diff --git a/apis/chestAdapter.lua b/apis/chestAdapter.lua
index 3688bd1..e23506a 100644
--- a/apis/chestAdapter.lua
+++ b/apis/chestAdapter.lua
@@ -1,111 +1,152 @@
-local class = require('class')
-local Logger = require('logger')
+local class      = require('class')
+local itemDB     = require('itemDB')
+local Peripheral = require('peripheral')
+local Util       = require('util')
 
-local ChestProvider = class()
- 
-function ChestProvider:init(args)
-  
-  args = args or { }
+local ChestAdapter = class()
 
-  self.stacks = {}
-  self.name = 'chest'
-  self.direction = args.direction or 'up'
-  self.wrapSide = args.wrapSide or 'bottom'
-  self.p = peripheral.wrap(self.wrapSide)
+local convertNames = {
+  name = 'id',
+  damage = 'dmg',
+  maxCount = 'max_size',
+  count = 'qty',
+  displayName = 'display_name',
+  maxDamage = 'max_dmg',
+}
+local keys = { 
+  'damage',
+  'displayName',
+  'maxCount',
+  'maxDamage',
+  'name',
+  'nbtHash',
+}
+
+-- Strip off color prefix
+local function safeString(text)
+
+  local val = text:byte(1)
+
+  if val < 32 or val > 128 then
+
+    local newText = {}
+    for i = 4, #text do
+      local val = text:byte(i)
+      newText[i - 3] = (val > 31 and val < 127) and val or 63
+    end
+    return string.char(unpack(newText))
+  end
+
+  return text
+end
+
+local function convertItem(item)
+  for k,v in pairs(convertNames) do
+    item[k] = item[v]
+    item[v] = nil
+  end
+  item.displayName = safeString(item.displayName)
+end
+
+function ChestAdapter:init(args)
+  local defaults = {
+    name      = 'chest',
+    direction = 'up',
+    wrapSide  = 'bottom',
+  }
+  Util.merge(self, defaults)
+  Util.merge(self, args)
+
+  local chest = Peripheral.getBySide(self.wrapSide)
+  if not chest then
+    chest = Peripheral.getByMethod('getAllStacks')
+  end
+  if chest then
+    Util.merge(self, chest)
+  end
 end
  
-function ChestProvider:isValid()
-  return self.p and self.p.getAllStacks
+function ChestAdapter:isValid()
+  return not not self.getAllStacks
 end
  
-function ChestProvider:refresh()
-  if self.p then
-    self.p.condenseItems()
-    self.stacks = self.p.getAllStacks(false)
-    local t = { }
-    for _,s in ipairs(self.stacks) do
-      local key = s.id .. ':' .. s.dmg
-      if t[key] and t[key].qty < 64 then
-        t[key].max_size = t[key].qty
-      else
-        t[key] = {
-          qty = s.qty
-        }
-      end
-    end
-    for _,s in ipairs(self.stacks) do
-      local key = s.id .. ':' .. s.dmg
-      if t[key].max_size then
-        s.max_size = t[key].qty
-      else
-        s.max_size = 64
+function ChestAdapter:refresh(throttle)
+  return self:listItems(throttle)
+end
+
+-- provide a consolidated list of items
+function ChestAdapter:listItems(throttle)
+  self.cache = { }
+
+  for _,v in pairs(self.getAllStacks(false)) do
+    convertItem(v)
+    local key = table.concat({ v.name, v.damage, v.nbtHash }, ':')
+
+    local entry = self.cache[key]
+    if not entry then
+      self.cache[key] = v
+
+      local ikey = { v.name, v.damage, v.nbtHash }
+      if not itemDB:get(ikey) then
+        local t = { }
+        for _,k in pairs(keys) do
+          t[k] = v[k]
+        end
+        itemDB:add(ikey, t)
       end
+    else
+      entry.count = entry.count + v.count
     end
   end
-  return self.stacks
+  itemDB:flush()
+  return self.cache
+end
+
+function ChestAdapter:getItemInfo(item)
+  if not self.cache then
+    self:listItems()
+  end
+  local key = table.concat({ item.name, item.damage, item.nbtHash }, ':')
+  return self.cache[key]
 end
  
