diff --git a/docs/actions/ISSUE.md b/docs/actions/ISSUE.md
index 8bbc661..fd239ac 100644
--- a/docs/actions/ISSUE.md
+++ b/docs/actions/ISSUE.md
@@ -103,7 +103,8 @@ This example issues a TEST token with a max supply of 100, and a maximum mint of
 - Additional `TICK` `ISSUE` transactions after first valid `TICK` `ISSUE`, will be considered invalid and ignored, unless broadcast from `token` owners address
 - `DECIMALS` can not be changed after `token` supply is issued and/or minted
 - `MAX_SUPPLY` max value is 1,000,000,000,000,000,000,000 (1 Sextillion)
-- `LOCK_SUPPLY` can not be set to `1` and permanently locked unless `MAX_SUPPLY` is set to a non-zero number.
+- `MAX_SUPPLY` can not be set below existing supply
+- `LOCK_SUPPLY` can not be set to `1` and permanently locked until `MIN_TOKEN_SUPPLY` supply exists.
 
 ## Notes
 - `ISSUE` `TICK` with `MAX_SUPPLY` and `MINT_SUPPLY` set to any non `0` value, to mint supply until `MAX_SUPPLY` is reached (owner can mint beyond `MAX_MINT`)
diff --git a/indexer/CHANGELOG.md b/indexer/CHANGELOG.md
index ca09e2c..d3aaf6a 100644
--- a/indexer/CHANGELOG.md
+++ b/indexer/CHANGELOG.md
@@ -1,5 +1,12 @@
 CHANGELOG
 ---
+0.10.1
+- set MIN_TOKEN_SUPPLY to 0.000000000000000001
+- Prevent LOCK_SUPPLY if no supply is issued 
+- Prevent setting MAX_SUPPLY below current SUPPLY
+- Updated getTokenSupply() to use CAST in sql queries
+- Updated getAssetInfo() to only lookup assets using name 
+
 0.10.0 - Initial Release
 - ISSUE support
 - LIST support
diff --git a/indexer/includes/actions/issue.php b/indexer/includes/actions/issue.php
index d1a2395..c54e914 100644
--- a/indexer/includes/actions/issue.php
+++ b/indexer/includes/actions/issue.php
@@ -153,6 +153,14 @@ function btnsIssue( $params=null, $data=null, $error=null){
     if(!$error && isset($data->MAX_SUPPLY) && ($data->MAX_SUPPLY < MIN_TOKEN_SUPPLY || $data->MAX_SUPPLY > MAX_TOKEN_SUPPLY))
         $error = 'invalid: MAX_SUPPLY (min/max)';
 
+    // Verify MAX_SUPPLY is not set below current SUPPLY
+    if(!$error && isset($data->MAX_SUPPLY) && $data->MAX_SUPPLY < $data->SUPPLY)
+        $error = 'invalid: MAX_SUPPLY < SUPPLY';
+
+    // Verify SUPPLY is at least MIN_TOKEN_SUPPLY before allowing LOCK_SUPPLY
+    if(!$error && $data->LOCK_SUPPLY && (($btInfo && $btInfo->SUPPLY < MIN_TOKEN_SUPPLY) || (!$btInfo && $data->MINT_SUPPLY < MIN_TOKEN_SUPPLY)))
+        $error = 'invalid: LOCK_SUPPLY (no supply)';
+
     // Verify DECIMAL min/max
     if(!$error && isset($data->DECIMALS) && ($data->DECIMALS < MIN_TOKEN_DECIMALS || $data->DECIMALS > MAX_TOKEN_DECIMALS))
         $error = 'invalid: DECIMALS (min/max)';
diff --git a/indexer/includes/config.php b/indexer/includes/config.php
index 34de998..7bcc77a 100644
--- a/indexer/includes/config.php
+++ b/indexer/includes/config.php
@@ -10,7 +10,7 @@
 // BTNS Indexer Version
 define("VERSION_MAJOR", 0);
 define("VERSION_MINOR", 10);
-define("VERSION_REVISION",0);
+define("VERSION_REVISION",1);
 define("VERSION_STRING", VERSION_MAJOR . '.' . VERSION_MINOR . '.' . VERSION_REVISION);
 
 // TICK constants
@@ -22,7 +22,7 @@
 define("RESERVED_TICKS",$reserved);
 
 // Min/Max MAX_SUPPLY
-define('MIN_TOKEN_SUPPLY',0);
+define('MIN_TOKEN_SUPPLY',0.000000000000000001);
 define('MAX_TOKEN_SUPPLY',1000000000000000000000);
 
 // Min/Max DECIMALS
diff --git a/indexer/includes/functions.php b/indexer/includes/functions.php
index a9dbceb..42ddf0d 100644
--- a/indexer/includes/functions.php
+++ b/indexer/includes/functions.php
@@ -930,13 +930,11 @@ function getAssetId($asset=null){
 // Handle getting asset information for an asset
 function getAssetInfo($asset=null){
     global $mysqli, $dbase;
-    $type = gettype($tick);
+    $type = gettype($asset);
     $data = false;
-    if($type==='integer' || is_numeric($asset)){
-        $asset_id = $asset;
-    } else {
+    // Only do lookup on strings, since all CP assets are strings
+    if($type=='string')
         $asset_id = getAssetId($asset);
-    }
     if($asset_id){
         // Get data from assets table
         $sql = "SELECT 
@@ -1228,8 +1226,10 @@ function getTokenSupply( $tick=null ){
         $tick_id = $tick;
     if($type==='string' && !is_numeric($tick))
         $tick_id = createTicker($tick);
-    // Get Credits
-    $sql = "SELECT SUM(amount) as credits FROM credits WHERE tick_id='{$tick_id}'";
+    // Get info on decimal precision
+    $decimals = getTokenDecimalPrecision($tick_id);
+    // Get Credits 
+    $sql = "SELECT CAST(SUM(amount) AS DECIMAL(60,$decimals)) as credits FROM credits WHERE tick_id='{$tick_id}'";
     $results = $mysqli->query($sql);
     if($results){
         if($results->num_rows){
@@ -1240,7 +1240,7 @@ function getTokenSupply( $tick=null ){
         byeLog('Error while trying to get list of credits');
     }
     // Get Debits
-    $sql = "SELECT SUM(amount) as debits FROM debits WHERE tick_id='{$tick_id}'";
+    $sql = "SELECT CAST(SUM(amount) AS DECIMAL(60,$decimals)) as debits FROM debits WHERE tick_id='{$tick_id}'";
     $results = $mysqli->query($sql);
     if($results){
         if($results->num_rows){
@@ -1250,12 +1250,10 @@ function getTokenSupply( $tick=null ){
     } else {
         byeLog('Error while trying to get list of debits');
     }
-    $decimals = getTokenDecimalPrecision($tick_id);
-    $supply   = bcsub($credits, $debits, $decimals);
+    $supply = bcsub($credits, $debits, $decimals);
     return $supply;
 }
 
-
 // Handle doing VERY lose validation on an address
 function isCryptoAddress( $address=null ){
     $len   = strlen($address);