From da20c80697c8857db61823a16024919ddb5f6457 Mon Sep 17 00:00:00 2001
From: Arthur Britto <ahbritto@gmail.com>
Date: Sat, 2 Jun 2012 14:25:08 -0700
Subject: [PATCH] Add support for creating AccountSet transactions.

---
 src/Transaction.cpp | 67 +++++++++++++++++++++++++++++++++++----------
 src/Transaction.h   | 21 ++++++++++++++
 2 files changed, 73 insertions(+), 15 deletions(-)

diff --git a/src/Transaction.cpp b/src/Transaction.cpp
index 1e2908496d..bea825cf4b 100644
--- a/src/Transaction.cpp
+++ b/src/Transaction.cpp
@@ -112,6 +112,53 @@ bool Transaction::sign(const NewcoinAddress& naAccountPrivate)
 	return bResult;
 }
 
+//
+// AccountSet
+//
+
+Transaction::pointer Transaction::setAccountSet(
+	const NewcoinAddress& naPrivateKey,
+	bool								bUnsetEmailHash,
+	const uint128&						uEmailHash,
+	bool								bUnsetWalletLocator,
+	const uint256&						uWalletLocator,
+	const std::vector<unsigned char>&	vucPubKey)
+{
+	mTransaction->setITFieldU32(sfFlags,
+		  (bUnsetEmailHash ? tfUnsetEmailHash : 0)
+		| (bUnsetWalletLocator ? tfUnsetWalletLocator : 0));
+
+	if (!bUnsetEmailHash && !!uEmailHash)
+		mTransaction->setITFieldH128(sfEmailHash, uEmailHash);
+
+	if (!bUnsetWalletLocator && !!uWalletLocator)
+		mTransaction->setITFieldH256(sfWalletLocator, uWalletLocator);
+
+	if (!vucPubKey.empty())
+		mTransaction->setITFieldVL(sfMessageKey, vucPubKey);
+
+	sign(naPrivateKey);
+
+	return shared_from_this();
+}
+
+Transaction::pointer Transaction::sharedAccountSet(
+	const NewcoinAddress& naPublicKey, const NewcoinAddress& naPrivateKey,
+	const NewcoinAddress& naSourceAccount,
+	uint32								uSeq,
+	const STAmount&						saFee,
+	uint32								uSourceTag,
+	bool								bUnsetEmailHash,
+	const uint128&						uEmailHash,
+	bool								bUnsetWalletLocator,
+	const uint256&						uWalletLocator,
+	const std::vector<unsigned char>&	vucPubKey)
+{
+	pointer	tResult	= boost::make_shared<Transaction>(ttACCOUNT_SET, naPublicKey, naSourceAccount, uSeq, saFee, uSourceTag);
+
+	return tResult->setAccountSet(naPrivateKey, bUnsetEmailHash, uEmailHash, bUnsetWalletLocator, uWalletLocator, vucPubKey);
+}
+
 //
 // Claim
 //
@@ -175,9 +222,7 @@ Transaction::pointer Transaction::sharedCreate(
 	const NewcoinAddress&	naCreateAccountID,
 	const STAmount&			saFund)
 {
-	pointer	tResult	= boost::make_shared<Transaction>(ttPAYMENT,
-						naPublicKey, naSourceAccount,
-						uSeq, saFee, uSourceTag);
+	pointer	tResult	= boost::make_shared<Transaction>(ttPAYMENT, naPublicKey, naSourceAccount, uSeq, saFee, uSourceTag);
 
 	return tResult->setCreate(naPrivateKey, naCreateAccountID, saFund);
 }
@@ -212,9 +257,7 @@ Transaction::pointer Transaction::sharedCreditSet(
 	const STAmount&			saLimitAmount,
 	uint32					uAcceptRate)
 {
-	pointer	tResult	= boost::make_shared<Transaction>(ttCREDIT_SET,
-						naPublicKey, naSourceAccount,
-						uSeq, saFee, uSourceTag);
+	pointer	tResult	= boost::make_shared<Transaction>(ttCREDIT_SET, naPublicKey, naSourceAccount, uSeq, saFee, uSourceTag);
 
