interim commit after refactoring TransactionData, and subclasses

src/main/java/org/qora/data/transaction/ATTransactionData.java

@@ -7,7 +7,6 @@ import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
 import org.qora.account.GenesisAccount;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -36,10 +35,10 @@ public class ATTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public ATTransactionData(long timestamp, int txGroupId, byte[] reference, String atAddress, String recipient, BigDecimal amount, Long assetId,
-			byte[] message, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.AT, timestamp, txGroupId, reference, GenesisAccount.PUBLIC_KEY, fee, approvalStatus, height, signature);
+	public ATTransactionData(BaseTransactionData baseTransactionData, String atAddress, String recipient, BigDecimal amount, Long assetId, byte[] message) {
+		super(TransactionType.AT, baseTransactionData);
 
+		this.creatorPublicKey = GenesisAccount.PUBLIC_KEY;
 		this.atAddress = atAddress;
 		this.recipient = recipient;
 		this.amount = amount;
@@ -47,14 +46,6 @@ public class ATTransactionData extends TransactionData {
 		this.message = message;
 	}
 
-	// Never from network/API!
-
-	/** New, unsigned */
-	public ATTransactionData(long timestamp, int txGroupId, byte[] reference, String atAddress, String recipient, BigDecimal amount, Long assetId,
-			byte[] message, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, atAddress, recipient, amount, assetId, message, fee, null, null, null);
-	}
-
 	// Getters/Setters
 
 	public String getATAddress() {

src/main/java/org/qora/data/transaction/AccountFlagsTransactionData.java

@@ -1,7 +1,5 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
@@ -10,7 +8,6 @@ import javax.xml.bind.annotation.XmlElement;
 import org.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
 import org.qora.account.GenesisAccount;
 import org.qora.block.GenesisBlock;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -46,9 +43,9 @@ public class AccountFlagsTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public AccountFlagsTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, String target, int andMask, int orMask,
-			int xorMask, Integer previousFlags, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.ACCOUNT_FLAGS, timestamp, groupId, reference, creatorPublicKey, fee, approvalStatus, height, signature);
+	public AccountFlagsTransactionData(BaseTransactionData baseTransactionData,
+			String target, int andMask, int orMask, int xorMask, Integer previousFlags) {
+		super(TransactionType.ACCOUNT_FLAGS, baseTransactionData);
 
 		this.target = target;
 		this.andMask = andMask;
@@ -58,15 +55,9 @@ public class AccountFlagsTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public AccountFlagsTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, String target, int andMask, int orMask,
-			int xorMask, BigDecimal fee, byte[] signature) {
-		this(timestamp, groupId, reference, creatorPublicKey, target, andMask, orMask, xorMask, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public AccountFlagsTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, String target, int andMask, int orMask,
-			int xorMask, BigDecimal fee) {
-		this(timestamp, groupId, reference, creatorPublicKey, target, andMask, orMask, xorMask, fee, null);
+	public AccountFlagsTransactionData(BaseTransactionData baseTransactionData,
+			String target, int andMask, int orMask, int xorMask) {
+		this(baseTransactionData, target, andMask, orMask, xorMask, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/AddGroupAdminTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
 import org.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -40,25 +37,14 @@ public class AddGroupAdminTransactionData extends TransactionData {
 		this.creatorPublicKey = this.ownerPublicKey;
 	}
 
-	/** From repository */
-	public AddGroupAdminTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId, String member, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.ADD_GROUP_ADMIN, timestamp, txGroupId, reference, ownerPublicKey, fee, approvalStatus, height, signature);
+	public AddGroupAdminTransactionData(BaseTransactionData baseTransactionData, int groupId, String member) {
+		super(TransactionType.ADD_GROUP_ADMIN, baseTransactionData);
 
-		this.ownerPublicKey = ownerPublicKey;
+		this.ownerPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.member = member;
 	}
 
-	/** From network/API */
-	public AddGroupAdminTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId, String member, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, groupId, member, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public AddGroupAdminTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId, String member, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, groupId, member, fee, null);
-	}
-
 	// Getters / setters
 
 	public byte[] getOwnerPublicKey() {

src/main/java/org/qora/data/transaction/ArbitraryTransactionData.java

@@ -1,6 +1,5 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
 import java.util.List;
 
 import javax.xml.bind.Unmarshaller;
@@ -9,7 +8,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 
 import org.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
 import org.qora.data.PaymentData;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -53,12 +51,12 @@ public class ArbitraryTransactionData extends TransactionData {
 		this.creatorPublicKey = this.senderPublicKey;
 	}
 
-	/** From repository */
-	public ArbitraryTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, int version, int service,
-			byte[] data, DataType dataType, List<PaymentData> payments, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.ARBITRARY, timestamp, txGroupId, reference, senderPublicKey, fee, approvalStatus, height, signature);
+	/** V3 */
+	public ArbitraryTransactionData(BaseTransactionData baseTransactionData,
+			int version, int service, byte[] data, DataType dataType, List<PaymentData> payments) {
+		super(TransactionType.ARBITRARY, baseTransactionData);
 
-		this.senderPublicKey = senderPublicKey;
+		this.senderPublicKey = baseTransactionData.creatorPublicKey;
 		this.version = version;
 		this.service = service;
 		this.data = data;
@@ -66,28 +64,10 @@ public class ArbitraryTransactionData extends TransactionData {
 		this.payments = payments;
 	}
 
-	/** From network/API (V3) */
-	public ArbitraryTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, int version, int service,
-			byte[] data, DataType dataType, List<PaymentData> payments, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, senderPublicKey, version, service, data, dataType, payments, fee, null, null, signature);
-	}
-
-	/** From network/API (V1) */
-	public ArbitraryTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, int version, int service, byte[] data,
-			DataType dataType, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, senderPublicKey, version, service, data, dataType, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned (V3) */
-	public ArbitraryTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, int version, int service, byte[] data,
-			DataType dataType, List<PaymentData> payments, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, senderPublicKey, version, service, data, dataType, payments, fee, null);
-	}
-
-	/** New, unsigned (V1) */
-	public ArbitraryTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, int version, int service, byte[] data,
-			DataType dataType, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, senderPublicKey, version, service, data, dataType, null, fee, null);
+	/** V1 */
+	public ArbitraryTransactionData(BaseTransactionData baseTransactionData,
+			int version, int service, byte[] data, DataType dataType) {
+		this(baseTransactionData, version, service, data, dataType, null);
 	}
 
