Bump version to 3.8.7

Add new ElectrumX servers

.github/workflows/pr-testing.yml

@@ -8,16 +8,16 @@ jobs:
   mavenTesting:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Cache local Maven repository
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
         restore-keys: |
           ${{ runner.os }}-maven-
     - name: Set up the Java JDK
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v3
       with:
         java-version: '11'
         distribution: 'adopt'

WindowsInstaller/Qortal.aip

@@ -17,10 +17,10 @@
     <ROW Property="Manufacturer" Value="Qortal"/>
     <ROW Property="MsiLogging" MultiBuildValue="DefaultBuild:vp"/>
     <ROW Property="NTP_GOOD" Value="false"/>
-    <ROW Property="ProductCode" Value="1033:{6C93A96C-E3AF-42FD-BE11-7EC3734905C6} 1049:{754F5347-82E5-4251-AED0-F4141CDD11F5} 2052:{413BD7B3-A3F8-47D0-BCA4-5C7694A40936} 2057:{71450AC8-1E6F-4469-852D-0591FA693680} " Type="16"/>
+    <ROW Property="ProductCode" Value="1033:{CB85115E-ECCE-4B3D-BB7F-6251A2764922} 1049:{09AC1C62-4E33-4312-826A-38F597ED1B17} 2052:{3CF701B3-E118-4A31-A4B7-156CEA19FBCC} 2057:{468F337D-0EF8-41D1-B5DE-4EEE66BA2AF6} " Type="16"/>
     <ROW Property="ProductLanguage" Value="2057"/>
     <ROW Property="ProductName" Value="Qortal"/>
-    <ROW Property="ProductVersion" Value="3.8.3" Type="32"/>
+    <ROW Property="ProductVersion" Value="3.8.5" Type="32"/>
     <ROW Property="RECONFIG_NTP" Value="true"/>
     <ROW Property="REMOVE_BLOCKCHAIN" Value="YES" Type="4"/>
     <ROW Property="REPAIR_BLOCKCHAIN" Value="YES" Type="4"/>
@@ -212,7 +212,7 @@
     <ROW Component="ADDITIONAL_LICENSE_INFO_71" ComponentId="{12A3ADBE-BB7A-496C-8869-410681E6232F}" Directory_="jdk.zipfs_Dir" Attributes="0" KeyPath="ADDITIONAL_LICENSE_INFO_71" Type="0"/>
     <ROW Component="ADDITIONAL_LICENSE_INFO_8" ComponentId="{D53AD95E-CF96-4999-80FC-5812277A7456}" Directory_="java.naming_Dir" Attributes="0" KeyPath="ADDITIONAL_LICENSE_INFO_8" Type="0"/>
     <ROW Component="ADDITIONAL_LICENSE_INFO_9" ComponentId="{6B7EA9B0-5D17-47A8-B78C-FACE86D15E01}" Directory_="java.net.http_Dir" Attributes="0" KeyPath="ADDITIONAL_LICENSE_INFO_9" Type="0"/>
-    <ROW Component="AI_CustomARPName" ComponentId="{EC7B4AD9-F2D9-48C4-A586-C4697D9C380C}" Directory_="APPDIR" Attributes="260" KeyPath="DisplayName" Options="1"/>
+    <ROW Component="AI_CustomARPName" ComponentId="{094B5D07-2258-4A39-9917-2E2F7F6E210B}" Directory_="APPDIR" Attributes="260" KeyPath="DisplayName" Options="1"/>
     <ROW Component="AI_ExePath" ComponentId="{3644948D-AE0B-41BB-9FAF-A79E70490A08}" Directory_="APPDIR" Attributes="260" KeyPath="AI_ExePath"/>
     <ROW Component="APPDIR" ComponentId="{680DFDDE-3FB4-47A5-8FF5-934F576C6F91}" Directory_="APPDIR" Attributes="0"/>
     <ROW Component="AccessBridgeCallbacks.h" ComponentId="{288055D1-1062-47A3-AA44-5601B4E38AED}" Directory_="bridge_Dir" Attributes="0" KeyPath="AccessBridgeCallbacks.h" Type="0"/>

pom.xml

@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.qortal</groupId>
 	<artifactId>qortal</artifactId>
-	<version>3.8.3</version>
+	<version>3.8.7</version>
 	<packaging>jar</packaging>
 	<properties>
 		<skipTests>true</skipTests>
@@ -304,6 +304,7 @@
 									implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
 									<mainClass>org.qortal.controller.Controller</mainClass>
 									<manifestEntries>
+										<Multi-Release>true</Multi-Release>
 										<Class-Path>. ..</Class-Path>
 									</manifestEntries>
 								</transformer>

src/main/java/org/qortal/api/resource/AdminResource.java

@@ -222,6 +222,42 @@ public class AdminResource {
 		}
 	}
 
+	@GET
+	@Path("/summary/alltime")
+	@Operation(
+			summary = "Summary of activity since genesis",
+			responses = {
+					@ApiResponse(
+							content = @Content(schema = @Schema(implementation = ActivitySummary.class))
+					)
+			}
+	)
+	@ApiErrors({ApiError.REPOSITORY_ISSUE})
+	@SecurityRequirement(name = "apiKey")
+	public ActivitySummary allTimeSummary(@HeaderParam(Security.API_KEY_HEADER) String apiKey) {
+		Security.checkApiCallAllowed(request);
+
+		ActivitySummary summary = new ActivitySummary();
+
+		try (final Repository repository = RepositoryManager.getRepository()) {
+			int startHeight = 1;
+			long start = repository.getBlockRepository().fromHeight(startHeight).getTimestamp();
+			int endHeight = repository.getBlockRepository().getBlockchainHeight();
+
+			summary.setBlockCount(endHeight - startHeight);
+
+			summary.setTransactionCountByType(repository.getTransactionRepository().getTransactionSummary(startHeight + 1, endHeight));
+
+			summary.setAssetsIssued(repository.getAssetRepository().getRecentAssetIds(start).size());
+
+			summary.setNamesRegistered (repository.getNameRepository().getRecentNames(start).size());
+
+			return summary;
+		} catch (DataException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.REPOSITORY_ISSUE, e);
+		}
+	}
+
 	@GET
 	@Path("/enginestats")
 	@Operation(

src/main/java/org/qortal/api/resource/ArbitraryResource.java

@@ -719,7 +719,7 @@ public class ArbitraryResource {
 		try {
 			ArbitraryDataTransactionMetadata transactionMetadata = ArbitraryMetadataManager.getInstance().fetchMetadata(resource, false);
 			if (transactionMetadata != null) {
-				ArbitraryResourceMetadata resourceMetadata = ArbitraryResourceMetadata.fromTransactionMetadata(transactionMetadata);
+				ArbitraryResourceMetadata resourceMetadata = ArbitraryResourceMetadata.fromTransactionMetadata(transactionMetadata, true);
 				if (resourceMetadata != null) {
 					return resourceMetadata;
 				}
@@ -1128,7 +1128,7 @@ public class ArbitraryResource {
 			if (path == null) {
 				// See if we have a string instead
 				if (string != null) {
-					File tempFile = File.createTempFile("qortal-", ".tmp");
+					File tempFile = File.createTempFile("qortal-", "");
 					tempFile.deleteOnExit();
 					BufferedWriter writer = new BufferedWriter(new FileWriter(tempFile.toPath().toString()));
 					writer.write(string);
@@ -1138,7 +1138,7 @@ public class ArbitraryResource {
 				}
 				// ... or base64 encoded raw data
 				else if (base64 != null) {
-					File tempFile = File.createTempFile("qortal-", ".tmp");
+					File tempFile = File.createTempFile("qortal-", "");
 					tempFile.deleteOnExit();
 					Files.write(tempFile.toPath(), Base64.decode(base64));
 					path = tempFile.toPath().toString();
@@ -1288,7 +1288,7 @@ public class ArbitraryResource {
 			ArbitraryDataResource resource = new ArbitraryDataResource(resourceInfo.name, ResourceIdType.NAME,
 					resourceInfo.service, resourceInfo.identifier);
 			ArbitraryDataTransactionMetadata transactionMetadata = resource.getLatestTransactionMetadata();
-			ArbitraryResourceMetadata resourceMetadata = ArbitraryResourceMetadata.fromTransactionMetadata(transactionMetadata);
+			ArbitraryResourceMetadata resourceMetadata = ArbitraryResourceMetadata.fromTransactionMetadata(transactionMetadata, false);
 			if (resourceMetadata != null) {
 				resourceInfo.metadata = resourceMetadata;
 			}

src/main/java/org/qortal/api/resource/BlocksResource.java

@@ -634,13 +634,16 @@ public class BlocksResource {
 	@ApiErrors({
 		ApiError.REPOSITORY_ISSUE
 	})
-	public List<BlockData> getBlockRange(@PathParam("height") int height, @Parameter(
-		ref = "count"
-	) @QueryParam("count") int count) {
+	public List<BlockData> getBlockRange(@PathParam("height") int height,
+										 @Parameter(ref = "count") @QueryParam("count") int count,
+										 @Parameter(ref = "reverse") @QueryParam("reverse") Boolean reverse,
+										 @QueryParam("includeOnlineSignatures") Boolean includeOnlineSignatures) {
 		try (final Repository repository = RepositoryManager.getRepository()) {
 			List<BlockData> blocks = new ArrayList<>();
+			boolean shouldReverse = (reverse != null && reverse == true);
 
-			for (/* count already set */; count > 0; --count, ++height) {
+			int i = 0;
+			while (i < count) {
 				BlockData blockData = repository.getBlockRepository().fromHeight(height);
 				if (blockData == null) {
 					// Not found - try the archive
@@ -650,8 +653,14 @@ public class BlocksResource {
 						break;
 					}
 				}
+				if (includeOnlineSignatures == null || includeOnlineSignatures == false) {
+					blockData.setOnlineAccountsSignatures(null);
+				}
 
 				blocks.add(blockData);
+
+				height = shouldReverse ? height - 1 : height + 1;
+				i++;
 			}
 
 			return blocks;

src/main/java/org/qortal/api/resource/BootstrapResource.java

@@ -60,7 +60,7 @@ public class BootstrapResource {
 			bootstrap.validateBlockchain();
 			return bootstrap.create();
 
-		} catch (DataException | InterruptedException | IOException e) {
+		} catch (Exception e) {
 			LOGGER.info("Unable to create bootstrap", e);
 			throw ApiExceptionFactory.INSTANCE.createCustomException(request, ApiError.REPOSITORY_ISSUE, e.getMessage());
 		}

src/main/java/org/qortal/api/resource/CrossChainBitcoinResource.java

@@ -14,6 +14,7 @@ import java.util.List;
 import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.HeaderParam;
 import javax.ws.rs.POST;
+import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
@@ -35,6 +36,37 @@ public class CrossChainBitcoinResource {
 	@Context
 	HttpServletRequest request;
 
+	@GET
+	@Path("/height")
+	@Operation(
+		summary = "Returns current Bitcoin block height",
+		description = "Returns the height of the most recent block in the Bitcoin chain.",
+		responses = {
+			@ApiResponse(
+				content = @Content(
+					schema = @Schema(
+						type = "number"
+					)
+				)
+			)
+		}
+	)
+	@ApiErrors({ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	public String getBitcoinHeight() {
+		Bitcoin bitcoin = Bitcoin.getInstance();
+
+		try {
+			Integer height = bitcoin.getBlockchainHeight();
+			if (height == null)
+				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+
+			return height.toString();
+
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/walletbalance")
 	@Operation(
@@ -68,7 +100,7 @@ public class CrossChainBitcoinResource {
 			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
 
 		try {
-			Long balance = bitcoin.getWalletBalanceFromTransactions(key58);
+			Long balance = bitcoin.getWalletBalance(key58);
 			if (balance == null)
 				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
 
@@ -118,6 +150,45 @@ public class CrossChainBitcoinResource {
 		}
 	}
 
+	@POST
+	@Path("/unusedaddress")
+	@Operation(
+		summary = "Returns first unused address for hierarchical, deterministic BIP32 wallet",
+		description = "Supply BIP32 'm' private/public key in base58, starting with 'xprv'/'xpub' for mainnet, 'tprv'/'tpub' for testnet",
+		requestBody = @RequestBody(
+			required = true,
+			content = @Content(
+				mediaType = MediaType.TEXT_PLAIN,
+				schema = @Schema(
+					type = "string",
+					description = "BIP32 'm' private/public key in base58",
+					example = "tpubD6NzVbkrYhZ4XTPc4btCZ6SMgn8CxmWkj6VBVZ1tfcJfMq4UwAjZbG8U74gGSypL9XBYk2R2BLbDBe8pcEyBKM1edsGQEPKXNbEskZozeZc"
+				)
+			)
+		),
+		responses = {
+			@ApiResponse(
+				content = @Content(array = @ArraySchema( schema = @Schema( implementation = SimpleTransaction.class ) ) )
+			)
+		}
+	)
+	@ApiErrors({ApiError.INVALID_PRIVATE_KEY, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	@SecurityRequirement(name = "apiKey")
+	public String getUnusedBitcoinReceiveAddress(@HeaderParam(Security.API_KEY_HEADER) String apiKey, String key58) {
+		Security.checkApiCallAllowed(request);
+
+		Bitcoin bitcoin = Bitcoin.getInstance();
+
+		if (!bitcoin.isValidDeterministicKey(key58))
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
+
+		try {
+			return bitcoin.getUnusedReceiveAddress(key58);
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/send")
 	@Operation(

src/main/java/org/qortal/api/resource/CrossChainDigibyteResource.java

@@ -14,6 +14,7 @@ import java.util.List;
 import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.HeaderParam;
 import javax.ws.rs.POST;
+import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
@@ -35,6 +36,37 @@ public class CrossChainDigibyteResource {
 	@Context
 	HttpServletRequest request;
 
+	@GET
+	@Path("/height")
+	@Operation(
+		summary = "Returns current Digibyte block height",
+		description = "Returns the height of the most recent block in the Digibyte chain.",
+		responses = {
+			@ApiResponse(
+				content = @Content(
+					schema = @Schema(
+						type = "number"
+					)
+				)
+			)
+		}
+	)
+	@ApiErrors({ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	public String getDigibyteHeight() {
+		Digibyte digibyte = Digibyte.getInstance();
+
+		try {
+			Integer height = digibyte.getBlockchainHeight();
+			if (height == null)
+				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+
+			return height.toString();
+
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/walletbalance")
 	@Operation(
@@ -68,7 +100,7 @@ public class CrossChainDigibyteResource {
 			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
 
 		try {
-			Long balance = digibyte.getWalletBalanceFromTransactions(key58);
+			Long balance = digibyte.getWalletBalance(key58);
 			if (balance == null)
 				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
 
