tx gasprice for auth mode (#883)

* tx_gas_price for auth mode

* update

---------

Co-authored-by: Kyon <32325790+kyonRay@users.noreply.github.com>

Author: wenlinlee

src/main/java/org/fisco/bcos/sdk/v3/client/ClientImpl.java

@@ -987,7 +987,7 @@ public SystemConfig getSystemConfigByKey(String key) {
             String gasPrice =
                     this.getSystemConfigByKey(nodeToSendRequest, key).getSystemConfig().getValue();
             BigInteger gasPriceValue =
-                    BigInteger.valueOf(Integer.parseInt(Hex.trimPrefix(gasPrice), 16));
+                    BigInteger.valueOf(Integer.parseInt(Hex.trimPrefix(gasPrice), 10));
             this.getSystemConfigByKey(nodeToSendRequest, key)
                     .getSystemConfig()
                     .setValue(gasPriceValue.toString());

src/main/java/org/fisco/bcos/sdk/v3/contract/auth/manager/AuthManager.java

@@ -34,6 +34,7 @@
 import org.fisco.bcos.sdk.v3.transaction.codec.decode.ReceiptParser;
 import org.fisco.bcos.sdk.v3.transaction.codec.decode.RevertMessageParser;
 import org.fisco.bcos.sdk.v3.transaction.model.exception.ContractException;
+import org.fisco.bcos.sdk.v3.utils.Numeric;
 
 public class AuthManager {
 
@@ -372,6 +373,10 @@ public BigInteger createSetSysConfigProposal(String key, String value)
                             + nodeVersionString
                             + ")");
         }
+        if (key.equals(SystemConfigService.TX_GAS_PRICE)) {
+            BigInteger gasPrice = new BigInteger(value);
+            value = Numeric.toHexString(gasPrice);
+        }
         TransactionReceipt tr =
                 committeeManager.createSetSysConfigProposal(
                         key, value, DEFAULT_BLOCK_NUMBER_INTERVAL);