 	// Getters/Setters

src/main/java/org/qora/data/transaction/BaseTransactionData.java

@@ -0,0 +1,28 @@
+package org.qora.data.transaction;
+
+import java.math.BigDecimal;
+
+import org.qora.transaction.Transaction.ApprovalStatus;
+
+public class BaseTransactionData extends TransactionData {
+
+	/** Constructor for use by repository. */
+	public BaseTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, BigDecimal fee, 
+			ApprovalStatus approvalStatus, Integer blockHeight, Integer approvalHeight, byte[] signature) {
+		this.timestamp = timestamp;
+		this.txGroupId = txGroupId;
+		this.reference = reference;
+		this.creatorPublicKey = creatorPublicKey;
+		this.fee = fee;
+		this.approvalStatus = approvalStatus;
+		this.blockHeight = blockHeight;
+		this.approvalHeight = approvalHeight;
+		this.signature = signature;
+	}
+
+	/** Constructor for use by transaction transformer. */
+	public BaseTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, BigDecimal fee, byte[] signature) {
+		this(timestamp, txGroupId, reference, creatorPublicKey, fee, null, null, null, signature);
+	}
+
+}

src/main/java/org/qora/data/transaction/BuyNameTransactionData.java

@@ -8,7 +8,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlTransient;
 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -31,6 +30,7 @@ public class BuyNameTransactionData extends TransactionData {
 	private BigDecimal amount;
 	@Schema(description = "seller's address", example = "QgV4s3xnzLhVBEJxcYui4u4q11yhUHsd9v")
 	private String seller;
+
 	// For internal use when orphaning
 	@XmlTransient
 	@Schema(hidden = true)
@@ -48,11 +48,11 @@ public class BuyNameTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public BuyNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] buyerPublicKey, String name, BigDecimal amount, String seller,
-			byte[] nameReference, BigDecimal fee,  ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.BUY_NAME, timestamp, txGroupId, reference, buyerPublicKey, fee, approvalStatus, height, signature);
+	public BuyNameTransactionData(BaseTransactionData baseTransactionData,
+			String name, BigDecimal amount, String seller, byte[] nameReference) {
+		super(TransactionType.BUY_NAME, baseTransactionData);
 
-		this.buyerPublicKey = buyerPublicKey;
+		this.buyerPublicKey = baseTransactionData.creatorPublicKey;
 		this.name = name;
 		this.amount = amount;
 		this.seller = seller;
@@ -60,14 +60,8 @@ public class BuyNameTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public BuyNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] buyerPublicKey, String name, BigDecimal amount, String seller,
-			BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, buyerPublicKey, name, amount, seller, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public BuyNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] buyerPublicKey, String name, BigDecimal amount, String seller, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, buyerPublicKey, name, amount, seller, fee, null);
+	public BuyNameTransactionData(BaseTransactionData baseTransactionData, String name, BigDecimal amount, String seller) {
+		this(baseTransactionData, name, amount, seller, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/CancelAssetOrderTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 
 import org.qora.transaction.Transaction;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -28,23 +25,12 @@ public class CancelAssetOrderTransactionData extends TransactionData {
 		super(TransactionType.CANCEL_ASSET_ORDER);
 	}
 
-	/** From network/API */
-	public CancelAssetOrderTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, byte[] orderId, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(Transaction.TransactionType.CANCEL_ASSET_ORDER, timestamp, txGroupId, reference, creatorPublicKey, fee, approvalStatus, height, signature);
+	public CancelAssetOrderTransactionData(BaseTransactionData baseTransactionData, byte[] orderId) {
+		super(Transaction.TransactionType.CANCEL_ASSET_ORDER, baseTransactionData);
 
 		this.orderId = orderId;
 	}
 
-	/** From network/API */
-	public CancelAssetOrderTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, byte[] orderId, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, orderId, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public CancelAssetOrderTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, byte[] orderId, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, orderId, fee, null);
-	}
-
 	// Getters/Setters
 
 	public byte[] getOrderId() {

src/main/java/org/qora/data/transaction/CancelGroupBanTransactionData.java

@@ -1,13 +1,11 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
 
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -42,24 +40,18 @@ public class CancelGroupBanTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public CancelGroupBanTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String member, byte[] banReference,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.CANCEL_GROUP_BAN, timestamp, txGroupId, reference, adminPublicKey, fee, approvalStatus, height, signature);
+	public CancelGroupBanTransactionData(BaseTransactionData baseTransactionData, int groupId, String member, byte[] banReference) {
+		super(TransactionType.CANCEL_GROUP_BAN, baseTransactionData);
 
-		this.adminPublicKey = adminPublicKey;
+		this.adminPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.member = member;
 		this.banReference = banReference;
 	}
 
 	/** From network/API */
-	public CancelGroupBanTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String member, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, member, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public CancelGroupBanTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String member, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, member, fee, null);
+	public CancelGroupBanTransactionData(BaseTransactionData baseTransactionData, int groupId, String member) {
+		this(baseTransactionData, groupId, member, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/CancelGroupInviteTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -42,24 +39,18 @@ public class CancelGroupInviteTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public CancelGroupInviteTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String invitee, byte[] inviteReference,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.CANCEL_GROUP_INVITE, timestamp, txGroupId, reference, adminPublicKey, fee, approvalStatus, height, signature);
+	public CancelGroupInviteTransactionData(BaseTransactionData baseTransactionData, int groupId, String invitee, byte[] inviteReference) {
+		super(TransactionType.CANCEL_GROUP_INVITE, baseTransactionData);
 
-		this.adminPublicKey = adminPublicKey;
+		this.adminPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.invitee = invitee;
 		this.inviteReference = inviteReference;
 	}
 
 	/** From network/API */
-	public CancelGroupInviteTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String invitee, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, invitee, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public CancelGroupInviteTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String invitee, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, invitee, fee, null);
+	public CancelGroupInviteTransactionData(BaseTransactionData baseTransactionData, int groupId, String invitee) {
+		this(baseTransactionData, groupId, invitee, null);
 	}
 
 	// Getters / setters

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

@@ -1,12 +1,9 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -33,25 +30,13 @@ public class CancelSellNameTransactionData extends TransactionData {
 		this.creatorPublicKey = this.ownerPublicKey;
 	}
 
-	/** From repository */
-	public CancelSellNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String name,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.CANCEL_SELL_NAME, timestamp, txGroupId, reference, ownerPublicKey, fee, approvalStatus, height, signature);
+	public CancelSellNameTransactionData(BaseTransactionData baseTransactionData, String name) {
+		super(TransactionType.CANCEL_SELL_NAME, baseTransactionData);
 
-		this.ownerPublicKey = ownerPublicKey;
+		this.ownerPublicKey = baseTransactionData.creatorPublicKey;
 		this.name = name;
 	}
 
-	/** From network/API */
-	public CancelSellNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String name, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, name, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public CancelSellNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String name, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, name, fee, null);
-	}
-
 	// Getters / setters
 
 	public byte[] getOwnerPublicKey() {

src/main/java/org/qora/data/transaction/CreateAssetOrderTransactionData.java

@@ -8,7 +8,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 
 import org.qora.block.BlockChain;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -80,9 +79,9 @@ public class CreateAssetOrderTransactionData extends TransactionData {
 	}
 
 	/** Constructs using data from repository, including optional asset names. */
-	public CreateAssetOrderTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, long haveAssetId, long wantAssetId,
-			BigDecimal amount, BigDecimal price, BigDecimal fee, String haveAssetName, String wantAssetName, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.CREATE_ASSET_ORDER, timestamp, txGroupId, reference, creatorPublicKey, fee, approvalStatus, height, signature);
+	public CreateAssetOrderTransactionData(BaseTransactionData baseTransactionData,
+			long haveAssetId, long wantAssetId, BigDecimal amount, BigDecimal price, String haveAssetName, String wantAssetName) {
+		super(TransactionType.CREATE_ASSET_ORDER, baseTransactionData);
 
 		this.haveAssetId = haveAssetId;
 		this.wantAssetId = wantAssetId;
@@ -93,22 +92,9 @@ public class CreateAssetOrderTransactionData extends TransactionData {
 		this.wantAssetName = wantAssetName;
 	}
 
