token standard: 0x address and fix token.lua code

lua-examples/ao-standard-token/README.md

@@ -101,6 +101,16 @@ If there is an insufficient balance, then you will receive a `Transfer-Error` Me
 }
 ```
 
+If the Transfer's Recipient is a 0x address, it must be an [EIP55](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-55.md) standard address, since 0x addresses on ao only support the EIP55 address format.
+You can use the methods in the [APM](https://apm.betteridea.dev/pkg?id=6CodALD5aCaSByXrEqw2RcmkFWUQ8B9ZuN6VU-4IJtI) library.
+such as:
+```lua
+local utils = require(".utils")
+handlers.add('transfer', ...)
+    assert(utils.verifyEccAddress(msg.Tags.Recipient) == true, 'Ecc recipient must be EIP55')
+
+```
+
 ### Mint
 
 The Process itself can `mint` more `Points Coin`!

lua-examples/ao-standard-token/token.lua

@@ -21,6 +21,7 @@
         them the Processes' balance
 ]] --
 local json = require('json')
+local ao = require('.ao')
 
 --[[
   Initialize State
@@ -44,15 +45,15 @@ if not Logo then Logo = 'SBCCXwwecBlDqRLUjb8dYABExTJXLieawf7m2aBJ-KY' end
 --[[
   Info
 ]] --
-handlers.add('info', handlers.utils.hasMatchingTag('Action', 'Info'), function(msg)
+Handlers.add('info', Handlers.utils.hasMatchingTag('Action', 'Info'), function(msg)
   ao.send(
       { Target = msg.From, Tags = { Name = Name, Ticker = Ticker, Logo = Logo, Denomination = tostring(Denomination) } })
 end)
 
 --[[
   Balance
 ]] --
-handlers.add('balance', handlers.utils.hasMatchingTag('Action', 'Balance'), function(msg)
+Handlers.add('balance', Handlers.utils.hasMatchingTag('Action', 'Balance'), function(msg)
   local bal = '0'
 
   -- If not Target is provided, then return the Senders balance
@@ -71,13 +72,13 @@ end)
 --[[
   Balances
 ]] --
-handlers.add('balances', handlers.utils.hasMatchingTag('Action', 'Balances'),
+Handlers.add('balances', Handlers.utils.hasMatchingTag('Action', 'Balances'),
              function(msg) ao.send({ Target = msg.From, Data = json.encode(Balances) }) end)
 
 --[[
   Transfer
 ]] --
-handlers.add('transfer', handlers.utils.hasMatchingTag('Action', 'Transfer'), function(msg)
+Handlers.add('transfer', Handlers.utils.hasMatchingTag('Action', 'Transfer'), function(msg)
   assert(type(msg.Tags.Recipient) == 'string', 'Recipient is required!')
   assert(type(msg.Tags.Quantity) == 'string', 'Quantity is required!')
 
@@ -119,7 +120,7 @@ end)
 --[[
  Mint
 ]] --
-handlers.add('mint', handlers.utils.hasMatchingTag('Action', 'Mint'), function(msg, env)
+Handlers.add('mint', Handlers.utils.hasMatchingTag('Action', 'Mint'), function(msg, env)
   assert(type(msg.Tags.Quantity) == 'string', 'Quantity is required!')
 
   if msg.From == env.Process.Id then