@@ -118,6 +150,45 @@ public class CrossChainDigibyteResource {
 		}
 	}
 
+	@POST
+	@Path("/unusedaddress")
+	@Operation(
+		summary = "Returns first unused address for hierarchical, deterministic BIP32 wallet",
+		description = "Supply BIP32 'm' private/public key in base58, starting with 'xprv'/'xpub' for mainnet, 'tprv'/'tpub' for testnet",
+		requestBody = @RequestBody(
+			required = true,
+			content = @Content(
+				mediaType = MediaType.TEXT_PLAIN,
+				schema = @Schema(
+					type = "string",
+					description = "BIP32 'm' private/public key in base58",
+					example = "tpubD6NzVbkrYhZ4XTPc4btCZ6SMgn8CxmWkj6VBVZ1tfcJfMq4UwAjZbG8U74gGSypL9XBYk2R2BLbDBe8pcEyBKM1edsGQEPKXNbEskZozeZc"
+				)
+			)
+		),
+		responses = {
+			@ApiResponse(
+				content = @Content(array = @ArraySchema( schema = @Schema( implementation = SimpleTransaction.class ) ) )
+			)
+		}
+	)
+	@ApiErrors({ApiError.INVALID_PRIVATE_KEY, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	@SecurityRequirement(name = "apiKey")
+	public String getUnusedDigibyteReceiveAddress(@HeaderParam(Security.API_KEY_HEADER) String apiKey, String key58) {
+		Security.checkApiCallAllowed(request);
+
+		Digibyte digibyte = Digibyte.getInstance();
+
+		if (!digibyte.isValidDeterministicKey(key58))
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
+
+		try {
+			return digibyte.getUnusedReceiveAddress(key58);
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/send")
 	@Operation(

src/main/java/org/qortal/api/resource/CrossChainDogecoinResource.java

@@ -21,6 +21,7 @@ import org.qortal.crosschain.SimpleTransaction;
 import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.HeaderParam;
 import javax.ws.rs.POST;
+import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
@@ -33,6 +34,37 @@ public class CrossChainDogecoinResource {
 	@Context
 	HttpServletRequest request;
 
+	@GET
+	@Path("/height")
+	@Operation(
+		summary = "Returns current Dogecoin block height",
+		description = "Returns the height of the most recent block in the Dogecoin chain.",
+		responses = {
+			@ApiResponse(
+				content = @Content(
+					schema = @Schema(
+						type = "number"
+					)
+				)
+			)
+		}
+	)
+	@ApiErrors({ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	public String getDogecoinHeight() {
+		Dogecoin dogecoin = Dogecoin.getInstance();
+
+		try {
+			Integer height = dogecoin.getBlockchainHeight();
+			if (height == null)
+				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+
+			return height.toString();
+
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/walletbalance")
 	@Operation(
@@ -66,7 +98,7 @@ public class CrossChainDogecoinResource {
 			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
 
 		try {
-			Long balance = dogecoin.getWalletBalanceFromTransactions(key58);
+			Long balance = dogecoin.getWalletBalance(key58);
 			if (balance == null)
 				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
 
@@ -116,6 +148,45 @@ public class CrossChainDogecoinResource {
 		}
 	}
 
+	@POST
+	@Path("/unusedaddress")
+	@Operation(
+		summary = "Returns first unused address for hierarchical, deterministic BIP32 wallet",
+		description = "Supply BIP32 'm' private/public key in base58, starting with 'xprv'/'xpub' for mainnet, 'tprv'/'tpub' for testnet",
+		requestBody = @RequestBody(
+			required = true,
+			content = @Content(
+				mediaType = MediaType.TEXT_PLAIN,
+				schema = @Schema(
+					type = "string",
+					description = "BIP32 'm' private/public key in base58",
+					example = "tpubD6NzVbkrYhZ4XTPc4btCZ6SMgn8CxmWkj6VBVZ1tfcJfMq4UwAjZbG8U74gGSypL9XBYk2R2BLbDBe8pcEyBKM1edsGQEPKXNbEskZozeZc"
+				)
+			)
+		),
+		responses = {
+			@ApiResponse(
+				content = @Content(array = @ArraySchema( schema = @Schema( implementation = SimpleTransaction.class ) ) )
+			)
+		}
+	)
+	@ApiErrors({ApiError.INVALID_PRIVATE_KEY, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	@SecurityRequirement(name = "apiKey")
+	public String getUnusedDogecoinReceiveAddress(@HeaderParam(Security.API_KEY_HEADER) String apiKey, String key58) {
+		Security.checkApiCallAllowed(request);
+
+		Dogecoin dogecoin = Dogecoin.getInstance();
+
+		if (!dogecoin.isValidDeterministicKey(key58))
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
+
+		try {
+			return dogecoin.getUnusedReceiveAddress(key58);
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/send")
 	@Operation(

src/main/java/org/qortal/api/resource/CrossChainLitecoinResource.java

@@ -14,6 +14,7 @@ import java.util.List;
 import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.HeaderParam;
 import javax.ws.rs.POST;
+import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
@@ -35,6 +36,37 @@ public class CrossChainLitecoinResource {
 	@Context
 	HttpServletRequest request;
 
+	@GET
+	@Path("/height")
+	@Operation(
+		summary = "Returns current Litecoin block height",
+		description = "Returns the height of the most recent block in the Litecoin chain.",
+		responses = {
+			@ApiResponse(
+				content = @Content(
+					schema = @Schema(
+						type = "number"
+					)
+				)
+			)
+		}
+	)
+	@ApiErrors({ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	public String getLitecoinHeight() {
+		Litecoin litecoin = Litecoin.getInstance();
+
+		try {
+			Integer height = litecoin.getBlockchainHeight();
+			if (height == null)
+				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+
+			return height.toString();
+
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/walletbalance")
 	@Operation(
@@ -68,7 +100,7 @@ public class CrossChainLitecoinResource {
 			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
 
 		try {
-			Long balance = litecoin.getWalletBalanceFromTransactions(key58);
+			Long balance = litecoin.getWalletBalance(key58);
 			if (balance == null)
 				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
 
@@ -118,6 +150,45 @@ public class CrossChainLitecoinResource {
 		}
 	}
 
+	@POST
+	@Path("/unusedaddress")
+	@Operation(
+		summary = "Returns first unused address for hierarchical, deterministic BIP32 wallet",
+		description = "Supply BIP32 'm' private/public key in base58, starting with 'xprv'/'xpub' for mainnet, 'tprv'/'tpub' for testnet",
+		requestBody = @RequestBody(
+			required = true,
+			content = @Content(
+				mediaType = MediaType.TEXT_PLAIN,
+				schema = @Schema(
+					type = "string",
+					description = "BIP32 'm' private/public key in base58",
+					example = "tpubD6NzVbkrYhZ4XTPc4btCZ6SMgn8CxmWkj6VBVZ1tfcJfMq4UwAjZbG8U74gGSypL9XBYk2R2BLbDBe8pcEyBKM1edsGQEPKXNbEskZozeZc"
+				)
+			)
+		),
+		responses = {
+			@ApiResponse(
+				content = @Content(array = @ArraySchema( schema = @Schema( implementation = SimpleTransaction.class ) ) )
+			)
+		}
+	)
+	@ApiErrors({ApiError.INVALID_PRIVATE_KEY, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	@SecurityRequirement(name = "apiKey")
+	public String getUnusedLitecoinReceiveAddress(@HeaderParam(Security.API_KEY_HEADER) String apiKey, String key58) {
+		Security.checkApiCallAllowed(request);
+
+		Litecoin litecoin = Litecoin.getInstance();
+
+		if (!litecoin.isValidDeterministicKey(key58))
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
+
+		try {
+			return litecoin.getUnusedReceiveAddress(key58);
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/send")
 	@Operation(

src/main/java/org/qortal/api/resource/CrossChainPirateChainResource.java

@@ -20,6 +20,7 @@ import org.qortal.crosschain.SimpleTransaction;
 import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.HeaderParam;
 import javax.ws.rs.POST;
+import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
@@ -32,6 +33,37 @@ public class CrossChainPirateChainResource {
 	@Context
 	HttpServletRequest request;
 
+	@GET
+	@Path("/height")
+	@Operation(
+		summary = "Returns current PirateChain block height",
+		description = "Returns the height of the most recent block in the PirateChain chain.",
+		responses = {
+			@ApiResponse(
+				content = @Content(
+					schema = @Schema(
+						type = "number"
+					)
+				)
+			)
+		}
+	)
+	@ApiErrors({ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	public String getPirateChainHeight() {
+		PirateChain pirateChain = PirateChain.getInstance();
+
+		try {
+			Integer height = pirateChain.getBlockchainHeight();
+			if (height == null)
+				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+
+			return height.toString();
+
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/walletbalance")
 	@Operation(

src/main/java/org/qortal/api/resource/CrossChainRavencoinResource.java

@@ -14,6 +14,7 @@ import java.util.List;
 import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.HeaderParam;
 import javax.ws.rs.POST;
+import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
@@ -35,6 +36,37 @@ public class CrossChainRavencoinResource {
 	@Context
 	HttpServletRequest request;
 
+	@GET
+	@Path("/height")
+	@Operation(
+		summary = "Returns current Ravencoin block height",
+		description = "Returns the height of the most recent block in the Ravencoin chain.",
+		responses = {
+			@ApiResponse(
+				content = @Content(
+					schema = @Schema(
+						type = "number"
+					)
+				)
+			)
+		}
+	)
+	@ApiErrors({ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	public String getRavencoinHeight() {
+		Ravencoin ravencoin = Ravencoin.getInstance();
+
+		try {
+			Integer height = ravencoin.getBlockchainHeight();
+			if (height == null)
+				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+
+			return height.toString();
+
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/walletbalance")
 	@Operation(
@@ -68,7 +100,7 @@ public class CrossChainRavencoinResource {
 			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
 
 		try {
-			Long balance = ravencoin.getWalletBalanceFromTransactions(key58);
+			Long balance = ravencoin.getWalletBalance(key58);
 			if (balance == null)
 				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
 
@@ -118,6 +150,45 @@ public class CrossChainRavencoinResource {
 		}
 	}
 
+	@POST
+	@Path("/unusedaddress")
+	@Operation(
+		summary = "Returns first unused address for hierarchical, deterministic BIP32 wallet",
+		description = "Supply BIP32 'm' private/public key in base58, starting with 'xprv'/'xpub' for mainnet, 'tprv'/'tpub' for testnet",
+		requestBody = @RequestBody(
+			required = true,
+			content = @Content(
+				mediaType = MediaType.TEXT_PLAIN,
+				schema = @Schema(
+					type = "string",
+					description = "BIP32 'm' private/public key in base58",
+					example = "tpubD6NzVbkrYhZ4XTPc4btCZ6SMgn8CxmWkj6VBVZ1tfcJfMq4UwAjZbG8U74gGSypL9XBYk2R2BLbDBe8pcEyBKM1edsGQEPKXNbEskZozeZc"
+				)
+			)
+		),
+		responses = {
+			@ApiResponse(
+				content = @Content(array = @ArraySchema( schema = @Schema( implementation = SimpleTransaction.class ) ) )
+			)
+		}
+	)
+	@ApiErrors({ApiError.INVALID_PRIVATE_KEY, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE})
+	@SecurityRequirement(name = "apiKey")
+	public String getUnusedRavencoinReceiveAddress(@HeaderParam(Security.API_KEY_HEADER) String apiKey, String key58) {
+		Security.checkApiCallAllowed(request);
+
+		Ravencoin ravencoin = Ravencoin.getInstance();
+
+		if (!ravencoin.isValidDeterministicKey(key58))
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_PRIVATE_KEY);
+
+		try {
+			return ravencoin.getUnusedReceiveAddress(key58);
+		} catch (ForeignBlockchainException e) {
+			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.FOREIGN_BLOCKCHAIN_NETWORK_ISSUE);
+		}
+	}
+
 	@POST
 	@Path("/send")
 	@Operation(

src/main/java/org/qortal/api/resource/CrossChainTradeBotResource.java

@@ -11,6 +11,7 @@ import io.swagger.v3.oas.annotations.security.SecurityRequirement;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 import javax.servlet.http.HttpServletRequest;
@@ -38,9 +39,12 @@ import org.qortal.crypto.Crypto;
 import org.qortal.data.at.ATData;
 import org.qortal.data.crosschain.CrossChainTradeData;
 import org.qortal.data.crosschain.TradeBotData;
+import org.qortal.data.transaction.MessageTransactionData;
+import org.qortal.data.transaction.TransactionData;
 import org.qortal.repository.DataException;
 import org.qortal.repository.Repository;
 import org.qortal.repository.RepositoryManager;
+import org.qortal.transaction.Transaction;
 import org.qortal.utils.Base58;
 import org.qortal.utils.NTP;
 
@@ -223,6 +227,17 @@ public class CrossChainTradeBotResource {
 			if (crossChainTradeData.mode != AcctMode.OFFERING)
 				throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_CRITERIA);
 
+			// Check if there is a buy or a cancel request in progress for this trade
+			List<Transaction.TransactionType> txTypes = List.of(Transaction.TransactionType.MESSAGE);
+			List<TransactionData> unconfirmed = repository.getTransactionRepository().getUnconfirmedTransactions(txTypes, null, 0, 0, false);
+			for (TransactionData  transactionData : unconfirmed) {
+				MessageTransactionData messageTransactionData = (MessageTransactionData) transactionData;
+				if (Objects.equals(messageTransactionData.getRecipient(), atAddress)) {
+					// There is a pending request for this trade, so block this buy attempt to reduce the risk of refunds
+					throw ApiExceptionFactory.INSTANCE.createCustomException(request, ApiError.INVALID_CRITERIA, "Trade has an existing buy request or is pending cancellation.");
+				}
+			}
+
 			AcctTradeBot.ResponseResult result = TradeBot.getInstance().startResponse(repository, atData, acct, crossChainTradeData,
 					tradeBotRespondRequest.foreignKey, tradeBotRespondRequest.receivingAddress);
 

src/main/java/org/qortal/arbitrary/ArbitraryDataReader.java

@@ -60,6 +60,9 @@ public class ArbitraryDataReader {
     private int layerCount;
     private byte[] latestSignature;
 
+    // The resource being read
+    ArbitraryDataResource arbitraryDataResource = null;
+
     public ArbitraryDataReader(String resourceId, ResourceIdType resourceIdType, Service service, String identifier) {
         // Ensure names are always lowercase
         if (resourceIdType == ResourceIdType.NAME) {
@@ -116,6 +119,11 @@ public class ArbitraryDataReader {
         return new ArbitraryDataBuildQueueItem(this.resourceId, this.resourceIdType, this.service, this.identifier);
     }
 
+    private ArbitraryDataResource createArbitraryDataResource() {
+        return new ArbitraryDataResource(this.resourceId, this.resourceIdType, this.service, this.identifier);
+    }
+
+
     /**
      * loadAsynchronously
      *
@@ -163,6 +171,8 @@ public class ArbitraryDataReader {
                 return;
             }
 
+            this.arbitraryDataResource = this.createArbitraryDataResource();
+
             this.preExecute();
             this.deleteExistingFiles();
             this.fetch();
@@ -436,7 +446,7 @@ public class ArbitraryDataReader {
         byte[] secret = this.secret58 != null ? Base58.decode(this.secret58) : null;
         if (secret != null && secret.length == Transformer.AES256_LENGTH) {
             try {
-                LOGGER.info("Decrypting using algorithm {}...", algorithm);
+                LOGGER.debug("Decrypting {} using algorithm {}...", this.arbitraryDataResource, algorithm);
                 Path unencryptedPath = Paths.get(this.workingPath.toString(), "zipped.zip");
                 SecretKey aesKey = new SecretKeySpec(secret, 0, secret.length, "AES");
                 AES.decryptFile(algorithm, aesKey, this.filePath.toString(), unencryptedPath.toString());
@@ -447,7 +457,7 @@ public class ArbitraryDataReader {
 