-	/** Constructs using data from repository, excluding optional asset names. */
-	public CreateAssetOrderTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, long haveAssetId, long wantAssetId,
-			BigDecimal amount, BigDecimal price, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, haveAssetId, wantAssetId, amount, price, fee, null, null, approvalStatus, height, signature);
-	}
-
-	/** From network/API */
-	public CreateAssetOrderTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, long haveAssetId, long wantAssetId,
-			BigDecimal amount, BigDecimal price, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, haveAssetId, wantAssetId, amount, price, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public CreateAssetOrderTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, long haveAssetId, long wantAssetId,
-			BigDecimal amount, BigDecimal price, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, haveAssetId, wantAssetId, amount, price, fee, null);
+	/** Constructor excluding optional asset names. */
+	public CreateAssetOrderTransactionData(BaseTransactionData baseTransactionData, long haveAssetId, long wantAssetId, BigDecimal amount, BigDecimal price) {
+		this(baseTransactionData, haveAssetId, wantAssetId, amount, price, null, null);
 	}
 
 	// Getters/Setters

src/main/java/org/qora/data/transaction/CreateGroupTransactionData.java

@@ -1,14 +1,11 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 
 import org.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
 import org.qora.group.Group.ApprovalThreshold;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -69,12 +66,11 @@ public class CreateGroupTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public CreateGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String owner, String groupName, String description,
-			boolean isOpen, ApprovalThreshold approvalThreshold, int minimumBlockDelay, int maximumBlockDelay, Integer groupId,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.CREATE_GROUP, timestamp, txGroupId, reference, creatorPublicKey, fee, approvalStatus, height, signature);
+	public CreateGroupTransactionData(BaseTransactionData baseTransactionData,
+			String owner, String groupName, String description, boolean isOpen,
+			ApprovalThreshold approvalThreshold, int minimumBlockDelay, int maximumBlockDelay, Integer groupId) {
+		super(TransactionType.CREATE_GROUP, baseTransactionData);
 
-		this.creatorPublicKey = creatorPublicKey;
 		this.owner = owner;
 		this.groupName = groupName;
 		this.description = description;
@@ -86,15 +82,10 @@ public class CreateGroupTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public CreateGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String owner, String groupName, String description,
-			boolean isOpen, ApprovalThreshold approvalThreshold, int minimumBlockDelay, int maximumBlockDelay, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, owner, groupName, description, isOpen, approvalThreshold, minimumBlockDelay, maximumBlockDelay, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public CreateGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String owner, String groupName, String description,
-			boolean isOpen, ApprovalThreshold approvalThreshold, int minimumBlockDelay, int maximumBlockDelay, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, owner, groupName, description, isOpen, approvalThreshold, minimumBlockDelay, maximumBlockDelay, fee, null);
+	public CreateGroupTransactionData(BaseTransactionData baseTransactionData,
+			String owner, String groupName, String description, boolean isOpen,
+			ApprovalThreshold approvalThreshold, int minimumBlockDelay, int maximumBlockDelay) {
+		this(baseTransactionData, owner, groupName, description, isOpen, approvalThreshold, minimumBlockDelay, maximumBlockDelay, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/CreatePollTransactionData.java

@@ -1,6 +1,5 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
 import java.util.List;
 
 import javax.xml.bind.annotation.XmlAccessType;
@@ -8,7 +7,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 
 import org.qora.data.voting.PollOptionData;
 import org.qora.transaction.Transaction;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -31,11 +29,9 @@ public class CreatePollTransactionData extends TransactionData {
 		super(TransactionType.CREATE_POLL);
 	}
 
-	/** From repository */
-	public CreatePollTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String owner,
-			String pollName, String description, List<PollOptionData> pollOptions,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(Transaction.TransactionType.CREATE_POLL, timestamp, txGroupId, reference, creatorPublicKey, fee, approvalStatus, height, signature);
+	public CreatePollTransactionData(BaseTransactionData baseTransactionData,
+			String owner, String pollName, String description, List<PollOptionData> pollOptions) {
+		super(Transaction.TransactionType.CREATE_POLL, baseTransactionData);
 
 		this.owner = owner;
 		this.pollName = pollName;
@@ -43,18 +39,6 @@ public class CreatePollTransactionData extends TransactionData {
 		this.pollOptions = pollOptions;
 	}
 
-	/** From network/API */
-	public CreatePollTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String owner,
-			String pollName, String description, List<PollOptionData> pollOptions, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, owner, pollName, description, pollOptions, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public CreatePollTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String owner,
-			String pollName, String description, List<PollOptionData> pollOptions, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, owner, pollName, description, pollOptions, fee, null);
-	}
-
 	// Getters/setters
 
 	public String getOwner() {

src/main/java/org/qora/data/transaction/DeployAtTransactionData.java

@@ -5,7 +5,6 @@ import java.math.BigDecimal;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -32,10 +31,9 @@ public class DeployAtTransactionData extends TransactionData {
 		super(TransactionType.DEPLOY_AT);
 	}
 
-	/** From repository */
-	public DeployAtTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String aTAddress, String name, String description,
-			String aTType, String tags, byte[] creationBytes, BigDecimal amount, long assetId, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.DEPLOY_AT, timestamp, txGroupId, reference, creatorPublicKey, fee, approvalStatus, height, signature);
+	public DeployAtTransactionData(BaseTransactionData baseTransactionData,
+			String aTAddress, String name, String description, String aTType, String tags, byte[] creationBytes, BigDecimal amount, long assetId) {
+		super(TransactionType.DEPLOY_AT, baseTransactionData);
 
 		this.aTAddress = aTAddress;
 		this.name = name;
@@ -47,18 +45,6 @@ public class DeployAtTransactionData extends TransactionData {
 		this.assetId = assetId;
 	}
 
-	/** From network/API */
-	public DeployAtTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String name, String description,
-			String aTType, String tags, byte[] creationBytes, BigDecimal amount, long assetId, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, null, name, description, aTType, tags, creationBytes, amount, assetId, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public DeployAtTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, String name, String description,
-			String aTType, String tags, byte[] creationBytes, BigDecimal amount, long assetId, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, creatorPublicKey, name, description, aTType, tags, creationBytes, amount, assetId, fee, null);
-	}
-
 	// Getters/Setters
 
 	public String getName() {

src/main/java/org/qora/data/transaction/EnableForgingTransactionData.java

@@ -1,12 +1,9 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -25,24 +22,12 @@ public class EnableForgingTransactionData extends TransactionData {
 		super(TransactionType.ENABLE_FORGING);
 	}
 
