diff --git a/src/SerializedObject.h b/src/SerializedObject.h
index 60f8c3c75c..d321b6870b 100644
--- a/src/SerializedObject.h
+++ b/src/SerializedObject.h
@@ -31,6 +31,9 @@ enum SOE_Field
 	sfAmountOut,
 	sfAuthorizedKey,
 	sfBalance,
+	sfBorrowExpire,
+	sfBorrowRate,
+	sfBorrowStart,
 	sfBorrower,
 	sfCurrency,
 	sfCurrencyIn,
@@ -50,6 +53,7 @@ enum SOE_Field
 	sfLedgerHash,
 	sfLender,
 	sfLimit,
+	sfLimitAmount,
 	sfMessageKey,
 	sfMinimumOffer,
 	sfNextRate,
@@ -67,6 +71,9 @@ enum SOE_Field
 	sfSourceTag,
 	sfTarget,
 	sfTargetLedger,
+	sfTransitExpire,
+	sfTransitRate,
+	sfTransitStart,
 	sfWalletLocator,
 
 	// test fields
diff --git a/src/TransactionFormats.cpp b/src/TransactionFormats.cpp
index 06f833ea29..42af4a4c12 100644
--- a/src/TransactionFormats.cpp
+++ b/src/TransactionFormats.cpp
@@ -5,17 +5,6 @@
 
