Transaction view

Block: 22019186
Block index: 179
Timestamp: Mon, 10 Mar 2025 21:34:47 +0000
Transaction type: 2
Effective gas price: 3.139611206 gwei
Max fee per gas: 3.400000000 gwei
Max priority fee per gas: 0.858734025 gwei
Gas limit: 485076
View on: Etherscan - Bloxy - Blockchair - EthDecoder - Tenderly
Dict: {'from': '0x75069fe216759ad511fe621e482ed72d7d0a06dc', 'to': '0xac85ef29192487e0a109b7f9e40c267a9ea95f2e', 'input': '0xd8780161000000000000000000000000000000000000000000000001158e460913d00000000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb480000000000000000000000000000000000000000000000000000000000000001', 'gas': '0x766d4', 'value': '0x0', 'maxFeePerGas': '0xcaa7e200', 'maxPriorityFeePerGas': '0x332f3dc9'}

State changes

0x60a7…7c37	Before	After	Diff
unknown0fa4f504	1.0 × 10¹⁸	20.0 × 10¹⁸	19.0 × 10¹⁸
unknowna2177124	`0x67cda94c`	`0x67cefacc`	86400
unknowna7ce4565	2	3	1

0x66a1…e110 (TransparentUpgradeableProxy)	Before	After	Diff
0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace02	550438540.5515333 × 10¹⁸	550438520.5515333 × 10¹⁸	-20.0 × 10¹⁸
sha3(0x75069fe216759ad511fe621e482ed72d7d0a06dc, 0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00)	78.976747 × 10¹⁸	58.976747 × 10¹⁸	-20.0 × 10¹⁸
sha3(0x3891552bd91c77685c3985dedc91dbb8370fa82512ae7d2269e75b18d1d1d0fa, 1)	0	1	1

0x7506…06dc (EOA)	Before	After	Diff
balance	0.139044 eth	0.138159 eth	-0.000886 eth
nonce	971	972

0x9522…afe5 (EOA)	Before	After	Diff
balance	15.316844 eth	15.317086 eth	0.000242 eth

0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)	Before	After	Diff
sha3(0x75069fe216759ad511fe621e482ed72d7d0a06dc, 9)	113.335442 × 10⁶	133.329264 × 10⁶	19.993822 × 10⁶
sha3(0xacb7027f271b03b502d65feba617a0d817d62b8e, 9)	8604163.131504 × 10⁶	8604143.137682 × 10⁶	-19.993822 × 10⁶

0xacb7…2b8e (TransparentUpgradeableProxy)	Before	After	Diff
sha3(0x3891552bd91c77685c3985dedc91dbb8370fa82512ae7d2269e75b18d1d1d0fa, sha3(9, 6))	0	1	1

Call tree

From 0x7506…06dc (EOA)
Call to 0xac85…5f2e (UsrExternalRequestsManager)

redeem

amount
20.0 × 10¹⁸

receiverAddress
0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)

fee
1
- Staticcall to 0x5943…1255 (AddressesWhitelist)
  
  isAllowedAccount
  
  _account
  0x7506…06dc (EOA)
  
  Output:
  
  isAllowed
  True
- Call to 0x66a1…e110 (TransparentUpgradeableProxy)
  
  transferFrom
  
  sender
  0x7506…06dc (EOA)
  
  recipient
  0xac85…5f2e (UsrExternalRequestsManager)
  
  amount
  20.0 × 10¹⁸
  
  Output:
  
  True
  - Delegatecall to 0xef4c…fabe (SimpleToken)
    
    transferFrom
    
    sender
    0x7506…06dc (EOA)
    
    recipient
    0xac85…5f2e (UsrExternalRequestsManager)
    
    amount
    20.0 × 10¹⁸
    
    Output:
    
    True
- Call to 0x60a7…7c37
  
  redeem
  
  shares
  20.0 × 10¹⁸
  
  receiver
  0x7506…06dc (EOA)
  
  owner
  0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
  
  Output:
  
  0x13114de
  - Call to 0x66a1…e110 (TransparentUpgradeableProxy)
    
    burn
    
    idempotencyKey
    0x3891552bd91c77685c3985dedc91dbb8370fa82512ae7d2269e75b18d1d1d0fa
    
    account
    0xac85…5f2e (UsrExternalRequestsManager)
    
    amount
    20.0 × 10¹⁸
    - Delegatecall to 0xef4c…fabe (SimpleToken)
      
      burn
      
      idempotencyKey
      0x3891552bd91c77685c3985dedc91dbb8370fa82512ae7d2269e75b18d1d1d0fa
      
      account
      0xac85…5f2e (UsrExternalRequestsManager)
      
      amount
      20.0 × 10¹⁸
  - Staticcall to 0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
    
    decimals
    
    Output:
    
    6
    - Delegatecall to 0x4350…02dd (FiatTokenV2_2)
      
      decimals
      
      Output:
      
      6
  - Staticcall to 0xd9a4…6f81
    
    getLatestRoundData
    
    token
    0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
    
    Output:
    
    36.893488147419106 × 10¹⁸
    
    0x5f5964f
    - Staticcall to 0x47fb…eedf (FeedRegistry)
      
      latestRoundData
      
      base
      0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
      
      quote
      0x0000…0348 (EOA)
      