-	/** From repository */
-	public EnableForgingTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, String target,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.ENABLE_FORGING, timestamp, groupId, reference, creatorPublicKey, fee, approvalStatus, height, signature);
+	public EnableForgingTransactionData(BaseTransactionData baseTransactionData, String target) {
+		super(TransactionType.ENABLE_FORGING, baseTransactionData);
  
 		this.target = target;
 	}
 
-	/** From network/API */
-	public EnableForgingTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, String target, BigDecimal fee, byte[] signature) {
-		this(timestamp, groupId, reference, creatorPublicKey, target, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public EnableForgingTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, String target, BigDecimal fee) {
-		this(timestamp, groupId, reference, creatorPublicKey, target, fee, null);
-	}
-
 	// Getters / setters
 
 	public String getTarget() {

src/main/java/org/qora/data/transaction/GenesisTransactionData.java

@@ -6,10 +6,7 @@ import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
 import org.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
-import org.qora.account.GenesisAccount;
 import org.qora.asset.Asset;
-import org.qora.group.Group;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -38,9 +35,10 @@ public class GenesisTransactionData extends TransactionData {
 	}
 
 	/** From repository (V2) */
-	public GenesisTransactionData(long timestamp, String recipient, BigDecimal amount, long assetId, byte[] signature) {
+	public GenesisTransactionData(BaseTransactionData baseTransactionData, String recipient, BigDecimal amount, long assetId) {
 		// No groupID, null reference, zero fee, no approval required, height always 1
-		super(TransactionType.GENESIS, timestamp, Group.NO_GROUP, null, GenesisAccount.PUBLIC_KEY, BigDecimal.ZERO, ApprovalStatus.NOT_REQUIRED, 1, signature);
+		// super(TransactionType.GENESIS, timestamp, Group.NO_GROUP, null, GenesisAccount.PUBLIC_KEY, BigDecimal.ZERO, ApprovalStatus.NOT_REQUIRED, 1, signature);
+		super(TransactionType.GENESIS, baseTransactionData);
 
 		this.recipient = recipient;
 		this.amount = amount;
@@ -48,20 +46,8 @@ public class GenesisTransactionData extends TransactionData {
 	}
 
 	/** From repository (V1, where asset locked to QORA) */
-	public GenesisTransactionData(long timestamp, String recipient, BigDecimal amount, byte[] signature) {
-		this(timestamp, recipient, amount, Asset.QORA, signature);
-	}
-
-	// Never from network/API!
-
-	/** New, unsigned (V2) */
-	public GenesisTransactionData(long timestamp, String recipient, BigDecimal amount, long assetId) {
-		this(timestamp, recipient, amount, assetId, null);
-	}
-
-	/** New, unsigned (V1) */
-	public GenesisTransactionData(long timestamp, String recipient, BigDecimal amount) {
-		this(timestamp, recipient, amount, Asset.QORA, null);
+	public GenesisTransactionData(BaseTransactionData baseTransactionData, String recipient, BigDecimal amount) {
+		this(baseTransactionData, recipient, amount, Asset.QORA);
 	}
 
 	// Getters/Setters

src/main/java/org/qora/data/transaction/GroupApprovalTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -57,26 +54,18 @@ public class GroupApprovalTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public GroupApprovalTransactionData(long timestamp, int groupId, byte[] reference, byte[] adminPublicKey, byte[] pendingSignature, boolean approval,
-			byte[] priorReference, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.GROUP_APPROVAL, timestamp, groupId, reference, adminPublicKey, fee, approvalStatus, height, signature);
+	public GroupApprovalTransactionData(BaseTransactionData baseTransactionData, byte[] pendingSignature, boolean approval, byte[] priorReference) {
+		super(TransactionType.GROUP_APPROVAL, baseTransactionData);
 
-		this.adminPublicKey = adminPublicKey;
+		this.adminPublicKey = baseTransactionData.creatorPublicKey;
 		this.pendingSignature = pendingSignature;
 		this.approval = approval;
 		this.priorReference = priorReference;
 	}
 
 	/** From network/API */
-	public GroupApprovalTransactionData(long timestamp, int groupId, byte[] reference, byte[] adminPublicKey, byte[] pendingSignature, boolean approval,
-			BigDecimal fee, byte[] signature) {
-		this(timestamp, groupId, reference, adminPublicKey, pendingSignature, approval, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public GroupApprovalTransactionData(long timestamp, int groupId, byte[] reference, byte[] adminPublicKey, byte[] pendingSignature, boolean approval,
-			BigDecimal fee) {
-		this(timestamp, groupId, reference, adminPublicKey, pendingSignature, approval, fee, null);
+	public GroupApprovalTransactionData(BaseTransactionData baseTransactionData, byte[] pendingSignature, boolean approval) {
+		this(baseTransactionData, pendingSignature, approval, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/GroupBanTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -77,12 +74,12 @@ public class GroupBanTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public GroupBanTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String member,
-			String reason, int timeToLive, byte[] memberReference, byte[] adminReference, byte[] joinInviteReference, Integer previousGroupId,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.GROUP_BAN, timestamp, txGroupId, reference, adminPublicKey, fee, approvalStatus, height, signature);
+	public GroupBanTransactionData(BaseTransactionData baseTransactionData,
+			int groupId, String member, String reason, int timeToLive,
+			byte[] memberReference, byte[] adminReference, byte[] joinInviteReference, Integer previousGroupId) {
+		super(TransactionType.GROUP_BAN, baseTransactionData);
 
-		this.adminPublicKey = adminPublicKey;
+		this.adminPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.offender = member;
 		this.reason = reason;
@@ -94,15 +91,8 @@ public class GroupBanTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public GroupBanTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String offender, String reason,
-			int timeToLive, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, offender, reason, timeToLive, null, null, null, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public GroupBanTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String offender, String reason,
-			int timeToLive, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, offender, reason, timeToLive, fee, null);
+	public GroupBanTransactionData(BaseTransactionData baseTransactionData, int groupId, String member, String reason, int timeToLive) {
+		this(baseTransactionData, groupId, member, reason, timeToLive, null, null, null, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/GroupInviteTransactionData.java

@@ -1,14 +1,11 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -52,11 +49,11 @@ public class GroupInviteTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public GroupInviteTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String invitee, int timeToLive, byte[] joinReference, Integer previousGroupId,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.GROUP_INVITE, timestamp, txGroupId, reference, adminPublicKey, fee, approvalStatus, height, signature);
+	public GroupInviteTransactionData(BaseTransactionData baseTransactionData,
+			int groupId, String invitee, int timeToLive, byte[] joinReference, Integer previousGroupId) {
+		super(TransactionType.GROUP_INVITE, baseTransactionData);
 
-		this.adminPublicKey = adminPublicKey;
+		this.adminPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.invitee = invitee;
 		this.timeToLive = timeToLive;
@@ -65,13 +62,8 @@ public class GroupInviteTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public GroupInviteTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String invitee, int timeToLive, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, invitee, timeToLive, null, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public GroupInviteTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String invitee, int timeToLive, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, invitee, timeToLive, fee, null);
+	public GroupInviteTransactionData(BaseTransactionData baseTransactionData, int groupId, String invitee, int timeToLive) {
+		this(baseTransactionData, groupId, invitee, timeToLive, null, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/GroupKickTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -74,12 +71,11 @@ public class GroupKickTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public GroupKickTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String member,
-			String reason, byte[] memberReference, byte[] adminReference, byte[] joinReference, Integer previousGroupId,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.GROUP_KICK, timestamp, txGroupId, reference, adminPublicKey, fee, approvalStatus, height, signature);
+	public GroupKickTransactionData(BaseTransactionData baseTransactionData,
+			int groupId, String member, String reason, byte[] memberReference, byte[] adminReference, byte[] joinReference, Integer previousGroupId) {
+		super(TransactionType.GROUP_KICK, baseTransactionData);
 
