Transaction

What happened, step by step

1. atomik-bot-1.testnet to atomik-pool-1.testnet

   execute_arbitrage()

   Arguments (537 bytes)

   {
     "actions": [
       {
         "amount_in": null,
         "min_amount_out": "1",
         "pool_id": 36,
         "token_in": "wrap.testnet",
         "token_out": "pulse.fakes.testnet"
       },
       {
         "amount_in": null,
         "min_amount_out": "1",
         "pool_id": 276,
         "token_in": "pulse.fakes.testnet",
         "token_out": "aurora.fakes.testnet"
       },
       {
         "amount_in": null,
         "min_amount_out": "1",
         "pool_id": 1817,
         "token_in": "aurora.fakes.testnet",
         "token_out": "aurora"
       },
       {
         "amount_in": null,
         "min_amount_out": "1",
         "pool_id": 1664,
         "token_in": "aurora",
         "token_out": "wrap.testnet"
       }
     ],
     "amount": "4037573371388594738499741",
     "min_profit": "0",
     "token": "wrap.testnet"
   }

   Logs (2)

   Arbitrage started: arb_id=arb_1765649085639941127_174, token=wrap.testnet, amount=4037573371388594738499741, fee=3633816034249735264649, min_profit=0, caller=atomik-bot-1.testnet
   Last swap min_amount_out set to 4041207187422844473764390 for atomicity guarantee

2. atomik-pool-1.testnet to wrap.testnet

   ft_transfer_call() with 1 yoctoNEAR

   Arguments (705 bytes)

   {
     "receiver_id": "ref-finance-101.testnet",
     "amount": "4037573371388594738499741",
     "memo": "arbitrage:arb_1765649085639941127_174",
     "msg": "{\"actions\":[{\"pool_id\":36,\"token_in\":\"wrap.testnet\",\"token_out\":\"pulse.fakes.testnet\",\"amount_in\":null,\"min_amount_out\":\"1\"},{\"pool_id\":276,\"token_in\":\"pulse.fakes.testnet\",\"token_out\":\"aurora.fakes.testnet\",\"amount_in\":null,\"min_amount_out\":\"1\"},{\"pool_id\":1817,\"token_in\":\"aurora.fakes.testnet\",\"token_out\":\"aurora\",\"amount_in\":null,\"min_amount_out\":\"1\"},{\"pool_id\":1664,\"token_in\":\"aurora\",\"token_out\":\"wrap.testnet\",\"amount_in\":null,\"min_amount_out\":\"4041207187422844473764390\"}],\"referral_id\":null}"
   }

   Logs (2)

   Transfer 4037573371388594738499741 from atomik-pool-1.testnet to ref-finance-101.testnet
   Memo: arbitrage:arb_1765649085639941127_174

3. wrap.testnet to ref-finance-101.testnet · failed

   ft_on_transfer()

   Arguments (654 bytes)

   {
     "sender_id": "atomik-pool-1.testnet",
     "amount": "4037573371388594738499741",
     "msg": "{\"actions\":[{\"pool_id\":36,\"token_in\":\"wrap.testnet\",\"token_out\":\"pulse.fakes.testnet\",\"amount_in\":null,\"min_amount_out\":\"1\"},{\"pool_id\":276,\"token_in\":\"pulse.fakes.testnet\",\"token_out\":\"aurora.fakes.testnet\",\"amount_in\":null,\"min_amount_out\":\"1\"},{\"pool_id\":1817,\"token_in\":\"aurora.fakes.testnet\",\"token_out\":\"aurora\",\"amount_in\":null,\"min_amount_out\":\"1\"},{\"pool_id\":1664,\"token_in\":\"aurora\",\"token_out\":\"wrap.testnet\",\"amount_in\":null,\"min_amount_out\":\"4041207187422844473764390\"}],\"referral_id\":null}"
   }

   Smart contract panicked: panicked at 'E68: slippage error', ref-exchange/src/simple_pool.rs:313:9

   Logs (6)

   Swapped 4037573371388594738499741 wrap.testnet for 1980498064533199478 pulse.fakes.testnet
   Exchange ref-finance-101.testnet got 109993380580977818013 shares, No referral fee
   Swapped 1980498064533199478 pulse.fakes.testnet for 12959788103333440562 aurora.fakes.testnet
   Exchange ref-finance-101.testnet got 10192453712690788357 shares, No referral fee
   Swapped 12959788103333440562 aurora.fakes.testnet for 10521992211 aurora
   Exchange ref-finance-101.testnet got 26597782674962656 shares, No referral fee

4. wrap.testnet to wrap.testnet

   ft_resolve_transfer()

   Arguments (114 bytes)

   {
     "sender_id": "atomik-pool-1.testnet",
     "receiver_id": "ref-finance-101.testnet",
     "amount": "4037573371388594738499741"
   }

   Logs (1)

   Refund 4037573371388594738499741 from ref-finance-101.testnet to atomik-pool-1.testnet

5. atomik-pool-1.testnet to atomik-pool-1.testnet

   on_arbitrage_swap_complete()

   Arguments (40 bytes)

   {
     "arb_id": "arb_1765649085639941127_174"
   }

   Logs (1)

   Swap completed successfully. Returned: 0

6. atomik-pool-1.testnet to wrap.testnet

   ft_balance_of()

   Arguments (38 bytes)

   {
     "account_id": "atomik-pool-1.testnet"
   }

7. atomik-pool-1.testnet to atomik-pool-1.testnet · failed

   distribute_profit()

   Arguments (40 bytes)

   {
     "arb_id": "arb_1765649085639941127_174"
   }

   Smart contract panicked: panicked at src/lib.rs:1194:9: Atomicity Violated! Swap output 4037573371388594738499741 < Required 4041207187422844473764390

7 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":"FNkbv9o3XRDP8cw2FnANMKk63NZ2fSCy73EKJVFgbgSX","sender_account_id":"atomik-bot-1.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.