Geth VM Trace Transaction

GETH Trace for Txn Hash 0x80d64df875137fd485cfa2854b268fcea689c2df94af2725ceaef73832ee60e6

Contract transaction successfully completed.

Raw traces

A total of 518 steps found

Step	PC	Operation	Gas	GasCost	Depth
[1]	0	PUSH1	74982	3	1
[2]	2	PUSH1	74979	3	1
[3]	4	MSTORE	74976	12	1
[4]	5	PUSH1	74964	3	1
[5]	7	CALLDATASIZE	74961	2	1
[6]	8	LT	74959	3	1
[7]	9	PUSH2	74956	3	1
[8]	12	JUMPI	74953	10	1
[9]	13	PUSH1	74943	3	1
[10]	15	CALLDATALOAD	74940	3	1
[11]	16	PUSH1	74937	3	1
[12]	18	SHR	74934	3	1
[13]	19	DUP1	74931	3	1
[14]	20	PUSH4	74928	3	1
[15]	25	GT	74925	3	1
[16]	26	PUSH2	74922	3	1
[17]	29	JUMPI	74919	10	1
[18]	30	DUP1	74909	3	1
[19]	31	PUSH4	74906	3	1
[20]	36	GT	74903	3	1
[21]	37	PUSH2	74900	3	1
[22]	40	JUMPI	74897	10	1
[23]	41	DUP1	74887	3	1
[24]	42	PUSH4	74884	3	1
[25]	47	EQ	74881	3	1
[26]	48	PUSH2	74878	3	1
[27]	51	JUMPI	74875	10	1
[28]	52	DUP1	74865	3	1
[29]	53	PUSH4	74862	3	1
[30]	58	EQ	74859	3	1
[31]	59	PUSH2	74856	3	1
[32]	62	JUMPI	74853	10	1
[33]	63	DUP1	74843	3	1
[34]	64	PUSH4	74840	3	1
[35]	69	EQ	74837	3	1
[36]	70	PUSH2	74834	3	1
[37]	73	JUMPI	74831	10	1
[38]	74	DUP1	74821	3	1
[39]	75	PUSH4	74818	3	1
[40]	80	EQ	74815	3	1
[41]	81	PUSH2	74812	3	1
[42]	84	JUMPI	74809	10	1
[43]	1792	JUMPDEST	74799	1	1
[44]	1793	PUSH2	74798	3	1
[45]	1796	PUSH1	74795	3	1
[46]	1798	DUP1	74792	3	1
[47]	1799	CALLDATASIZE	74789	2	1
[48]	1800	SUB	74787	3	1
[49]	1801	PUSH1	74784	3	1
[50]	1803	DUP2	74781	3	1
[51]	1804	LT	74778	3	1
[52]	1805	ISZERO	74775	3	1
[53]	1806	PUSH2	74772	3	1
[54]	1809	JUMPI	74769	10	1
[55]	1814	JUMPDEST	74759	1	1
[56]	1815	POP	74758	2	1
[57]	1816	CALLDATALOAD	74756	3	1
[58]	1817	JUMPDEST	74753	1	1
[59]	1818	CALLER	74752	2	1
[60]	1819	PUSH1	74750	3	1
[61]	1821	SWAP1	74747	3	1
[62]	1822	DUP2	74744	3	1
[63]	1823	MSTORE	74741	3	1
[64]	1824	PUSH1	74738	3	1
[65]	1826	PUSH1	74735	3	1
[66]	1828	MSTORE	74732	3	1
[67]	1829	PUSH1	74729	3	1
[68]	1831	SWAP1	74726	3	1
[69]	1832	KECCAK256	74723	42	1
[70]	1833	SLOAD	74681	800	1
[71]	1834	PUSH1	73881	3	1
[72]	1836	AND	73878	3	1
[73]	1837	PUSH2	73875	3	1
[74]	1840	JUMPI	73872	10	1
[75]	1902	JUMPDEST	73862	1	1
[76]	1903	PUSH1	73861	3	1
[77]	1905	DUP2	73858	3	1
[78]	1906	GT	73855	3	1
[79]	1907	DUP1	73852	3	1
[80]	1908	ISZERO	73849	3	1
[81]	1909	PUSH2	73846	3	1
[82]	1912	JUMPI	73843	10	1
[83]	1913	POP	73833	2	1
[84]	1914	PUSH1	73831	3	1
