cfx_call
Call contract, returning the output data.
- CURL
curl --request POST \
     --url https://main.confluxrpc.com \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "params": [null,null],
  "method": "cfx_call"
}'
Params
tx required
The MAX_GAS_CALL_REQUEST is used as max value of cfx_call or cfx_estimate's gas value to prevent call_virtual consumes too much resource. The tx_pool will reject the tx if the gas is larger than half of the block gas limit. which is 30_000_000 before 1559, and 60_000_000 after 1559.pub const MAX_GAS_CALL_REQUEST: u64 = 15_000_000;
type : object
- accessList accessListtype : array- items[x]CfxAccessListItemtype : object- address addresstype : stringPattern :- ^(NET\d+|CFX|CFXTEST)(:TYPE\..*|):[ABCDEFGHJKMNPRSTUVWXYZ0123456789]{42}$
- storageKeys storageKeystype : array- items[x]H256type : stringPattern :- ^0x[0-9,a-f,A-F]{64}$
 
 
 
- data datatype : stringPattern :- ^0x[0-9a-f]*$
- from fromtype : stringPattern :- ^(NET\d+|CFX|CFXTEST)(:TYPE\..*|):[ABCDEFGHJKMNPRSTUVWXYZ0123456789]{42}$
- gas gastype : stringPattern :- ^0x([1-9a-f][0-9a-f]{0,63}|0)$
- gasPrice gasPricetype : stringPattern :- ^0x([1-9a-f][0-9a-f]{0,63}|0)$
- maxFeePerGas maxFeePerGastype : stringPattern :- ^0x([1-9a-f][0-9a-f]{0,63}|0)$
- maxPriorityFeePerGas maxPriorityFeePerGastype : stringPattern :- ^0x([1-9a-f][0-9a-f]{0,63}|0)$
- nonce noncetype : stringPattern :- ^0x([1-9a-f][0-9a-f]{0,63}|0)$
- storageLimit storageLimittype : stringPattern :- ^0x([1-9a-f][0-9a-f]{0,15}|0)$
- to totype : stringPattern :- ^(NET\d+|CFX|CFXTEST)(:TYPE\..*|):[ABCDEFGHJKMNPRSTUVWXYZ0123456789]{42}$
- transactionType transactionTypetype : stringPattern :- ^0x([1-9a-f][0-9a-f]{0,15}|0)$
- value valuetype : stringPattern :- ^0x([1-9a-f][0-9a-f]{0,63}|0)$
block_hash_or_epoch_number optional
Schema
type : any
Always valid
Result
Schema
type : string
Pattern : 
^0x[0-9a-f]*$