]	83	POP	37818	2	1
[284]	84	JUMP	37816	8	1
[285]	257	JUMPDEST	37808	1	1
[286]	258	SWAP1	37807	3	1
[287]	259	POP	37804	2	1
[288]	260	SWAP1	37802	3	1
[289]	261	JUMP	37799	8	1
[290]	34	JUMPDEST	37791	1	1
[291]	35	PUSH2	37790	3	1
[292]	38	JUMP	37787	8	1
[293]	262	JUMPDEST	37779	1	1
[294]	263	CALLDATASIZE	37778	2	1
[295]	264	PUSH1	37776	3	1
[296]	266	DUP1	37773	3	1
[297]	267	CALLDATACOPY	37770	12	1
[298]	268	PUSH1	37758	3	1
[299]	270	DUP1	37755	3	1
[300]	271	CALLDATASIZE	37752	2	1
[301]	272	PUSH1	37750	3	1
[302]	274	DUP5	37747	3	1
[303]	275	GAS	37744	2	1
[304]	276	DELEGATECALL	37742	37193	1
[305]	0	PUSH1	34593	3	2
[306]	2	PUSH1	34590	3	2
[307]	4	MSTORE	34587	12	2
[308]	5	CALLVALUE	34575	2	2
[309]	6	DUP1	34573	3	2
[310]	7	ISZERO	34570	3	2
[311]	8	PUSH2	34567	3	2
[312]	11	JUMPI	34564	10	2
[313]	16	JUMPDEST	34554	1	2
[314]	17	POP	34553	2	2
[315]	18	PUSH1	34551	3	2
[316]	20	CALLDATASIZE	34548	2	2
[317]	21	LT	34546	3	2
[318]	22	PUSH2	34543	3	2
[319]	25	JUMPI	34540	10	2
[320]	26	PUSH1	34530	3	2
[321]	28	CALLDATALOAD	34527	3	2
[322]	29	PUSH1	34524	3	2
[323]	31	SHR	34521	3	2
[324]	32	DUP1	34518	3	2
[325]	33	PUSH4	34515	3	2
[326]	38	GT	34512	3	2
[327]	39	PUSH2	34509	3	2
[328]	42	JUMPI	34506	10	2
[329]	184	JUMPDEST	34496	1	2
[330]	185	DUP1	34495	3	2
[331]	186	PUSH4	34492	3	2
[332]	191	GT	34489	3	2
[333]	192	PUSH2	34486	3	2
[334]	195	JUMPI	34483	10	2
[335]	266	JUMPDEST	34473	1	2
[336]	267	DUP1	34472	3	2
[337]	268	PUSH4	34469	3	2
[338]	273	EQ	34466	3	2
[339]	274	PUSH2	34463	3	2
[340]	277	JUMPI	34460	10	2
[341]	278	DUP1	34450	3	2
[342]	279	PUSH4	34447	3	2
[343]	284	EQ	34444	3	2
[344]	285	PUSH2	34441	3	2
[345]	288	JUMPI	34438	10	2
[346]	357	JUMPDEST	34428	1	2
[347]	358	PUSH2	34427	3	2
[348]	361	PUSH2	34424	3	2
[349]	364	CALLDATASIZE	34421	2	2
[350]	365	PUSH1	34419	3	2
[351]	367	PUSH2	34416	3	2
[352]	370	JUMP	34413	8	2
[353]	5802	JUMPDEST	34405	1	2
[354]	5803	PUSH1	34404	3	2
[355]	5805	DUP1	34401	3	2
[356]	5806	PUSH1	34398	3	2
[357]	5808	DUP4	34395	3	2
[358]	5809	DUP6	34392	3	2
[359]	5810	SUB	34389	3	2
[360]	5811	SLT	34386	3	2
[361]	5812	ISZERO	34383	3	2
[362]	5813	PUSH2	34380	3	2
[363]	5816	JUMPI	34377	10	2
[364]	5820	JUMPDEST	34367	1	2
[365]	5821	PUSH2	34366	3	2
[366]	5824	DUP4	34363	3	2