[85]	1916	DUP2	73828	3	1
[86]	1917	GT	73825	3	1
[87]	1918	ISZERO	73822	3	1
[88]	1919	JUMPDEST	73819	1	1
[89]	1920	PUSH2	73818	3	1
[90]	1923	JUMPI	73815	10	1
[91]	1986	JUMPDEST	73805	1	1
[92]	1987	DUP1	73804	3	1
[93]	1988	PUSH1	73801	3	1
[94]	1990	EQ	73798	3	1
[95]	1991	ISZERO	73795	3	1
[96]	1992	PUSH2	73792	3	1
[97]	1995	JUMPI	73789	10	1
[98]	2155	JUMPDEST	73779	1	1
[99]	2156	PUSH1	73778	3	1
[100]	2158	DUP2	73775	3	1
[101]	2159	DUP2	73772	3	1
[102]	2160	MSTORE	73769	3	1
[103]	2161	PUSH1	73766	3	1
[104]	2163	PUSH1	73763	3	1
[105]	2165	MSTORE	73760	3	1
[106]	2166	PUSH1	73757	3	1
[107]	2168	SWAP1	73754	3	1
[108]	2169	KECCAK256	73751	42	1
[109]	2170	SLOAD	73709	800	1
[110]	2171	CALLVALUE	72909	2	1
[111]	2172	EQ	72907	3	1
[112]	2173	PUSH2	72904	3	1
[113]	2176	JUMPI	72901	10	1
[114]	2239	JUMPDEST	72891	1	1
[115]	2240	PUSH1	72890	3	1
[116]	2242	NOT	72887	3	1
[117]	2243	DUP2	72884	3	1
[118]	2244	ADD	72881	3	1
[119]	2245	JUMPDEST	72878	1	1
[120]	2246	DUP1	72877	3	1
[121]	2247	ISZERO	72874	3	1
[122]	2248	PUSH2	72871	3	1
[123]	2251	JUMPI	72868	10	1
[124]	2252	CALLER	72858	2	1
[125]	2253	PUSH1	72856	3	1
[126]	2255	SWAP1	72853	3	1
[127]	2256	DUP2	72850	3	1
[128]	2257	MSTORE	72847	3	1
[129]	2258	PUSH1	72844	3	1
[130]	2260	PUSH1	72841	3	1
[131]	2262	SWAP1	72838	3	1
[132]	2263	DUP2	72835	3	1
[133]	2264	MSTORE	72832	3	1
[134]	2265	PUSH1	72829	3	1
[135]	2267	DUP1	72826	3	1
[136]	2268	DUP4	72823	3	1
[137]	2269	KECCAK256	72820	42	1
[138]	2270	DUP5	72778	3	1
[139]	2271	DUP5	72775	3	1
[140]	2272	MSTORE	72772	3	1
[141]	2273	PUSH1	72769	3	1
[142]	2275	ADD	72766	3	1
[143]	2276	SWAP1	72763	3	1
[144]	2277	SWAP2	72760	3	1
[145]	2278	MSTORE	72757	3	1
[146]	2279	SWAP1	72754	3	1
[147]	2280	KECCAK256	72751	42	1
[148]	2281	SLOAD	72709	800	1
[149]	2282	TIMESTAMP	71909	2	1
[150]	2283	GT	71907	3	1
[151]	2284	ISZERO	71904	3	1
[152]	2285	PUSH2	71901	3	1
[153]	2288	JUMPI	71898	10	1
[154]	2358	JUMPDEST	71888	1	1
[155]	2359	PUSH1	71887	3	1
[156]	2361	NOT	71884	3	1
[157]	2362	ADD	71881	3	1
[158]	2363	PUSH2	71878	3	1
[159]	2366	JUMP	71875	8	1
[160]	2245	JUMPDEST	71867	1	1
[161]	2246	DUP1	71866	3	1
[162]	2247	ISZERO	71863	3	1
[163]	2248	PUSH2	71860	3	1
[164]	2251	JUMPI	71857	10	1
[165]	2367	JUMPDEST	71847	1	1
[166]	2368	POP	71846	2	1
[167]	2369	CALLER	71844	2	1
[168]	2370	PUSH1	71842	3	1
[169]	2372	SWAP1	71839	3	1
[170]	2373	DUP2	71836	3	1
[171]	2374	MSTORE	71833	3	1
