Transaction

What happened, step by step

1. flash-trader-1765338285.testnet to flash-trader-1765338285.testnet

   start_flash_loan_arbitrage()

   Arguments (931 bytes)

   {
     "token": "wrap.testnet",
     "amount": "100000000000000000000000",
     "actions": [
       {
         "pool_id": 53,
         "token_in": "wrap.testnet",
         "token_out": "dbio.fakes.testnet",
         "amount_in": null,
         "min_amount_out": "1"
       },
       {
         "pool_id": 574,
         "token_in": "dbio.fakes.testnet",
         "token_out": "oct.fakes.testnet",
         "amount_in": null,
         "min_amount_out": "1"
       },
       {
         "pool_id": 711,
         "token_in": "oct.fakes.testnet",
         "token_out": "ref.fakes.testnet",
         "amount_in": null,
         "min_amount_out": "1"
       },
       {
         "pool_id": 341,
         "token_in": "ref.fakes.testnet",
         "token_out": "nusdt.ft-fin.testnet",
         "amount_in": null,
         "min_amount_out": "1"
       },
       {
         "pool_id": 1,
         "token_in": "nusdt.ft-fin.testnet",
         "token_out": "nusdc.ft-fin.testnet",
         "amount_in": null,
         "min_amount_out": "1"
       },
       {
         "pool_id": 631,
         "token_in": "nusdc.ft-fin.testnet",
         "token_out": "lnc.factory.tokenhub.testnet",
         "amount_in": null,
         "min_amount_out": "1"
       },
       {
         "pool_id": 395,
         "token_in": "lnc.factory.tokenhub.testnet",
         "token_out": "wrap.testnet",
         "amount_in": null,
         "min_amount_out": "1"
       }
     ],
     "min_profit": "0"
   }

   Logs (1)

   Starting flash loan arbitrage: loan_id=1765494111981865322_6, token=wrap.testnet, amount=100000000000000000000000

2. flash-trader-1765338285.testnet to liquidity-vault-1765338285.testnet

   flash_loan()

   Arguments (1279 bytes)

   {
     "token": "wrap.testnet",
     "amount": "100000000000000000000000",
     "callback_contract": "flash-trader-1765338285.testnet",
     "callback_function": "execute_flash_loan_arbitrage",
     "callback_args": "{\"loan_id\":\"1765494111981865322_6\",\"token\":\"wrap.testnet\",\"amount\":\"100000000000000000000000\",\"actions\":[{\"pool_id\":53,\"token_in\":\"wrap.testnet\",\"amount_in\":null,\"token_out\":\"dbio.fakes.testnet\",\"min_amount_out\":\"1\"},{\"pool_id\":574,\"token_in\":\"dbio.fakes.testnet\",\"amount_in\":null,\"token_out\":\"oct.fakes.testnet\",\"min_amount_out\":\"1\"},{\"pool_id\":711,\"token_in\":\"oct.fakes.testnet\",\"amount_in\":null,\"token_out\":\"ref.fakes.testnet\",\"min_amount_out\":\"1\"},{\"pool_id\":341,\"token_in\":\"ref.fakes.testnet\",\"amount_in\":null,\"token_out\":\"nusdt.ft-fin.testnet\",\"min_amount_out\":\"1\"},{\"pool_id\":1,\"token_in\":\"nusdt.ft-fin.testnet\",\"amount_in\":null,\"token_out\":\"nusdc.ft-fin.testnet\",\"min_amount_out\":\"1\"},{\"pool_id\":631,\"token_in\":\"nusdc.ft-fin.testnet\",\"amount_in\":null,\"token_out\":\"lnc.factory.tokenhub.testnet\",\"min_amount_out\":\"1\"},{\"pool_id\":395,\"token_in\":\"lnc.factory.tokenhub.testnet\",\"amount_in\":null,\"token_out\":\"wrap.testnet\",\"min_amount_out\":\"1\"}],\"min_profit\":\"0\"}"
   }