             } catch (NoSuchAlgorithmException | InvalidAlgorithmParameterException | NoSuchPaddingException
                     | BadPaddingException | IllegalBlockSizeException | IOException | InvalidKeyException e) {
-                LOGGER.info(String.format("Exception when decrypting using algorithm %s", algorithm), e);
+                LOGGER.info(String.format("Exception when decrypting %s using algorithm %s", this.arbitraryDataResource, algorithm), e);
                 throw new DataException(String.format("Unable to decrypt file at path %s using algorithm %s: %s", this.filePath, algorithm, e.getMessage()));
             }
         } else {

src/main/java/org/qortal/arbitrary/ArbitraryDataWriter.java

@@ -23,16 +23,13 @@ import javax.crypto.NoSuchPaddingException;
 import javax.crypto.SecretKey;
 import java.io.File;
 import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
+import java.nio.file.*;
 import java.security.InvalidAlgorithmParameterException;
 import java.security.InvalidKeyException;
 import java.security.NoSuchAlgorithmException;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Objects;
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public class ArbitraryDataWriter {
 
@@ -50,6 +47,7 @@ public class ArbitraryDataWriter {
     private final String description;
     private final List<String> tags;
     private final Category category;
+    private List<String> files;
 
     private int chunkSize = ArbitraryDataFile.CHUNK_SIZE;
 
@@ -80,12 +78,14 @@ public class ArbitraryDataWriter {
         this.description = ArbitraryDataTransactionMetadata.limitDescription(description);
         this.tags = ArbitraryDataTransactionMetadata.limitTags(tags);
         this.category = category;
+        this.files = new ArrayList<>(); // Populated in buildFileList()
     }
 
     public void save() throws IOException, DataException, InterruptedException, MissingDataException {
         try {
             this.preExecute();
             this.validateService();
+            this.buildFileList();
             this.process();
             this.compress();
             this.encrypt();
@@ -143,6 +143,24 @@ public class ArbitraryDataWriter {
         }
     }
 
+    private void buildFileList() throws IOException {
+        // Single file resources consist of a single element in the file list
+        boolean isSingleFile = this.filePath.toFile().isFile();
+        if (isSingleFile) {
+            this.files.add(this.filePath.getFileName().toString());
+            return;
+        }
+
+        // Multi file resources require a walk through the directory tree
+        try (Stream<Path> stream = Files.walk(this.filePath)) {
+            this.files = stream
+                    .filter(Files::isRegularFile)
+                    .map(p -> this.filePath.relativize(p).toString())
+                    .filter(s -> !s.isEmpty())
+                    .collect(Collectors.toList());
+        }
+    }
+
     private void process() throws DataException, IOException, MissingDataException {
         switch (this.method) {
 
@@ -285,6 +303,7 @@ public class ArbitraryDataWriter {
             metadata.setTags(this.tags);
             metadata.setCategory(this.category);
             metadata.setChunks(this.arbitraryDataFile.chunkHashList());
+            metadata.setFiles(this.files);
             metadata.write();
 
             // Create an ArbitraryDataFile from the JSON file (we don't have a signature yet)

src/main/java/org/qortal/arbitrary/metadata/ArbitraryDataTransactionMetadata.java

@@ -19,6 +19,7 @@ public class ArbitraryDataTransactionMetadata extends ArbitraryDataMetadata {
     private String description;
     private List<String> tags;
     private Category category;
+    private List<String> files;
 
     private static int MAX_TITLE_LENGTH = 80;
     private static int MAX_DESCRIPTION_LENGTH = 500;
@@ -77,6 +78,20 @@ public class ArbitraryDataTransactionMetadata extends ArbitraryDataMetadata {
             }
             this.chunks = chunksList;
         }
+
+        List<String> filesList = new ArrayList<>();
+        if (metadata.has("files")) {
+            JSONArray files = metadata.getJSONArray("files");
+            if (files != null) {
+                for (int i=0; i<files.length(); i++) {
+                    String tag = files.getString(i);
+                    if (tag != null) {
+                        filesList.add(tag);
+                    }
+                }
+            }
+            this.files = filesList;
+        }
     }
 
     @Override
@@ -111,6 +126,14 @@ public class ArbitraryDataTransactionMetadata extends ArbitraryDataMetadata {
         }
         outer.put("chunks", chunks);
 
+        JSONArray files = new JSONArray();
+        if (this.files != null) {
+            for (String file : this.files) {
+                files.put(file);
+            }
+        }
+        outer.put("files", files);
+
         this.jsonString = outer.toString(2);
         LOGGER.trace("Transaction metadata: {}", this.jsonString);
     }
@@ -156,6 +179,14 @@ public class ArbitraryDataTransactionMetadata extends ArbitraryDataMetadata {
         return this.category;
     }
 
+    public void setFiles(List<String> files) {
+        this.files = files;
+    }
+
+    public List<String> getFiles() {
+        return this.files;
+    }
+
     public boolean containsChunk(byte[] chunk) {
         for (byte[] c : this.chunks) {
             if (Arrays.equals(c, chunk)) {

src/main/java/org/qortal/arbitrary/misc/Service.java

@@ -20,17 +20,30 @@ public enum Service {
     ARBITRARY_DATA(100, false, null, null),
     QCHAT_ATTACHMENT(120, true, 1024*1024L, null) {
         @Override
-        public ValidationResult validate(Path path) {
+        public ValidationResult validate(Path path) throws IOException {
+            ValidationResult superclassResult = super.validate(path);
+            if (superclassResult != ValidationResult.OK) {
+                return superclassResult;
+            }
+
             // Custom validation function to require a single file, with a whitelisted extension
             int fileCount = 0;
             File[] files = path.toFile().listFiles();
+            // If already a single file, replace the list with one that contains that file only
+            if (files == null && path.toFile().isFile()) {
+                files = new File[] { path.toFile() };
+            }
             if (files != null) {
                 for (File file : files) {
+                    if (file.getName().equals(".qortal")) {
+                        continue;
+                    }
                     if (file.isDirectory()) {
                         return ValidationResult.DIRECTORIES_NOT_ALLOWED;
                     }
                     final String extension = FilenameUtils.getExtension(file.getName()).toLowerCase();
-                    final List<String> allowedExtensions = Arrays.asList("zip", "pdf", "txt", "odt", "ods", "doc", "docx", "xls", "xlsx", "ppt", "pptx");
+                    // We must allow blank file extensions because these are used by data published from a plaintext or base64-encoded string
+                    final List<String> allowedExtensions = Arrays.asList("zip", "pdf", "txt", "odt", "ods", "doc", "docx", "xls", "xlsx", "ppt", "pptx", "");
                     if (extension == null || !allowedExtensions.contains(extension)) {
                         return ValidationResult.INVALID_FILE_EXTENSION;
                     }
@@ -45,7 +58,12 @@ public enum Service {
     },
     WEBSITE(200, true, null, null) {
         @Override
-        public ValidationResult validate(Path path) {
+        public ValidationResult validate(Path path) throws IOException {
+            ValidationResult superclassResult = super.validate(path);
+            if (superclassResult != ValidationResult.OK) {
+                return superclassResult;
+            }
+
             // Custom validation function to require an index HTML file in the root directory
             List<String> fileNames = ArbitraryDataRenderer.indexFiles();
             String[] files = path.toFile().list();
@@ -66,6 +84,8 @@ public enum Service {
     QCHAT_IMAGE(420, true, 500*1024L, null),
     VIDEO(500, false, null, null),
     AUDIO(600, false, null, null),
+    QCHAT_AUDIO(610, true, 10*1024*1024L, null),
+    QCHAT_VOICE(620, true, 10*1024*1024L, null),
     BLOG(700, false, null, null),
     BLOG_POST(777, false, null, null),
     BLOG_COMMENT(778, false, null, null),
@@ -76,12 +96,24 @@ public enum Service {
     METADATA(1100, false, null, null),
     GIF_REPOSITORY(1200, true, 25*1024*1024L, null) {
         @Override
-        public ValidationResult validate(Path path) {
+        public ValidationResult validate(Path path) throws IOException {
+            ValidationResult superclassResult = super.validate(path);
+            if (superclassResult != ValidationResult.OK) {
+                return superclassResult;
+            }
+
             // Custom validation function to require .gif files only, and at least 1
             int gifCount = 0;
             File[] files = path.toFile().listFiles();
+            // If already a single file, replace the list with one that contains that file only
+            if (files == null && path.toFile().isFile()) {
+                files = new File[] { path.toFile() };
+            }
             if (files != null) {
                 for (File file : files) {
+                    if (file.getName().equals(".qortal")) {
+                        continue;
+                    }
                     if (file.isDirectory()) {
                         return ValidationResult.DIRECTORIES_NOT_ALLOWED;
                     }

src/main/java/org/qortal/controller/BlockMinter.java

@@ -63,8 +63,8 @@ public class BlockMinter extends Thread {
 	public void run() {
 		Thread.currentThread().setName("BlockMinter");
 
-		if (Settings.getInstance().isLite()) {
-			// Lite nodes do not mint
+		if (Settings.getInstance().isTopOnly() || Settings.getInstance().isLite()) {
+			// Top only and lite nodes do not sign blocks
 			return;
 		}
 		if (Settings.getInstance().getWipeUnconfirmedOnStart()) {

src/main/java/org/qortal/controller/arbitrary/ArbitraryDataStorageManager.java

@@ -48,7 +48,6 @@ public class ArbitraryDataStorageManager extends Thread {
     private List<ArbitraryTransactionData> hostedTransactions;
 
     private String searchQuery;
-    private List<ArbitraryTransactionData> searchResultsTransactions;
 
     private static final long DIRECTORY_SIZE_CHECK_INTERVAL = 10 * 60 * 1000L; // 10 minutes
 
@@ -344,11 +343,6 @@ public class ArbitraryDataStorageManager extends Thread {
      */
 
     public List<ArbitraryTransactionData> searchHostedTransactions(Repository repository, String query, Integer limit, Integer offset) {
-        // Load from results cache if we can (results that exists for the same query), to avoid disk reads
-        if (this.searchResultsTransactions != null && this.searchQuery.equals(query.toLowerCase())) {
-            return ArbitraryTransactionUtils.limitOffsetTransactions(this.searchResultsTransactions, limit, offset);
-        }
-
         // Using cache if we can, to avoid disk reads
         if (this.hostedTransactions == null) {
             this.hostedTransactions = this.loadAllHostedTransactions(repository);
@@ -376,10 +370,7 @@ public class ArbitraryDataStorageManager extends Thread {
         // Sort by newest first
         searchResultsList.sort(Comparator.comparingLong(ArbitraryTransactionData::getTimestamp).reversed());
 
-        // Update cache
-        this.searchResultsTransactions = searchResultsList;
-
-        return ArbitraryTransactionUtils.limitOffsetTransactions(this.searchResultsTransactions, limit, offset);
+        return ArbitraryTransactionUtils.limitOffsetTransactions(searchResultsList, limit, offset);
     }
 
     /**

src/main/java/org/qortal/controller/repository/NamesDatabaseIntegrityCheck.java

@@ -102,6 +102,21 @@ public class NamesDatabaseIntegrityCheck {
                     }
                 }
 
+                // Process CANCEL_SELL_NAME transactions
+                if (currentTransaction.getType() == TransactionType.CANCEL_SELL_NAME) {
+                    CancelSellNameTransactionData cancelSellNameTransactionData = (CancelSellNameTransactionData) currentTransaction;
+                    Name nameObj = new Name(repository, cancelSellNameTransactionData.getName());
+                    if (nameObj != null && nameObj.getNameData() != null) {
+                        nameObj.cancelSell(cancelSellNameTransactionData);
+                        modificationCount++;
+                        LOGGER.trace("Processed CANCEL_SELL_NAME transaction for name {}", name);
+                    }
+                    else {
+                        // Something went wrong
+                        throw new DataException(String.format("Name data not found for name %s", cancelSellNameTransactionData.getName()));
+                    }
+                }
+
                 // Process BUY_NAME transactions
                 if (currentTransaction.getType() == TransactionType.BUY_NAME) {
                     BuyNameTransactionData buyNameTransactionData = (BuyNameTransactionData) currentTransaction;
@@ -128,7 +143,7 @@ public class NamesDatabaseIntegrityCheck {
     public int rebuildAllNames() {
         int modificationCount = 0;
         try (final Repository repository = RepositoryManager.getRepository()) {
-            List<String> names = this.fetchAllNames(repository);
+            List<String> names = this.fetchAllNames(repository); // TODO: de-duplicate, to speed up this process
             for (String name : names) {
                 modificationCount += this.rebuildName(name, repository);
             }
@@ -326,6 +341,10 @@ public class NamesDatabaseIntegrityCheck {
                 TransactionType.BUY_NAME, Arrays.asList("name = ?"), Arrays.asList(name));
         signatures.addAll(buyNameTransactions);
 
+        List<byte[]> cancelSellNameTransactions = repository.getTransactionRepository().getSignaturesMatchingCustomCriteria(
+                TransactionType.CANCEL_SELL_NAME, Arrays.asList("name = ?"), Arrays.asList(name));
+        signatures.addAll(cancelSellNameTransactions);
+
         List<TransactionData> transactions = new ArrayList<>();
         for (byte[] signature : signatures) {
             TransactionData transactionData = repository.getTransactionRepository().fromSignature(signature);
@@ -390,6 +409,12 @@ public class NamesDatabaseIntegrityCheck {
                     names.add(sellNameTransactionData.getName());
                 }
             }
+            if ((transactionData instanceof CancelSellNameTransactionData)) {
+                CancelSellNameTransactionData cancelSellNameTransactionData = (CancelSellNameTransactionData) transactionData;
+                if (!names.contains(cancelSellNameTransactionData.getName())) {
+                    names.add(cancelSellNameTransactionData.getName());
+                }
+            }
         }
         return names;
     }

