Transaction view

Block: 22097795
Block index: 22
Timestamp: Fri, 21 Mar 2025 20:59:35 +0000
Transaction type: 2
Effective gas price: 0.881918618 gwei
Max fee per gas: 1.056004973 gwei
Max priority fee per gas: 0.500000000 gwei
Gas limit: 418323
View on: Etherscan - Bloxy - Blockchair - EthDecoder - Tenderly
Dict: {'from': '0xd7d6211119679f1fbd08fac363fd690088578275', 'to': '0x0000000000000068f116a894984e2db1123eb395', 'input': '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', 'gas': '0x66213', 'value': '0x0', 'maxFeePerGas': '0x3ef15b6d', 'maxPriorityFeePerGas': '0x1dcd6500'}

State changes

0x0000…b395 (Seaport)	Before	After	Diff
sha3(0xea20bc3f1ceaef808e497e33dbc74d311aee76139be0a4e0c93a0d95efcffaef, 1)	0	`0x10000000000000000000000000000010001`	`0x10000000000000000000000000000010001`
sha3(0xdf71dafdd811052eafd8b7c945077a38febeeb86d92123b89b6619b093f63808, 1)	0	`0x20000000000000000000000000000010001`	`0x20000000000000000000000000000010001`

0x4838…5f97 (EOA)	Before	After	Diff
balance	53.224192 eth	53.224346 eth	0.000155 eth

0x8377…5da6 (Evaverse)	Before	After	Diff
sha3(0xd60, 6)	`0xd7d6211119679f1fbd08fac363fd690088578275`	`0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5`	`-0x4569d004cf82ea4618a6ade4b70c764ff07fbfb0`
owner[sha3(0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5, 10)]	0x0000…0000 (EOA)	0x0000…0d60 (EOA)	?
sha3(0xd60, 11)	113	0	-113
sha3(113, sha3(0xd7d6211119679f1fbd08fac363fd690088578275, 10))	3424	6938	3514
sha3(0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5, 7)	0	1	1
sha3(115, sha3(0xd7d6211119679f1fbd08fac363fd690088578275, 10))	6938	0	-6938
sha3(0xd7d6211119679f1fbd08fac363fd690088578275, 7)	116	115	-1
sha3(0x1b1a, 11)	115	113	-2

0xc02a…6cc2 (WETH9, https://weth.io/, Token Contract, WrappedEther, 0x Ecosystem, Wrapped Ether (WETH), Stablecoin)	Before	After	Diff
balanceOf[0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5]	0.0124 × 10¹⁸	0.0094 × 10¹⁸	-0.003 × 10¹⁸
balanceOf[0xa26b00c1f0df003000390027140000faa719]	23.06042689377365 × 10¹⁸	23.060441893773646 × 10¹⁸	`0xda475abf000`
balanceOf[0xd7d6211119679f1fbd08fac363fd690088578275]	0.0029295 × 10¹⁸	0.0057645 × 10¹⁸	0.002835 × 10¹⁸
balanceOf[0x51f68c78081865f4bf9e1915ea756ae5a0cba1ab]	`0x8d03881f00b4`	`0x1157020d660b4`	`0x886c98b76000`

0xd7d6…8275 (EOA)	Before	After	Diff
balance	0.002620 eth	0.002348 eth	-0.000273 eth
nonce	967	968

Call tree

From 0xd7d6…8275 (EOA)
Call to 0x0000…b395 (Seaport)

