New wallet system. Still missing unit tests, ledger synchronization,

and SQL code. This uses some of the 'magic' properties of elliptic
curves to create related families of public and private keys.
Wallet encryption is not needed because the private keys do not
need to be stored.

SQLiteDatabases.sql

@@ -35,7 +35,6 @@ CREATE TABLE Ledgers ( -- closed/accepted ledgers
 CREATE INDEX SeqLedger ON Ledgers(LedgerSeq);
 
 
-
 CREATE TABLE LedgerConfirmations (
 	LedgerSeq	BIGINT UNSIGNED,
 	LedgerHash	CHARACTER(64),
@@ -69,12 +68,22 @@ CREATE TABLE CommittedObjects (			-- used to synch nodes
 
 CREATE INDEX ObjectLocate ON CommittedObjects(LedgerIndex, ObjType);
 
-CREATE TABLE LocalAccounts (			-- wallet
+CREATE TABLE LocalAcctFamilies (		-- a family of accounts that share a payphrase
+	FamilyName	CHARACTER(40) PRIMARY KEY,
+	RootPubKey	CHARACTER(66),
+	Seq			BIGINT UNSIGNED,	-- last one issued
+	Name		TEXT,
+	Comment		TEXT
+)
+
+CREATE TABLE LocalAccounts (			-- an individual account
 	ID			CHARACTER(40) PRIMARY KEY,
+	DKID		CHARACTER(40),		-- root determinstic key
+	DKSeq		BIGINT UNSIGNED,	-- sequence number
 	Seq			BIGINT UNSIGNED,	-- last transaction seen/issued
 	Balance		BIGINT UNSIGNED,
 	LedgerSeq	BIGINT UNSIGNED,	-- ledger this balance is from
-	KeyFormat	CHARACTER(1),		-- can be encrypted
-	PrivateKey	BLOB,
 	Comment		TEXT
 );
+
+CREATE UNIQUE INDEX AccountLocate ON LocalAccounts(DKID, DKSeq);