 	return tResult->setCreditSet(naPrivateKey, naDstAccountID, saLimitAmount, uAcceptRate);
 }
@@ -259,9 +302,7 @@ Transaction::pointer Transaction::sharedPayment(
 	const STAmount&			saSendMax,
 	const STPathSet&		saPaths)
 {
-	pointer	tResult	= boost::make_shared<Transaction>(ttPAYMENT,
-						naPublicKey, naSourceAccount,
-						uSeq, saFee, uSourceTag);
+	pointer	tResult	= boost::make_shared<Transaction>(ttPAYMENT, naPublicKey, naSourceAccount, uSeq, saFee, uSourceTag);
 
 	return tResult->setPayment(naPrivateKey, naDstAccountID, saAmount, saSendMax, saPaths);
 }
@@ -298,9 +339,7 @@ Transaction::pointer Transaction::sharedTransitSet(
 	uint32					uTransitStart,
 	uint32					uTransitExpire)
 {
-	pointer	tResult	= boost::make_shared<Transaction>(ttTRANSIT_SET,
-						naPublicKey, naSourceAccount,
-						uSeq, saFee, uSourceTag);
+	pointer	tResult	= boost::make_shared<Transaction>(ttTRANSIT_SET, naPublicKey, naSourceAccount, uSeq, saFee, uSourceTag);
 
 	return tResult->setTransitSet(naPrivateKey, uTransitRate, uTransitStart, uTransitExpire);
 }
@@ -337,9 +376,7 @@ Transaction::pointer Transaction::sharedWalletAdd(
 	const NewcoinAddress&				naNewPubKey,
 	const std::vector<unsigned char>&	vucSignature)
 {
-	pointer	tResult	= boost::make_shared<Transaction>(ttWALLET_ADD,
-						naPublicKey, naSourceAccount,
-						uSeq, saFee, uSourceTag);
+	pointer	tResult	= boost::make_shared<Transaction>(ttWALLET_ADD, naPublicKey, naSourceAccount, uSeq, saFee, uSourceTag);
 
 	return tResult->setWalletAdd(naPrivateKey, saAmount, naAuthKeyID, naNewPubKey, vucSignature);
 }
diff --git a/src/Transaction.h b/src/Transaction.h
index 9a28f5b283..a0eb1a12ae 100644
--- a/src/Transaction.h
+++ b/src/Transaction.h
@@ -46,6 +46,14 @@ private:
 
 	SerializedTransaction::pointer mTransaction;
 
+	Transaction::pointer setAccountSet(
+		const NewcoinAddress&				naPrivateKey,
+		bool								bUnsetEmailHash,
+		const uint128&						uEmailHash,
+		bool								bUnsetWalletLocator,
+		const uint256&						uWalletLocator,
+		const std::vector<unsigned char>&	vucPubKey);
+
 	Transaction::pointer setClaim(
 		const NewcoinAddress&				naPrivateKey,
 		const std::vector<unsigned char>&	vucGenerator,
@@ -96,6 +104,19 @@ public:
 		const STAmount&			saFee,				// Transaction fee.
 		uint32					uSourceTag);		// User call back value.
 
+	// Change account settings.
+	static Transaction::pointer sharedAccountSet(
+		const NewcoinAddress& naPublicKey, const NewcoinAddress& naPrivateKey,
+		const NewcoinAddress&				naSourceAccount,
+		uint32								uSeq,
+		const STAmount&						saFee,
+		uint32								uSourceTag,
+		bool								bUnsetEmailHash,
+		const uint128&						uEmailHash,
+		bool								bUnsetWalletLocator,
+		const uint256&						uWalletLocator,
+		const std::vector<unsigned char>&	vucPubKey);
+
 	// Claim a wallet.
 	static Transaction::pointer sharedClaim(
 		const NewcoinAddress& naPublicKey, const NewcoinAddress& naPrivateKey,