-		this.adminPublicKey = adminPublicKey;
+		this.adminPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.member = member;
 		this.reason = reason;
@@ -90,14 +86,8 @@ public class GroupKickTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public GroupKickTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String member, String reason,
-			BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, member, reason, null, null, null, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public GroupKickTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] adminPublicKey, int groupId, String member, String reason, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, adminPublicKey, groupId, member, reason, fee, null);
+	public GroupKickTransactionData(BaseTransactionData baseTransactionData, int groupId, String member, String reason) {
+		this(baseTransactionData, groupId, member, reason, null, null, null, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/IssueAssetTransactionData.java

@@ -1,7 +1,5 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
@@ -9,7 +7,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import org.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
 import org.qora.account.GenesisAccount;
 import org.qora.block.GenesisBlock;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -61,13 +58,12 @@ public class IssueAssetTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public IssueAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] issuerPublicKey, Long assetId, String owner,
-			String assetName, String description, long quantity, boolean isDivisible, String data,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.ISSUE_ASSET, timestamp, txGroupId, reference, issuerPublicKey, fee, approvalStatus, height, signature);
+	public IssueAssetTransactionData(BaseTransactionData baseTransactionData,
+			Long assetId, String owner, String assetName, String description, long quantity, boolean isDivisible, String data) {
+		super(TransactionType.ISSUE_ASSET, baseTransactionData);
 
 		this.assetId = assetId;
-		this.issuerPublicKey = issuerPublicKey;
+		this.issuerPublicKey = baseTransactionData.creatorPublicKey;
 		this.owner = owner;
 		this.assetName = assetName;
 		this.description = description;
@@ -77,15 +73,8 @@ public class IssueAssetTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public IssueAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] issuerPublicKey, String owner, String assetName,
-			String description, long quantity, boolean isDivisible, String data, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, issuerPublicKey, null, owner, assetName, description, quantity, isDivisible, data, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public IssueAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] issuerPublicKey, String owner, String assetName,
-			String description, long quantity, boolean isDivisible, String data, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, issuerPublicKey, owner, assetName, description, quantity, isDivisible, data, fee, null);
+	public IssueAssetTransactionData(BaseTransactionData baseTransactionData, String owner, String assetName, String description, long quantity, boolean isDivisible, String data) {
+		this(baseTransactionData, null, owner, assetName, description, quantity, isDivisible, data);
 	}
 
 	// Getters/Setters

src/main/java/org/qora/data/transaction/JoinGroupTransactionData.java

@@ -1,14 +1,11 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -48,24 +45,18 @@ public class JoinGroupTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public JoinGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] joinerPublicKey, int groupId, byte[] inviteReference, Integer previousGroupId,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.JOIN_GROUP, timestamp, txGroupId, reference, joinerPublicKey, fee, approvalStatus, height, signature);
+	public JoinGroupTransactionData(BaseTransactionData baseTransactionData, int groupId, byte[] inviteReference, Integer previousGroupId) {
+		super(TransactionType.JOIN_GROUP, baseTransactionData);
 
-		this.joinerPublicKey = joinerPublicKey;
+		this.joinerPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.inviteReference = inviteReference;
 		this.previousGroupId = previousGroupId;
 	}
 
 	/** From network/API */
-	public JoinGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] joinerPublicKey, int groupId, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, joinerPublicKey, groupId, null, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public JoinGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] joinerPublicKey, int groupId, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, joinerPublicKey, groupId, fee, null);
+	public JoinGroupTransactionData(BaseTransactionData baseTransactionData, int groupId) {
+		this(baseTransactionData, groupId, null, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/LeaveGroupTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -50,11 +47,11 @@ public class LeaveGroupTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public LeaveGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] leaverPublicKey, int groupId, byte[] memberReference, byte[] adminReference, Integer previousGroupId, 
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.LEAVE_GROUP, timestamp, txGroupId, reference, leaverPublicKey, fee, approvalStatus, height, signature);
+	public LeaveGroupTransactionData(BaseTransactionData baseTransactionData,
+			int groupId, byte[] memberReference, byte[] adminReference, Integer previousGroupId) {
+		super(TransactionType.LEAVE_GROUP, baseTransactionData);
 
-		this.leaverPublicKey = leaverPublicKey;
+		this.leaverPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.memberReference = memberReference;
 		this.adminReference = adminReference;
@@ -62,13 +59,8 @@ public class LeaveGroupTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public LeaveGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] leaverPublicKey, int groupId, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, leaverPublicKey, groupId, null, null, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public LeaveGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] leaverPublicKey, int groupId, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, leaverPublicKey, groupId, fee, null);
+	public LeaveGroupTransactionData(BaseTransactionData baseTransactionData, int groupId) {
+		this(baseTransactionData, groupId, null, null, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/MessageTransactionData.java

@@ -7,7 +7,6 @@ import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
 import org.qora.asset.Asset;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -38,12 +37,11 @@ public class MessageTransactionData extends TransactionData {
 		this.creatorPublicKey = this.senderPublicKey;
 	}
 
-	/** From repository */
-	public MessageTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, int version, String recipient, Long assetId,
-			BigDecimal amount, byte[] data, boolean isText, boolean isEncrypted, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.MESSAGE, timestamp, txGroupId, reference, senderPublicKey, fee, approvalStatus, height, signature);
+	public MessageTransactionData(BaseTransactionData baseTransactionData,
+			int version, String recipient, Long assetId, BigDecimal amount, byte[] data, boolean isText, boolean isEncrypted) {
+		super(TransactionType.MESSAGE, baseTransactionData);
 
-		this.senderPublicKey = senderPublicKey;
+		this.senderPublicKey = baseTransactionData.creatorPublicKey;
 		this.version = version;
 		this.recipient = recipient;
 
@@ -58,18 +56,6 @@ public class MessageTransactionData extends TransactionData {
 		this.isEncrypted = isEncrypted;
 	}
 
-	/** From network/API */
-	public MessageTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, int version, String recipient, Long assetId,
-			BigDecimal amount, byte[] data, boolean isText, boolean isEncrypted, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, senderPublicKey, version, recipient, assetId, amount, data, isText, isEncrypted, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public MessageTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, int version, String recipient, Long assetId,
-			BigDecimal amount, byte[] data, boolean isText, boolean isEncrypted, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, senderPublicKey, version, recipient, assetId, amount, data, isText, isEncrypted, fee, null);
-	}
-
 	// Getters/Setters
 
 	public byte[] getSenderPublicKey() {

src/main/java/org/qora/data/transaction/MultiPaymentTransactionData.java

@@ -1,6 +1,5 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
 import java.util.List;
 
 import javax.xml.bind.Unmarshaller;
@@ -9,7 +8,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 
 import org.qora.data.PaymentData;
 import org.qora.transaction.Transaction;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -34,25 +32,13 @@ public class MultiPaymentTransactionData extends TransactionData {
 		this.creatorPublicKey = this.senderPublicKey;
 	}
 
