1 界面 https://app.provable.xyz/home/test_query#VVJMKEdFVCk=:d3d3LmJhaWR1LmNvbQ==
2 螞蟻oracle https://tech.antfin.com/docs/2/108801
3加密tls https://ithelp.ithome.com.tw/articles/10207843
4 medium https://medium.com/coinmonks/using-apis-in-your-ethereum-smart-contract-with-oraclize-95656434292e