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heco-pippi-query's Introduction

heco-pippi-query

皮皮虾是运行在火币 Heco 链上的去中心化交易所。 查询合约 PippiQuery.sol,主要用于查询该交易所下各交易对的年化收益率(APY)。

为什么要写一个查询合约

官方是在前端多次查询遍历 MasterChef 合约然后再计算的。 有以下缺点:

  • 查询效率低,延时大
  • 不如通过合约查询来得直接和易理解

另外通过编写查询合约,可进一步理解对方的合约,甚至发现其中的问题。

前端 lib 和测试

见目录 front。 运行 :

node front/test.js

合约部署

yarn flatten

复制 flatten/PippiQuery.sol 到 remix 部署

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