[172]	2375	PUSH1	71830	3	1
[173]	2377	PUSH1	71827	3	1
[174]	2379	SWAP1	71824	3	1
[175]	2380	DUP2	71821	3	1
[176]	2381	MSTORE	71818	3	1
[177]	2382	PUSH1	71815	3	1
[178]	2384	DUP1	71812	3	1
[179]	2385	DUP4	71809	3	1
[180]	2386	KECCAK256	71806	42	1
[181]	2387	DUP5	71764	3	1
[182]	2388	DUP5	71761	3	1
[183]	2389	MSTORE	71758	3	1
[184]	2390	PUSH1	71755	3	1
[185]	2392	ADD	71752	3	1
[186]	2393	SWAP1	71749	3	1
[187]	2394	SWAP2	71746	3	1
[188]	2395	MSTORE	71743	3	1
[189]	2396	SWAP1	71740	3	1
[190]	2397	KECCAK256	71737	42	1
[191]	2398	SLOAD	71695	800	1
[192]	2399	PUSH2	70895	3	1
[193]	2402	JUMPI	70892	10	1
[194]	2403	PUSH1	70882	3	1
[195]	2405	DUP1	70879	3	1
[196]	2406	SLOAD	70876	800	1
[197]	2407	CALLER	70076	2	1
[198]	2408	PUSH1	70074	3	1
[199]	2410	SWAP1	70071	3	1
[200]	2411	DUP2	70068	3	1
[201]	2412	MSTORE	70065	3	1
[202]	2413	PUSH1	70062	3	1
[203]	2415	PUSH1	70059	3	1
[204]	2417	SWAP1	70056	3	1
[205]	2418	DUP2	70053	3	1
[206]	2419	MSTORE	70050	3	1
[207]	2420	PUSH1	70047	3	1
[208]	2422	DUP1	70044	3	1
[209]	2423	DUP4	70041	3	1
[210]	2424	KECCAK256	70038	42	1
[211]	2425	DUP7	69996	3	1
[212]	2426	DUP5	69993	3	1
[213]	2427	MSTORE	69990	3	1
[214]	2428	SWAP1	69987	3	1
[215]	2429	SWAP5	69984	3	1
[216]	2430	ADD	69981	3	1
[217]	2431	SWAP1	69978	3	1
[218]	2432	MSTORE	69975	3	1
[219]	2433	SWAP2	69972	3	1
[220]	2434	SWAP1	69969	3	1
[221]	2435	SWAP2	69966	3	1
[222]	2436	KECCAK256	69963	42	1
[223]	2437	TIMESTAMP	69921	2	1
[224]	2438	SWAP1	69919	3	1
[225]	2439	SWAP2	69916	3	1
[226]	2440	ADD	69913	3	1
[227]	2441	SWAP1	69910	3	1
[228]	2442	SSTORE	69907	20000	1
[229]	2443	PUSH2	49907	3	1
[230]	2446	JUMP	49904	8	1
[231]	2489	JUMPDEST	49896	1	1
[232]	2490	PUSH2	49895	3	1
[233]	2493	DUP2	49892	3	1
[234]	2494	CALLER	49889	2	1
[235]	2495	PUSH2	49887	3	1
[236]	2498	JUMP	49884	8	1
[237]	5782	JUMPDEST	49876	1	1
[238]	5783	PUSH1	49875	3	1
[239]	5785	DUP1	49872	3	1
[240]	5786	PUSH1	49869	3	1
[241]	5788	DUP1	49866	3	1
[242]	5789	PUSH1	49863	3	1
[243]	5791	DUP7	49860	3	1
[244]	5792	PUSH1	49857	3	1
[245]	5794	EQ	49854	3	1
[246]	5795	DUP1	49851	3	1
[247]	5796	PUSH2	49848	3	1
[248]	5799	JUMPI	49845	10	1
[249]	5800	POP	49835	2	1
[250]	5801	DUP7	49833	3	1
[251]	5802	PUSH1	49830	3	1
[252]	5804	EQ	49827	3	1
[253]	5805	JUMPDEST	49824	1	1
[254]	5806	ISZERO	49823	3	1
[255]	5807	PUSH2	49820	3	1
[256]	5810	JUMPI	49817	10	1
[257]	5860	JUMPDEST	49807	1	1
