core_sign_raw_transaction.md

title	type
Sign Raw Transaction	core

Sign Raw Transaction

Applies the node's signature to a raw transaction and returns a modified hexadecimal value.

Note: If a signed transaction is given as an input, the signature is overwritten.

Method: signrawtransaction

Input parameters:

Parameter	Type	Required	Description
transaction	string	Yes	The encoded transaction, as returned by Create Raw Transaction

Output:

• success: transaction is returned as a hexadecimal string and the error field is set to null. This transaction is not added to the network.
• fail JSON encoded details with a non-null error and a null result:

Errors:

Error	Description
RPC_INVALID_PARAMETER	The transaction parameter is missing or does not represent a valid transaction object.

Example:

GET http://localhost:8081/signrawtransaction?transaction=0300000...0ad2a25212b003ef0259697760e0

{
  "result": "03000000000000000e313...cd149493f0d973b7d7bb9b6",
  "error": null,
  "id": null
}