Dry run

Dry run an extrinsic.

post

Use the dryRun call to simulate the submission of a transaction without executing it so that you can check for potential errors and validate the expected outcome.

Body

atstring · unsignedIntegerOptional

txstring · hexOptional

senderAddressstring · ss58Optional

Responses

application/json

objectOptional

References:

• PostDispatchInfo: https://docs.rs/frame-support/38.0.0/frame_support/dispatch/struct.PostDispatchInfo.html
• DispatchError: https://docs.rs/sp-runtime/39.0.1/sp_runtime/enum.DispatchError.html
• Error Type: https://paritytech.github.io/polkadot-sdk/master/xcm_runtime_apis/dry_run/enum.Error.html

application/json

post

HTTPcURLJavaScriptPython

POST /transaction/dry-run HTTP/1.1
Host: dot-playbook.nownodes.io
Content-Type: application/json
Accept: */*
Content-Length: 48

{
  "at": "text",
  "tx": "text",
  "senderAddress": "text"
}

{
  "resultType": "DispatchOutcome",
  "result": {
    "actualWeight": "text",
    "paysFee": "text"
  }
}