klay_call
Executes a new message call immediately without creating a transaction on the block chain. It returns data or an error object of JSON RPC if error occurs.
Name | Type | Description |
|---|---|---|
callObject | Object | The transaction call object. See the next table for the object's properties. |
blockNumberOrHash | QUANTITY | TAG | HASH | Integer or hexadecimal block number, or the string "earliest", "latest" or "pending" |
callObject has the following properties:Name | Type | Description |
|---|---|---|
from | 20-byte DATA | (optional) The address the transaction is sent from. |
to | 20-byte DATA | (optional when testing the deployment of a new contract) The address the transaction is directed to. |
gas | QUANTITY | (optional) Integer of the gas provided for the transaction execution. klay_call consumes zero gas, but this parameter may be needed by some executions.
|
gasPrice | QUANTITY | (optional) Integer of the gasPrice used for each paid gas. |
value | QUANTITY | (optional) Integer of the value sent with this transaction. |
data | DATA | (optional) Hash of the method signature and encoded parameters. Data size is limited to 20KB. |
Type | Description |
|---|---|
DATA | The return value of executed contract. |
// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "klay_call", "params": [{"from": "0x3f71029af4e252b25b9ab999f77182f0cd3bc085", "to": "0x87ac99835e67168d4f9a40580f8f5c33550ba88b", "gas": "0x100000", "gasPrice": "0x5d21dba00", "value": "0x0", "data": "0x8ada066e"}, "latest"], "id": 1}' http://klaytn.blockpi.network/v1/rpc/your-api-key
// Result
{"jsonrpc":"2.0","id":1,"result":"0x000000000000000000000000000000000000000000000000000000000000000a"}
Last modified 7mo ago