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区块链基础

Events and transaction logs

Contracts emit indexed logs consumed by wallets and explorers.

Reference note · Sources below

研究文章和参考条目以英语发布。导航提供七种语言。

人物与项目

Etherscan

本文目录

Overview
Why it matters
What to check
Sources

Overview

Contracts emit indexed logs consumed by wallets and explorers.

Why it matters

Logs describe execution but do not enforce state or guarantee truthful labels.

What to check

Verify storage and transfers alongside events.

Sources

Solidity documentation: events

相关阅读

区块链基础

A transaction's path from signature to confirmation

Signing, broadcasting, inclusion and finality are distinct events.

区块链基础

Contract storage: the persistent state a transaction changes

Code executes, but balances, permissions and configuration survive in the contract's storage.

区块链基础

Gas: resource usage and transaction price

The units consumed and the price paid per unit explain different parts of an execution fee.

区块链基础

Transaction malleability: when an identifier changes

A transaction reference is a hash of a defined serialisation, so the exact fields included matter.