src/main/java/org/qortal/crosschain/Bitcoin.java

@@ -49,6 +49,7 @@ public class Bitcoin extends Bitcoiny {
 						//CLOSED new Server("bitcoin.grey.pw", Server.ConnectionType.SSL, 50002),
 						//CLOSED new Server("btc.litepay.ch", Server.ConnectionType.SSL, 50002),
 						//CLOSED new Server("electrum.pabu.io", Server.ConnectionType.SSL, 50002),
+						//CLOSED new Server("electrumx.dev", Server.ConnectionType.SSL, 50002),
 						//CLOSED new Server("electrumx.hodlwallet.com", Server.ConnectionType.SSL, 50002),
 						//CLOSED new Server("gd42.org", Server.ConnectionType.SSL, 50002),
 						//CLOSED new Server("korea.electrum-server.com", Server.ConnectionType.SSL, 50002),
@@ -56,28 +57,75 @@ public class Bitcoin extends Bitcoiny {
 						//1.15.0 new Server("alviss.coinjoined.com", Server.ConnectionType.SSL, 50002),
 						//1.15.0 new Server("electrum.acinq.co", Server.ConnectionType.SSL, 50002),
 						//1.14.0 new Server("electrum.coinext.com.br", Server.ConnectionType.SSL, 50002),
+						//F1.7.0 new Server("btc.lastingcoin.net", Server.ConnectionType.SSL, 50002),
 						new Server("104.248.139.211", Server.ConnectionType.SSL, 50002),
+						new Server("128.0.190.26", Server.ConnectionType.SSL, 50002),
 						new Server("142.93.6.38", Server.ConnectionType.SSL, 50002),
 						new Server("157.245.172.236", Server.ConnectionType.SSL, 50002),
 						new Server("167.172.226.175", Server.ConnectionType.SSL, 50002),
 						new Server("167.172.42.31", Server.ConnectionType.SSL, 50002),
 						new Server("178.62.80.20", Server.ConnectionType.SSL, 50002),
 						new Server("185.64.116.15", Server.ConnectionType.SSL, 50002),
+						new Server("188.165.206.215", Server.ConnectionType.SSL, 50002),
+						new Server("188.165.211.112", Server.ConnectionType.SSL, 50002),
+						new Server("2azzarita.hopto.org", Server.ConnectionType.SSL, 50002),
+						new Server("2electrumx.hopto.me", Server.ConnectionType.SSL, 56022),
+						new Server("2ex.digitaleveryware.com", Server.ConnectionType.SSL, 50002),
+						new Server("65.39.140.37", Server.ConnectionType.SSL, 50002),
 						new Server("68.183.188.105", Server.ConnectionType.SSL, 50002),
+						new Server("71.73.14.254", Server.ConnectionType.SSL, 50002),
+						new Server("94.23.247.135", Server.ConnectionType.SSL, 50002),
+						new Server("assuredly.not.fyi", Server.ConnectionType.SSL, 50002),
+						new Server("ax101.blockeng.ch", Server.ConnectionType.SSL, 50002),
+						new Server("ax102.blockeng.ch", Server.ConnectionType.SSL, 50002),
+						new Server("b.1209k.com", Server.ConnectionType.SSL, 50002),
+						new Server("b6.1209k.com", Server.ConnectionType.SSL, 50002),
+						new Server("bitcoin.dermichi.com", Server.ConnectionType.SSL, 50002),
+						new Server("bitcoin.lu.ke", Server.ConnectionType.SSL, 50002),
 						new Server("bitcoin.lukechilds.co", Server.ConnectionType.SSL, 50002),
 						new Server("blkhub.net", Server.ConnectionType.SSL, 50002),
-						new Server("btc.lastingcoin.net", Server.ConnectionType.SSL, 50002),
+						new Server("btc.electroncash.dk", Server.ConnectionType.SSL, 60002),
+						new Server("btc.ocf.sh", Server.ConnectionType.SSL, 50002),
 						new Server("btce.iiiiiii.biz", Server.ConnectionType.SSL, 50002),
 						new Server("caleb.vegas", Server.ConnectionType.SSL, 50002),
 						new Server("eai.coincited.net", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.bhoovd.com", Server.ConnectionType.SSL, 50002),
 						new Server("electrum.bitaroo.net", Server.ConnectionType.SSL, 50002),
-						new Server("electrumx.dev", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.bitcoinlizard.net", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.blockstream.info", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.emzy.de", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.exan.tech", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.kendigisland.xyz", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.mmitech.info", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.petrkr.net", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.stippy.com", Server.ConnectionType.SSL, 50002),
+						new Server("electrum.thomasfischbach.de", Server.ConnectionType.SSL, 50002),
+						new Server("electrum0.snel.it", Server.ConnectionType.SSL, 50002),
+						new Server("electrum1.cipig.net", Server.ConnectionType.SSL, 50002),
+						new Server("electrum2.cipig.net", Server.ConnectionType.SSL, 50002),
+						new Server("electrum3.cipig.net", Server.ConnectionType.SSL, 50002),
+						new Server("electrumx.alexridevski.net", Server.ConnectionType.SSL, 50002),
+						new Server("electrumx-core.1209k.com", Server.ConnectionType.SSL, 50002),
 						new Server("elx.bitske.com", Server.ConnectionType.SSL, 50002),
+						new Server("ex03.axalgo.com", Server.ConnectionType.SSL, 50002),
+						new Server("ex05.axalgo.com", Server.ConnectionType.SSL, 50002),
+						new Server("ex07.axalgo.com", Server.ConnectionType.SSL, 50002),
 						new Server("fortress.qtornado.com", Server.ConnectionType.SSL, 50002),
+						new Server("fulcrum.grey.pw", Server.ConnectionType.SSL, 50002),
+						new Server("fulcrum.sethforprivacy.com", Server.ConnectionType.SSL, 51002),
 						new Server("guichet.centure.cc", Server.ConnectionType.SSL, 50002),
-						new Server("kareoke.qoppa.org", Server.ConnectionType.SSL, 50002),
 						new Server("hodlers.beer", Server.ConnectionType.SSL, 50002),
+						new Server("kareoke.qoppa.org", Server.ConnectionType.SSL, 50002),
+						new Server("kirsche.emzy.de", Server.ConnectionType.SSL, 50002),
 						new Server("node1.btccuracao.com", Server.ConnectionType.SSL, 50002),
+						new Server("osr1ex1.compumundohipermegared.one", Server.ConnectionType.SSL, 50002),
+						new Server("smmalis37.ddns.net", Server.ConnectionType.SSL, 50002),
+						new Server("ulrichard.ch", Server.ConnectionType.SSL, 50002),
+						new Server("vmd104012.contaboserver.net", Server.ConnectionType.SSL, 50002),
+						new Server("vmd104014.contaboserver.net", Server.ConnectionType.SSL, 50002),
+						new Server("vmd63185.contaboserver.net", Server.ConnectionType.SSL, 50002),
+						new Server("vmd71287.contaboserver.net", Server.ConnectionType.SSL, 50002),
+						new Server("vmd84592.contaboserver.net", Server.ConnectionType.SSL, 50002),
 						new Server("xtrum.com", Server.ConnectionType.SSL, 50002));
 			}
 

src/main/java/org/qortal/crosschain/Bitcoiny.java

@@ -167,6 +167,16 @@ public abstract class Bitcoiny implements ForeignBlockchain {
 		return blockTimestamps.get(5);
 	}
 
+	/**
+	 * Returns height from latest block.
+	 * <p>
+	 * @throws ForeignBlockchainException if error occurs
+	 */
+	public int getBlockchainHeight() throws ForeignBlockchainException {
+		int height = this.blockchainProvider.getCurrentHeight();
+		return height;
+	}
+
 	/** Returns fee per transaction KB. To be overridden for testnet/regtest. */
 	public Coin getFeePerKb() {
 		return this.bitcoinjContext.getFeePerKb();
@@ -357,19 +367,33 @@ public abstract class Bitcoiny implements ForeignBlockchain {
 	 * @return unspent BTC balance, or null if unable to determine balance
 	 */
 	public Long getWalletBalance(String key58) throws ForeignBlockchainException {
-		// It's more accurate to calculate the balance from the transactions, rather than asking Bitcoinj
-		return this.getWalletBalanceFromTransactions(key58);
+		Long balance = 0L;
 
-//		Context.propagate(bitcoinjContext);
-//
-//		Wallet wallet = walletFromDeterministicKey58(key58);
-//		wallet.setUTXOProvider(new WalletAwareUTXOProvider(this, wallet));
-//
-//		Coin balance = wallet.getBalance();
-//		if (balance == null)
-//			return null;
-//
-//		return balance.value;
+		List<TransactionOutput> allUnspentOutputs = new ArrayList<>();
+		Set<String> walletAddresses = this.getWalletAddresses(key58);
+		for (String address : walletAddresses) {
+			allUnspentOutputs.addAll(this.getUnspentOutputs(address));
+		}
+		for (TransactionOutput output : allUnspentOutputs) {
+			if (!output.isAvailableForSpending()) {
+				continue;
+			}
+			balance += output.getValue().value;
+		}
+		return balance;
+	}
+
+	public Long getWalletBalanceFromBitcoinj(String key58) {
+		Context.propagate(bitcoinjContext);
+
+		Wallet wallet = walletFromDeterministicKey58(key58);
+		wallet.setUTXOProvider(new WalletAwareUTXOProvider(this, wallet));
+
+		Coin balance = wallet.getBalance();
+		if (balance == null)
+			return null;
+
+		return balance.value;
 	}
 
 	public Long getWalletBalanceFromTransactions(String key58) throws ForeignBlockchainException {
@@ -464,6 +488,64 @@ public abstract class Bitcoiny implements ForeignBlockchain {
 		}
 	}
 
+	public Set<String> getWalletAddresses(String key58) throws ForeignBlockchainException {
+		synchronized (this) {
+			Context.propagate(bitcoinjContext);
+
+			Wallet wallet = walletFromDeterministicKey58(key58);
+			DeterministicKeyChain keyChain = wallet.getActiveKeyChain();
+
+			keyChain.setLookaheadSize(Bitcoiny.WALLET_KEY_LOOKAHEAD_INCREMENT);
+			keyChain.maybeLookAhead();
+
+			List<DeterministicKey> keys = new ArrayList<>(keyChain.getLeafKeys());
+
+			Set<String> keySet = new HashSet<>();
+
+			int unusedCounter = 0;
+			int ki = 0;
+			do {
+				boolean areAllKeysUnused = true;
+
+				for (; ki < keys.size(); ++ki) {
+					DeterministicKey dKey = keys.get(ki);
+
+					// Check for transactions
+					Address address = Address.fromKey(this.params, dKey, ScriptType.P2PKH);
+					keySet.add(address.toString());
+					byte[] script = ScriptBuilder.createOutputScript(address).getProgram();
+
+					// Ask for transaction history - if it's empty then key has never been used
+					List<TransactionHash> historicTransactionHashes = this.getAddressTransactions(script, false);
+
+					if (!historicTransactionHashes.isEmpty()) {
+						areAllKeysUnused = false;
+					}
+				}
+
+				if (areAllKeysUnused) {
+					// No transactions
+					if (unusedCounter >= Settings.getInstance().getGapLimit()) {
+						// ... and we've hit our search limit
+						break;
+					}
+					// We haven't hit our search limit yet so increment the counter and keep looking
+					unusedCounter += WALLET_KEY_LOOKAHEAD_INCREMENT;
+				} else {
+					// Some keys in this batch were used, so reset the counter
+					unusedCounter = 0;
+				}
+
+				// Generate some more keys
+				keys.addAll(generateMoreKeys(keyChain));
+
+				// Process new keys
+			} while (true);
+
+			return keySet;
+		}
+	}
+
 	protected SimpleTransaction convertToSimpleTransaction(BitcoinyTransaction t, Set<String> keySet) {
 		long amount = 0;
 		long total = 0L;

src/main/java/org/qortal/crosschain/Digibyte.java

@@ -45,6 +45,9 @@ public class Digibyte extends Bitcoiny {
 				return Arrays.asList(
 						// Servers chosen on NO BASIS WHATSOEVER from various sources!
 						// Status verified at https://1209k.com/bitcoin-eye/ele.php?chain=dgb
+						new Server("electrum.qortal.link", Server.ConnectionType.SSL, 55002),
+						new Server("electrum-dgb.qortal.online", ConnectionType.SSL, 50002),
+						new Server("electrum1-dgb.qortal.online", ConnectionType.SSL, 50002),
 						new Server("electrum1.cipig.net", ConnectionType.SSL, 20059),
 						new Server("electrum2.cipig.net", ConnectionType.SSL, 20059),
 						new Server("electrum3.cipig.net", ConnectionType.SSL, 20059));

src/main/java/org/qortal/crosschain/Dogecoin.java

@@ -45,10 +45,13 @@ public class Dogecoin extends Bitcoiny {
 			public Collection<Server> getServers() {
 				return Arrays.asList(
 						// Servers chosen on NO BASIS WHATSOEVER from various sources!
+						// Status verified at https://1209k.com/bitcoin-eye/ele.php?chain=doge
+						new Server("electrum.qortal.link", Server.ConnectionType.SSL, 54002),
+						new Server("electrum-doge.qortal.online", ConnectionType.SSL, 50002),
+						new Server("electrum1-doge.qortal.online", ConnectionType.SSL, 50002),
 						new Server("electrum1.cipig.net", ConnectionType.SSL, 20060),
 						new Server("electrum2.cipig.net", ConnectionType.SSL, 20060),
 						new Server("electrum3.cipig.net", ConnectionType.SSL, 20060));
-						// TODO: add more mainnet servers. It's too centralized.
 			}
 
 			@Override

src/main/java/org/qortal/crosschain/ElectrumX.java

@@ -5,6 +5,7 @@ import java.math.BigDecimal;
 import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.net.SocketAddress;
+import java.text.DecimalFormat;
 import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -30,7 +31,11 @@ public class ElectrumX extends BitcoinyBlockchainProvider {
 	private static final Logger LOGGER = LogManager.getLogger(ElectrumX.class);
 	private static final Random RANDOM = new Random();
 
+	// See: https://electrumx.readthedocs.io/en/latest/protocol-changes.html
 	private static final double MIN_PROTOCOL_VERSION = 1.2;
+	private static final double MAX_PROTOCOL_VERSION = 2.0; // Higher than current latest, for hopeful future-proofing
+	private static final String CLIENT_NAME = "Qortal";
+
 	private static final int BLOCK_HEADER_LENGTH = 80;
 
 	// "message": "daemon error: DaemonError({'code': -5, 'message': 'No such mempool or blockchain transaction. Use gettransaction for wallet transactions.'})"
@@ -679,6 +684,9 @@ public class ElectrumX extends BitcoinyBlockchainProvider {
 				this.scanner = new Scanner(this.socket.getInputStream());
 				this.scanner.useDelimiter("\n");
 
+				// All connections need to start with a version negotiation
+				this.connectedRpc("server.version");
+
 				// Check connection is suitable by asking for server features, including genesis block hash
 				JSONObject featuresJson = (JSONObject) this.connectedRpc("server.features");
 
@@ -725,6 +733,17 @@ public class ElectrumX extends BitcoinyBlockchainProvider {
 
 		JSONArray requestParams = new JSONArray();
 		requestParams.addAll(Arrays.asList(params));
+
+		// server.version needs additional params to negotiate a version
+		if (method.equals("server.version")) {
+			requestParams.add(CLIENT_NAME);
+			List<String> versions = new ArrayList<>();
+			DecimalFormat df = new DecimalFormat("#.#");
+			versions.add(df.format(MIN_PROTOCOL_VERSION));
+			versions.add(df.format(MAX_PROTOCOL_VERSION));
+			requestParams.add(versions);
+		}
+
 		requestJson.put("params", requestParams);
 