-	/** From repository */
-	public MultiPaymentTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, List<PaymentData> payments,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(Transaction.TransactionType.MULTI_PAYMENT, timestamp, txGroupId, reference, senderPublicKey, fee, approvalStatus, height, signature);
+	public MultiPaymentTransactionData(BaseTransactionData baseTransactionData, List<PaymentData> payments) {
+		super(Transaction.TransactionType.MULTI_PAYMENT, baseTransactionData);
 
-		this.senderPublicKey = senderPublicKey;
+		this.senderPublicKey = baseTransactionData.creatorPublicKey;
 		this.payments = payments;
 	}
 
-	/** From network/API */
-	public MultiPaymentTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, List<PaymentData> payments, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, senderPublicKey, payments, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public MultiPaymentTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, List<PaymentData> payments, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, senderPublicKey, payments, fee, null);
-	}
-
 	// Getters/setters
 
 	public byte[] getSenderPublicKey() {

src/main/java/org/qora/data/transaction/PaymentTransactionData.java

@@ -7,7 +7,6 @@ import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -41,25 +40,14 @@ public class PaymentTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public PaymentTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, String recipient, BigDecimal amount,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.PAYMENT, timestamp, txGroupId, reference, senderPublicKey, fee, approvalStatus, height, signature);
+	public PaymentTransactionData(BaseTransactionData baseTransactionData, String recipient, BigDecimal amount) {
+		super(TransactionType.PAYMENT, baseTransactionData);
 
-		this.senderPublicKey = senderPublicKey;
+		this.senderPublicKey = baseTransactionData.creatorPublicKey;
 		this.recipient = recipient;
 		this.amount = amount;
 	}
 
-	/** From network/API */
-	public PaymentTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, String recipient, BigDecimal amount, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, senderPublicKey, recipient, amount, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public PaymentTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, String recipient, BigDecimal amount, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, senderPublicKey, recipient, amount, fee, null);
-	}
-
 	// Getters/Setters
 
 	public byte[] getSenderPublicKey() {

src/main/java/org/qora/data/transaction/ProxyForgingTransactionData.java

@@ -7,7 +7,6 @@ import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlTransient;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -44,12 +43,11 @@ public class ProxyForgingTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public ProxyForgingTransactionData(long timestamp, int groupId, byte[] reference, byte[] forgerPublicKey, String recipient,
-			byte[] proxyPublicKey, BigDecimal share, BigDecimal previousShare,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.PROXY_FORGING, timestamp, groupId, reference, forgerPublicKey, fee, approvalStatus, height, signature);
+	public ProxyForgingTransactionData(BaseTransactionData baseTransactionData,
+			String recipient, byte[] proxyPublicKey, BigDecimal share, BigDecimal previousShare) {
+		super(TransactionType.PROXY_FORGING, baseTransactionData);
  
-		this.forgerPublicKey = forgerPublicKey;
+		this.forgerPublicKey = baseTransactionData.creatorPublicKey;
 		this.recipient = recipient;
 		this.proxyPublicKey = proxyPublicKey;
 		this.share = share;
@@ -57,13 +55,9 @@ public class ProxyForgingTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public ProxyForgingTransactionData(long timestamp, int groupId, byte[] reference, byte[] forgerPublicKey, String recipient, byte[] proxyPublicKey, BigDecimal share, BigDecimal fee, byte[] signature) {
-		this(timestamp, groupId, reference, forgerPublicKey, recipient, proxyPublicKey, share, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public ProxyForgingTransactionData(long timestamp, int groupId, byte[] reference, byte[] forgerPublicKey, String recipient, byte[] proxyPublicKey, BigDecimal share, BigDecimal fee) {
-		this(timestamp, groupId, reference, forgerPublicKey, recipient, proxyPublicKey, share, fee, null);
+	public ProxyForgingTransactionData(BaseTransactionData baseTransactionData,
+			String recipient, byte[] proxyPublicKey, BigDecimal share) {
+		this(baseTransactionData, recipient, proxyPublicKey, share, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/RegisterNameTransactionData.java

@@ -1,12 +1,9 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -38,26 +35,15 @@ public class RegisterNameTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public RegisterNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] registrantPublicKey, String owner, String name, String data,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.REGISTER_NAME, timestamp, txGroupId, reference, registrantPublicKey, fee, approvalStatus, height, signature);
+	public RegisterNameTransactionData(BaseTransactionData baseTransactionData, String owner, String name, String data) {
+		super(TransactionType.REGISTER_NAME, baseTransactionData);
 
-		this.registrantPublicKey = registrantPublicKey;
+		this.registrantPublicKey = baseTransactionData.creatorPublicKey;
 		this.owner = owner;
 		this.name = name;
 		this.data = data;
 	}
 
-	/** From network/API */
-	public RegisterNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] registrantPublicKey, String owner, String name, String data, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, registrantPublicKey, owner, name, data, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public RegisterNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] registrantPublicKey, String owner, String name, String data, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, registrantPublicKey, owner, name, data, fee, null);
-	}
-
 	// Getters / setters
 
 	public byte[] getRegistrantPublicKey() {

src/main/java/org/qora/data/transaction/RemoveGroupAdminTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -42,24 +39,18 @@ public class RemoveGroupAdminTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public RemoveGroupAdminTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId, String admin, byte[] adminReference,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.REMOVE_GROUP_ADMIN, timestamp, txGroupId, reference, ownerPublicKey, fee, approvalStatus, height, signature);
+	public RemoveGroupAdminTransactionData(BaseTransactionData baseTransactionData, int groupId, String admin, byte[] adminReference) {
+		super(TransactionType.REMOVE_GROUP_ADMIN, baseTransactionData);
 
-		this.ownerPublicKey = ownerPublicKey;
+		this.ownerPublicKey = baseTransactionData.creatorPublicKey;
 		this.groupId = groupId;
 		this.admin = admin;
 		this.adminReference = adminReference;
 	}
 
 	/** From network/API */
-	public RemoveGroupAdminTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId, String admin, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, groupId, admin, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public RemoveGroupAdminTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId, String admin, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, groupId, admin, fee, null);
+	public RemoveGroupAdminTransactionData(BaseTransactionData baseTransactionData, int groupId, String admin) {
+		this(baseTransactionData, groupId, admin, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/SellNameTransactionData.java

@@ -7,7 +7,6 @@ import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -40,26 +39,14 @@ public class SellNameTransactionData extends TransactionData {
 		this.creatorPublicKey = this.ownerPublicKey;
 	}
 
-	/** From repository */
-	public SellNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String name, BigDecimal amount,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.SELL_NAME, timestamp, txGroupId, reference, ownerPublicKey, fee, approvalStatus, height, signature);
+	public SellNameTransactionData(BaseTransactionData baseTransactionData, String name, BigDecimal amount) {
+		super(TransactionType.SELL_NAME, baseTransactionData);
 
-		this.ownerPublicKey = ownerPublicKey;
+		this.ownerPublicKey = baseTransactionData.creatorPublicKey;
 		this.name = name;
 		this.amount = amount;
 	}
 
