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The server pushes this event when a transaction’s on-chain status changes. It reaches subscribers of tx-status/{hash} (one transaction) or address/{sender} (all transactions from that sender).

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Topic

tx-status/{hash} or address/{sender} via subscribe

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Event fields

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type
string
Value is "txStatus".
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data
object
When delivered via address/{sender}, this event arrives alongside accountDelta events. Use the type field to distinguish them. 
{
  "type": "txStatus",
  "data": {
    "hash": "a1b2c3d4e5f6...",
    "status": "success",
    "reason": null,
    "sender": "erd1spyavw0956vq68xj8y4tenjpq2wd5a9p2c6j8gsz7ztyrnpxrruqzu66jx"
  }
}

{
  "type": "txStatus",
  "data": {
    "hash": "a1b2c3d4e5f6...",
    "status": "fail",
    "reason": "execution failed",
    "sender": "erd1spyavw0956vq68xj8y4tenjpq2wd5a9p2c6j8gsz7ztyrnpxrruqzu66jx"
  }
}