 		String request = requestJson.toJSONString() + "\n";

src/main/java/org/qortal/crosschain/Litecoin.java

@@ -45,15 +45,19 @@ public class Litecoin extends Bitcoiny {
 				return Arrays.asList(
 						// Servers chosen on NO BASIS WHATSOEVER from various sources!
 						// Status verified at https://1209k.com/bitcoin-eye/ele.php?chain=ltc
-						//CLOSED new Server("electrum-ltc.petrkr.net", Server.ConnectionType.SSL, 60002),
 						//CLOSED new Server("electrum-ltc.someguy123.net", Server.ConnectionType.SSL, 50002),
+						//CLOSED new Server("ltc.litepay.ch", Server.ConnectionType.SSL, 50022),
+						//BEHIND new Server("62.171.169.176", Server.ConnectionType.SSL, 50002),
 						//PHISHY new Server("electrum-ltc.bysh.me", Server.ConnectionType.SSL, 50002),
 						new Server("backup.electrum-ltc.org", Server.ConnectionType.SSL, 443),
+						new Server("electrum.qortal.link", Server.ConnectionType.SSL, 50002),
 						new Server("electrum.ltc.xurious.com", Server.ConnectionType.SSL, 50002),
+						new Server("electrum-ltc.petrkr.net", Server.ConnectionType.SSL, 60002),
+						new Server("electrum-ltc.qortal.online", Server.ConnectionType.SSL, 50002),
+						new Server("electrum1-ltc.qortal.online", Server.ConnectionType.SSL, 50002),
 						new Server("electrum1.cipig.net", Server.ConnectionType.SSL, 20063),
 						new Server("electrum2.cipig.net", Server.ConnectionType.SSL, 20063),
 						new Server("electrum3.cipig.net", Server.ConnectionType.SSL, 20063),
-						new Server("ltc.litepay.ch", Server.ConnectionType.SSL, 50022),
 						new Server("ltc.rentonrisk.com", Server.ConnectionType.SSL, 50002));
 			}
 

src/main/java/org/qortal/crosschain/PirateChain.java

@@ -57,9 +57,9 @@ public class PirateChain extends Bitcoiny {
 			public Collection<Server> getServers() {
 				return Arrays.asList(
 						// Servers chosen on NO BASIS WHATSOEVER from various sources!
-						new Server("arrrlightd.qortal.online", ConnectionType.SSL, 443),
-						new Server("arrrlightd1.qortal.online", ConnectionType.SSL, 443),
-						new Server("arrrlightd2.qortal.online", ConnectionType.SSL, 443),
+						new Server("wallet-arrr1.qortal.online", ConnectionType.SSL, 443),
+						new Server("wallet-arrr2.qortal.online", ConnectionType.SSL, 443),
+						new Server("wallet-arrr3.qortal.online", ConnectionType.SSL, 443),
 						new Server("lightd.pirate.black", ConnectionType.SSL, 443));
 			}
 

src/main/java/org/qortal/crosschain/Ravencoin.java

@@ -45,13 +45,17 @@ public class Ravencoin extends Bitcoiny {
 				return Arrays.asList(
 						// Servers chosen on NO BASIS WHATSOEVER from various sources!
 						// Status verified at https://1209k.com/bitcoin-eye/ele.php?chain=rvn
-						new Server("aethyn.com", ConnectionType.SSL, 50002),
-						new Server("electrum2.rvn.rocks", ConnectionType.SSL, 50002),
-						new Server("rvn-dashboard.com", ConnectionType.SSL, 50002),
-						new Server("rvn4lyfe.com", ConnectionType.SSL, 50002),
+						//CLOSED new Server("aethyn.com", ConnectionType.SSL, 50002),
+						//CLOSED new Server("electrum2.rvn.rocks", ConnectionType.SSL, 50002),
+						//BEHIND new Server("electrum3.rvn.rocks", ConnectionType.SSL, 50002),
+						new Server("electrum.qortal.link", Server.ConnectionType.SSL, 56002),
+						new Server("electrum-rvn.qortal.online", ConnectionType.SSL, 50002),
+						new Server("electrum1-rvn.qortal.online", ConnectionType.SSL, 50002),
 						new Server("electrum1.cipig.net", ConnectionType.SSL, 20051),
 						new Server("electrum2.cipig.net", ConnectionType.SSL, 20051),
-						new Server("electrum3.cipig.net", ConnectionType.SSL, 20051));
+						new Server("electrum3.cipig.net", ConnectionType.SSL, 20051),
+						new Server("rvn-dashboard.com", ConnectionType.SSL, 50002),
+						new Server("rvn4lyfe.com", ConnectionType.SSL, 50002));
 			}
 
 			@Override

src/main/java/org/qortal/data/arbitrary/ArbitraryResourceMetadata.java

@@ -15,22 +15,24 @@ public class ArbitraryResourceMetadata {
     private List<String> tags;
     private Category category;
     private String categoryName;
+    private List<String> files;
 
     public ArbitraryResourceMetadata() {
     }
 
-    public ArbitraryResourceMetadata(String title, String description, List<String> tags, Category category) {
+    public ArbitraryResourceMetadata(String title, String description, List<String> tags, Category category, List<String> files) {
         this.title = title;
         this.description = description;
         this.tags = tags;
         this.category = category;
+        this.files = files;
 
         if (category != null) {
             this.categoryName = category.getName();
         }
     }
 
-    public static ArbitraryResourceMetadata fromTransactionMetadata(ArbitraryDataTransactionMetadata transactionMetadata) {
+    public static ArbitraryResourceMetadata fromTransactionMetadata(ArbitraryDataTransactionMetadata transactionMetadata, boolean includeFileList) {
         if (transactionMetadata == null) {
             return null;
         }
@@ -39,10 +41,20 @@ public class ArbitraryResourceMetadata {
         List<String> tags = transactionMetadata.getTags();
         Category category = transactionMetadata.getCategory();
 
-        if (title == null && description == null && tags == null && category == null) {
+        // We don't always want to include the file list as it can be too verbose
+        List<String> files = null;
+        if (includeFileList) {
+            files = transactionMetadata.getFiles();
+        }
+
+        if (title == null && description == null && tags == null && category == null && files == null) {
             return null;
         }
 
-        return new ArbitraryResourceMetadata(title, description, tags, category);
+        return new ArbitraryResourceMetadata(title, description, tags, category, files);
+    }
+
+    public List<String> getFiles() {
+        return this.files;
     }
 }

src/main/java/org/qortal/data/chat/ActiveChats.java

@@ -17,17 +17,21 @@ public class ActiveChats {
 		private Long timestamp;
 		private String sender;
 		private String senderName;
+		private byte[] signature;
+		private byte[] data;
 
 		protected GroupChat() {
 			/* JAXB */
 		}
 
-		public GroupChat(int groupId, String groupName, Long timestamp, String sender, String senderName) {
+		public GroupChat(int groupId, String groupName, Long timestamp, String sender, String senderName, byte[] signature, byte[] data) {
 			this.groupId = groupId;
 			this.groupName = groupName;
 			this.timestamp = timestamp;
 			this.sender = sender;
 			this.senderName = senderName;
+			this.signature = signature;
+			this.data = data;
 		}
 
 		public int getGroupId() {
@@ -49,6 +53,14 @@ public class ActiveChats {
 		public String getSenderName() {
 			return this.senderName;
 		}
+
+		public byte[] getSignature() {
+			return this.signature;
+		}
+
+		public byte[] getData() {
+			return this.data;
+		}
 	}
 
 	@XmlAccessorType(XmlAccessType.FIELD)
@@ -118,4 +130,4 @@ public class ActiveChats {
 		return this.direct;
 	}
 
-}
+}

src/main/java/org/qortal/data/transaction/CancelSellNameTransactionData.java

@@ -3,6 +3,7 @@ package org.qortal.data.transaction;
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlTransient;
 
 import org.qortal.transaction.Transaction.TransactionType;
 
@@ -19,6 +20,11 @@ public class CancelSellNameTransactionData extends TransactionData {
 	@Schema(description = "which name to cancel selling", example = "my-name")
 	private String name;
 
+	// For internal use when orphaning
+	@XmlTransient
+	@Schema(hidden = true)
+	private Long salePrice;
+
 	// Constructors
 
 	// For JAXB
@@ -30,11 +36,17 @@ public class CancelSellNameTransactionData extends TransactionData {
 		this.creatorPublicKey = this.ownerPublicKey;
 	}
 
-	public CancelSellNameTransactionData(BaseTransactionData baseTransactionData, String name) {
+	public CancelSellNameTransactionData(BaseTransactionData baseTransactionData, String name, Long salePrice) {
 		super(TransactionType.CANCEL_SELL_NAME, baseTransactionData);
 
 		this.ownerPublicKey = baseTransactionData.creatorPublicKey;
 		this.name = name;
+		this.salePrice = salePrice;
+	}
+
+	/** From network/API */
+	public CancelSellNameTransactionData(BaseTransactionData baseTransactionData, String name) {
+		this(baseTransactionData, name, null);
 	}
 
 	// Getters / setters
@@ -47,4 +59,12 @@ public class CancelSellNameTransactionData extends TransactionData {
 		return this.name;
 	}
 
+	public Long getSalePrice() {
+		return this.salePrice;
+	}
+
+	public void setSalePrice(Long salePrice) {
+		this.salePrice = salePrice;
+	}
+
 }

src/main/java/org/qortal/naming/Name.java

@@ -180,8 +180,12 @@ public class Name {
 	}
 
 	public void cancelSell(CancelSellNameTransactionData cancelSellNameTransactionData) throws DataException {
-		// Mark not for-sale but leave price in case we want to orphan
+		// Update previous sale price in transaction data
+		cancelSellNameTransactionData.setSalePrice(this.nameData.getSalePrice());
+
+		// Mark not for-sale
 		this.nameData.setIsForSale(false);
+		this.nameData.setSalePrice(null);
 
 		// Save sale info into repository
 		this.repository.getNameRepository().save(this.nameData);
@@ -190,6 +194,7 @@ public class Name {
 	public void uncancelSell(CancelSellNameTransactionData cancelSellNameTransactionData) throws DataException {
 		// Mark as for-sale using existing price
 		this.nameData.setIsForSale(true);
+		this.nameData.setSalePrice(cancelSellNameTransactionData.getSalePrice());
 
 		// Save no-sale info into repository
 		this.repository.getNameRepository().save(this.nameData);

src/main/java/org/qortal/network/Network.java

@@ -339,7 +339,7 @@ public class Network {
                 try {
                     if (!isConnected) {
                         // Add this signature to the list of pending requests for this peer
-                        LOGGER.info("Making connection to peer {} to request files for signature {}...", peerAddressString, Base58.encode(signature));
+                        LOGGER.debug("Making connection to peer {} to request files for signature {}...", peerAddressString, Base58.encode(signature));
                         Peer peer = new Peer(peerData);
                         peer.setIsDataPeer(true);
                         peer.addPendingSignatureRequest(signature);

src/main/java/org/qortal/repository/Bootstrap.java

@@ -279,7 +279,9 @@ public class Bootstrap {
 
             LOGGER.info("Generating checksum file...");
             String checksum = Crypto.digestHexString(compressedOutputPath.toFile(), 1024*1024);
+            LOGGER.info("checksum: {}", checksum);
             Path checksumPath = Paths.get(String.format("%s.sha256", compressedOutputPath.toString()));
+            LOGGER.info("Writing checksum to path: {}", checksumPath);
             Files.writeString(checksumPath, checksum, StandardOpenOption.CREATE);
 
             // Return the path to the compressed bootstrap file

src/main/java/org/qortal/repository/hsqldb/HSQLDBChatRepository.java

@@ -177,11 +177,11 @@ public class HSQLDBChatRepository implements ChatRepository {
 
 	private List<GroupChat> getActiveGroupChats(String address) throws DataException {
 		// Find groups where address is a member and potential latest message details
-		String groupsSql = "SELECT group_id, group_name, latest_timestamp, sender, sender_name "
+		String groupsSql = "SELECT group_id, group_name, latest_timestamp, sender, sender_name, signature, data "
 				+ "FROM GroupMembers "
 				+ "JOIN Groups USING (group_id) "
 				+ "LEFT OUTER JOIN LATERAL("
-					+ "SELECT created_when AS latest_timestamp, sender, name AS sender_name "
+					+ "SELECT created_when AS latest_timestamp, sender, name AS sender_name, signature, data "
 					+ "FROM ChatTransactions "
 					+ "JOIN Transactions USING (signature) "
 					+ "LEFT OUTER JOIN Names AS SenderNames ON SenderNames.owner = sender "
@@ -205,8 +205,10 @@ public class HSQLDBChatRepository implements ChatRepository {
 
 					String sender = resultSet.getString(4);
 					String senderName = resultSet.getString(5);
+					byte[] signature = resultSet.getBytes(6);
+					byte[] data = resultSet.getBytes(7);
 
-					GroupChat groupChat = new GroupChat(groupId, groupName, timestamp, sender, senderName);
+					GroupChat groupChat = new GroupChat(groupId, groupName, timestamp, sender, senderName, signature, data);
 					groupChats.add(groupChat);
 				} while (resultSet.next());
 			}
@@ -215,7 +217,7 @@ public class HSQLDBChatRepository implements ChatRepository {
 		}
 
 		// We need different SQL to handle group-less chat
-		String grouplessSql = "SELECT created_when, sender, SenderNames.name "
+		String grouplessSql = "SELECT created_when, sender, SenderNames.name, signature, data "
 				+ "FROM ChatTransactions "
 				+ "JOIN Transactions USING (signature) "
 				+ "LEFT OUTER JOIN Names AS SenderNames ON SenderNames.owner = sender "
@@ -228,15 +230,19 @@ public class HSQLDBChatRepository implements ChatRepository {
 			Long timestamp = null;
 			String sender = null;
 			String senderName = null;
+			byte[] signature = null;
+			byte[] data = null;
 
 			if (resultSet != null) {
 				// We found a recipient-less, group-less CHAT message, so report its details
 				timestamp = resultSet.getLong(1);
 				sender = resultSet.getString(2);
 				senderName = resultSet.getString(3);
+				signature = resultSet.getBytes(4);
+				data = resultSet.getBytes(5);
 			}
 
-			GroupChat groupChat = new GroupChat(0, null, timestamp, sender, senderName);
+			GroupChat groupChat = new GroupChat(0, null, timestamp, sender, senderName, signature, data);
 			groupChats.add(groupChat);
 		} catch (SQLException e) {
 			throw new DataException("Unable to fetch active group chats from repository", e);
@@ -291,4 +297,4 @@ public class HSQLDBChatRepository implements ChatRepository {
 		return directChats;
 	}
 
-}
+}

src/main/java/org/qortal/repository/hsqldb/HSQLDBDatabaseUpdates.java

@@ -988,6 +988,11 @@ public class HSQLDBDatabaseUpdates {
 					stmt.execute("CREATE INDEX ChatTransactionsChatReferenceIndex ON ChatTransactions (chat_reference)");
 					break;
 
+				case 46:
+					// We need to track the sale price when canceling a name sale, so it can be put back when orphaned
+					stmt.execute("ALTER TABLE CancelSellNameTransactions ADD sale_price QortalAmount");
+					break;
+
 				default:
 					// nothing to do
 					return false;

src/main/java/org/qortal/repository/hsqldb/HSQLDBMessageRepository.java

@@ -28,7 +28,6 @@ public class HSQLDBMessageRepository implements MessageRepository {
 		StringBuilder sql = new StringBuilder(1024);
 		sql.append("SELECT signature from MessageTransactions "
 				+ "JOIN Transactions USING (signature) "
-				+ "JOIN BlockTransactions ON transaction_signature = signature "
 				+ "WHERE ");
 
 		List<String> whereClauses = new ArrayList<>();

src/main/java/org/qortal/repository/hsqldb/transaction/HSQLDBCancelSellNameTransactionRepository.java

@@ -17,15 +17,16 @@ public class HSQLDBCancelSellNameTransactionRepository extends HSQLDBTransaction
 	}
 
 	TransactionData fromBase(BaseTransactionData baseTransactionData) throws DataException {
-		String sql = "SELECT name FROM CancelSellNameTransactions WHERE signature = ?";
+		String sql = "SELECT name, sale_price FROM CancelSellNameTransactions WHERE signature = ?";
 
 		try (ResultSet resultSet = this.repository.checkedExecute(sql, baseTransactionData.getSignature())) {
 			if (resultSet == null)
 				return null;
 
 			String name = resultSet.getString(1);
+			Long salePrice = resultSet.getLong(2);
 
