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[VIDEO] How to create a smart contract on Waves Platform: Smart Account

Want to know how to create a smart contract? In this second video we’ll show you how you to setup a smart account on Waves Platform. Thanks a lot Woutje from Bearwaves for supplying the code used in this example.

Script code

#Smart account script which enables transactions when
#the blockchain reaches a certain height

let UnblockHeight = 588775;

match (tx) {
   case e:TransferTransaction =>
  
 if(height < UnblockHeight)
   then
       #Not allowed to send
       false
   else
       #Allowed to send
       true

   #All other tx types not allowed
   case _ => false
 }

[VIDEO] How to create a smart contract on Waves Platform: Smart Assets

Want to know how to create a smart contract? In this video we’ll show you how you can perform the first part of creating a smart contract (on the Waves Platform): creating a smart asset. Thanks a lot Woutje from Bearwaves for supplying the code used in this example.

Script code

#A Smart Asset which checks for a data transaction to enable or disable token burning
#If EnableBurn is set to true burning of the token is allowed. Else it is not.
#Address defined for data transaction:
let AddressWithData = Address(base58'3P9joJaAYxoTR1oWr38bNrQSrnpqAZVzbm6')

let EnableBurn = extract(getBoolean(AddressWithData, "EnableBurn"))

if (EnableBurn) then

match (tx) {
    case _ => true
  }

else

match (tx) {
    case b:BurnTransaction => false
    case _ => true
  }

Data transaction code 

#A data transaction lets you send data to an account
{
  "type": 12,
  "version": 1,
  "fee": 100000,
  "data": [
    {
      "type": "boolean",
      "key": "EnableBurn",
      "value": true
    }
  ]
}

[VIDEO] Waves Keeper: Metamask for Waves Platform

Waves Keeper is Meta Mask, but for the Waves Platform. It is a browser extension that allows you to interact with Waves-enabled web services and apps in a seamless fashion. Waves Keeper manages your private keys in a secure manner so you can easily use Waves.

We show you how to register and connect your current Waves-account to Waves Keeper.