vechain.energy
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  • Home
    • What is Vechain?
    • Create a Wallet
      • shell + openssl
      • Faucet
      • Sync2
    • Connect with..
      • Browser
      • Node.js
      • Python
    • Develop with..
        • Builtin Storage Access
        • Multi Task Atomic Transactions
      • Hardhat
      • Openzeppelin
      • Openzeppelin Upgradable
      • Python Deployment
      • Read States & Views
      • Execute Functions
      • Access Events & Logs
      • Fee Delegation
      • Transaction Dependency
      • Public Node
        • Support Sync Browser and Sync2( lite)
        • Support Veworld
      • Access Price on Verocket
      • Calculate Gas Fees
      • Decode Events from Contract
      • Decode Transaction Data
      • Extract Private Keys from Wallet Backups
      • Identify a (X )Node
      • Identify User Wallets
      • Implement Web3auth
      • Interact with Ethers and Thor Devkit
      • Interact with Sync2
      • Lookup Abi with Raw Data
      • Read with Ethers and Connex
      • User Profiles from Vesea and Wov
        • Filter Multiple Events
        • Obtain List of Token Owners
        • Frequently Passed Problems
        • Get Owned Token Ids for Nft
        • Read Events on Every New Block
    • Datasheet
    • What is vechain.energy?
      • What is Fee Delegation?
      • How to Setup
      • Implementation
      • Contract Verification
      • Contract Rate Limits
      • Signing API
      • Debugging
      • Go-Live-Checklist
      • On-Chain Whitelist
        • Deploy
      • What is a Relay?
      • How to Setup
      • Request
      • Response
      • Options
      • Debugging
      • What are Schedulers?
      • How to Setup
      • Options
      • Debugging
      • What are Webhooks?
      • How to Setup
      • Function
        • Available Apis
        • Blockchain Connectivity
      • Options
      • Types
      • Paid Plan
      • Debugging
        • MongoDB Atlas
        • NFT Transfer + TokenURI
      • What are Swap Providers?
      • How to Setup
      • Options
      • States
      • Events & Logs
      • Signature Lookup
      • What is the Auth Service?
      • OAuth2
      • OpenID Connect
      • Session Storage
      • Verify Correctness
        • NextAuth.js
        • Auth0
        • WordPress
        • Static HTML (opens in a new tab)
        • Discord.js (opens in a new tab)
    • Virtual Proxy Node
      • What are Oracles?
      • VET/USD (MainNet)
      • VTHO/USD (MainNet)
      • B3TR/USD (MainNet)
      • EURT/USD (MainNet)
      • BRL/USD (MainNet)
      • VET/USD (TestNet)
      • VTHO/USD (TestNet)
      • B3TR/USD (TestNet)
      • EURT/USD (TestNet)
      • BRL/USD (TestNet)
      • Self Hosting
    • Base64 Outputs
    • Deploy Contracts in Contracts
    • Swap Tokens in Contracts
    • Time Based Decisions
    • Verify a Data Source
  • Home
    • What is Vechain?
    • Create a Wallet
      • shell + openssl
      • Faucet
      • Sync2
    • Connect with..
      • Browser
      • Node.js
      • Python
    • Develop with..
        • Builtin Storage Access
        • Multi Task Atomic Transactions
      • Hardhat
      • Openzeppelin
      • Openzeppelin Upgradable
      • Python Deployment
      • Read States & Views
      • Execute Functions
      • Access Events & Logs
      • Fee Delegation
      • Transaction Dependency
      • Public Node
        • Support Sync Browser and Sync2( lite)
        • Support Veworld
      • Access Price on Verocket
      • Calculate Gas Fees
      • Decode Events from Contract
      • Decode Transaction Data
      • Extract Private Keys from Wallet Backups
      • Identify a (X )Node
      • Identify User Wallets
      • Implement Web3auth
      • Interact with Ethers and Thor Devkit
      • Interact with Sync2
      • Lookup Abi with Raw Data
      • Read with Ethers and Connex
      • User Profiles from Vesea and Wov
        • Filter Multiple Events
        • Obtain List of Token Owners
        • Frequently Passed Problems
        • Get Owned Token Ids for Nft
        • Read Events on Every New Block
    • Datasheet
    • What is vechain.energy?
      • What is Fee Delegation?
      • How to Setup
      • Implementation
      • Contract Verification
      • Contract Rate Limits
      • Signing API
      • Debugging
      • Go-Live-Checklist
      • On-Chain Whitelist
        • Deploy
      • What is a Relay?
      • How to Setup
      • Request
      • Response
      • Options
      • Debugging
      • What are Schedulers?
      • How to Setup
      • Options
      • Debugging
      • What are Webhooks?
      • How to Setup
      • Function
        • Available Apis
        • Blockchain Connectivity
      • Options
      • Types
      • Paid Plan
      • Debugging
        • MongoDB Atlas
        • NFT Transfer + TokenURI
      • What are Swap Providers?
      • How to Setup
      • Options
      • States
      • Events & Logs
      • Signature Lookup
      • What is the Auth Service?
      • OAuth2
      • OpenID Connect
      • Session Storage
      • Verify Correctness
        • NextAuth.js
        • Auth0
        • WordPress
        • Static HTML (opens in a new tab)
        • Discord.js (opens in a new tab)
    • Virtual Proxy Node
      • What are Oracles?
      • VET/USD (MainNet)
      • VTHO/USD (MainNet)
      • B3TR/USD (MainNet)
      • EURT/USD (MainNet)
      • BRL/USD (MainNet)
      • VET/USD (TestNet)
      • VTHO/USD (TestNet)
      • B3TR/USD (TestNet)
      • EURT/USD (TestNet)
      • BRL/USD (TestNet)
      • Self Hosting
    • Base64 Outputs
    • Deploy Contracts in Contracts
    • Swap Tokens in Contracts
    • Time Based Decisions
    • Verify a Data Source
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Vechain
Develop with..
hardhatOpenZeppelinCommon Pitfalls
PythonBuiltin Storage Access
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