Added API call to list registered names that are for sale

src/main/java/org/qora/api/resource/NamesResource.java

@@ -350,4 +350,34 @@ public class NamesResource {
 		}
 	}
 
+	@GET
+	@Path("/forsale")
+	@Operation(
+		summary = "List all registered names up for sale",
+		responses = {
+			@ApiResponse(
+				description = "registered name info",
+				content = @Content(
+					mediaType = MediaType.APPLICATION_JSON,
+					array = @ArraySchema(schema = @Schema(implementation = NameData.class))
+				)
+			)
+		}
+	)
+	@ApiErrors({ApiError.REPOSITORY_ISSUE})
+	public List<NameData> getNamesForSale(@Parameter(ref = "limit") @QueryParam("limit") int limit, @Parameter(ref = "offset") @QueryParam("offset") int offset) {
+		try (final Repository repository = RepositoryManager.getRepository()) {
+			List<NameData> names = repository.getNameRepository().getNamesForSale();
+
+			// Pagination would take effect here (or as part of the repository access)
+			int fromIndex = Integer.min(offset, names.size());
+			int toIndex = limit == 0 ? names.size() : Integer.min(fromIndex + limit, names.size());
+			names = names.subList(fromIndex, toIndex);
+
+			return names;
+		} catch (DataException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.REPOSITORY_ISSUE, e);
+		}
+	}
+
 }

src/main/java/org/qora/data/naming/NameData.java

@@ -4,6 +4,9 @@ import java.math.BigDecimal;
 
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlTransient;
+
+import io.swagger.v3.oas.annotations.media.Schema;
 
 // All properties to be converted to JSON via JAX-RS
 @XmlAccessorType(XmlAccessType.FIELD)
@@ -15,6 +18,9 @@ public class NameData {
 	private String data;
 	private long registered;
 	private Long updated;
+	// No need to expose this via API
+	@XmlTransient
+	@Schema(hidden = true)
 	private byte[] reference;
 	private boolean isForSale;
 	private BigDecimal salePrice;

src/main/java/org/qora/repository/NameRepository.java

@@ -12,6 +12,8 @@ public interface NameRepository {
 
 	public List<NameData> getAllNames() throws DataException;
 
+	public List<NameData> getNamesForSale() throws DataException;
+
 	public List<NameData> getNamesByOwner(String address) throws DataException;
 
 	public void save(NameData nameData) throws DataException;

src/main/java/org/qora/repository/hsqldb/HSQLDBNameRepository.java

@@ -86,6 +86,38 @@ public class HSQLDBNameRepository implements NameRepository {
 		}
 	}
 
+	@Override
+	public List<NameData> getNamesForSale() throws DataException {
+		List<NameData> names = new ArrayList<>();
+
+		try (ResultSet resultSet = this.repository
+				.checkedExecute("SELECT name, data, owner, registered, updated, reference, sale_price FROM Names WHERE is_for_sale = TRUE")) {
+			if (resultSet == null)
+				return names;
+
+			do {
+				String name = resultSet.getString(1);
+				String data = resultSet.getString(2);
+				String owner = resultSet.getString(3);
+				long registered = resultSet.getTimestamp(4, Calendar.getInstance(HSQLDBRepository.UTC)).getTime();
+
+				// Special handling for possibly-NULL "updated" column
+				Timestamp updatedTimestamp = resultSet.getTimestamp(5, Calendar.getInstance(HSQLDBRepository.UTC));
+				Long updated = updatedTimestamp == null ? null : updatedTimestamp.getTime();
+
+				byte[] reference = resultSet.getBytes(6);
+				boolean isForSale = true;
+				BigDecimal salePrice = resultSet.getBigDecimal(7);
+
+				names.add(new NameData(owner, name, data, registered, updated, reference, isForSale, salePrice));
+			} while (resultSet.next());
+
+			return names;
+		} catch (SQLException e) {
+			throw new DataException("Unable to fetch names from repository", e);
+		}
+	}
+
 	@Override
 	public List<NameData> getNamesByOwner(String owner) throws DataException {
 		List<NameData> names = new ArrayList<>();