-	/** From network/API */
-	public SellNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String name, BigDecimal amount, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, name, amount, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public SellNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String name, BigDecimal amount, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, name, amount, fee, null);
-	}
-
 	// Getters / setters
 
 	public byte[] getOwnerPublicKey() {

src/main/java/org/qora/data/transaction/SetGroupTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlTransient;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -43,22 +40,16 @@ public class SetGroupTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public SetGroupTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, int defaultGroupId, Integer previousDefaultGroupId,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.SET_GROUP, timestamp, groupId, reference, creatorPublicKey, fee, approvalStatus, height, signature);
+	public SetGroupTransactionData(BaseTransactionData baseTransactionData, int defaultGroupId, Integer previousDefaultGroupId) {
+		super(TransactionType.SET_GROUP, baseTransactionData);
 
 		this.defaultGroupId = defaultGroupId;
 		this.previousDefaultGroupId = previousDefaultGroupId;
 	}
 
 	/** From network/API */
-	public SetGroupTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, int defaultGroupId, BigDecimal fee, byte[] signature) {
-		this(timestamp, groupId, reference, creatorPublicKey, defaultGroupId, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public SetGroupTransactionData(long timestamp, int groupId, byte[] reference, byte[] creatorPublicKey, int defaultGroupId, BigDecimal fee) {
-		this(timestamp, groupId, reference, creatorPublicKey, defaultGroupId, fee, null);
+	public SetGroupTransactionData(BaseTransactionData baseTransactionData, int defaultGroupId) {
+		this(baseTransactionData, defaultGroupId, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/TransactionData.java

@@ -63,13 +63,19 @@ public abstract class TransactionData {
 	protected byte[] signature;
 	@Schema(description = "groupID for this transaction")
 	protected int txGroupId;
-	@Schema(description = "group-approval status")
-	protected ApprovalStatus approvalStatus;
 
 	// Not always present
 	@Schema(accessMode = AccessMode.READ_ONLY, hidden = true, description = "height of block containing transaction")
 	protected Integer blockHeight;
 
+	// Not always present
+	@Schema(description = "group-approval status")
+	protected ApprovalStatus approvalStatus;
+
+	// Not always present
+	@Schema(accessMode = AccessMode.READ_ONLY, hidden = true, description = "block height when transaction approved")
+	protected Integer approvalHeight;
+
 	// Constructors
 
 	// For JAXB
@@ -81,20 +87,19 @@ public abstract class TransactionData {
 		this.type = type;
 	}
 
-	public TransactionData(TransactionType type, long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, BigDecimal fee, ApprovalStatus approvalStatus, Integer blockHeight, byte[] signature) {
+	/** Constructor for use by transaction subclasses. */
+	protected TransactionData(TransactionType type, BaseTransactionData baseTransactionData) {
 		this.type = type;
-		this.timestamp = timestamp;
-		this.txGroupId = txGroupId;
-		this.reference = reference;
-		this.creatorPublicKey = creatorPublicKey;
-		this.fee = fee;
-		this.approvalStatus = approvalStatus;
-		this.blockHeight = blockHeight;
-		this.signature = signature;
-	}
 
-	public TransactionData(TransactionType type, long timestamp, int txGroupId, byte[] reference, byte[] creatorPublicKey, BigDecimal fee) {
-		this(type, timestamp, txGroupId, reference, creatorPublicKey, fee, null, null, null);
+		this.timestamp = baseTransactionData.timestamp;
+		this.txGroupId = baseTransactionData.txGroupId;
+		this.reference = baseTransactionData.reference;
+		this.creatorPublicKey = baseTransactionData.creatorPublicKey;
+		this.fee = baseTransactionData.fee;
+		this.signature = baseTransactionData.signature;
+		this.blockHeight = baseTransactionData.blockHeight;
+		this.approvalStatus = baseTransactionData.approvalStatus;
+		this.approvalHeight = baseTransactionData.approvalHeight;
 	}
 
 	// Getters/setters
@@ -140,14 +145,6 @@ public abstract class TransactionData {
 		this.fee = fee;
 	}
 
-	public ApprovalStatus getApprovalStatus() {
-		return approvalStatus;
-	}
-
-	public void setApprovalStatus(ApprovalStatus approvalStatus) {
-		this.approvalStatus = approvalStatus;
-	}
-
 	public byte[] getSignature() {
 		return this.signature;
 	}
@@ -165,6 +162,24 @@ public abstract class TransactionData {
 		this.blockHeight = blockHeight;
 	}
 
+	public ApprovalStatus getApprovalStatus() {
+		return approvalStatus;
+	}
+
+	@XmlTransient
+	public void setApprovalStatus(ApprovalStatus approvalStatus) {
+		this.approvalStatus = approvalStatus;
+	}
+
+	public Integer getApprovalHeight() {
+		return this.approvalHeight;
+	}
+
+	@XmlTransient
+	public void setApprovalHeight(Integer approvalHeight) {
+		this.approvalHeight = approvalHeight;
+	}
+
 	// JAXB special
 
 	@XmlElement(name = "creatorAddress")

src/main/java/org/qora/data/transaction/TransferAssetTransactionData.java

@@ -6,7 +6,6 @@ import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -41,33 +40,19 @@ public class TransferAssetTransactionData extends TransactionData {
 	}
 
 	/** Constructs using data from repository, including optional assetName. */
-	public TransferAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, String recipient, BigDecimal amount,
-			long assetId, BigDecimal fee, String assetName, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.TRANSFER_ASSET, timestamp, txGroupId, reference, senderPublicKey, fee, approvalStatus, height, signature);
+	public TransferAssetTransactionData(BaseTransactionData baseTransactionData, String recipient, BigDecimal amount, long assetId, String assetName) {
+		super(TransactionType.TRANSFER_ASSET, baseTransactionData);
 
-		this.senderPublicKey = senderPublicKey;
+		this.senderPublicKey = baseTransactionData.creatorPublicKey;
 		this.recipient = recipient;
 		this.amount = amount;
 		this.assetId = assetId;
 		this.assetName = assetName;
 	}
 
-	/** Constructs using data from repository, excluding optional assetName. */
-	public TransferAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, String recipient, BigDecimal amount,
-			long assetId, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		this(timestamp, txGroupId, reference, senderPublicKey, recipient, amount, assetId, fee, null, null, null, signature);
-	}
-
-	/** From network/API */
-	public TransferAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, String recipient, BigDecimal amount,
-			long assetId, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, senderPublicKey, recipient, amount, assetId, fee, null, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public TransferAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, String recipient, BigDecimal amount,
-			long assetId, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, senderPublicKey, recipient, amount, assetId, fee, null);
+	/** Constructor excluding optional assetName. */
+	public TransferAssetTransactionData(BaseTransactionData baseTransactionData, String recipient, BigDecimal amount, long assetId) {
+		this(baseTransactionData, recipient, amount, assetId, null);
 	}
 
