feat: add network resource DTOs and update controller

Author: Twiineenock

hiero-enterprise-spring-sample/src/main/java/org/hiero/spring/sample/controller/NetworkController.java

@@ -2,11 +2,11 @@
 
 import java.util.List;
 import java.util.Objects;
-import org.hiero.base.data.ExchangeRates;
-import org.hiero.base.data.NetworkFee;
-import org.hiero.base.data.NetworkStake;
-import org.hiero.base.data.NetworkSupplies;
 import org.hiero.base.mirrornode.NetworkRepository;
+import org.hiero.spring.sample.dto.network.ExchangeRatesResponse;
+import org.hiero.spring.sample.dto.network.NetworkFeeResponse;
+import org.hiero.spring.sample.dto.network.NetworkStakeResponse;
+import org.hiero.spring.sample.dto.network.NetworkSuppliesResponse;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -30,9 +30,10 @@ public NetworkController(final NetworkRepository networkRepository) {
    * Retrieves the current and next exchange rates.
    */
   @GetMapping("/exchange-rate")
-  public ExchangeRates getExchangeRates() {
+  public ExchangeRatesResponse getExchangeRates() {
     try {
       return networkRepository.exchangeRates()
+          .map(ExchangeRatesResponse::fromDomain)
           .orElseThrow(() -> new RuntimeException("Exchange rates not available"));
     } catch (final Exception e) {
       throw new RuntimeException("Failed to query exchange rates", e);
@@ -43,9 +44,11 @@ public ExchangeRates getExchangeRates() {
    * Retrieves the network fees.
    */
   @GetMapping("/fee")
-  public List<NetworkFee> getFees() {
+  public List<NetworkFeeResponse> getFees() {
     try {
-      return networkRepository.fees();
+      return networkRepository.fees().stream()
+          .map(NetworkFeeResponse::fromDomain)
+          .toList();
     } catch (final Exception e) {
       throw new RuntimeException("Failed to query network fees", e);
     }
@@ -55,9 +58,10 @@ public List<NetworkFee> getFees() {
    * Retrieves network staking information.
    */
   @GetMapping("/stake")
-  public NetworkStake getStake() {
+  public NetworkStakeResponse getStake() {
     try {
       return networkRepository.stake()
+          .map(NetworkStakeResponse::fromDomain)
           .orElseThrow(() -> new RuntimeException("Network stake info not available"));
     } catch (final Exception e) {
       throw new RuntimeException("Failed to query network stake", e);
@@ -68,9 +72,10 @@ public NetworkStake getStake() {
    * Retrieves network supply information.
    */
   @GetMapping("/supplies")
-  public NetworkSupplies getSupplies() {
+  public NetworkSuppliesResponse getSupplies() {
     try {
       return networkRepository.supplies()
+          .map(NetworkSuppliesResponse::fromDomain)
           .orElseThrow(() -> new RuntimeException("Network supply info not available"));
     } catch (final Exception e) {
       throw new RuntimeException("Failed to query network supplies", e);

hiero-enterprise-spring-sample/src/main/java/org/hiero/spring/sample/dto/network/ExchangeRatesResponse.java

@@ -0,0 +1,25 @@
+package org.hiero.spring.sample.dto.network;
+
+import java.time.Instant;
+import org.hiero.base.data.ExchangeRates;
+
+/**
+ * Response DTO for Network Exchange Rates.
+ */
+public record ExchangeRatesResponse(
+    RateInfo currentRate,
+    RateInfo nextRate
+) {
+  public record RateInfo(
+      int centEquivalent,
+      int hbarEquivalent,
+      Instant expirationTime
+  ) {}
+
+  public static ExchangeRatesResponse fromDomain(ExchangeRates rates) {
+    return new ExchangeRatesResponse(
+        new RateInfo(rates.currentRate().centEquivalent(), rates.currentRate().hbarEquivalent(), rates.currentRate().expirationTime()),
+        new RateInfo(rates.nextRate().centEquivalent(), rates.nextRate().hbarEquivalent(), rates.nextRate().expirationTime())
+    );
+  }
+}

hiero-enterprise-spring-sample/src/main/java/org/hiero/spring/sample/dto/network/NetworkFeeResponse.java

@@ -0,0 +1,15 @@
+package org.hiero.spring.sample.dto.network;
+
+import org.hiero.base.data.NetworkFee;
+
+/**
+ * Response DTO for Network Fees.
+ */
+public record NetworkFeeResponse(
+    long gas,
+    String transactionType
+) {
+  public static NetworkFeeResponse fromDomain(NetworkFee fee) {
+    return new NetworkFeeResponse(fee.gas(), fee.transactionType());
+  }
+}

hiero-enterprise-spring-sample/src/main/java/org/hiero/spring/sample/dto/network/NetworkStakeResponse.java

@@ -0,0 +1,40 @@
+package org.hiero.spring.sample.dto.network;
+
+import org.hiero.base.data.NetworkStake;
+
+/**
+ * Response DTO for Network Stake Information.
+ */
+public record NetworkStakeResponse(
+    long maxStakeReward,
+    long maxStakeRewardPerHbar,
+    long maxTotalReward,
+    double nodeRewardFeeFraction,
+    long reservedStakingRewards,
+    long rewardBalanceThreshold,
+    long stakeTotal,
+    long stakingPeriodDuration,
+    long stakingPeriodsStored,
+    double stakingRewardFeeFraction,
+    long stakingRewardRate,
+    long stakingStartThreshold,
+    long unreservedStakingRewardBalance
+) {
+  public static NetworkStakeResponse fromDomain(NetworkStake stake) {
+    return new NetworkStakeResponse(
+        stake.maxStakeReward(),
+        stake.maxStakeRewardPerHbar(),
+        stake.maxTotalReward(),
+        stake.nodeRewardFeeFraction(),
+        stake.reservedStakingRewards(),
+        stake.rewardBalanceThreshold(),
+        stake.stakeTotal(),
+        stake.stakingPeriodDuration(),
+        stake.stakingPeriodsStored(),
+        stake.stakingRewardFeeFraction(),
+        stake.stakingRewardRate(),
+        stake.stakingStartThreshold(),
+        stake.unreservedStakingRewardBalance()
+    );
+  }
+}

hiero-enterprise-spring-sample/src/main/java/org/hiero/spring/sample/dto/network/NetworkSuppliesResponse.java

@@ -0,0 +1,15 @@
+package org.hiero.spring.sample.dto.network;
+
+import org.hiero.base.data.NetworkSupplies;
+
+/**
+ * Response DTO for Network Supplies.
+ */
+public record NetworkSuppliesResponse(
+    String releasedSupply,
+    String totalSupply
+) {
+  public static NetworkSuppliesResponse fromDomain(NetworkSupplies supplies) {
+    return new NetworkSuppliesResponse(supplies.releasedSupply(), supplies.totalSupply());
+  }
+}