-function ChestProvider:getItemInfo(id, dmg)
-  local item = { id = id, dmg = dmg, qty = 0, max_size = 64 }
-  for _,stack in pairs(self.stacks) do
-    if stack.id == id and stack.dmg == dmg then
-      item.name = stack.display_name
-      item.qty = item.qty + stack.qty
-      item.max_size = stack.max_size
-    end
-  end
-  if item.name then
-    return item
-  end
-end
- 
-function ChestProvider:craft(id, dmg, qty)
+function ChestAdapter:craft(id, dmg, qty)
   return false
 end
 
-function ChestProvider:craftItems(items)
+function ChestAdapter:craftItems(items)
 end
 
-function ChestProvider:provide(item, qty, slot)
-  if self.p then
-    self.stacks = self.p.getAllStacks(false)
-    for key,stack in pairs(self.stacks) do
-      if stack.id == item.id and stack.dmg == item.dmg then
-        local amount = math.min(qty, stack.qty)
-        self.p.pushItemIntoSlot(self.direction, key, amount, slot)
-        qty = qty - amount
-        if qty <= 0 then
-          break
-        end
+function ChestAdapter:provide(item, qty, slot, direction)
+  for key,stack in pairs(self.getAllStacks(false)) do
+    if stack.id == item.name and
+       stack.dmg == item.damage and
+       stack.nbt_hash == item.nbtHash then
+
+      local amount = math.min(qty, stack.qty)
+      self.pushItemIntoSlot(direction or self.direction, key, amount, slot)
+      qty = qty - amount
+      if qty <= 0 then
+        break
       end
     end
   end
 end
 
-function ChestProvider:extract(slot, qty)
-  if self.p then
-    self.p.pushItem(self.direction, slot, qty)
+function ChestAdapter:extract(slot, qty, toSlot)
+  if toSlot then
+    self.pushItemIntoSlot(self.direction, slot, qty, toSlot)
+  else
+    self.pushItem(self.direction, slot, qty)
   end
 end
 
-function ChestProvider:insert(slot, qty)
-  if self.p then
-    local s, m = pcall(function() self.p.pullItem(self.direction, slot, qty) end)
-    if not s and m then
-      print('chestProvider:pullItem')
-      print(m)
-      Logger.log('chestProvider', 'Insert failed, trying again')
-      sleep(1)
-      s, m = pcall(function() self.p.pullItem(self.direction, slot, qty) end)
-      if not s and m then
-        print('chestProvider:pullItem')
-        print(m)
-        Logger.log('chestProvider', 'Insert failed again')
-      else
-        Logger.log('chestProvider', 'Insert successful')
-      end
-    end
+function ChestAdapter:insert(slot, qty)
+  local s, m = pcall(function() self.pullItem(self.direction, slot, qty) end)
+  if not s and m then
+    sleep(1)
+    pcall(function() self.pullItem(self.direction, slot, qty) end)
   end
 end
 
-return ChestProvider
+return ChestAdapter
diff --git a/apis/chestAdapter18.lua b/apis/chestAdapter18.lua
index 4cc2d6b..0dae1ea 100644
--- a/apis/chestAdapter18.lua
+++ b/apis/chestAdapter18.lua
@@ -16,10 +16,9 @@ local keys = Util.transpose({
 
 function ChestAdapter:init(args)
   local defaults = {
-    items = { },
-    name = 'chest',
+    name      = 'chest',
     direction = 'up',
-    wrapSide = 'bottom',
+    wrapSide  = 'bottom',
   }
   Util.merge(self, defaults)
   Util.merge(self, args)
@@ -99,11 +98,11 @@ function ChestAdapter:listItems(throttle)
   return items
 end
 
-function ChestAdapter:getItemInfo(name, damage, nbtHash)
+function ChestAdapter:getItemInfo(item)
   if not self.cache then
     self:listItems()
   end
-  local key = table.concat({ name, damage, nbtHash }, ':')
+  local key = table.concat({ item.name, item.damage, item.nbtHash }, ':')
   return self.cache[key]
 end
 
diff --git a/apis/meAdapter.lua b/apis/meAdapter.lua
index 6fcd362..d8ec367 100644
--- a/apis/meAdapter.lua
+++ b/apis/meAdapter.lua
@@ -5,6 +5,49 @@ local Util       = require('util')
 
 local MEAdapter = class()
 
