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Dev Documents
  • README
  • Basic Concepts
    • TEA Developer Prerequisites
    • The TEA Economic Revolution for Developers
    • The Future of Layer-2s
    • What Makes a Web3 App?
    • Magic of the State Machine
  • Step by Step Tutorial
    • Install Dev Environment
    • Hello World
      • Step 1: Build sample-actor and Run Unit Test
      • Step 2: Start the Local Dev Environment
      • Sample Actor Code Walkthrough
      • Sample Front-end Code Walkthrough
      • 025_understand_request_and_response
    • Deploy Hello World on Testnet
    • Add Login Feature
      • Sample-actor Code Walkthrough - Login Branch
        • tea_sdk_utils
      • Sample Front-end Walkthrough - Login Branch
    • SQL
      • Sample Txn Executor
      • Sample Actor
      • Sample Front-end
    • Reward Fund Transfer
      • Sample Txn Executor
    • Retweet Task
      • Retweet Frontend
      • Retweet Sample Actor
      • Retweet Txn Executor
      • Retweet FAQ
    • Gas Fees
      • Query logs
      • A deep dive into gas measurement and settlement
    • Summary
  • Billing
    • Billing FAQ
    • Gas Fee Billing
    • Gas & Fuse Limits
    • Local Debugging Environment
    • State Maintainer Billing
    • TApp Billing
  • Example TApps
  • Advanced TApps
    • TEA Party TApp Intro
    • TEA Party Code Walkthrough
  • Functions
    • Actors vs Functions
    • Function Calls Between Native & Wasm
    • Native vs Wasm Functions
  • Glossary
    • Actor
    • Adapter
    • App AES Key
    • AuthKey
    • back_end_actor
    • Birth Control
    • Blockchain Listener
    • Capability
    • CML Auctions
    • Commands
    • Consensus
    • Context
    • Conveyor
    • Conveyor: Mutable vs Immutable
    • enclave
    • Followup
    • Front-end
    • GlueSQL
    • GPS
    • Hosting Actor Handlers
    • Hosting CML
    • hosting_profitability
    • Magic of WASM
    • mini-runtime
    • OrbitDb
    • Order of Txns
    • party-actor
    • party-fe
    • Party-state-actor
    • Providers
    • Public Service
    • queries
    • Remote Attestation
    • Staking to Hosting CML
    • Staking to TApp
    • State
    • State Machine
    • State Machine Actor
    • State Machine Replica
    • TEA ID
    • TPM
    • Transactions
    • VMH - Virtual Messaging Hub
    • Where Messages are Stored
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  • Some examples of txns
  • Binary successful or failed on execution
  1. Glossary

Transactions

PreviousTPMNextVMH - Virtual Messaging Hub

Last updated 2 years ago

Transactions (txns) are also called or events.

A txn is generated by a or and executed in a to update the .

A txn is the only outside trigger that's able to change the . In other words, all state changes are triggered by txn(s).

Some examples of txns

Alice sends 10T to Bob. This is a transfer txn. Every 1000 blocks, we run a clean up of the blockchain storage. This is a triggered txn. It looks like a cron job. If the blockchain notices a new TApp is created, then it performs a generate tapp account task. Although this is also a triggered txn, it's not considered to be like a cron job.

Binary successful or failed on execution

A txn can be successfully executed or failed. If it's successful, it may or may not change the state. But if it's failed, it will definitely NOT change the state.

There are no partially successful txns. They're either fully successful or totally failed.

commands
back_end_actor
blockchain_listener
state_machine_actor
state
state
blockchain_listener
blockchain_listener