matchAdvancedOrders

((('0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', '0x000056f7000000ece9003ca63978907a00ffd100', ((1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 6000000000000000, 6000000000000000),), ((4, '0x837704ec8dfec198789baf061d6e93b0e1555da6', 0, 2, 2, '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5'), (1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 30000000000000, 30000000000000, '0x0000a26b00c1f0df003000390027140000faa719')), 3, 1742574198, 1742660598, b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', 21011, b'\x00\x00\x00{\x02#\x00\x91\xa7\xed\x01#\x00r\xf7\x00j\x00M`\xa8\xd4\xe7\x1dY\x9b\x81\x04%\x0f\x00\x00', 2), 1, 2, b'\xdf\xf0\xad\xea\xe1\xf1\xf6\xfe\x04MB\x02\x94\xa0\xd1_\xf2/\xd9g\x1b\x00cg&\xf7\xab\x93\xef\xe6fH\xbdr\x01\x14\x00\xe3\x96r\xbbVh\xba\xbf\x85\x9f\xb8\xdb\x92\xd6\xea\xceD\xcb\xeaq0\xf9\xe76]\x99D', b"\x00\xd7\xd6!\x11\x19g\x9f\x1f\xbd\x08\xfa\xc3c\xfdi\x00\x88W\x82u\x00\x00\x00\x00g\xdd\xd4=\xfaL\xae\xbc\xf2\x9d\x0f(\x87\x18^\xf3b'\x98\xa9\x9c\x98\xadk\x1c\xce\xb0/\xfdA\x93\xf0Q\xce<\xc2\xd6\xf9\x8a'\xb0\xaeL7\x1b5/\x8a\xa5\xbbc[r\xeeC\xe8;\x90\xcf#\xa7?\xff\x043\xa3E\x92\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\r`"), (('0xd7d6211119679f1fbd08fac363fd690088578275', '0x0000000000000000000000000000000000000000', ((2, '0x837704ec8dfec198789baf061d6e93b0e1555da6', 3424, 1, 1),), ((1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 150000000000000, 150000000000000, '0x51f68c78081865f4bf9e1915ea756ae5a0cba1ab'), (1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 2835000000000000, 2835000000000000, '0xd7d6211119679f1fbd08fac363fd690088578275')), 1, 1742574198, 1742660598, b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', 24446860302761739304752683030156737591518664810215442929802640459241516402892, b'\x00\x00\x00{\x02#\x00\x91\xa7\xed\x01#\x00r\xf7\x00j\x00M`\xa8\xd4\xe7\x1dY\x9b\x81\x04%\x0f\x00\x00', 2), 1, 1, b'', b''))

((0, 1, 0, 3424, ()),)

((((1, 0),), ((0, 0),)), (((0, 0),), ((0, 1),)), (((0, 0),), ((1, 0),)), (((0, 0),), ((1, 1),)))

recipient
0xd7d6…8275 (EOA)

Output:

(((2, '0x837704ec8dfec198789baf061d6e93b0e1555da6', 3424, 1, '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5'), '0xd7d6211119679f1fbd08fac363fd690088578275', b'\x00\x00\x00{\x02#\x00\x91\xa7\xed\x01#\x00r\xf7\x00j\x00M`\xa8\xd4\xe7\x1dY\x9b\x81\x04%\x0f\x00\x00'), ((1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 15000000000000, '0x0000a26b00c1f0df003000390027140000faa719'), '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', b'\x00\x00\x00{\x02#\x00\x91\xa7\xed\x01#\x00r\xf7\x00j\x00M`\xa8\xd4\xe7\x1dY\x9b\x81\x04%\x0f\x00\x00'), ((1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 150000000000000, '0x51f68c78081865f4bf9e1915ea756ae5a0cba1ab'), '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', b'\x00\x00\x00{\x02#\x00\x91\xa7\xed\x01#\x00r\xf7\x00j\x00M`\xa8\xd4\xe7\x1dY\x9b\x81\x04%\x0f\x00\x00'), ((1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 2835000000000000, '0xd7d6211119679f1fbd08fac363fd690088578275'), '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', b'\x00\x00\x00{\x02#\x00\x91\xa7\xed\x01#\x00r\xf7\x00j\x00M`\xa8\xd4\xe7\x1dY\x9b\x81\x04%\x0f\x00\x00'))
- Call to 0x0000…d100 (SignedZone)
  
  authorizeOrder
  
  zoneParameters
  (b'\xdfq\xda\xfd\xd8\x11\x05.\xaf\xd8\xb7\xc9E\x07z8\xfe\xbe\xeb\x86\xd9!#\xb8\x9bf\x19\xb0\x93\xf68\x08', '0xd7d6211119679f1fbd08fac363fd690088578275', '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', ((1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 3000000000000000),), ((2, '0x837704ec8dfec198789baf061d6e93b0e1555da6', 3424, 1, '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5'), (1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 15000000000000, '0x0000a26b00c1f0df003000390027140000faa719')), b"\x00\xd7\xd6!\x11\x19g\x9f\x1f\xbd\x08\xfa\xc3c\xfdi\x00\x88W\x82u\x00\x00\x00\x00g\xdd\xd4=\xfaL\xae\xbc\xf2\x9d\x0f(\x87\x18^\xf3b'\x98\xa9\x9c\x98\xadk\x1c\xce\xb0/\xfdA\x93\xf0Q\xce<\xc2\xd6\xf9\x8a'\xb0\xaeL7\x1b5/\x8a\xa5\xbbc[r\xeeC\xe8;\x90\xcf#\xa7?\xff\x043\xa3E\x92\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\r`", (), 1742574198, 1742660598, b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
  
