Add release blurb.

RELEASE-NOTES

@@ -1,3 +1,12 @@
+Version 0.03
+------------
+
+- merged bauerj's abstracted DB engine contribution to make it easy to
+  play with different backends.  In addition to LevelDB this adds
+  support for RocksDB and LMDB.  We're interested in your comparitive
+  performance experiences.
+
+
 Version 0.02
 ------------
 

samples/scripts/NOTES

@@ -1,7 +1,5 @@
 The following environment variables are required:
 
-COIN          - see lib/coins.py, must be a coin NAME
-NETWORK       - see lib/coins.py, must be a coin NET
 DB_DIRECTORY  - path to the database directory (if relative, to run script)
 USERNAME      - the username the server will run as
 SERVER_MAIN   - path to the server_main.py script (if relative, to run script)
@@ -11,14 +9,11 @@ DAEMON_URL    - the URL used to connect to the daemon.  Should be of the form
                 DAEMON_HOST and DAEMON_PORT.  DAEMON_PORT is optional and
                 will default appropriately for COIN.
 
-In addition either RPC_URL must be given as the full RPC URL for
-connecting to the daemon, or you must specify RPC_HOST, RPC_USER,
-RPC_PASSWORD and optionally RPC_PORT (it defaults appropriately for
-the coin and network otherwise).
-
 The other environment variables are all optional and will adopt
 sensible defaults if not specified.
 
+COIN          - see lib/coins.py, must be a coin NAME.  Defaults to Bitcoin.
+NETWORK       - see lib/coins.py, must be a coin NET.  Defaults to mainnet.
 REORG_LIMIT   - maximum number of blocks to be able to handle in a chain
                 reorganisation.  ElectrumX retains some fairly compact
                 undo information for this many blocks in levelDB.
@@ -47,5 +42,7 @@ UTXO_MB   - amount of UTXO and history cache, in MB, to retain before
             very dependent on hardware and you may have different
             results.
 
-DB_ENGINE - database engine for the transaction database, either rocksdb,
-            leveldb or lmdb
+DB_ENGINE - database engine for the transaction database.  Default is
+            leveldb.  Supported alternatives are rocksdb and lmdb,
+            which will require installation of the appropriate python
+            packages.

server/version.py

@@ -1 +1 @@
-VERSION = "ElectrumX 0.02"
+VERSION = "ElectrumX 0.03"