[258]	5861	DUP7	49806	3	1
[259]	5862	PUSH1	49803	3	1
[260]	5864	EQ	49800	3	1
[261]	5865	DUP1	49797	3	1
[262]	5866	PUSH2	49794	3	1
[263]	5869	JUMPI	49791	10	1
[264]	5875	JUMPDEST	49781	1	1
[265]	5876	ISZERO	49780	3	1
[266]	5877	PUSH2	49777	3	1
[267]	5880	JUMPI	49774	10	1
[268]	5881	PUSH1	49764	3	1
[269]	5883	PUSH1	49761	3	1
[270]	5885	PUSH1	49758	3	1
[271]	5887	SHL	49755	3	1
[272]	5888	SUB	49752	3	1
[273]	5889	DUP1	49749	3	1
[274]	5890	DUP8	49746	3	1
[275]	5891	AND	49743	3	1
[276]	5892	PUSH1	49740	3	1
[277]	5894	SWAP1	49737	3	1
[278]	5895	DUP2	49734	3	1
[279]	5896	MSTORE	49731	3	1
[280]	5897	PUSH1	49728	3	1
[281]	5899	PUSH1	49725	3	1
[282]	5901	DUP2	49722	3	1
[283]	5902	DUP2	49719	3	1
[284]	5903	MSTORE	49716	3	1
[285]	5904	PUSH1	49713	3	1
[286]	5906	DUP1	49710	3	1
[287]	5907	DUP5	49707	3	1
[288]	5908	KECCAK256	49704	42	1
[289]	5909	PUSH1	49662	3	1
[290]	5911	SWAP1	49659	3	1
[291]	5912	DUP2	49656	3	1
[292]	5913	ADD	49653	3	1
[293]	5914	SLOAD	49650	800	1
[294]	5915	DUP6	48850	3	1
[295]	5916	MSTORE	48847	3	1
[296]	5917	PUSH1	48844	3	1
[297]	5919	DUP1	48841	3	1
[298]	5920	DUP5	48838	3	1
[299]	5921	MSTORE	48835	3	1
[300]	5922	DUP3	48832	3	1
[301]	5923	DUP7	48829	3	1
[302]	5924	KECCAK256	48826	42	1
[303]	5925	SLOAD	48784	800	1
[304]	5926	DUP8	47984	3	1
[305]	5927	AND	47981	3	1
[306]	5928	DUP1	47978	3	1
[307]	5929	DUP8	47975	3	1
[308]	5930	MSTORE	47972	3	1
[309]	5931	SWAP5	47969	3	1
[310]	5932	DUP5	47966	3	1
[311]	5933	MSTORE	47963	3	1
[312]	5934	DUP3	47960	3	1
[313]	5935	DUP7	47957	3	1
[314]	5936	KECCAK256	47954	42	1
[315]	5937	SWAP1	47912	3	1
[316]	5938	SWAP2	47909	3	1
[317]	5939	ADD	47906	3	1
[318]	5940	SLOAD	47903	800	1
[319]	5941	DUP6	47103	3	1
[320]	5942	MSTORE	47100	3	1
[321]	5943	SWAP1	47097	3	1
[322]	5944	SWAP2	47094	3	1
[323]	5945	MSTORE	47091	3	1
[324]	5946	SWAP1	47088	3	1
[325]	5947	SWAP2	47085	3	1
[326]	5948	KECCAK256	47082	42	1
[327]	5949	SLOAD	47040	800	1
[328]	5950	SWAP1	46240	3	1
[329]	5951	SWAP2	46237	3	1
[330]	5952	AND	46234	3	1
[331]	5953	SWAP6	46231	3	1
[332]	5954	POP	46228	2	1
[333]	5955	SWAP4	46226	3	1
[334]	5956	POP	46223	2	1
[335]	5957	PUSH2	46221	3	1
[336]	5960	JUMP	46218	8	1
[337]	6408	JUMPDEST	46210	1	1
[338]	6409	PUSH1	46209	3	1
[339]	6411	PUSH1	46206	3	1
[340]	6413	PUSH1	46203	3	1
[341]	6415	SHL	46200	3	1
[342]	6416	SUB	46197	3	1
[343]	6417	DUP6	46194	3	1
[344]	6418	AND	46191	3	1
[345]	6419	PUSH1	46188	3	1