-			return new CancelSellNameTransactionData(baseTransactionData, name);
+			return new CancelSellNameTransactionData(baseTransactionData, name, salePrice);
 		} catch (SQLException e) {
 			throw new DataException("Unable to fetch cancel sell name transaction from repository", e);
 		}
@@ -38,7 +39,7 @@ public class HSQLDBCancelSellNameTransactionRepository extends HSQLDBTransaction
 		HSQLDBSaver saveHelper = new HSQLDBSaver("CancelSellNameTransactions");
 
 		saveHelper.bind("signature", cancelSellNameTransactionData.getSignature()).bind("owner", cancelSellNameTransactionData.getOwnerPublicKey()).bind("name",
-				cancelSellNameTransactionData.getName());
+				cancelSellNameTransactionData.getName()).bind("sale_price", cancelSellNameTransactionData.getSalePrice());
 
 		try {
 			saveHelper.execute(this.repository);

src/main/java/org/qortal/transaction/CancelSellNameTransaction.java

@@ -5,6 +5,7 @@ import java.util.List;
 
 import org.qortal.account.Account;
 import org.qortal.asset.Asset;
+import org.qortal.controller.repository.NamesDatabaseIntegrityCheck;
 import org.qortal.data.naming.NameData;
 import org.qortal.data.transaction.CancelSellNameTransactionData;
 import org.qortal.data.transaction.TransactionData;
@@ -81,7 +82,13 @@ public class CancelSellNameTransaction extends Transaction {
 
 	@Override
 	public void preProcess() throws DataException {
-		// Nothing to do
+		CancelSellNameTransactionData cancelSellNameTransactionData = (CancelSellNameTransactionData) transactionData;
+
+		// Rebuild this name in the Names table from the transaction history
+		// This is necessary because in some rare cases names can be missing from the Names table after registration
+		// but we have been unable to reproduce the issue and track down the root cause
+		NamesDatabaseIntegrityCheck namesDatabaseIntegrityCheck = new NamesDatabaseIntegrityCheck();
+		namesDatabaseIntegrityCheck.rebuildName(cancelSellNameTransactionData.getName(), this.repository);
 	}
 
 	@Override

src/main/resources/blockchain.json

@@ -88,7 +88,7 @@
 		"chatReferenceTimestamp": 1674316800000
 	},
 	"checkpoints": [
-		{ "height": 1131800, "signature": "EpRam4PLdKzULMp7xNU7XG964AKfioG3g1k7cxwxWXnXspPwnjfF6UncEz4feuSA9mr1vW5d3YQPGruXYjj4vciSh4SPj5iWRxkHRWFeRpQnmVUyaVumuBTwM8nnLKJTdtkZnd6d8Mc5mVFdHs6EwLBTY4HECoRcbo4e4FwkfqVon4M" }
+		{ "height": 1136300, "signature": "3BbwawEF2uN8Ni5ofpJXkukoU8ctAPxYoFB7whq9pKfBnjfZcpfEJT4R95NvBDoTP8WDyWvsUvbfHbcr9qSZuYpSKZjUQTvdFf6eqznHGEwhZApWfvXu6zjGCxYCp65F4jsVYYJjkzbjmkCg5WAwN5voudngA23kMK6PpTNygapCzXt" }
 	],
 	"genesisInfo": {
 		"version": 4,

src/main/resources/i18n/ApiError_pl.properties

@@ -0,0 +1,83 @@
+#Generated by ResourceBundle Editor (http://essiembre.github.io/eclipse-rbe/)
+# Keys are from api.ApiError enum
+
+# "localeLang": "pl",
+
+### Common ###
+JSON = nie udało się przetworzyć wiadomości JSON
+
+INSUFFICIENT_BALANCE = niedostateczne środki
+
+UNAUTHORIZED = nieautoryzowane połączenie API
+
+REPOSITORY_ISSUE = błąd repozytorium
+
+NON_PRODUCTION = to wywołanie API nie jest dozwolone dla systemów produkcyjnych
+
+BLOCKCHAIN_NEEDS_SYNC = blockchain musi się najpierw zsynchronizować
+
+NO_TIME_SYNC = zegar się jeszcze nie zsynchronizował
+
+### Validation ###
+INVALID_SIGNATURE = nieprawidłowa sygnatura
+
+INVALID_ADDRESS = nieprawidłowy adres
+
+INVALID_PUBLIC_KEY = nieprawidłowy klucz publiczny
+
+INVALID_DATA = nieprawidłowe dane
+
+INVALID_NETWORK_ADDRESS = nieprawidłowy adres sieci
+
+ADDRESS_UNKNOWN = nieznany adres konta
+
+INVALID_CRITERIA = nieprawidłowe kryteria wyszukiwania
+
+INVALID_REFERENCE = nieprawidłowe skierowanie
+
+TRANSFORMATION_ERROR = nie udało się przekształcić JSON w transakcję
+
+INVALID_PRIVATE_KEY = klucz prywatny jest niepoprawny
+
+INVALID_HEIGHT = nieprawidłowa wysokość bloku
+
+CANNOT_MINT = konto nie możne bić monet
+
+### Blocks ###
+BLOCK_UNKNOWN = blok nieznany
+
+### Transactions ###
+TRANSACTION_UNKNOWN = nieznana transakcja
+
+PUBLIC_KEY_NOT_FOUND = nie znaleziono klucza publicznego
+
+# this one is special in that caller expected to pass two additional strings, hence the two %s
+TRANSACTION_INVALID = transakcja nieważna: %s (%s)
+
+### Naming ###
+NAME_UNKNOWN = nazwa nieznana
+
+### Asset ###
+INVALID_ASSET_ID = nieprawidłowy identyfikator aktywy
+
+INVALID_ORDER_ID = nieprawidłowy identyfikator zlecenia aktywy
+
+ORDER_UNKNOWN = nieznany identyfikator zlecenia aktywy
+
+### Groups ###
+GROUP_UNKNOWN = nieznana grupa
+
+### Foreign Blockchain ###
+FOREIGN_BLOCKCHAIN_NETWORK_ISSUE = obcy blockchain lub problem z siecią ElectrumX
+
+FOREIGN_BLOCKCHAIN_BALANCE_ISSUE = niewystarczające środki na obcym blockchainie
+
+FOREIGN_BLOCKCHAIN_TOO_SOON = zbyt wczesne nadawanie transakcji na obcym blockchainie (okres karencji/średni czas bloku)
+
+### Trade Portal ###
+ORDER_SIZE_TOO_SMALL = zbyt niska kwota zlecenia
+
+### Data ###
+FILE_NOT_FOUND = plik nie został znaleziony
+
+NO_REPLY = peer nie odpowiedział w wyznaczonym czasie

src/main/resources/i18n/ApiError_ru.properties

@@ -16,7 +16,7 @@ NON_PRODUCTION = этот вызов API не разрешен для произ
 
 BLOCKCHAIN_NEEDS_SYNC = блокчейн должен сначала синхронизироваться
 
-NO_TIME_SYNC = пока нет синхронизации часов
+NO_TIME_SYNC = время не синхронизировано
 
 ### Validation ###
 INVALID_SIGNATURE = недействительная подпись
@@ -72,7 +72,7 @@ FOREIGN_BLOCKCHAIN_NETWORK_ISSUE = проблема с внешним блокч
 
 FOREIGN_BLOCKCHAIN_BALANCE_ISSUE = недостаточный баланс на внешнем блокчейне
 
-FOREIGN_BLOCKCHAIN_TOO_SOON = слишком рано для трансляции транзакции во внений блокчей (время блокировки/среднее время блока)
+FOREIGN_BLOCKCHAIN_TOO_SOON = слишком рано для трансляции транзакции во внешний блокчей (время блокировки/среднее время блока)
 
 ### Trade Portal ###
 ORDER_SIZE_TOO_SMALL = слишком маленькая сумма ордера
@@ -80,4 +80,4 @@ ORDER_SIZE_TOO_SMALL = слишком маленькая сумма ордера
 ### Data ###
 FILE_NOT_FOUND = файл не найден
 
-NO_REPLY = узел не ответил данными
+NO_REPLY = нет ответа

src/main/resources/i18n/SysTray_de.properties

@@ -5,11 +5,11 @@ APPLYING_UPDATE_AND_RESTARTING = Automatisches Update anwenden und neu starten
 
 AUTO_UPDATE = Automatisches Update
 
-BLOCK_HEIGHT = height
+BLOCK_HEIGHT = Blockhöhe
 
 BLOCKS_REMAINING = blocks remaining
 
-BUILD_VERSION = Build-Version
+BUILD_VERSION = Entwicklungs-Version
 
 CHECK_TIME_ACCURACY = Prüfe Zeitgenauigkeit
 
@@ -23,7 +23,7 @@ CREATING_BACKUP_OF_DB_FILES = Erstellen Backup von Datenbank Dateien …
 
 DB_BACKUP = Datenbank Backup
 
-DB_CHECKPOINT = Datenbank Kontrollpunkt
+DB_CHECKPOINT = Datenbank Check
 
 DB_MAINTENANCE = Datenbank Instandhaltung
 
@@ -31,18 +31,18 @@ EXIT = Verlassen
 
 LITE_NODE = Lite node
 
-MINTING_DISABLED = NOT minting
+MINTING_DISABLED = Kein minting
 
-MINTING_ENABLED = \u2714 Minting
+MINTING_ENABLED = \u2714 Minting aktiviert 
 
 OPEN_UI = Öffne UI
 
-PERFORMING_DB_CHECKPOINT = Speichern nicht übergebener Datenbank Änderungen …
+PERFORMING_DB_CHECKPOINT = Speichern von unbestätigten Datenbankänderungen...
 
 PERFORMING_DB_MAINTENANCE = Planmäßige Wartung durchführen...
 
 SYNCHRONIZE_CLOCK = Synchronisiere Uhr
 
-SYNCHRONIZING_BLOCKCHAIN = Synchronisierung
+SYNCHRONIZING_BLOCKCHAIN = Synchronisierung der Blockchain
 
-SYNCHRONIZING_CLOCK = Synchronisierung Uhr
+SYNCHRONIZING_CLOCK = Synchronisierung der Uhr

src/main/resources/i18n/SysTray_pl.properties

@@ -0,0 +1,46 @@
+#Generated by ResourceBundle Editor (http://essiembre.github.io/eclipse-rbe/)
+# SysTray pop-up menu
+
+APPLYING_UPDATE_AND_RESTARTING = Zastosowanie automatycznej aktualizacji i ponowne uruchomienie...
+
+AUTO_UPDATE = Automatyczna aktualizacja
+
+BLOCK_HEIGHT = wysokość
+
+BUILD_VERSION = Wersja kompilacji
+
+CHECK_TIME_ACCURACY = Sprawdz dokładność czasu
+
+CONNECTING = Łączenie
+
+CONNECTION = połączenie
+
+CONNECTIONS = połączenia
+
+CREATING_BACKUP_OF_DB_FILES = Tworzenie kopii zapasowej plików bazy danych...
+
+DB_BACKUP = Kopia zapasowa bazy danych
+
+DB_CHECKPOINT = Punkt kontrolny bazy danych...
+
+DB_MAINTENANCE = Konserwacja bazy danych
+
+EXIT = Zakończ
+
+LITE_NODE = Lite node
+
+MINTING_DISABLED = Mennica zamknięta
+
+MINTING_ENABLED = \u2714 Mennica aktywna
+
+OPEN_UI = Otwórz interfejs użytkownika
+
+PERFORMING_DB_CHECKPOINT = Zapisywanie niezaksięgowanych zmian w bazie danych...
+
+PERFORMING_DB_MAINTENANCE = Performing scheduled maintenance...
+
+SYNCHRONIZE_CLOCK = Synchronizuj zegar
+
+SYNCHRONIZING_BLOCKCHAIN = Synchronizacja
+
+SYNCHRONIZING_CLOCK = Synchronizacja zegara

src/main/resources/i18n/SysTray_ru.properties

@@ -1,7 +1,7 @@
 #Generated by ResourceBundle Editor (http://essiembre.github.io/eclipse-rbe/)
 # SysTray pop-up menu
 
-APPLYING_UPDATE_AND_RESTARTING = Применение автоматического обновления и перезапуска...
+APPLYING_UPDATE_AND_RESTARTING = Применение автоматического обновления и перезапуск...
 
