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07_Query_Test_Interface.md

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Query and Test Interface

Query and Test Interface

POST chain_queryTransaction (Test transaction execution)

Interface Purpose:

  • Test transactions are executed in a single machine trial to decide whether to actually submit the transaction to the network based on the returned results.
  • Query result operations are uniformly executed through the trial interface, which can return results immediately without gas fees.
Parameters
name type data type description
from required string Sender address
to required string Receiver address
value required string (hex) Transaction value
sliceno required string (hex) Metaspace number
Responses
http code content-type response
0 application/json {"ret_data":"...","err":"..."}

Response Fields:

  • ret_data - Transaction execution return value (hex encoded)
  • err - Transaction execution return error
Example cURL
 {
   "jsonrpc": "3.0",
   "method": "chain_queryTransaction",
   "params": [{
     "from": "0xc3b6472d6370eaf4eb58fff19ce1724c9d61892c",
     "to": "0x6268af5542c4b0ccbb650a0aaccbfcdfbabf6b52",
     "value": "0x2E90EDD00",
     "sliceno": "0x2"
   }, "", "encryp=none"],
   "id": "d2c8fe196f9f8d8ace952e9e"
 }
Response Example
 {
   "jsonrpc": "3.0",
   "id": "055169b80c4e2ef96c2b2cbb",
   "result": {
     "ret": "0",
     "err": "",
     "content": {
       "ret_data": "",
       "err": ""
     }
   }
 }