[367]	5825	PUSH2	34360	3	2
[368]	5828	JUMP	34357	8	2
[369]	5351	JUMPDEST	34349	1	2
[370]	5352	DUP1	34348	3	2
[371]	5353	CALLDATALOAD	34345	3	2
[372]	5354	PUSH1	34342	3	2
[373]	5356	PUSH1	34339	3	2
[374]	5358	PUSH1	34336	3	2
[375]	5360	SHL	34333	3	2
[376]	5361	SUB	34330	3	2
[377]	5362	DUP2	34327	3	2
[378]	5363	AND	34324	3	2
[379]	5364	DUP2	34321	3	2
[380]	5365	EQ	34318	3	2
[381]	5366	PUSH2	34315	3	2
[382]	5369	JUMPI	34312	10	2
[383]	5374	JUMPDEST	34302	1	2
[384]	5375	SWAP2	34301	3	2
[385]	5376	SWAP1	34298	3	2
[386]	5377	POP	34295	2	2
[387]	5378	JUMP	34293	8	2
[388]	5829	JUMPDEST	34285	1	2
[389]	5830	SWAP5	34284	3	2
[390]	5831	PUSH1	34281	3	2
[391]	5833	SWAP4	34278	3	2
[392]	5834	SWAP1	34275	3	2
[393]	5835	SWAP4	34272	3	2
[394]	5836	ADD	34269	3	2
[395]	5837	CALLDATALOAD	34266	3	2
[396]	5838	SWAP4	34263	3	2
[397]	5839	POP	34260	2	2
[398]	5840	POP	34258	2	2
[399]	5841	POP	34256	2	2
[400]	5842	JUMP	34254	8	2
[401]	371	JUMPDEST	34246	1	2
[402]	372	PUSH2	34245	3	2
[403]	375	JUMP	34242	8	2
[404]	980	JUMPDEST	34234	1	2
[405]	981	PUSH1	34233	3	2
[406]	983	PUSH2	34230	3	2
[407]	986	CALLER	34227	2	2
[408]	987	DUP5	34225	3	2
[409]	988	DUP5	34222	3	2
[410]	989	PUSH2	34219	3	2
[411]	992	JUMP	34216	8	2
[412]	2387	JUMPDEST	34208	1	2
[413]	2388	PUSH1	34207	3	2
[414]	2390	PUSH1	34204	3	2
[415]	2392	PUSH1	34201	3	2
[416]	2394	SHL	34198	3	2
[417]	2395	SUB	34195	3	2
[418]	2396	DUP4	34192	3	2
[419]	2397	AND	34189	3	2
[420]	2398	PUSH2	34186	3	2
[421]	2401	JUMPI	34183	10	2
[422]	2485	JUMPDEST	34173	1	2
[423]	2486	PUSH1	34172	3	2
[424]	2488	PUSH1	34169	3	2
[425]	2490	PUSH1	34166	3	2
[426]	2492	SHL	34163	3	2
[427]	2493	SUB	34160	3	2
[428]	2494	DUP3	34157	3	2
[429]	2495	AND	34154	3	2
[430]	2496	PUSH2	34151	3	2
[431]	2499	JUMPI	34148	10	2
[432]	2582	JUMPDEST	34138	1	2
[433]	2583	PUSH1	34137	3	2
[434]	2585	PUSH1	34134	3	2
[435]	2587	PUSH1	34131	3	2
[436]	2589	SHL	34128	3	2
[437]	2590	SUB	34125	3	2
[438]	2591	DUP4	34122	3	2
[439]	2592	DUP2	34119	3	2
[440]	2593	AND	34116	3	2
[441]	2594	PUSH1	34113	3	2
[442]	2596	DUP2	34110	3	2
[443]	2597	DUP2	34107	3	2
[444]	2598	MSTORE	34104	3	2
[445]	2599	PUSH1	34101	3	2
[446]	2601	PUSH1	34098	3	2
[447]	2603	SWAP1	34095	3	2
[448]	2604	DUP2	34092	3	2
