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sendrawtransaction Method

Broadcasts a transaction over the NEO network. There are many kinds of transactions, as specified in the network protocol documentation .


Hex: A hexadecimal string that has been serialized, after the signed transaction in the program.


Request body:

  "jsonrpc": "2.0",
  "method": "sendrawtransaction",
  "params": [ "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"],
  "id": 1

Response body if successful:

  "jsonrpc": "2.0",
  "id": 1,
  "result": true

Response body if not successful:

    "jsonrpc": "2.0",
    "id": 1,
    "error": {
        "code": -501,
        "message": "Block or transaction already exists and cannot be sent repeatedly."

Response Description:

When result is true, the current transaction is successfully broadcasted.

When result is false, the current transaction has failed to broadcast and an exception is raised.

In this example, a confirmed transaction is re-sent, so it failed. The following error codes can be expected:

Error codeMessage
-501Block or transaction already exists and cannot be sent repeatedly.
-502The memory pool is full and no more transactions can be sent.
-503The block cannot be validated.
-504Block or transaction validation failed.
-505One of the Policy filters failed.
-500Unknown error.