Preview v2

Preview Transaction V2

post

Previews a transaction against the latest network state, and returns the preview receipt. If the node has enabled it, you may be able to also preview against recent network state.

This endpoint supports V2 transactions (and beyond). If you still need to preview V1 transactions, you should use the /preview endpoint instead.

This endpoint is effectively a proxy towards the Core API /transaction/preview-v2 endpoint. See the Core API documentation for more details.

Body

Responses

200

Successful Preview

application/json

4XX

Client-originated request error

application/json

post

HTTPcURLJavaScriptPython

POST /transaction/preview-v2 HTTP/1.1
Host: xrd-gateway.nownodes.io
Content-Type: application/json
Accept: */*
Content-Length: 307

{
  "preview_transaction": {
    "type": "Compiled",
    "preview_transaction_hex": "<sample-preview-transaction-hex>"
  },
  "flags": {
    "use_free_credit": true,
    "assume_all_signature_proofs": true,
    "skip_epoch_check": true,
    "disable_auth_checks": true
  },
  "opt_ins": {
    "core_api_receipt": true,
    "radix_engine_toolkit_receipt": true,
    "logs": true
  }
}

{
  "at_ledger_state_version": 1,
  "receipt": {},
  "radix_engine_toolkit_receipt": {},
  "logs": [
    {
      "level": "text",
      "message": "text"
    }
  ]
}