+local convertNames = {
+  name = 'id',
+  damage = 'dmg',
+  maxCount = 'max_size',
+  count = 'qty',
+  displayName = 'display_name',
+  maxDamage = 'max_dmg',
+}
+local keys = { 
+  'damage',
+  'displayName',
+  'maxCount',
+  'maxDamage',
+  'name',
+  'nbtHash',
+}
+
+-- Strip off color prefix
+local function safeString(text)
+
+  local val = text:byte(1)
+
+  if val < 32 or val > 128 then
+
+    local newText = {}
+    for i = 4, #text do
+      local val = text:byte(i)
+      newText[i - 3] = (val > 31 and val < 127) and val or 63
+    end
+    return string.char(unpack(newText))
+  end
+
+  return text
+end
+
+local function convertItem(item)
+  for k,v in pairs(convertNames) do
+    item[k] = item[v]
+    item[v] = nil
+  end
+  item.displayName = safeString(item.displayName)
+end
+
 function MEAdapter:init(args)
   local defaults = {
     items = { },
@@ -34,50 +77,8 @@ function MEAdapter:isValid()
   return self.getAvailableItems and self.getAvailableItems()
 end
 
--- Strip off color prefix
-local function safeString(text)
-
-  local val = text:byte(1)
-
-  if val < 32 or val > 128 then
-
-    local newText = {}
-    for i = 4, #text do
-      local val = text:byte(i)
-      newText[i - 3] = (val > 31 and val < 127) and val or 63
-    end
-    return string.char(unpack(newText))
-  end
-
-  return text
-end
-
-local convertNames = {
-  name = 'id',
-  damage = 'dmg',
-  maxCount = 'max_size',
-  count = 'qty',
-  displayName = 'display_name',
-  maxDamage = 'max_dmg',
-}
-
-local function convertItem(item)
-  for k,v in pairs(convertNames) do
-    item[k] = item[v]
-    item[v] = nil
-  end
-  item.displayName = safeString(item.displayName)
-end
-
 function MEAdapter:refresh()
-  local keys = { 
-    'damage',
-    'displayName',
-    'maxCount',
-    'maxDamage',
-    'name',
-    'nbtHash',
-  }
+
   self.items = self.getAvailableItems('all')
   for _,v in pairs(self.items) do
     Util.merge(v, v.item)
@@ -105,7 +106,7 @@ end
 function MEAdapter:getItemInfo(item)
    for key,i in pairs(self.items) do
     if item.name == i.name and item.damage == i.damage and item.nbtHash == i.nbtHash then
-      return item
+      return i
     end
   end
 end
@@ -143,7 +144,7 @@ function MEAdapter:craft(item, count)
             dmg = item.damage,
             nbt_hash = item.nbtHash,
           },
-          qty or 1,
+          count or 1,
           cpu
         )
 
@@ -207,8 +208,10 @@ function MEAdapter:craftItems(items)
     if count >= #cpus then
       break
     end
-    if self:craft(item.name, item.damage, item.count) then
-      count = count + 1
+    if not self:isCrafting(item) then
+      if self:craft(item, item.count) then
+        count = count + 1
+      end
     end
   end
 end
diff --git a/apps/builder.lua b/apps/builder.lua
index 2b9d968..71bd757 100644
--- a/apps/builder.lua
+++ b/apps/builder.lua
@@ -7,6 +7,7 @@ requireInjector(getfenv(1))
 local Blocks    = require('blocks')
 local class     = require('class')
 local Event     = require('event')
+local itemDB    = require('itemDB')
 local MEAdapter = require('meAdapter')
 local Message   = require('message')
 local Point     = require('point')
@@ -44,9 +45,10 @@ local pistonFacings
 