  Output:
  
  authorizedOrderMagicValue
  b'\x01\xe4\xd7*'
- Call to 0x1e00…3c71 (Conduit)
  
  execute
  
  transfers
  ((2, '0x837704ec8dfec198789baf061d6e93b0e1555da6', '0xd7d6211119679f1fbd08fac363fd690088578275', '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', 3424, 1), (1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', '0x0000a26b00c1f0df003000390027140000faa719', 0, 15000000000000), (1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', '0x51f68c78081865f4bf9e1915ea756ae5a0cba1ab', 0, 150000000000000), (1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', '0xd7d6211119679f1fbd08fac363fd690088578275', 0, 2835000000000000))
  
  Output:
  
  magicValue
  b'L\xe3J\xa2'
  - Call to 0x8377…5da6 (Evaverse)
    
    transferFrom
    
    sender
    0xd7d6…8275 (EOA)
    
    recipient
    0x926c…c2c5 (EOA)
    
    amount
    3424
    - Delegatecall to 0x37be…0d17 (EvaverseNFTv2)
      
      transferFrom
      
      sender
      0xd7d6…8275 (EOA)
      
      recipient
      0x926c…c2c5 (EOA)
      
      amount
      3424
  - Call to 0xc02a…6cc2 (WETH9, https://weth.io/, Token Contract, WrappedEther, 0x Ecosystem, Wrapped Ether (WETH), Stablecoin)
    
    transferFrom
    
    sender
    0x926c…c2c5 (EOA)
    
    recipient
    0x0000…a719 (PayableProxy)
    
    amount
    0xda475abf000
    
    Output:
    
    True
  - Call to 0xc02a…6cc2 (WETH9, https://weth.io/, Token Contract, WrappedEther, 0x Ecosystem, Wrapped Ether (WETH), Stablecoin)
    
    transferFrom
    
    sender
    0x926c…c2c5 (EOA)
    
    recipient
    0x51f6…a1ab (EOA)
    
    amount
    0x886c98b76000
    
    Output:
    
    True
  - Call to 0xc02a…6cc2 (WETH9, https://weth.io/, Token Contract, WrappedEther, 0x Ecosystem, Wrapped Ether (WETH), Stablecoin)
    
    transferFrom
    
    sender
    0x926c…c2c5 (EOA)
    
    recipient
    0xd7d6…8275 (EOA)
    
    amount
    0.002835 × 10¹⁸
    
    Output:
    
    True
- Call to 0x0000…d100 (SignedZone)
  
  validateOrder
  
  zoneParameters
  (b'\xdfq\xda\xfd\xd8\x11\x05.\xaf\xd8\xb7\xc9E\x07z8\xfe\xbe\xeb\x86\xd9!#\xb8\x9bf\x19\xb0\x93\xf68\x08', '0xd7d6211119679f1fbd08fac363fd690088578275', '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5', ((1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 3000000000000000),), ((2, '0x837704ec8dfec198789baf061d6e93b0e1555da6', 3424, 1, '0x926c510c49e4b4d9a4624cdeacf0f2b097d7c2c5'), (1, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', 0, 15000000000000, '0x0000a26b00c1f0df003000390027140000faa719')), b"\x00\xd7\xd6!\x11\x19g\x9f\x1f\xbd\x08\xfa\xc3c\xfdi\x00\x88W\x82u\x00\x00\x00\x00g\xdd\xd4=\xfaL\xae\xbc\xf2\x9d\x0f(\x87\x18^\xf3b'\x98\xa9\x9c\x98\xadk\x1c\xce\xb0/\xfdA\x93\xf0Q\xce<\xc2\xd6\xf9\x8a'\xb0\xaeL7\x1b5/\x8a\xa5\xbbc[r\xeeC\xe8;\x90\xcf#\xa7?\xff\x043\xa3E\x92\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\r`", (b'\xdfq\xda\xfd\xd8\x11\x05.\xaf\xd8\xb7\xc9E\x07z8\xfe\xbe\xeb\x86\xd9!#\xb8\x9bf\x19\xb0\x93\xf68\x08', b'\xea \xbc?\x1c\xea\xef\x80\x8eI~3\xdb\xc7M1\x1a\xeev\x13\x9b\xe0\xa4\xe0\xc9:\r\x95\xef\xcf\xfa\xef'), 1742574198, 1742660598, b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
  
  Output:
  
  validOrderMagicValue
  b'\x17\xb1\xf9B'