[QA] tBTC transfer from Optimism to Arbitrum failed with "ERC20: insufficient allowance" error

[tsadovska]

Describe the current behavior in detail

Issue occured on https://deploy-preview-3364--wormhole-connect-mainnet.netlify.app/ only once.

Steps:

1. Prepare to send 0.000014 tBTC from Optimism (MetaMask) to Arbitrum (MetaMask)
2. Click on "Confirm transaction" button

Actual result: Transaction failed.

Wormhole Connect: error completing transfer Error: execution reverted: "ERC20: insufficient allowance" (action="estimateGas", data="0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001d45524332303a20696e73756666696369656e7420616c6c6f77616e6365000000", reason="ERC20: insufficient allowance", transaction={ "data": "0xf69785f300000000000000000000000000000000000000000000000000000cbba106e00000000000000000000000000000000000000000000000000000000000000000170000000000000000000000009631288f4050f7cfbf77b77f8540decf6cfc701200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "from": "0x9631288F4050F7CFbf77B77f8540DeCF6cfC7012", "to": "0x1293a54e160D1cd7075487898d65266081A15458" }, invocation=null, revert={ "args": [ "ERC20: insufficient allowance" ], "name": "Error", "signature": "Error(string)" }, code=CALL_EXCEPTION, version=6.13.5)
    at makeError (main-BmzcZ_vl.js:266:33243)
    at getBuiltinCallException (main-BmzcZ_vl.js:267:104085)
    at Ts.getBuiltinCallException (main-BmzcZ_vl.js:267:105006)
    at pc.getRpcError (main-BmzcZ_vl.js:267:204777)
    at pc.getRpcError (evm-CT35mP8a.js:2:1689)
    at main-BmzcZ_vl.js:267:208582

Expected result: Transaction was successfully started.

Notes/ Attachments

Transaction on Optimism Explorer.