org.fisco.bcos.web3j.precompile.config.SystemConfigSerivce Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of web3sdk Show documentation

fisco-bcos web3jsdk

There is a newer version: 2.6.6

package org.fisco.bcos.web3j.precompile.config;

import org.fisco.bcos.web3j.crypto.Credentials;
import org.fisco.bcos.web3j.precompile.common.PrecompiledCommon;
import org.fisco.bcos.web3j.protocol.Web3j;
import org.fisco.bcos.web3j.protocol.core.methods.response.TransactionReceipt;
import org.fisco.bcos.web3j.tx.gas.ContractGasProvider;
import org.fisco.bcos.web3j.tx.gas.StaticGasProvider;

import java.math.BigInteger;

public class SystemConfigSerivce {
    private static BigInteger gasPrice = new BigInteger("300000000");
    private static BigInteger gasLimit = new BigInteger("300000000");
    private static String systemConfigPrecompileAddress = "0x0000000000000000000000000000000000001000";
    private SystemConfig systemConfig;
    
	public SystemConfigSerivce(Web3j web3j, Credentials credentials) {
		ContractGasProvider contractGasProvider = new StaticGasProvider(gasPrice, gasLimit);
		systemConfig = SystemConfig.load(systemConfigPrecompileAddress, web3j, credentials, contractGasProvider);
	}

	public String setValueByKey(String key, String value) throws Exception {
        TransactionReceipt receipt = systemConfig.setValueByKey(key, value).send();
        return PrecompiledCommon.getJsonStr(receipt.getOutput());
    }
}