什么是李嘉图合约?
简单来讲,是用人们可以阅读的语言,用类似合同的方式,描述智能合约里每个接口的意图。例如EOS里eosio.token是发币合约,其中transfer这个action是用来转账的,它有4个参数:
- from,转出账户
- to,接收转账的账户
- quantity,转账数量
- memo,备注
它的李嘉图合约是:
## Transfer Terms & Conditions
I, { {from}}, certify the following to be true to the best of my knowledge:
1. I certify that { {quantity}} is not the proceeds of fraudulent or violent activities.
2. I certify that, to the best of my knowledge, { {to}} is not supporting initiation of violence against others.
3. I have disclosed any contractual terms & conditions with respect to { {quantity}} to { {to}}.
I understand that funds transfers are not reversible after the { {transaction.delay}} seconds or other delay as configured by { {from}}'s permissions.
If this action fails to be irreversibly confirm

李嘉图合约是一种用自然语言描述智能合约接口意图的合同形式,增强用户对执行操作的理解。在EOS中,尽管大多数合约未充分利用李嘉图合约,但其能作为纠纷处理依据。本文探讨了如何通过李嘉图合约解决合约升级带来的信任问题,提议在合约升级时保持李嘉图合约不变,以此约束行动意图的修改,以保护用户利益。
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