UNIQUE constraint failed: tx_locator_map.block_height, tx_locator_map.tx_index")

[pacu]

Describe the issue

Please provide a general summary of the issue you're experiencing

When running a testPaymentToValidURIFulfillmentSucceeds test this happens:

testPaymentToValidURIFulfillmentSucceeds(): failed - Failed with error: rustScanBlocks("Error while scanning blocks: The underlying datasource produced the following error: UNIQUE constraint failed: tx_locator_map.block_height, tx_locator_map.tx_index")

Can you reliably reproduce the issue?

sometimes

If so, please list the steps to reproduce below:

1. run this branch pacu:feature/uri-initiated-payments
2. launch darksidewalletd
3. run testPaymentToValidURIFulfillmentSucceeds

Expected behaviour

Test should pass

Actual behaviour + errors

testPaymentToValidURIFulfillmentSucceeds(): failed - Failed with error: rustScanBlocks("Error while scanning blocks: The underlying datasource produced the following error: UNIQUE constraint failed: tx_locator_map.block_height, tx_locator_map.tx_index")