Polyjuice-Orange

2020-03-01 177浏览

1.Polyjuice
2.“Polyjuice is a layer 2 solution that provides a Web3 compatible interface on top of Nervos CKB. The design goal here is 95%+ compatible with existing Ethereum solution, so that your Solidity smart contracts and tools for Ethereum could work directly on top of Nervos CKB.” –Xiaoxuejie
3.Benefits • A state rent model that everyone needs to pay for their own storage • An EVM that could be upgraded with new features without needing hardforks • A modern blockchain that does not suffer from Ethereum's legacies.
4.关公战秦琼根据以前的理理解，CKB 和 ETH 两条链从代币模型到合约完全不不相同： CKB 是 UTXO 模型并且每个⽤用户都需要为⾃自⼰己的存储付费； Ethereum 是 Account 模型，⽤用户的存储不不需要付费。怎么想两条链都不不可能兼容到⼀一起好吧？
5.Cell Model
6.Lock Script 将使⽤用正常私钥解锁的Cells —> 使⽤用ETH私钥解锁的Cells
7.从链上获取状态 Polyjuice 通过get_live_cell 来获取 CKB 全⽹网哪些 Cells 是使⽤用 Ethereum 特定的 hash 的 Lock Script, 就知道全⽹网有多少个 Cells 是以 Ethereum 的形式存在的。
8.Transcation ⼀一笔交易易（A->B): • 对使⽤用者来说: 是 A 的以太坊地址发送到 B 的以太坊地址； • 对 Polyjuice 来说: 是能⽤用 A 的以太坊私钥解锁的 Cells，转变成了了能⽤用 B 的以太坊私钥解锁的 Cells.
9.Contract
10.Contract • 合约的执⾏行行边界在哪⾥里里？ • 谁可以操作合约？ • …？
11.More • Introduction to CKB Script Programminghttps://xuejie.space/• Githubhttps://github.com/nervosnetwork/polyjuice
12.Thanks!