Trigger the read-only function of the contract ( they are the contract function which decorated by the pure and view modifiers), the query result is a non-solidified state.
Usage
// Format
tronWeb.transactionBuilder.triggerConfirmedConstantContract(contractAddress,functions, options,parameter,issuerAddress);
Arguments
| Argument | Description | Type |
|---|---|---|
| contractAddress | The smart contract address. | hexString |
| function | Function call, must not leave a blank space | String |
| options | Permission id,feeLimit,callValue | JSON |
| parameter | The parameter passed to 'function' | Array |
| issuerAddress | Address that triggers the contract | hexString |
Return
Object
Example
const parameter = []
const options = {
feeLimit:100000000,
callValue:0
}
const transaction = await tronWeb.transactionBuilder.triggerConfirmedConstantContract("419e62be7f4f103c36507cb2a753418791b1cdc182", "name()", options,
parameter,"417946F66D0FC67924DA0AC9936183AB3B07C81126");
>{
"result": {
"result": true
},
"transaction": {
"visible": false,
"txID": "72db144b8594a3f0ae01e89bc04f72eaede81d6b8ab3898f7c49279c9e8dcdac",
"raw_data": {
"contract": [
{
"parameter": {
"value": {
"data": "a9059cbb000000000000000000000000d148171f1ceeeb40d668c47d70e7e94e679775590000000000000000000000000000000000000000000000000000000000000064",
"owner_address": "417946f66d0fc67924da0ac9936183ab3b07c81126",
"contract_address": "419e62be7f4f103c36507cb2a753418791b1cdc182"
},
"type_url": "type.googleapis.com/protocol.TriggerSmartContract"
},
"type": "TriggerSmartContract"
}
],
"ref_block_bytes": "0cc5",
"ref_block_hash": "d250de868585420b",
"expiration": 1581310149000,
"fee_limit": 1000000000,
"timestamp": 1581310092216
},
"raw_data_hex": "0a020cc52208d250de868585420b408883b8eb822e5aae01081f12a9010a31747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e54726967676572536d617274436f6e747261637412740a15417946f66d0fc67924da0ac9936183ab3b07c811261215419e62be7f4f103c36507cb2a753418791b1cdc1822244a9059cbb000000000000000000000000d148171f1ceeeb40d668c47d70e7e94e67977559000000000000000000000000000000000000000000000000000000000000006470b8c7b4eb822e90018094ebdc03"
}
}