Lecture 3 - Homework & Resources

Homework Lecture 3

1)On which network is this transaction? 0xb97e091e42252571072ae9c605bda16c8f2568cb6a4ff8fd717d384123074b55

2)Find a block with 20 or more transactions and send us the block hash.

3)Try to find a failed transaction. Did the sender retry?

4)Create a wallet, get some CFX through the faucet and send us the corresponding transactions hash.

5)Buy a ticket on 167.172.160.61 and send us the corresponding transaction hash.
5.1)What happens if you lower the gas limit before sending the transaction?
5.2)What happens if you try to buy a second ticket for the same address?

6)Try querying recent ticket purchases. Has there been any?

7)Who is the creator of the Tickets contract?
8)What is the balance of this account? How do you think this account acquired these tokens?

9)Which address holds the most FC tokens?

Resources

What is hashing?

Digital Signatures FAQ

Node.js examples

Ticket dapp example
167.172.160.61

Conflux Portal (wallet)
portal.conflux-chain.org

Conflux Scan (blockchain explorer)
confluxscan.io

Conflux Studio (IDE)

js-conflux-sdk (Node.js SDK)

General API reference

conflux-frontend-react
The Ticket example is based on this starter kit

Conflux Discord channel

Conflux Forum
forum.conflux.fun

Conflux 101 Webinar – Learn the ideas behind the Tree-Graph

Conflux Whitepaper
usenix.org/conference/atc20/presentation/li-chenxing

Conflux Technical Presentation

Interactive map of Conflux nodes
confluxmap.com

Conflux Mining
mining.confluxnetwork.org

Conflux Bounty
bounty.conflux-chain.org

Conflux Grants
grants.confluxnetwork.org

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