 AUTO_UPDATE = Автоматическое обновление
 

src/main/resources/i18n/TransactionValidity_de.properties

@@ -0,0 +1,195 @@
+#
+
+ACCOUNT_ALREADY_EXISTS = Account existiert bereits
+
+ACCOUNT_CANNOT_REWARD_SHARE = Account kann keine Belohnung teilen
+
+ADDRESS_ABOVE_RATE_LIMIT = address hat das angegebene Geschwindigkeitlimit erreicht 
+
+ADDRESS_BLOCKED =  Addresse ist geblockt
+
+ALREADY_GROUP_ADMIN = bereits Gruppen Admin
+
+ALREADY_GROUP_MEMBER = bereits Gruppen Mitglied
+
+ALREADY_VOTED_FOR_THAT_OPTION = bereits für diese Option gestimmt
+
+ASSET_ALREADY_EXISTS = asset existiert bereits
+
+ASSET_DOES_NOT_EXIST = asset nicht gefunden 
+
+ASSET_DOES_NOT_MATCH_AT = asset passt nicht mit AT's asset
+
+ASSET_NOT_SPENDABLE = asset ist nicht ausgabefähig
+
+AT_ALREADY_EXISTS = AT existiert bereits
+
+AT_IS_FINISHED = AT ist fertig 
+
+AT_UNKNOWN = AT unbekannt 
+
+BAN_EXISTS = ban besteht bereits
+
+BAN_UNKNOWN = ban unbekannt
+
+BANNED_FROM_GROUP = von der gruppe gebannt
+
+BUYER_ALREADY_OWNER = Käufer ist bereits Besitzer 
+
+CLOCK_NOT_SYNCED = Uhr nicht synchronisiert
+
+DUPLICATE_MESSAGE = Adresse sendete doppelte Nachricht
+
+DUPLICATE_OPTION = Duplizierungsmöglichkeit
+
+GROUP_ALREADY_EXISTS = Gruppe besteht bereits
+
+GROUP_APPROVAL_DECIDED = Gruppenfreigabe bereits beschlossen
+
+GROUP_APPROVAL_NOT_REQUIRED = Gruppenfreigabe nicht erforderlich
+
+GROUP_DOES_NOT_EXIST = Gruppe nicht vorhanden
+
+GROUP_ID_MISMATCH = Gruppen-ID stimmt nicht überein
+
+GROUP_OWNER_CANNOT_LEAVE = Gruppenbesitzer kann Gruppe nicht verlassen
+
+HAVE_EQUALS_WANT = das bessesene-asset ist das selbe wie das gesuchte-asset
+
+INCORRECT_NONCE = falsche PoW-Nonce
+
+INSUFFICIENT_FEE = unzureichende Gebühr
+
+INVALID_ADDRESS = ungültige Adresse
+
+INVALID_AMOUNT = ungültiger Betrag
+
+INVALID_ASSET_OWNER = Ungültiger Eigentümer
+
+INVALID_AT_TRANSACTION = ungültige AT-Transaktion
+
+INVALID_AT_TYPE_LENGTH = ungültige AT 'Typ' Länge
+
+INVALID_BUT_OK = ungültig aber OK
+
+INVALID_CREATION_BYTES = ungültige Erstellungs der bytes
+
+INVALID_DATA_LENGTH = ungültige Datenlänge
+
+INVALID_DESCRIPTION_LENGTH = ungültige Länge der Beschreibung
+
+INVALID_GROUP_APPROVAL_THRESHOLD = ungültiger Schwellenwert für die Gruppenzulassung
+
+INVALID_GROUP_BLOCK_DELAY = Ungültige Blockverzögerung der Gruppenfreigabe
+
+INVALID_GROUP_ID = ungültige Gruppen-ID
+
+INVALID_GROUP_OWNER = ungültiger Gruppenbesitzer
+
+INVALID_LIFETIME = unzulässige Lebensdauer
+
+INVALID_NAME_LENGTH = ungültige Namenslänge
+
+INVALID_NAME_OWNER = ungültiger Besitzername 
+
+INVALID_OPTION_LENGTH = ungültige Länge der Optionen
+
+INVALID_OPTIONS_COUNT = Anzahl ungültiger Optionen
+
+INVALID_ORDER_CREATOR = ungültiger Auftragsersteller
+
+INVALID_PAYMENTS_COUNT = Anzahl ungültiger Zahlungen
+
+INVALID_PUBLIC_KEY = ungültiger öffentlicher Schlüssel
+
+INVALID_QUANTITY = unzulässige Menge
+
+INVALID_REFERENCE = ungültige Referenz
+
+INVALID_RETURN = ungültige Rückgabe
+
+INVALID_REWARD_SHARE_PERCENT = ungültig Prozent der Belohnunganteile 
+
+INVALID_SELLER = unzulässiger Verkäufer
+
+INVALID_TAGS_LENGTH = ungültige 'tags'-Länge
+
+INVALID_TIMESTAMP_SIGNATURE = Ungültige Zeitstempel-Signatur
+
+INVALID_TX_GROUP_ID = Ungültige Transaktionsgruppen-ID
+
+INVALID_VALUE_LENGTH = ungültige 'Wert'-Länge
+
+INVITE_UNKNOWN = Gruppeneinladung unbekannt
+
+JOIN_REQUEST_EXISTS = Gruppeneinladung existiert bereits
+
+MAXIMUM_REWARD_SHARES = die maximale Anzahl von Reward-Shares für dieses Konto erreicht
+
+MISSING_CREATOR = fehlender Ersteller
+
+MULTIPLE_NAMES_FORBIDDEN = mehrere registrierte Namen pro Konto sind untersagt
+
+NAME_ALREADY_FOR_SALE = Name bereits zum Verkauf
+
+NAME_ALREADY_REGISTERED = Name bereits registriert
+
+NAME_BLOCKED = Name geblockt
+
+NAME_DOES_NOT_EXIST = Name nicht vorhanden
+
+NAME_NOT_FOR_SALE = Name ist unverkäuflich
+
+NAME_NOT_NORMALIZED = Name nicht in Unicode-'normalisierter' Form
+
+NEGATIVE_AMOUNT = ungültiger/negativer Betrag
+
+NEGATIVE_FEE = ungültige/negative Gebühr
+
+NEGATIVE_PRICE = ungültiger/negativer Preis
+
+NO_BALANCE = unzureichendes Guthaben
+
+NO_BLOCKCHAIN_LOCK = die Blockchain des Knotens ist beschäftigt
+
+NO_FLAG_PERMISSION = Konto hat diese Berechtigung nicht
+
+NOT_GROUP_ADMIN = Account ist kein Gruppenadmin
+
+NOT_GROUP_MEMBER = Account kein Gruppenmitglied 
+
+NOT_MINTING_ACCOUNT = Account kann nicht minten
+
+NOT_YET_RELEASED = Funktion noch nicht freigegeben
+
+OK = OK
+
+ORDER_ALREADY_CLOSED = Asset Trade Order ist bereits geschlossen
+
+ORDER_DOES_NOT_EXIST = asset trade order existiert nicht
+
+POLL_ALREADY_EXISTS = Umfrage bereits vorhanden
+
+POLL_DOES_NOT_EXIST = Umfrage nicht vorhanden
+
+POLL_OPTION_DOES_NOT_EXIST = Umfrageoption existiert nicht
+
+PUBLIC_KEY_UNKNOWN = öffentlicher Schlüssel unbekannt
+
+REWARD_SHARE_UNKNOWN = Geteilte Belohnungen unbekant
+
+SELF_SHARE_EXISTS = Selbstbeteiligung (Geteilte Belohnungen) sind breits vorhanden
+
+TIMESTAMP_TOO_NEW = Zeitstempel zu neu
+
+TIMESTAMP_TOO_OLD = Zeitstempel zu alt
+
+TOO_MANY_UNCONFIRMED = Account hat zu viele unbestätigte Transaktionen am laufen
+
+TRANSACTION_ALREADY_CONFIRMED = Transaktionen sind bereits bestätigt
+
+TRANSACTION_ALREADY_EXISTS = Transaktionen existiert bereits
+
+TRANSACTION_UNKNOWN = Unbekante Transaktion
+
+TX_GROUP_ID_MISMATCH = Transaktion Gruppen ID stimmt nicht überein

src/main/resources/i18n/TransactionValidity_pl.properties

@@ -0,0 +1,196 @@
+#
+
+ACCOUNT_ALREADY_EXISTS = konto już istnieje
+
+ACCOUNT_CANNOT_REWARD_SHARE = konto nie może udostępniać nagród
+
+ADDRESS_ABOVE_RATE_LIMIT = adres osiągnął określony limit stawki
+
+ADDRESS_BLOCKED = ten adres jest zablokowany
+
+ALREADY_GROUP_ADMIN = już adminem grupy
+
+ALREADY_GROUP_MEMBER = już członkiem grupy
+
+ALREADY_VOTED_FOR_THAT_OPTION = już zagłosowano na ta opcje
+
+ASSET_ALREADY_EXISTS = aktywa już istnieje
+
+ASSET_DOES_NOT_EXIST = aktywa nie istnieje
+
+ASSET_DOES_NOT_MATCH_AT = aktywa nie pasuje do aktywy AT
+
+ASSET_NOT_SPENDABLE = aktywa nie jest rozporządzalna
+
+AT_ALREADY_EXISTS = AT już istnieje
+
+AT_IS_FINISHED = AT zakończył
+
+AT_UNKNOWN = AT nieznany
+
+BAN_EXISTS = ban już istnieje
+
+BAN_UNKNOWN = ban nieznany
+
+BANNED_FROM_GROUP = zbanowany z grupy
+
+BUYER_ALREADY_OWNER = kupca jest już właścicielem
+
+CLOCK_NOT_SYNCED = zegar nie zsynchronizowany
+
+DUPLICATE_MESSAGE = adres wysłał duplikat wiadomości
+
+DUPLICATE_OPTION = duplikat opcji
+
+GROUP_ALREADY_EXISTS = grupa już istnieje
+
+GROUP_APPROVAL_DECIDED = zatwierdzenie grupy już zdecydowano
+
+GROUP_APPROVAL_NOT_REQUIRED = zatwierdzenie grupy nie jest wymagane
+
+GROUP_DOES_NOT_EXIST = grupa nie istnieje
+
+GROUP_ID_MISMATCH = niedopasowanie identyfikatora grupy
+
+GROUP_OWNER_CANNOT_LEAVE = właściciel grupy nie może opuścić grupy
+
+HAVE_EQUALS_WANT = posiadana aktywa równa się chcianej aktywie
+
+INCORRECT_NONCE = nieprawidłowy nonce PoW
+
+INSUFFICIENT_FEE = niewystarczająca opłata
+
+INVALID_ADDRESS = nieprawidłowy adres
+
+INVALID_AMOUNT = nieprawidłowa kwota
+
+INVALID_ASSET_OWNER = nieprawidłowy właściciel aktywów
+
+INVALID_AT_TRANSACTION = nieważna transakcja AT
+
+INVALID_AT_TYPE_LENGTH = nieprawidłowa długość typu AT
+
+INVALID_BUT_OK = nieważne, ale OK
+
+INVALID_CREATION_BYTES = nieprawidłowe bajty tworzenia
+
+INVALID_DATA_LENGTH = nieprawidłowa długość danych
+
+INVALID_DESCRIPTION_LENGTH = nieprawidłowa długość opisu
+
+INVALID_GROUP_APPROVAL_THRESHOLD = nieprawidłowy próg zatwierdzenia grupy
+
+INVALID_GROUP_BLOCK_DELAY = nieprawidłowe opóźnienie bloku zatwierdzenia grupy
+
+INVALID_GROUP_ID = nieprawidłowy identyfikator grupy
+
+INVALID_GROUP_OWNER = nieprawidłowy właściciel grupy
+
+INVALID_LIFETIME = nieprawidłowy czas istnienia
+
+INVALID_NAME_LENGTH = nieprawidłowa długość nazwy
+
+INVALID_NAME_OWNER = nieprawidłowy właściciel nazwy
+
+INVALID_OPTION_LENGTH = nieprawidłowa długość opcji
+
+INVALID_OPTIONS_COUNT = nieprawidłowa liczba opcji
+
+INVALID_ORDER_CREATOR = nieprawidłowy twórca zlecenia
+
+INVALID_PAYMENTS_COUNT = nieprawidłowa liczba płatności
+
+INVALID_PUBLIC_KEY = nieprawidłowy klucz publiczny
+
+INVALID_QUANTITY = nieprawidłowa ilość
+
+INVALID_REFERENCE = nieprawidłowe skierowanie
+
+INVALID_RETURN = nieprawidłowy zwrot
+
+INVALID_REWARD_SHARE_PERCENT = nieprawidłowy procent udziału w nagrodzie
+
+INVALID_SELLER = nieprawidłowy sprzedawca
+
+INVALID_TAGS_LENGTH = nieprawidłowa długość tagów
+
+INVALID_TIMESTAMP_SIGNATURE = nieprawidłowa sygnatura znacznika czasu
+
+INVALID_TX_GROUP_ID = nieprawidłowy identyfikator grupy transakcji
+
+INVALID_VALUE_LENGTH = nieprawidłowa długość wartości
+
+INVITE_UNKNOWN = zaproszenie do grupy nieznane
+
+JOIN_REQUEST_EXISTS = wniosek o dołączenie do grupy już istnieje
+
+MAXIMUM_REWARD_SHARES = osiągnięto już maksymalną liczbę udziałów w nagrodzie dla tego konta
+
+MISSING_CREATOR = brak twórcy
+
+MULTIPLE_NAMES_FORBIDDEN = zabronione jest używanie wielu nazw na jednym koncie
+
+NAME_ALREADY_FOR_SALE = nazwa już wystawiona na sprzedaż
+
+NAME_ALREADY_REGISTERED = nazwa już zarejestrowana
+
+NAME_BLOCKED = ta nazwa jest zablokowana
+
+NAME_DOES_NOT_EXIST = nazwa nie istnieje
+
+NAME_NOT_FOR_SALE = nazwa nie jest przeznaczona do sprzedaży
+
+NAME_NOT_NORMALIZED = nazwa nie jest w formie 'znormalizowanej' Unicode
+
+NEGATIVE_AMOUNT = nieprawidłowa/ujemna kwota
+
+NEGATIVE_FEE = nieprawidłowa/ujemna opłata
+
+NEGATIVE_PRICE = nieprawidłowa/ujemna cena
+
+NO_BALANCE = niewystarczające środki
+
+NO_BLOCKCHAIN_LOCK = węzeł blockchain jest obecnie zajęty
+
+NO_FLAG_PERMISSION = konto nie ma tego uprawnienia
+
+NOT_GROUP_ADMIN = konto nie jest adminem grupy
+
+NOT_GROUP_MEMBER = konto nie jest członkiem grupy
+
+NOT_MINTING_ACCOUNT = konto nie może bić monet
+
+NOT_YET_RELEASED = funkcja nie została jeszcze udostępniona
+
+OK = OK
+
+ORDER_ALREADY_CLOSED = zlecenie handlu aktywami jest już zakończone
+
+ORDER_DOES_NOT_EXIST = zlecenie sprzedaży aktywów nie istnieje
+
+POLL_ALREADY_EXISTS = ankieta już istnieje
+
+POLL_DOES_NOT_EXIST = ankieta nie istnieje
+
+POLL_OPTION_DOES_NOT_EXIST = opcja ankiety nie istnieje
+
+PUBLIC_KEY_UNKNOWN = klucz publiczny nieznany
+
+REWARD_SHARE_UNKNOWN = nieznany udział w nagrodzie
+
+SELF_SHARE_EXISTS = samoudział (udział w nagrodzie) już istnieje
+
+TIMESTAMP_TOO_NEW = zbyt nowy znacznik czasu
+
+TIMESTAMP_TOO_OLD = zbyt stary znacznik czasu
+
+TOO_MANY_UNCONFIRMED = rachunek ma zbyt wiele niepotwierdzonych transakcji w toku
+
+TRANSACTION_ALREADY_CONFIRMED = transakcja została już potwierdzona
+
+TRANSACTION_ALREADY_EXISTS = transakcja już istnieje
+
+TRANSACTION_UNKNOWN = transakcja nieznana
+
+TX_GROUP_ID_MISMATCH = niezgodność ID grupy transakcji
+

src/test/java/org/qortal/test/api/BlockApiTests.java

@@ -84,7 +84,7 @@ public class BlockApiTests extends ApiCommon {
 
 	@Test
 	public void testGetBlockRange() {
-		assertNotNull(this.blocksResource.getBlockRange(1, 1));
+		assertNotNull(this.blocksResource.getBlockRange(1, 1, false, false));
 
 		List<Integer> testValues = Arrays.asList(null, Integer.valueOf(1));
 

src/test/java/org/qortal/test/arbitrary/ArbitraryServiceTests.java

@@ -1,11 +1,26 @@
 package org.qortal.test.arbitrary;
 
+import org.apache.commons.lang3.reflect.FieldUtils;
 import org.junit.Before;
 import org.junit.Test;
+import org.qortal.account.PrivateKeyAccount;
+import org.qortal.arbitrary.ArbitraryDataFile;
+import org.qortal.arbitrary.ArbitraryDataReader;
+import org.qortal.arbitrary.exception.MissingDataException;
 import org.qortal.arbitrary.misc.Service;
 import org.qortal.arbitrary.misc.Service.ValidationResult;
+import org.qortal.controller.arbitrary.ArbitraryDataManager;
+import org.qortal.data.transaction.ArbitraryTransactionData;
+import org.qortal.data.transaction.RegisterNameTransactionData;
 import org.qortal.repository.DataException;
+import org.qortal.repository.Repository;
+import org.qortal.repository.RepositoryManager;
+import org.qortal.test.common.ArbitraryUtils;
 import org.qortal.test.common.Common;
+import org.qortal.test.common.TransactionUtils;
+import org.qortal.test.common.transaction.TestTransaction;
+import org.qortal.transaction.RegisterNameTransaction;
+import org.qortal.utils.Base58;
 
 import java.io.IOException;
 import java.nio.file.Files;
@@ -117,10 +132,27 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.GIF_REPOSITORY;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.OK, service.validate(path));
     }
 
+    @Test
+    public void testValidateSingleFileGifRepository() throws IOException {
+        // Generate some random data
+        byte[] data = new byte[1024];
+        new Random().nextBytes(data);
+
+        // Write the data to a single file in a temp path
+        Path path = Files.createTempDirectory("testValidateSingleFileGifRepository");
+        path.toFile().deleteOnExit();
+        Path imagePath = Paths.get(path.toString(), "image1.gif");
+        Files.write(imagePath, data, StandardOpenOption.CREATE);
+
+        Service service = Service.GIF_REPOSITORY;
+        assertTrue(service.isValidationRequired());
+
+        assertEquals(ValidationResult.OK, service.validate(imagePath));
+    }
+
     @Test
     public void testValidateMultiLayerGifRepository() throws IOException {
         // Generate some random data
@@ -140,7 +172,6 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.GIF_REPOSITORY;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.DIRECTORIES_NOT_ALLOWED, service.validate(path));
     }
 