      Output:
      
      roundId
      36.893488147419106 × 10¹⁸
      
      answer
      0x5f5964f
      
      startedAt
      0x67ce9c1e
      
      updatedAt
      0x67ce9c2f
      
      answeredInRound
      36.893488147419106 × 10¹⁸
      - Staticcall to 0xc9e1…e9d7
        
        latestRoundData
        
        Output:
        
        roundId
        257
        
        answer
        0.99980879 × 10⁸
        
        startedAt
        17.4159363 × 10⁸
        
        updatedAt
        17.41593647 × 10⁸
        
        answeredInRound
        257
  - Staticcall to 0xd9a4…6f81
    
    unknowncefe0f21
    
    _param1
    0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
    
    Raw output: 0x0000000000000000000000000000000000000000000000000000000000000008
    - Staticcall to 0x47fb…eedf (FeedRegistry)
      
      decimals
      
      base
      0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
      
      quote
      0x0000…0348 (EOA)
      
      Output:
      
      8
      - Staticcall to 0xc9e1…e9d7
        
        decimals
        
        Output:
        
        8
  - Staticcall to 0x7f45…261c
    
    lastPrice
    
    Output:
    
    1.0 × 10¹⁸
    - Delegatecall to 0xc16b…785d (UsrPriceStorage)
      
      lastPrice
      
      Output:
      
      price
      1.0 × 10¹⁸
      
      usrSupply
      559547103.3432871 × 10¹⁸
      
      reserves
      662195626.7370377 × 10¹⁸
      
      timestamp
      0x67ced6a3
  - Staticcall to 0x7f45…261c
    
    PRICE_SCALING_FACTOR
    
    Output:
    
    1.0 × 10¹⁸
    - Delegatecall to 0xc16b…785d (UsrPriceStorage)
      
      PRICE_SCALING_FACTOR
      
      Output:
      
      1.0 × 10¹⁸
  - Staticcall to 0x7f45…261c
    
    PRICE_SCALING_FACTOR
    
    Output:
    
    1.0 × 10¹⁸
    - Delegatecall to 0xc16b…785d (UsrPriceStorage)
      
      PRICE_SCALING_FACTOR
      
      Output:
      
      1.0 × 10¹⁸
  - Staticcall to 0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
    
    balanceOf
    
    account
    0xacb7…2b8e (TransparentUpgradeableProxy)
    
    Output:
    
    8604163.131504 × 10⁶
    - Delegatecall to 0x4350…02dd (FiatTokenV2_2)
      
      balanceOf
      
      account
      0xacb7…2b8e (TransparentUpgradeableProxy)
      
      Output:
      
      0x7d350164870
  - Call to 0xacb7…2b8e (TransparentUpgradeableProxy)
    
    unknowne31d54f6
    
    _param1
    0x3891552bd91c77685c3985dedc91dbb8370fa82512ae7d2269e75b18d1d1d0fa
    
    _param2
    0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48
    
    _param3
    0x60a7b7915980ed34fde6e239618fadcf67897c37
    
    _param4
    0x13114de
    - Delegatecall to 0xc657…8691
      
      unknowne31d54f6
      
      _param1
      0x3891552bd91c77685c3985dedc91dbb8370fa82512ae7d2269e75b18d1d1d0fa
      
      _param2
      0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48
      
      _param3
      0x60a7b7915980ed34fde6e239618fadcf67897c37
      
      _param4
      0x13114de
      - Staticcall to 0x2d00…0f77
        
        isAllowedAccount
        
        _account
        0x60a7…7c37
        
        Output:
        
        isAllowed
        True
      - Staticcall to 0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
        
        allowance
        
        owner
        0xacb7…2b8e (TransparentUpgradeableProxy)
        
        spender
        0x60a7…7c37
        
        Output:
        
        0
        
        Delegatecall to 0x4350…02dd (FiatTokenV2_2)
        
        allowance
        
        owner
        0xacb7…2b8e (TransparentUpgradeableProxy)
        
        spender
        0x60a7…7c37
        
        Output:
        
        0
      - Call to 0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
        
        approve
        
        spender
        0x60a7…7c37
        
        amount
        19.993822 × 10⁶
        
        Output:
        
        True
        
        Delegatecall to 0x4350…02dd (FiatTokenV2_2)
        
        approve
        
        spender
        0x60a7…7c37
        
        amount
        0x13114de
        
        Output:
        
        True
  - Call to 0xa0b8…eb48 (Stablecoin, https://www.centre.io/, Token Contract, USD Coin (USDC), FiatTokenProxy)
    
    transferFrom
    
    sender
    0xacb7…2b8e (TransparentUpgradeableProxy)
    
    recipient
    0x7506…06dc (EOA)
    
    amount
    19.993822 × 10⁶
    
    Output:
    
    True
    - Delegatecall to 0x4350…02dd (FiatTokenV2_2)
      
      transferFrom
      
      sender
      0xacb7…2b8e (TransparentUpgradeableProxy)
      
      recipient
      0x7506…06dc (EOA)
      
      amount
      0x13114de
      
      Output:
      
      True