   Logs (1)

   Flash loan requested: loan_id=1765494112637796460_57, token=wrap.testnet, amount=100000000000000000000000, fee=90000000000000000000, borrower=flash-trader-1765338285.testnet

3. liquidity-vault-1765338285.testnet to wrap.testnet

   ft_transfer() with 1 yoctoNEAR

   Arguments (128 bytes)

   {
     "receiver_id": "flash-trader-1765338285.testnet",
     "amount": "100000000000000000000000",
     "memo": "flash_loan:1765494112637796460_57"
   }

   Logs (2)

   Transfer 100000000000000000000000 from liquidity-vault-1765338285.testnet to flash-trader-1765338285.testnet
   Memo: flash_loan:1765494112637796460_57

4. liquidity-vault-1765338285.testnet to flash-trader-1765338285.testnet · failed

   execute_flash_loan_arbitrage()

   Arguments (966 bytes)

   {
     "loan_id": "1765494112637796460_57",
     "token": "wrap.testnet",
     "amount": "100000000000000000000000",
     "actions": [
       {
         "pool_id": 53,
         "token_in": "wrap.testnet",
         "amount_in": null,
         "token_out": "dbio.fakes.testnet",
         "min_amount_out": "1"
       },
       {
         "pool_id": 574,
         "token_in": "dbio.fakes.testnet",
         "amount_in": null,
         "token_out": "oct.fakes.testnet",
         "min_amount_out": "1"
       },
       {
         "pool_id": 711,
         "token_in": "oct.fakes.testnet",
         "amount_in": null,
         "token_out": "ref.fakes.testnet",
         "min_amount_out": "1"
       },
       {
         "pool_id": 341,
         "token_in": "ref.fakes.testnet",
         "amount_in": null,
         "token_out": "nusdt.ft-fin.testnet",
         "min_amount_out": "1"
       },
       {
         "pool_id": 1,
         "token_in": "nusdt.ft-fin.testnet",
         "amount_in": null,
         "token_out": "nusdc.ft-fin.testnet",
         "min_amount_out": "1"
       },
       {
         "pool_id": 631,
         "token_in": "nusdc.ft-fin.testnet",
         "amount_in": null,
         "token_out": "lnc.factory.tokenhub.testnet",
         "min_amount_out": "1"
       },
       {
         "pool_id": 395,
         "token_in": "lnc.factory.tokenhub.testnet",
         "amount_in": null,
         "token_out": "wrap.testnet",
         "min_amount_out": "1"
       }
     ],
     "min_profit": "0"
   }

   Exceeded the prepaid gas.

   Logs (2)

   Executing flash loan arbitrage: loan_id=1765494112637796460_57, token=wrap.testnet, amount=100000000000000000000000
   Swap actions already include reverse swap: final token matches loan token

5. liquidity-vault-1765338285.testnet to liquidity-vault-1765338285.testnet · failed

   verify_repayment()

   Arguments (36 bytes)

   {
     "loan_id": "1765494112637796460_57"
   }

   Smart contract panicked: panicked at src/lib.rs:290:9: Repayment not completed! Required: 100090000000000000000000, Received: 0. Transaction will revert.

   Logs (1)

   Verifying repayment: loan_id=1765494112637796460_57, token=wrap.testnet, required=100090000000000000000000, current_balance=1334887914463211666303942179

5 automatic refund steps from the network not shown.

Check this yourself

This page reads FastNEAR's public transaction index and stores nothing. This command asks a NEAR archival node for the same transaction and needs no keys.

curl -s https://archival-rpc.testnet.fastnear.com -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"tx","params":{"tx_hash":"7fTKRbah21eCuBBVZpeKnG8nMoCsoePec76VQYD8vApU","sender_account_id":"flash-trader-1765338285.testnet","wait_until":"FINAL"}}'

Vouch has its own page because testnet.nearblocks.io stopped indexing on 27 Sep 2026, so it can't show newer transactions.