[346]	6421	SWAP1	46185	3	1
[347]	6422	DUP2	46182	3	1
[348]	6423	MSTORE	46179	3	1
[349]	6424	PUSH1	46176	3	1
[350]	6426	PUSH1	46173	3	1
[351]	6428	MSTORE	46170	3	1
[352]	6429	PUSH1	46167	3	1
[353]	6431	SWAP1	46164	3	1
[354]	6432	KECCAK256	46161	42	1
[355]	6433	SLOAD	46119	800	1
[356]	6434	PUSH1	45319	3	1
[357]	6436	AND	45316	3	1
[358]	6437	PUSH2	45313	3	1
[359]	6440	JUMPI	45310	10	1
[360]	6496	JUMPDEST	45300	1	1
[361]	6497	PUSH1	45299	3	1
[362]	6499	PUSH1	45296	3	1
[363]	6501	PUSH1	45293	3	1
[364]	6503	SHL	45290	3	1
[365]	6504	SUB	45287	3	1
[366]	6505	DUP6	45284	3	1
[367]	6506	AND	45281	3	1
[368]	6507	PUSH1	45278	3	1
[369]	6509	SWAP1	45275	3	1
[370]	6510	DUP2	45272	3	1
[371]	6511	MSTORE	45269	3	1
[372]	6512	PUSH1	45266	3	1
[373]	6514	PUSH1	45263	3	1
[374]	6516	SWAP1	45260	3	1
[375]	6517	DUP2	45257	3	1
[376]	6518	MSTORE	45254	3	1
[377]	6519	PUSH1	45251	3	1
[378]	6521	DUP1	45248	3	1
[379]	6522	DUP4	45245	3	1
[380]	6523	KECCAK256	45242	42	1
[381]	6524	DUP11	45200	3	1
[382]	6525	DUP5	45197	3	1
[383]	6526	MSTORE	45194	3	1
[384]	6527	PUSH1	45191	3	1
[385]	6529	ADD	45188	3	1
[386]	6530	SWAP1	45185	3	1
[387]	6531	SWAP2	45182	3	1
[388]	6532	MSTORE	45179	3	1
[389]	6533	DUP2	45176	3	1
[390]	6534	KECCAK256	45173	42	1
[391]	6535	SLOAD	45131	800	1
[392]	6536	TIMESTAMP	44331	2	1
[393]	6537	GT	44329	3	1
[394]	6538	PUSH2	44326	3	1
[395]	6541	JUMPI	44323	10	1
[396]	6542	PUSH1	44313	3	1
[397]	6544	DUP9	44310	3	1
[398]	6545	DUP2	44307	3	1
[399]	6546	MSTORE	44304	3	1
[400]	6547	PUSH1	44301	3	1
[401]	6549	PUSH1	44298	3	1
[402]	6551	MSTORE	44295	3	1
[403]	6552	PUSH1	44292	3	1
[404]	6554	DUP1	44289	3	1
[405]	6555	DUP3	44286	3	1
[406]	6556	KECCAK256	44283	42	1
[407]	6557	SLOAD	44241	800	1
[408]	6558	SWAP1	43441	3	1
[409]	6559	MLOAD	43438	3	1
[410]	6560	PUSH1	43435	3	1
[411]	6562	PUSH1	43432	3	1
[412]	6564	PUSH1	43429	3	1
[413]	6566	SHL	43426	3	1
[414]	6567	SUB	43423	3	1
[415]	6568	DUP10	43420	3	1
[416]	6569	AND	43417	3	1
[417]	6570	SWAP3	43414	3	1
[418]	6571	DUP3	43411	3	1
[419]	6572	ISZERO	43408	3	1
[420]	6573	PUSH2	43405	3	1
[421]	6576	MUL	43402	5	1
[422]	6577	SWAP3	43397	3	1
[423]	6578	SWAP2	43394	3	1
[424]	6579	SWAP1	43391	3	1
[425]	6580	DUP2	43388	3	1
[426]	6581	DUP2	43385	3	1
[427]	6582	DUP2	43382	3	1
[428]	6583	DUP6	43379	3	1
[429]	6584	DUP9	43376	3	1
[430]	6585	DUP9	43373	3	1
[431]	6586	CALL	43370	9700	1
