chore: add LatestAddressBalance entity

src/main/java/org/cardanofoundation/explorer/common/entity/ledgersync/LatestAddressBalance.java

@@ -0,0 +1,58 @@
+package org.cardanofoundation.explorer.common.entity.ledgersync;
+
+import java.math.BigInteger;
+
+import jakarta.persistence.AttributeOverride;
+import jakarta.persistence.AttributeOverrides;
+import jakarta.persistence.Column;
+import jakarta.persistence.Embedded;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.IdClass;
+import jakarta.persistence.Table;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.SuperBuilder;
+
+import org.cardanofoundation.explorer.common.entity.compositeKey.AddressBalanceId;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@SuperBuilder
+@Entity
+@Table(name = "latest_address_balance")
+@IdClass(AddressBalanceId.class)
+public class LatestAddressBalance {
+
+  @Id
+  @Column(name = "address")
+  private String address;
+
+  @Id
+  @Column(name = "unit")
+  private String unit;
+
+  @Id
+  @Column(name = "slot")
+  private Long slot;
+
+  @Embedded
+  @AttributeOverrides({
+    @AttributeOverride(
+        name = "address",
+        column = @Column(name = "address", insertable = false, updatable = false)),
+    @AttributeOverride(
+        name = "unit",
+        column = @Column(name = "unit", insertable = false, updatable = false)),
+    @AttributeOverride(
+        name = "slot",
+        column = @Column(name = "slot", insertable = false, updatable = false))
+  })
+  private AddressBalanceId id;
+
+  @Column(name = "quantity")
+  private BigInteger quantity;
+}