 TransactionFormat InnerTxnFormats[]=
 {
-	{ "Payment", ttPAYMENT, {
-		{ S_FIELD(Flags),        STI_UINT32,  SOE_FLAGS,    0 },
-		{ S_FIELD(Destination),  STI_ACCOUNT, SOE_REQUIRED, 0 },
-		{ S_FIELD(Amount),       STI_AMOUNT,  SOE_REQUIRED, 0 },
-		{ S_FIELD(SendMax),		 STI_AMOUNT,  SOE_IFFLAG,   1 },
-		{ S_FIELD(Paths),		 STI_PATHSET, SOE_IFFLAG,   2 },
-		{ S_FIELD(SourceTag),    STI_UINT32,  SOE_IFFLAG,   4 },
-		{ S_FIELD(InvoiceID),    STI_HASH256, SOE_IFFLAG,   8 },
-		{ S_FIELD(Extensions),   STI_TL,      SOE_IFFLAG,   0x02000000 },
-		{ sfInvalid, NULL,       STI_DONE,    SOE_NEVER,    -1 } }
-	},
 	{ "Claim", ttCLAIM, {
 		{ S_FIELD(Flags),        STI_UINT32,  SOE_FLAGS,    0 },
 		{ S_FIELD(Generator),    STI_VL,      SOE_REQUIRED, 0 },
@@ -25,6 +14,17 @@ TransactionFormat InnerTxnFormats[]=
 		{ S_FIELD(Extensions),   STI_TL,      SOE_IFFLAG,   0x02000000 },
 		{ sfInvalid, NULL,       STI_DONE,    SOE_NEVER,    -1 } }
 	},
+	{ "CreditSet", ttCREDIT_SET, {
+		{ S_FIELD(Flags),        STI_UINT32,  SOE_FLAGS,    0 },
+		{ S_FIELD(Destination),  STI_ACCOUNT, SOE_REQUIRED, 0 },
+		{ S_FIELD(LimitAmount),  STI_AMOUNT,  SOE_REQUIRED, 0 },
+		{ S_FIELD(BorrowRate),	 STI_UINT32,  SOE_IFFLAG,   1 },
+		{ S_FIELD(BorrowStart),	 STI_UINT32,  SOE_IFFLAG,   2 },
+		{ S_FIELD(BorrowExpire), STI_UINT32,  SOE_IFFLAG,   4 },
+		{ S_FIELD(SourceTag),    STI_UINT32,  SOE_IFFLAG,   8 },
+		{ S_FIELD(Extensions),   STI_TL,      SOE_IFFLAG,   0x02000000 },
+		{ sfInvalid, NULL,       STI_DONE,    SOE_NEVER,    -1 } }
+	},
 	{ "Invoice", ttINVOICE, {
 		{ S_FIELD(Flags),        STI_UINT32,  SOE_FLAGS,    0 },
 		{ S_FIELD(Target),       STI_ACCOUNT, SOE_REQUIRED, 0 },
@@ -36,7 +36,7 @@ TransactionFormat InnerTxnFormats[]=
 		{ S_FIELD(Extensions),   STI_TL,      SOE_IFFLAG,   0x02000000 },
 		{ sfInvalid, NULL,       STI_DONE,    SOE_NEVER,    -1 } }
 	},
-	{ "Offer", ttEXCHANGE_OFFER, {
+	{ "Offer", ttOFFER, {
 		{ S_FIELD(Flags),        STI_UINT32,  SOE_FLAGS,    0 },
 		{ S_FIELD(AmountIn),     STI_AMOUNT,  SOE_REQUIRED, 0 },
 		{ S_FIELD(CurrencyIn),   STI_HASH160, SOE_IFFLAG,   2 },
@@ -49,6 +49,26 @@ TransactionFormat InnerTxnFormats[]=
 		{ S_FIELD(Extensions),   STI_TL,      SOE_IFFLAG,   0x02000000 },
 		{ sfInvalid, NULL,       STI_DONE,    SOE_NEVER,    -1 } }
 	},
+	{ "Payment", ttPAYMENT, {
+		{ S_FIELD(Flags),        STI_UINT32,  SOE_FLAGS,    0 },
+		{ S_FIELD(Destination),  STI_ACCOUNT, SOE_REQUIRED, 0 },
+		{ S_FIELD(Amount),       STI_AMOUNT,  SOE_REQUIRED, 0 },
+		{ S_FIELD(SendMax),		 STI_AMOUNT,  SOE_IFFLAG,   1 },
+		{ S_FIELD(Paths),		 STI_PATHSET, SOE_IFFLAG,   2 },
+		{ S_FIELD(SourceTag),    STI_UINT32,  SOE_IFFLAG,   4 },
+		{ S_FIELD(InvoiceID),    STI_HASH256, SOE_IFFLAG,   8 },
+		{ S_FIELD(Extensions),   STI_TL,      SOE_IFFLAG,   0x02000000 },
+		{ sfInvalid, NULL,       STI_DONE,    SOE_NEVER,    -1 } }
+	},
+	{ "TransitSet", ttTRANSIT_SET, {
+		{ S_FIELD(Flags),        STI_UINT32,  SOE_FLAGS,    0 },
+		{ S_FIELD(TransitRate),	 STI_UINT32,  SOE_IFFLAG,	1 },
+		{ S_FIELD(TransitStart), STI_UINT32,  SOE_IFFLAG,   2 },
+		{ S_FIELD(TransitExpire),STI_UINT32,  SOE_IFFLAG,   4 },
+		{ S_FIELD(SourceTag),    STI_UINT32,  SOE_IFFLAG,   8 },
+		{ S_FIELD(Extensions),   STI_TL,      SOE_IFFLAG,   0x02000000 },
+		{ sfInvalid, NULL,       STI_DONE,    SOE_NEVER,    -1 } }
+	},
 	{ NULL, ttINVALID }
 };
 
diff --git a/src/TransactionFormats.h b/src/TransactionFormats.h
index fc1d70d944..95a4c01dca 100644
--- a/src/TransactionFormats.h
+++ b/src/TransactionFormats.h
@@ -9,7 +9,9 @@ enum TransactionType
 	ttPAYMENT			= 0,
 	ttCLAIM				= 1,
 	ttINVOICE			= 2,
-	ttEXCHANGE_OFFER	= 3
+	ttOFFER				= 3,
+	ttCREDIT_SET		= 20,
+	ttTRANSIT_SET		= 21,
 };
 
 struct TransactionFormat
@@ -28,8 +30,8 @@ const int TransactionISequence		= 3;
 const int TransactionIType			= 4;
 const int TransactionIFee			= 5;
 
-const int TransactionMinLen=32;
-const int TransactionMaxLen=1048576;
+const int TransactionMinLen			= 32;
+const int TransactionMaxLen			= 1048576;
 
 // Transaction flags.
 const uint32 tfCreateAccount		= 0x00010000;