 	// Getters/setters

src/main/java/org/qora/data/transaction/UpdateAssetTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -44,12 +41,12 @@ public class UpdateAssetTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public UpdateAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, long assetId, String newOwner,
-			String newDescription, String newData, BigDecimal fee, byte[] orphanReference, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.UPDATE_ASSET, timestamp, txGroupId, reference, ownerPublicKey, fee, approvalStatus, height, signature);
+	public UpdateAssetTransactionData(BaseTransactionData baseTransactionData,
+			long assetId, String newOwner, String newDescription, String newData, byte[] orphanReference) {
+		super(TransactionType.UPDATE_ASSET, baseTransactionData);
 
 		this.assetId = assetId;
-		this.ownerPublicKey = ownerPublicKey;
+		this.ownerPublicKey = baseTransactionData.creatorPublicKey;
 		this.newOwner = newOwner;
 		this.newDescription = newDescription;
 		this.newData = newData;
@@ -57,15 +54,8 @@ public class UpdateAssetTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public UpdateAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, long assetId, String newOwner,
-			String newDescription, String newData, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, assetId, newOwner, newDescription, newData, fee, null, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public UpdateAssetTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, long assetId, String newOwner,
-			String newDescription, String newData, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, assetId, newOwner, newDescription, newData, fee, null);
+	public UpdateAssetTransactionData(BaseTransactionData baseTransactionData, long assetId, String newOwner, String newDescription, String newData) {
+		this(baseTransactionData, assetId, newOwner, newDescription, newData, null);
 	}
 
 	// Getters/Setters

src/main/java/org/qora/data/transaction/UpdateGroupTransactionData.java

@@ -1,7 +1,5 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
@@ -9,7 +7,6 @@ import javax.xml.bind.annotation.XmlTransient;
 
 import org.eclipse.persistence.oxm.annotations.XmlDiscriminatorValue;
 import org.qora.group.Group.ApprovalThreshold;
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -83,13 +80,12 @@ public class UpdateGroupTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public UpdateGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId,
-			String newOwner, String newDescription, boolean newIsOpen, ApprovalThreshold newApprovalThreshold,
-			int newMinimumBlockDelay, int newMaximumBlockDelay, byte[] groupReference,
-			BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.UPDATE_GROUP, timestamp, txGroupId, reference, ownerPublicKey, fee, approvalStatus, height, signature);
+	public UpdateGroupTransactionData(BaseTransactionData baseTransactionData,
+			int groupId, String newOwner, String newDescription, boolean newIsOpen, ApprovalThreshold newApprovalThreshold,
+			int newMinimumBlockDelay, int newMaximumBlockDelay, byte[] groupReference) {
+		super(TransactionType.UPDATE_GROUP, baseTransactionData);
 
-		this.ownerPublicKey = ownerPublicKey;
+		this.ownerPublicKey = baseTransactionData.creatorPublicKey;
 		this.newOwner = newOwner;
 		this.groupId = groupId;
 		this.newDescription = newDescription;
@@ -101,19 +97,10 @@ public class UpdateGroupTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public UpdateGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId,
-			String newOwner, String newDescription, boolean newIsOpen, ApprovalThreshold newApprovalThreshold,
-			int newMinimumBlockDelay, int newMaximumBlockDelay, BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, groupId, newOwner, newDescription, newIsOpen, newApprovalThreshold,
-				newMinimumBlockDelay, newMaximumBlockDelay, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public UpdateGroupTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, int groupId,
-			String newOwner, String newDescription, boolean newIsOpen, ApprovalThreshold newApprovalThreshold,
-			int newMinimumBlockDelay, int newMaximumBlockDelay, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, groupId, newOwner, newDescription, newIsOpen, newApprovalThreshold,
-				newMinimumBlockDelay, newMaximumBlockDelay, fee, null);
+	public UpdateGroupTransactionData(BaseTransactionData baseTransactionData,
+			int groupId, String newOwner, String newDescription, boolean newIsOpen, ApprovalThreshold newApprovalThreshold,
+			int newMinimumBlockDelay, int newMaximumBlockDelay) {
+		this(baseTransactionData, groupId, newOwner, newDescription, newIsOpen, newApprovalThreshold, newMinimumBlockDelay, newMaximumBlockDelay, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/UpdateNameTransactionData.java

@@ -1,13 +1,10 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 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.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -43,11 +40,10 @@ public class UpdateNameTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public UpdateNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String newOwner, String name, String newData,
-			byte[] nameReference, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.UPDATE_NAME, timestamp, txGroupId, reference, ownerPublicKey, fee, approvalStatus, height, signature);
+	public UpdateNameTransactionData(BaseTransactionData baseTransactionData, String newOwner, String name, String newData, byte[] nameReference) {
+		super(TransactionType.UPDATE_NAME, baseTransactionData);
 
-		this.ownerPublicKey = ownerPublicKey;
+		this.ownerPublicKey = baseTransactionData.creatorPublicKey;
 		this.newOwner = newOwner;
 		this.name = name;
 		this.newData = newData;
@@ -55,15 +51,8 @@ public class UpdateNameTransactionData extends TransactionData {
 	}
 
 	/** From network/API */
-	public UpdateNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String newOwner, String name, String newData,
-			BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, newOwner, name, newData, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public UpdateNameTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] ownerPublicKey, String newOwner, String name, String newData,
-			BigDecimal fee) {
-		this(timestamp, txGroupId, reference, ownerPublicKey, newOwner, name, newData, fee, null);
+	public UpdateNameTransactionData(BaseTransactionData baseTransactionData, String newOwner, String name, String newData) {
+		this(baseTransactionData, newOwner, name, newData, null);
 	}
 
 	// Getters / setters

src/main/java/org/qora/data/transaction/VoteOnPollTransactionData.java

@@ -1,12 +1,9 @@
 package org.qora.data.transaction;
 
-import java.math.BigDecimal;
-
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 
-import org.qora.transaction.Transaction.ApprovalStatus;
 import org.qora.transaction.Transaction.TransactionType;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -34,25 +31,18 @@ public class VoteOnPollTransactionData extends TransactionData {
 	}
 
 	/** From repository */
-	public VoteOnPollTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] voterPublicKey, String pollName, int optionIndex,
-			Integer previousOptionIndex, BigDecimal fee, ApprovalStatus approvalStatus, Integer height, byte[] signature) {
-		super(TransactionType.VOTE_ON_POLL, timestamp, txGroupId, reference, voterPublicKey, fee, approvalStatus, height, signature);
+	public VoteOnPollTransactionData(BaseTransactionData baseTransactionData, String pollName, int optionIndex, Integer previousOptionIndex) {
+		super(TransactionType.VOTE_ON_POLL, baseTransactionData);
 
-		this.voterPublicKey = voterPublicKey;
+		this.voterPublicKey = baseTransactionData.creatorPublicKey;
 		this.pollName = pollName;
 		this.optionIndex = optionIndex;
 		this.previousOptionIndex = previousOptionIndex;
 	}
 
 	/** From network/API */
-	public VoteOnPollTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] voterPublicKey, String pollName, int optionIndex,
-			BigDecimal fee, byte[] signature) {
-		this(timestamp, txGroupId, reference, voterPublicKey, pollName, optionIndex, null, fee, null, null, signature);
-	}
-
-	/** New, unsigned */
-	public VoteOnPollTransactionData(long timestamp, int txGroupId, byte[] reference, byte[] voterPublicKey, String pollName, int optionIndex, BigDecimal fee) {
-		this(timestamp, txGroupId, reference, voterPublicKey, pollName, optionIndex, fee, null);
+	public VoteOnPollTransactionData(BaseTransactionData baseTransactionData, String pollName, int optionIndex) {
+		this(baseTransactionData, pollName, optionIndex, null);
 	}
 
 	// Getters / setters