https://blog.csdn.net/Tesla_Zhou/article/details/111743243 https://www.yisu.com/zixun/515955.html http://ww2.inf.ufg.br/~insight/blockarch2021/ICSA_talk.pdf https://fisco-bcos-documentation.readthedocs.io/zh_CN/latest/docs/articles/3_features/35_contract/solidity_design_patterns.html https://blog.logrocket.com/developers-guide-solidity-design-patterns/?ref=morioh.com&utm_source=morioh.com https://github.com/maxwoe/solidity_patterns.git