 -- Temp functions until conversion to new adapters is complete
 local function convertSingleForward(item)
+  item.displayName = item.display_name
   item.name = item.id
   item.damage = item.dmg
-  item.count = item.count
+  item.count = item.qty
   item.maxCount = item.max_size
   return item
 end
@@ -65,6 +67,7 @@ local function convertSingleBack(item)
     item.qty = item.count
     item.max_size = item.maxCount
     item.display_name = item.displayName
+    --item.name = item.displayName
   end
   return item
 end
@@ -395,7 +398,7 @@ function Builder:getGenericSupplyList(blockIndex)
 
   for _,s in pairs(slots) do
     if s.id then
-      s.name = blocks.nameDB:getName(s.id, s.dmg)
+      s.display_name = itemDB:getName({ name = s.id, damage = s.dmg })
     end
   end
 
@@ -476,9 +479,13 @@ function Builder:getSupplies()
   local t = { }
   for _,s in ipairs(self.slots) do
     if s.need > 0 then
-      local item = convertSingleBack(self.itemAdapter:getItemInfo(s.id, s.dmg))
+      local item = convertSingleBack(self.itemAdapter:getItemInfo({
+        name = s.id,
+        damage = s.dmg,
+        nbtHash = s.nbt_hash,
+      }))
       if item then
-        s.name = item.display_name
+        s.display_name = item.display_name
 
         local qty = math.min(s.need - s.qty, item.qty)
 
@@ -494,7 +501,7 @@ function Builder:getSupplies()
           s.qty = turtle.getItemCount(s.index)
         end
       else
-        s.name = blocks.nameDB:getName(s.id, s.dmg)
+        s.display_name = itemDB:getName({ name = s.id, damage = s.dmg })
       end
     end
     if s.qty < s.need then
@@ -1463,10 +1470,10 @@ substitutionPage.menuBar:add({
 function substitutionPage.info:draw()
 
   local sub = self.parent.sub
-  local inName = blocks.nameDB:getName(sub.id, sub.dmg)
+  local inName = itemDB:getName({ name = sub.id, damage = sub.dmg })
   local outName = ''
   if sub.sid then
-    outName = blocks.nameDB:getName(sub.sid, sub.sdmg)
+    outName = itemDB:getName({ name = sub.sid, damage = sub.sdmg })
   end
 
   self:clear()
@@ -1513,10 +1520,10 @@ function substitutionPage:eventHandler(event)
     self.statusBar:draw()
 
   elseif event.type == 'grid_select' then
-    if not blocks.nameDB:lookupName(event.selected.id, event.selected.dmg) then
-      blocks.nameDB:add({event.selected.id, event.selected.dmg}, event.selected.name)
-      blocks.nameDB:flush()
-    end
+--    if not item:lookupName(event.selected.id, event.selected.dmg) then
+--      blocks.nameDB:add({event.selected.id, event.selected.dmg}, event.selected.name)
+--      blocks.nameDB:flush()
+--    end
 
     self:applySubstitute(event.selected.id, event.selected.dmg)
     self.info:draw()
@@ -1581,15 +1588,15 @@ supplyPage = UI.Page {
       --{ text = 'Refresh', event = 'refresh', help = 'Refresh inventory' },
       { text = 'Continue',    event = 'build', help = 'Continue building' },
       { text = 'Menu',        event = 'menu',  help = 'Return to main menu' },
-      { text = 'Force Craft', event = 'craft', help = 'Request crafting (again)' },
+--      { text = 'Force Craft', event = 'craft', help = 'Request crafting (again)' },
     }
   },
   grid = UI.Grid {
     columns = {
-      { heading = 'Name', key = 'name',  width = UI.term.width - 7 },
+      { heading = 'Name', key = 'display_name',  width = UI.term.width - 7 },
       { heading = 'Need', key = 'need',  width = 4                 },
     },
-    sortColumn = 'name',
+    sortColumn = 'display_name',
     y = 3,
     width = UI.term.width,
     height = UI.term.height - 3
@@ -1610,10 +1617,11 @@ supplyPage = UI.Page {
 
 function supplyPage:eventHandler(event)
 
+--[[
   if event.type == 'craft' then
     local s = self.grid:getSelected()
-    if Builder.itemAdapter:craft(s.id, s.dmg, s.need-s.qty) then
-      local name = s.name or ''
+    if Builder.itemAdapter:craftItems({{ name = s.id, damage = s.dmg, nbtHash = s.nbt_hash }}, s.need-s.qty) then
+      local name = s.display_name or ''
       self.statusBar:timedStatus('Requested ' .. s.need-s.qty .. ' ' .. name, 3)
     else
       self.statusBar:timedStatus('Unable to craft')
@@ -1621,8 +1629,9 @@ function supplyPage:eventHandler(event)
 
   elseif event.type == 'refresh' then
     self:refresh()
+]]
 