[432]	6587	SWAP4	35970	3	1
[433]	6588	POP	35967	2	1
[434]	6589	POP	35965	2	1
[435]	6590	POP	35963	2	1
[436]	6591	POP	35961	2	1
[437]	6592	SWAP1	35959	3	1
[438]	6593	POP	35956	2	1
[439]	6594	DUP1	35954	3	1
[440]	6595	ISZERO	35951	3	1
[441]	6596	PUSH2	35948	3	1
[442]	6599	JUMPI	35945	10	1
[443]	6600	PUSH1	35935	3	1
[444]	6602	DUP1	35932	3	1
[445]	6603	MLOAD	35929	3	1
[446]	6604	DUP10	35926	3	1
[447]	6605	DUP2	35923	3	1
[448]	6606	MSTORE	35920	9	1
[449]	6607	TIMESTAMP	35911	2	1
[450]	6608	PUSH1	35909	3	1
[451]	6610	DUP3	35906	3	1
[452]	6611	ADD	35903	3	1
[453]	6612	MSTORE	35900	6	1
[454]	6613	DUP2	35894	3	1
[455]	6614	MLOAD	35891	3	1
[456]	6615	CALLER	35888	2	1
[457]	6616	SWAP3	35886	3	1
[458]	6617	PUSH1	35883	3	1
[459]	6619	PUSH1	35880	3	1
[460]	6621	PUSH1	35877	3	1
[461]	6623	SHL	35874	3	1
[462]	6624	SUB	35871	3	1
[463]	6625	DUP11	35868	3	1
[464]	6626	AND	35865	3	1
[465]	6627	SWAP3	35862	3	1
[466]	6628	PUSH32	35859	3	1
[467]	6661	SWAP3	35856	3	1
[468]	6662	SWAP1	35853	3	1
[469]	6663	DUP2	35850	3	1
[470]	6664	SWAP1	35847	3	1
[471]	6665	SUB	35844	3	1
[472]	6666	SWAP1	35841	3	1
[473]	6667	SWAP2	35838	3	1
[474]	6668	ADD	35835	3	1
[475]	6669	SWAP1	35832	3	1
[476]	6670	LOG3	35829	2012	1
[477]	6671	JUMPDEST	33817	1	1
[478]	6672	DUP1	33816	3	1
[479]	6673	PUSH2	33813	3	1
[480]	6676	JUMPI	33810	10	1
[481]	6757	JUMPDEST	33800	1	1
[482]	6758	POP	33799	2	1
[483]	6759	POP	33797	2	1
[484]	6760	POP	33795	2	1
[485]	6761	POP	33793	2	1
[486]	6762	POP	33791	2	1
[487]	6763	POP	33789	2	1
[488]	6764	POP	33787	2	1
[489]	6765	POP	33785	2	1
[490]	6766	JUMP	33783	8	1
[491]	2499	JUMPDEST	33775	1	1
[492]	2500	PUSH1	33774	3	1
[493]	2502	DUP1	33771	3	1
[494]	2503	MLOAD	33768	3	1
[495]	2504	DUP3	33765	3	1
[496]	2505	DUP2	33762	3	1
[497]	2506	MSTORE	33759	3	1
[498]	2507	TIMESTAMP	33756	2	1
[499]	2508	PUSH1	33754	3	1
[500]	2510	DUP3	33751	3	1
[501]	2511	ADD	33748	3	1
[502]	2512	MSTORE	33745	3	1
[503]	2513	DUP2	33742	3	1
[504]	2514	MLOAD	33739	3	1
[505]	2515	CALLER	33736	2	1
[506]	2516	SWAP3	33734	3	1
[507]	2517	PUSH32	33731	3	1
[508]	2550	SWAP3	33728	3	1
[509]	2551	DUP3	33725	3	1
[510]	2552	SWAP1	33722	3	1
[511]	2553	SUB	33719	3	1
[512]	2554	ADD	33716	3	1
[513]	2555	SWAP1	33713	3	1
[514]	2556	LOG2	33710	1637	1
[515]	2557	POP	32073	2	1
[516]	2558	JUMP	32071	8	1
[517]	1283	JUMPDEST	32063	1	1
[518]	1284	STOP	32062	0	1

Tools & Services

Geth VM Trace Transaction