@@ -151,7 +182,6 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.GIF_REPOSITORY;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.MISSING_DATA, service.validate(path));
     }
 
@@ -171,17 +201,58 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.GIF_REPOSITORY;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.INVALID_FILE_EXTENSION, service.validate(path));
     }
 
+    @Test
+    public void testValidatePublishedGifRepository() throws IOException, DataException, MissingDataException, IllegalAccessException {
+        try (final Repository repository = RepositoryManager.getRepository()) {
+
+            // Generate some random data
+            byte[] data = new byte[1024];
+            new Random().nextBytes(data);
+
+            // Write the data to several files in a temp path
+            Path path = Files.createTempDirectory("testValidateGifRepository");
+            path.toFile().deleteOnExit();
+            Files.write(Paths.get(path.toString(), "image1.gif"), data, StandardOpenOption.CREATE);
+            Files.write(Paths.get(path.toString(), "image2.gif"), data, StandardOpenOption.CREATE);
+            Files.write(Paths.get(path.toString(), "image3.gif"), data, StandardOpenOption.CREATE);
+
+            Service service = Service.GIF_REPOSITORY;
+            assertTrue(service.isValidationRequired());
+
+            assertEquals(ValidationResult.OK, service.validate(path));
+
+            PrivateKeyAccount alice = Common.getTestAccount(repository, "alice");
+            String publicKey58 = Base58.encode(alice.getPublicKey());
+            String name = "TEST"; // Can be anything for this test
+            String identifier = "test_identifier";
+
+            // Register the name to Alice
+            RegisterNameTransactionData transactionData = new RegisterNameTransactionData(TestTransaction.generateBase(alice), name, "");
+            transactionData.setFee(new RegisterNameTransaction(null, null).getUnitFee(transactionData.getTimestamp()));
+            TransactionUtils.signAndMint(repository, transactionData, alice);
+
+            // Set difficulty to 1
+            FieldUtils.writeField(ArbitraryDataManager.getInstance(), "powDifficulty", 1, true);
+
+            // Create PUT transaction
+            ArbitraryUtils.createAndMintTxn(repository, publicKey58, path, name, identifier, ArbitraryTransactionData.Method.PUT, service, alice);
+
+            // Build the latest data state for this name, and no exceptions should be thrown because validation passes
+            ArbitraryDataReader arbitraryDataReader1a = new ArbitraryDataReader(name, ArbitraryDataFile.ResourceIdType.NAME, service, identifier);
+            arbitraryDataReader1a.loadSynchronously(true);
+        }
+    }
+
     @Test
     public void testValidateQChatAttachment() throws IOException {
         // Generate some random data
         byte[] data = new byte[1024];
         new Random().nextBytes(data);
 
-        // Write the data to several files in a temp path
+        // Write the data a single file in a temp path
         Path path = Files.createTempDirectory("testValidateQChatAttachment");
         path.toFile().deleteOnExit();
         Files.write(Paths.get(path.toString(), "document.pdf"), data, StandardOpenOption.CREATE);
@@ -189,17 +260,34 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.QCHAT_ATTACHMENT;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.OK, service.validate(path));
     }
 
+    @Test
+    public void testValidateSingleFileQChatAttachment() throws IOException {
+        // Generate some random data
+        byte[] data = new byte[1024];
+        new Random().nextBytes(data);
+
+        // Write the data a single file in a temp path
+        Path path = Files.createTempDirectory("testValidateSingleFileQChatAttachment");
+        path.toFile().deleteOnExit();
+        Path filePath = Paths.get(path.toString(), "document.pdf");
+        Files.write(filePath, data, StandardOpenOption.CREATE);
+
+        Service service = Service.QCHAT_ATTACHMENT;
+        assertTrue(service.isValidationRequired());
+
+        assertEquals(ValidationResult.OK, service.validate(filePath));
+    }
+
     @Test
     public void testValidateInvalidQChatAttachmentFileExtension() throws IOException {
         // Generate some random data
         byte[] data = new byte[1024];
         new Random().nextBytes(data);
 
-        // Write the data to several files in a temp path
+        // Write the data a single file in a temp path
         Path path = Files.createTempDirectory("testValidateInvalidQChatAttachmentFileExtension");
         path.toFile().deleteOnExit();
         Files.write(Paths.get(path.toString(), "application.exe"), data, StandardOpenOption.CREATE);
@@ -207,7 +295,6 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.QCHAT_ATTACHMENT;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.INVALID_FILE_EXTENSION, service.validate(path));
     }
 
@@ -218,7 +305,6 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.QCHAT_ATTACHMENT;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.INVALID_FILE_COUNT, service.validate(path));
     }
 
@@ -241,7 +327,6 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.QCHAT_ATTACHMENT;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.DIRECTORIES_NOT_ALLOWED, service.validate(path));
     }
 
@@ -260,8 +345,48 @@ public class ArbitraryServiceTests extends Common {
         Service service = Service.QCHAT_ATTACHMENT;
         assertTrue(service.isValidationRequired());
 
-        // There is an index file in the root
         assertEquals(ValidationResult.INVALID_FILE_COUNT, service.validate(path));
     }
 
+    @Test
+    public void testValidatePublishedQChatAttachment() throws IOException, DataException, MissingDataException, IllegalAccessException {
+        try (final Repository repository = RepositoryManager.getRepository()) {
+
+            // Generate some random data
+            byte[] data = new byte[1024];
+            new Random().nextBytes(data);
+
+            // Write the data a single file in a temp path
+            Path path = Files.createTempDirectory("testValidateSingleFileQChatAttachment");
+            path.toFile().deleteOnExit();
+            Path filePath = Paths.get(path.toString(), "document.pdf");
+            Files.write(filePath, data, StandardOpenOption.CREATE);
+
+            Service service = Service.QCHAT_ATTACHMENT;
+            assertTrue(service.isValidationRequired());
+
+            assertEquals(ValidationResult.OK, service.validate(filePath));
+
+            PrivateKeyAccount alice = Common.getTestAccount(repository, "alice");
+            String publicKey58 = Base58.encode(alice.getPublicKey());
+            String name = "TEST"; // Can be anything for this test
+            String identifier = "test_identifier";
+
+            // Register the name to Alice
+            RegisterNameTransactionData transactionData = new RegisterNameTransactionData(TestTransaction.generateBase(alice), name, "");
+            transactionData.setFee(new RegisterNameTransaction(null, null).getUnitFee(transactionData.getTimestamp()));
+            TransactionUtils.signAndMint(repository, transactionData, alice);
+
+            // Set difficulty to 1
+            FieldUtils.writeField(ArbitraryDataManager.getInstance(), "powDifficulty", 1, true);
+
+            // Create PUT transaction
+            ArbitraryUtils.createAndMintTxn(repository, publicKey58, filePath, name, identifier, ArbitraryTransactionData.Method.PUT, service, alice);
+
+            // Build the latest data state for this name, and no exceptions should be thrown because validation passes
+            ArbitraryDataReader arbitraryDataReader1a = new ArbitraryDataReader(name, ArbitraryDataFile.ResourceIdType.NAME, service, identifier);
+            arbitraryDataReader1a.loadSynchronously(true);
+        }
+    }
+
 }

src/test/java/org/qortal/test/arbitrary/ArbitraryTransactionMetadataTests.java

@@ -12,6 +12,7 @@ import org.qortal.arbitrary.exception.MissingDataException;
 import org.qortal.arbitrary.misc.Category;
 import org.qortal.arbitrary.misc.Service;
 import org.qortal.controller.arbitrary.ArbitraryDataManager;
+import org.qortal.data.arbitrary.ArbitraryResourceMetadata;
 import org.qortal.data.transaction.ArbitraryTransactionData;
 import org.qortal.data.transaction.RegisterNameTransactionData;
 import org.qortal.repository.DataException;
@@ -25,9 +26,13 @@ import org.qortal.transaction.RegisterNameTransaction;
 import org.qortal.utils.Base58;
 
 import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Random;
 
 import static org.junit.Assert.*;
 
@@ -279,6 +284,94 @@ public class ArbitraryTransactionMetadataTests extends Common {
         }
     }
 
+    @Test
+    public void testSingleFileList() throws DataException, IOException, MissingDataException {
+        try (final Repository repository = RepositoryManager.getRepository()) {
+            PrivateKeyAccount alice = Common.getTestAccount(repository, "alice");
+            String publicKey58 = Base58.encode(alice.getPublicKey());
+            String name = "TEST"; // Can be anything for this test
+            String identifier = null; // Not used for this test
+            Service service = Service.ARBITRARY_DATA;
+            int chunkSize = 100;
+            int dataLength = 900; // Actual data length will be longer due to encryption
+
+            // Register the name to Alice
+            RegisterNameTransactionData transactionData = new RegisterNameTransactionData(TestTransaction.generateBase(alice), name, "");
+            transactionData.setFee(new RegisterNameTransaction(null, null).getUnitFee(transactionData.getTimestamp()));
+            TransactionUtils.signAndMint(repository, transactionData, alice);
+
+            // Add a few files at multiple levels
+            byte[] data = new byte[1024];
+            new Random().nextBytes(data);
+            Path path1 = ArbitraryUtils.generateRandomDataPath(dataLength);
+            Path file1 = Paths.get(path1.toString(), "file.txt");
+
+            // Create PUT transaction
+            ArbitraryDataFile arbitraryDataFile = ArbitraryUtils.createAndMintTxn(repository, publicKey58, file1, name, identifier, ArbitraryTransactionData.Method.PUT, service, alice, chunkSize);
+
+            // Check the file list metadata is correct
+            assertEquals(1, arbitraryDataFile.getMetadata().getFiles().size());
+            assertTrue(arbitraryDataFile.getMetadata().getFiles().contains("file.txt"));
+
+            // Ensure the file list can be read back out again, when specified to be included
+            ArbitraryResourceMetadata resourceMetadata = ArbitraryResourceMetadata.fromTransactionMetadata(arbitraryDataFile.getMetadata(), true);
+            assertTrue(resourceMetadata.getFiles().contains("file.txt"));
+
+            // Ensure it's not returned when specified to be excluded
+            // The entire object will be null because there is no metadata
+            ArbitraryResourceMetadata resourceMetadataSimple = ArbitraryResourceMetadata.fromTransactionMetadata(arbitraryDataFile.getMetadata(), false);
+            assertNull(resourceMetadataSimple);
+        }
+    }
+
+    @Test
+    public void testMultipleFileList() throws DataException, IOException, MissingDataException {
+        try (final Repository repository = RepositoryManager.getRepository()) {
+            PrivateKeyAccount alice = Common.getTestAccount(repository, "alice");
+            String publicKey58 = Base58.encode(alice.getPublicKey());
+            String name = "TEST"; // Can be anything for this test
+            String identifier = null; // Not used for this test
+            Service service = Service.ARBITRARY_DATA;
+            int chunkSize = 100;
+            int dataLength = 900; // Actual data length will be longer due to encryption
+
+            // Register the name to Alice
+            RegisterNameTransactionData transactionData = new RegisterNameTransactionData(TestTransaction.generateBase(alice), name, "");
+            transactionData.setFee(new RegisterNameTransaction(null, null).getUnitFee(transactionData.getTimestamp()));
+            TransactionUtils.signAndMint(repository, transactionData, alice);
+
+            // Add a few files at multiple levels
+            byte[] data = new byte[1024];
+            new Random().nextBytes(data);
+            Path path1 = ArbitraryUtils.generateRandomDataPath(dataLength);
+            Files.write(Paths.get(path1.toString(), "image1.jpg"), data, StandardOpenOption.CREATE);
+
+            Path subdirectory = Paths.get(path1.toString(), "subdirectory");
+            Files.createDirectories(subdirectory);
+            Files.write(Paths.get(subdirectory.toString(), "config.json"), data, StandardOpenOption.CREATE);
+
+            // Create PUT transaction
+            ArbitraryDataFile arbitraryDataFile = ArbitraryUtils.createAndMintTxn(repository, publicKey58, path1, name, identifier, ArbitraryTransactionData.Method.PUT, service, alice, chunkSize);
+
+            // Check the file list metadata is correct
+            assertEquals(3, arbitraryDataFile.getMetadata().getFiles().size());
+            assertTrue(arbitraryDataFile.getMetadata().getFiles().contains("file.txt"));
+            assertTrue(arbitraryDataFile.getMetadata().getFiles().contains("image1.jpg"));
+            assertTrue(arbitraryDataFile.getMetadata().getFiles().contains("subdirectory/config.json"));
+
+            // Ensure the file list can be read back out again, when specified to be included
+            ArbitraryResourceMetadata resourceMetadata = ArbitraryResourceMetadata.fromTransactionMetadata(arbitraryDataFile.getMetadata(), true);
+            assertTrue(resourceMetadata.getFiles().contains("file.txt"));
+            assertTrue(resourceMetadata.getFiles().contains("image1.jpg"));
+            assertTrue(resourceMetadata.getFiles().contains("subdirectory/config.json"));
+
+            // Ensure it's not returned when specified to be excluded
+            // The entire object will be null because there is no metadata
+            ArbitraryResourceMetadata resourceMetadataSimple = ArbitraryResourceMetadata.fromTransactionMetadata(arbitraryDataFile.getMetadata(), false);
+            assertNull(resourceMetadataSimple);
+        }
+    }
+
     @Test
     public void testExistingCategories() {
         // Matching categories should be correctly located

src/test/java/org/qortal/test/naming/BuySellTests.java

@@ -165,6 +165,52 @@ public class BuySellTests extends Common {
 		assertEquals("price incorrect", price, nameData.getSalePrice());
 	}
 
+	@Test
+	public void testCancelSellNameAndRelist() throws DataException {
+		// Register-name and sell-name
+		testSellName();
+
+		// Cancel Sell-name
+		CancelSellNameTransactionData transactionData = new CancelSellNameTransactionData(TestTransaction.generateBase(alice), name);
+		TransactionUtils.signAndMint(repository, transactionData, alice);
+
+		NameData nameData;
+
+		// Check name is no longer for sale
+		nameData = repository.getNameRepository().fromName(name);
+		assertFalse(nameData.isForSale());
+		assertNull(nameData.getSalePrice());
+
+		// Re-sell-name
+		Long newPrice = random.nextInt(1000) * Amounts.MULTIPLIER;
+		SellNameTransactionData sellNameTransactionData = new SellNameTransactionData(TestTransaction.generateBase(alice), name, newPrice);
+		TransactionUtils.signAndMint(repository, sellNameTransactionData, alice);
+
+		// Check name is for sale
+		nameData = repository.getNameRepository().fromName(name);
+		assertTrue(nameData.isForSale());
+		assertEquals("price incorrect", newPrice, nameData.getSalePrice());
+
+		// Orphan sell-name
+		BlockUtils.orphanLastBlock(repository);
+
+		// Check name no longer for sale
+		nameData = repository.getNameRepository().fromName(name);
+		assertFalse(nameData.isForSale());
+		assertNull(nameData.getSalePrice());
+
+		// Orphan cancel-sell-name
+		BlockUtils.orphanLastBlock(repository);
+
+		// Check name is for sale (at original price)
+		nameData = repository.getNameRepository().fromName(name);
+		assertTrue(nameData.isForSale());
+		assertEquals("price incorrect", price, nameData.getSalePrice());
+
+		// Orphan sell-name and register-name
+		BlockUtils.orphanBlocks(repository, 2);
+	}
+
 	@Test
 	public void testBuyName() throws DataException {
 		// Register-name and sell-name