-  elseif event.type == 'build' then
+  if event.type == 'build' then
     Builder:build()
 
   elseif event.type == 'menu' then
@@ -1709,11 +1718,11 @@ listingPage = UI.Page({
   }),
   grid = UI.ScrollingGrid({
     columns = {
-      { heading = 'Name', key = 'name', width = UI.term.width - 14 },
+      { heading = 'Name', key = 'display_name', width = UI.term.width - 14 },
       { heading = 'Need', key = 'need', width = 5                  },
       { heading = 'Have', key = 'qty',  width = 5                  },
     },
-    sortColumn = 'name',
+    sortColumn = 'display_name',
     y = 3,
     height = UI.term.height-3,
     help = 'Set a block type or pick a substitute block'
@@ -1737,13 +1746,17 @@ function listingPage:eventHandler(event)
 
   if event.type == 'craft' then
     local s = self.grid:getSelected()
-    local item = convertSingleBack(Builder.itemAdapter:getItemInfo(s.id, s.dmg))
+    local item = convertSingleBack(Builder.itemAdapter:getItemInfo({
+      name = s.id,
+      damage = s.dmg,
+      nbtHash = s.nbt_hash,
+    }))
     if item and item.is_craftable then
       local qty = math.max(0, s.need - item.qty)
 
       if item then
-        Builder.itemAdapter:craft(s.id, s.dmg, qty)
-        local name = s.name or s.key
+        Builder.itemAdapter:craftItems({{ name = s.id, damage = s.dmg, nbtHash = s.nbt_hash, count = qty }})
+        local name = s.display_name or s.id
         self.statusBar:timedStatus('Requested ' .. qty .. ' ' .. name, 3)
       end
     else
@@ -1801,27 +1814,31 @@ function listingPage:refresh(throttle)
 
   for _,b in pairs(supplyList) do
     if b.need > 0 then
-      local item = convertSingleBack(Builder.itemAdapter:getItemInfo(b.id, b.dmg))
+      local item = convertSingleBack(Builder.itemAdapter:getItemInfo({
+        name = b.id,
+        damage = b.dmg,
+        nbtHash = b.nbt_hash,
+      }))
 
       if item then
-        local block = blocks.blockDB:lookup(b.id, b.dmg)
-        if not block then
-          blocks.nameDB:add({b.id, b.dmg}, item.display_name)
-        elseif not block.name and item.display_name then
-          blocks.nameDB:add({b.id, b.dmg}, item.display_name)
-        end
-        b.name = item.display_name
+--        local block = blocks.blockDB:lookup(b.id, b.dmg)
+--        if not block then
+--          blocks.nameDB:add({b.id, b.dmg}, item.display_name)
+--        elseif not block.name and item.display_name then
+--          blocks.nameDB:add({b.id, b.dmg}, item.display_name)
+--        end
+        b.display_name = item.display_name
         b.qty = item.qty
         b.is_craftable = item.is_craftable
       else
-        b.name = blocks.nameDB:getName(b.id, b.dmg)
+        b.display_name = itemDB:getName({ name = b.id, damage = b.dmg })
       end
     end
     if throttle then
       throttle()
     end
   end
-  blocks.nameDB:flush()
+  --blocks.nameDB:flush()
 
   if self.fullList then
     self.grid:setValues(supplyList)
diff --git a/apps/supplier.lua b/apps/supplier.lua
index 042de28..779c049 100644
--- a/apps/supplier.lua
+++ b/apps/supplier.lua
@@ -139,7 +139,7 @@ function Builder:getSupplies()
   local t = { }
   for _,s in ipairs(self.slots) do
     if s.need > 0 then
-      local item = Builder.itemProvider:getItemInfo(s.id, s.dmg)
+      local item = Builder.itemProvider:getItemInfo(s)
       if item then
         if item.name then
           s.name = item.name