[449]	2605	MSTORE	34089	3	2
[450]	2606	PUSH1	34086	3	2
[451]	2608	DUP1	34083	3	2
[452]	2609	DUP4	34080	3	2
[453]	2610	KECCAK256	34077	42	2
[454]	2611	SWAP5	34035	3	2
[455]	2612	DUP8	34032	3	2
[456]	2613	AND	34029	3	2
[457]	2614	DUP1	34026	3	2
[458]	2615	DUP5	34023	3	2
[459]	2616	MSTORE	34020	3	2
[460]	2617	SWAP5	34017	3	2
[461]	2618	DUP3	34014	3	2
[462]	2619	MSTORE	34011	3	2
[463]	2620	SWAP2	34008	3	2
[464]	2621	DUP3	34005	3	2
[465]	2622	SWAP1	34002	3	2
[466]	2623	KECCAK256	33999	42	2
[467]	2624	DUP6	33957	3	2
[468]	2625	SWAP1	33954	3	2
[469]	2626	SSTORE	33951	22100	2
[470]	2627	SWAP1	11851	3	2
[471]	2628	MLOAD	11848	3	2
[472]	2629	DUP5	11845	3	2
[473]	2630	DUP2	11842	3	2
[474]	2631	MSTORE	11839	9	2
[475]	2632	PUSH32	11830	3	2
[476]	2665	SWAP2	11827	3	2
[477]	2666	ADD	11824	3	2
[478]	2667	JUMPDEST	11821	1	2
[479]	2668	PUSH1	11820	3	2
[480]	2670	MLOAD	11817	3	2
[481]	2671	DUP1	11814	3	2
[482]	2672	SWAP2	11811	3	2
[483]	2673	SUB	11808	3	2
[484]	2674	SWAP1	11805	3	2
[485]	2675	LOG3	11802	1756	2
[486]	2676	POP	10046	2	2
[487]	2677	POP	10044	2	2
[488]	2678	POP	10042	2	2
[489]	2679	JUMP	10040	8	2
[490]	993	JUMPDEST	10032	1	2
[491]	994	POP	10031	2	2
[492]	995	PUSH1	10029	3	2
[493]	997	SWAP3	10026	3	2
[494]	998	SWAP2	10023	3	2
[495]	999	POP	10020	2	2
[496]	1000	POP	10018	2	2
[497]	1001	JUMP	10016	8	2
[498]	376	JUMPDEST	10008	1	2
[499]	377	PUSH1	10007	3	2
[500]	379	MLOAD	10004	3	2
[501]	380	SWAP1	10001	3	2
[502]	381	ISZERO	9998	3	2
[503]	382	ISZERO	9995	3	2
[504]	383	DUP2	9992	3	2
[505]	384	MSTORE	9989	3	2
[506]	385	PUSH1	9986	3	2
[507]	387	ADD	9983	3	2
[508]	388	PUSH2	9980	3	2
[509]	391	JUMP	9977	8	2
[510]	348	JUMPDEST	9969	1	2
[511]	349	PUSH1	9968	3	2
[512]	351	MLOAD	9965	3	2
[513]	352	DUP1	9962	3	2
[514]	353	SWAP2	9959	3	2
[515]	354	SUB	9956	3	2
[516]	355	SWAP1	9953	3	2
[517]	356	RETURN	9950	0	2
[518]	277	RETURNDATASIZE	10499	2	1
[519]	278	PUSH1	10497	3	1
[520]	280	DUP1	10494	3	1
[521]	281	RETURNDATACOPY	10491	6	1
[522]	282	DUP1	10485	3	1
[523]	283	DUP1	10482	3	1
[524]	284	ISZERO	10479	3	1
[525]	285	PUSH2	10476	3	1
[526]	288	JUMPI	10473	10	1
[527]	289	RETURNDATASIZE	10463	2	1
[528]	290	PUSH1	10461	3	1
[529]	292	RETURN	10458	0	1

Tools & Services

Geth VM Trace Transaction