Merge pull request #58 from bianjieai/sv/addFeeGrant

Sv/add fee grant

Author: zhangyelong

README.md

@@ -334,6 +334,12 @@ https://mvnrepository.com/artifact/io.github.bianjieai
 
 查看 permClient 下的方法 (see method in perClient.java)
 
+## 设置FeeGrant
+```java
+        BaseTx baseTx = new BaseTx(200000, new Fee("300000", "ugas"), BroadcastMode.Commit);
+        baseTx.setFeeGranter("FeeGranter 地址");
+```
+
 ## 单元测试 (Unit Test Demo)
 
 [ServiceDemoTest.java](./src/test/java/irita/sdk/ServiceDemoTest.java)
@@ -367,3 +373,6 @@ https://mvnrepository.com/artifact/io.github.bianjieai
 [TibcTest.java](./src/test/java/irita/sdk/TibcTest.java)
 
 [WasmTest.java](./src/test/java/irita/sdk/WasmTest.java)
+
+[FeeGrantTest.java](./src/test/java/irita/sdk/FeeGrantTest.java)
+

src/test/java/irita/sdk/FeeGrantTest.java

@@ -0,0 +1,132 @@
+package irita.sdk;
+
+import com.google.protobuf.GeneratedMessageV3;
+import irita.sdk.client.BaseClient;
+import irita.sdk.client.IritaClient;
+import irita.sdk.config.ClientConfig;
+import irita.sdk.config.OpbConfig;
+import irita.sdk.constant.enums.BroadcastMode;
+import irita.sdk.key.KeyManager;
+import irita.sdk.key.KeyManagerFactory;
+import irita.sdk.model.*;
+import irita.sdk.module.bank.BankClient;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+import proto.nft.Tx;
+
+import java.io.IOException;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.Random;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class FeeGrantTest {
+    private BaseClient baseClient;
+    private IritaClient iritaClient;
+    private final BaseTx baseTx = new BaseTx(200000, new Fee("300000", "ugas"), BroadcastMode.Commit);
+    private String accountAmount;
+    private String grantAmount;
+
+    @BeforeEach
+    public void init() {
+        //本地环境账户助记词
+        String mnemonic = "plate cable circle skill pigeon lecture lizard sick sail amazing salute other sibling neutral device artefact point pond certain ice discover gift primary worry";
+        KeyManager km = KeyManagerFactory.createDefault();
+        km.recover(mnemonic);
+
+        // 本地环境链信息
+        String nodeUri = "http://127.0.0.1:26657";
+        String grpcAddr = "127.0.0.1:9090";
+        String chainId = "irita-tesnet";
+        ClientConfig clientConfig = new ClientConfig(nodeUri, grpcAddr, chainId);
+        OpbConfig opbConfig = null;
+
+        iritaClient = new IritaClient(clientConfig, opbConfig, km);
+        baseClient = iritaClient.getBaseClient();
+        //设置FeeGrant 该FeeGrant账户须是已对本次交易发送方账户进行过feegrant操作
+        baseTx.setFeeGranter("iaa17y3qs2zuanr93nk844x0t7e6ktchwygnc8fr0g");
+        //如果需要设置FeePayer 则该FeePayer必须对本交易签名
+        //baseTx.setFeePayer("iaa1j782zma8xj78wsmyfqvt8muvza8aazj05vpx9p");
+        accountAmount = testQueryAccount("iaa1cfqjw7h5h5xdaz6d05vs5xtpsn5w3vthartxvk",iritaClient);
+        grantAmount = testQueryAccount("iaa17y3qs2zuanr93nk844x0t7e6ktchwygnc8fr0g",iritaClient);
+        System.out.println("FeeGrant Account Balances:"+grantAmount);
+        System.out.println("From Account Balances:"+ accountAmount);
+        assertEquals("iaa1cfqjw7h5h5xdaz6d05vs5xtpsn5w3vthartxvk", km.getCurrentKeyInfo().getAddress());
+    }
+
+    @Test
+    @Disabled
+    public void testFeeGrant() throws IOException {
+
+        String denomID = "denomid" + new Random().nextInt(1000);
+        String denomName = "denomname" + new Random().nextInt(1000);
+        String schema = "no shcema";
+
+        Account account = baseClient.queryAccount(baseTx);
+        Tx.MsgIssueDenom msg1 = Tx.MsgIssueDenom
+                .newBuilder()
+                .setId(denomID + "1")
+                .setName(denomName + "1")
+                .setSchema(schema + "1")
+                .setSender(account.getAddress())
+                .build();
+        Tx.MsgIssueDenom msg2 = Tx.MsgIssueDenom
+                .newBuilder()
+                .setId(denomID + "2")
+                .setName(denomName + "2")
+                .setSchema(schema + "2")
+                .setSender(account.getAddress())
+                .build();
+
+        List<GeneratedMessageV3> msgs = new ArrayList<>();
+        msgs.add(msg1);
+        msgs.add(msg2);
+        ResultTx resultTx = baseClient.buildAndSend(msgs, baseTx, account);
+        System.out.println(resultTx.getResult().getHash());
+        String feeGrantResult = testQueryAccount("iaa17y3qs2zuanr93nk844x0t7e6ktchwygnc8fr0g",iritaClient);
+        String amount =  testQueryAccount("iaa1cfqjw7h5h5xdaz6d05vs5xtpsn5w3vthartxvk",iritaClient);
+        System.out.println("FeeGrant Account Balances:"+feeGrantResult);
+        System.out.println("From Account Balances:"+amount);
+        BigInteger grantAmountBigInteger = new BigInteger(grantAmount);
+        BigInteger grantResult = new BigInteger(feeGrantResult);
+        assertEquals(amount, accountAmount);
+        assertEquals(grantAmountBigInteger.subtract(new BigInteger("300000")),grantResult);
+    }
+
+
+    private String testQueryAccount(String address,IritaClient iritaClien) {
+        BankClient bankClient = iritaClien.getBankClient();
+        BaseAccount account = bankClient.queryAccount(address);
+        List<Coin> coins = account.getCoins();
+        Optional<Coin> iritaCoin = coins.stream().filter(x -> x.getDenom().equals("ugas")).findFirst();
+        if (!iritaCoin.isPresent()) {
+            return "0";
+        }
+        return iritaCoin.get().getAmount();
+    }
+}
+
+/*tx:
+  '@type': /cosmos.tx.v1beta1.Tx
+  auth_info:
+    fee:
+      amount:
+      - amount: "300000"
+        denom: ugas
+      gas_limit: "200000"
+      granter: iaa17y3qs2zuanr93nk844x0t7e6ktchwygnc8fr0g
+      payer: ""
+    signer_infos:
+    - mode_info:
+        single:
+          mode: SIGN_MODE_DIRECT
+      public_key:
+        '@type': /cosmos.crypto.sm2.PubKey
+        key: AxOeWQYtALvVweF7hvXDsFKbfZK2BARgD1YdgBNLZ3Yw
+      sequence: "7"
+*/
+