Truffleの紹介_in_hicon2018.pdf

1. Copyright ©2018 chaintope, Inc. all rights reserved. hicon2018 Truffleの紹介 2018/11/10 chaintope, Inc Yukishige Nakajo
2. Copyright ©2018 chaintope, Inc. all rights reserved. 自己紹介 • Yukishige Nakajo • 株式会社chaintope Chief Ethereum Researcher • 福岡県の飯塚市でEthereumの研究中 • 最近はBitcoinもやってます • truffle-hdwallet-providerのcontributerです！ https://twitter.com/nakajo https://y-nakajo.hatenablog.com/
3. Copyright ©2018 chaintope, Inc. all rights reserved. Truffleの紹介 1. Truffleの概要 2. migation 3. ganache 4. mocha 5. その他の機能 今日話すこと
4. Copyright ©2018 chaintope, Inc. all rights reserved. Truffleの紹介 1. Truffleの概要 2. migation 3. ganache 4. mocha 5. その他の機能 今日話すこと
5. Copyright ©2018 chaintope, Inc. all rights reserved. 出典元：https://truffleframework.com/truffle Truffle is the most popular development framework for Ethereum 1. Truffleの概要
6. Copyright ©2018 chaintope, Inc. all rights reserved. 1. Truffleの概要
7. Copyright ©2018 chaintope, Inc. all rights reserved. Deploy Tool 1. Truffleの概要
8. Copyright ©2018 chaintope, Inc. all rights reserved. Deploy Tool Test Tool 1. Truffleの概要
9. Copyright ©2018 chaintope, Inc. all rights reserved. Deploy Tool Test Tool Node for Dev 1. Truffleの概要
10. Copyright ©2018 chaintope, Inc. all rights reserved. Truffleの紹介 1. Truffleの概要 2. migation 3. ganache 4. mocha 5. その他の機能 今日話すこと
11. Copyright ©2018 chaintope, Inc. all rights reserved. • Smart Contractのデプロイ方法を記述するもの • DB Migrationのようにバージョンを分けて記述可能 • DB Migrationと大きく違うのはrollbackできないこと • バージョンを指定して途中までdeployとかもできない。 2. Migration
12. Copyright ©2018 chaintope, Inc. all rights reserved. • 基本的なDeploy https://truffleframework.com/docs/truffle/getting-started/running-migrations 2. Migration
13. Copyright ©2018 chaintope, Inc. all rights reserved. • Deploy時に使えるParameter https://truffleframework.com/docs/truffle/getting-started/running-migrations 2. Migration
14. Copyright ©2018 chaintope, Inc. all rights reserved. • Deploy時に使えるParameterその2 https://truffleframework.com/docs/truffle/getting-started/running-migrations 2. Migration
15. Copyright ©2018 chaintope, Inc. all rights reserved. • Library ContractとのLink https://truffleframework.com/docs/truffle/getting-started/running-migrations 2. Migration
16. Copyright ©2018 chaintope, Inc. all rights reserved. • Promisefy https://truffleframework.com/docs/truffle/getting-started/running-migrations 2. Migration
17. Copyright ©2018 chaintope, Inc. all rights reserved. Truffleの紹介 1. Truffleの概要 2. migation 3. ganache 4. mocha 5. その他の機能 今日話すこと
18. Copyright ©2018 chaintope, Inc. all rights reserved. 　開発用のnode • 即時マイニング機能 • 固定されたmnemonic • 便利なRPC • 任意のgas limitが指定可能（別起動時に指定可能） 3. ganache
19. Copyright ©2018 chaintope, Inc. all rights reserved. • 即時マイニング • Transactionが発行されるたびにすぐにminingが行 われる。 • Transactionが行方不明にならない！ • mining待ちも発生しない。 3. ganache
20. Copyright ©2018 chaintope, Inc. all rights reserved. • 固定されたmnemonic 3. ganache
21. Copyright ©2018 chaintope, Inc. all rights reserved. • 固定されたmnemonic 3. ganache
22. Copyright ©2018 chaintope, Inc. all rights reserved. • 便利なRPC • evm_increaseTime: block timeを任意の時間に設 定（ただし未来のみ） • evm_mine: 即時mining • evm_snapshot: 現在の状態のsnapshotをとる • evm_revert: 状態を指定されたsnapshotに戻す 3. ganache
23. Copyright ©2018 chaintope, Inc. all rights reserved. • 任意のgas limitが指定可能（別起動時に指定可能） https://github.com/trufflesuite/ganache-cli#using-ganache-cli $ ganace-cli -l 99999999 & truffle test 3. ganache
24. Copyright ©2018 chaintope, Inc. all rights reserved. Truffleの紹介 1. Truffleの概要 2. migation 3. ganache 4. mocha 5. その他の機能 今日話すこと
25. Copyright ©2018 chaintope, Inc. all rights reserved. • Javascriptでは有名なunit test tool • basic (describe, it) • before, after, beforeEach, afterEach • skip, only 4. mocha
26. Copyright ©2018 chaintope, Inc. all rights reserved. • basic (describe, it) https://mochajs.org/#asynchronous-code 4. mocha
27. Copyright ©2018 chaintope, Inc. all rights reserved. • basic (describe, it) https://mochajs.org/#asynchronous-code 4. mocha
28. Copyright ©2018 chaintope, Inc. all rights reserved. • before, after, beforeEach, afterEach https://mochajs.org/#hooks 4. mocha
29. Copyright ©2018 chaintope, Inc. all rights reserved. • skip, only https://mochajs.org/#inclusive-tests 4. mocha
30. Copyright ©2018 chaintope, Inc. all rights reserved. • skip, only https://mochajs.org/#inclusive-tests 4. mocha
31. Copyright ©2018 chaintope, Inc. all rights reserved. • skip, only https://mochajs.org/#exclusive-tests 4. mocha
32. Copyright ©2018 chaintope, Inc. all rights reserved. • skip, only https://mochajs.org/#exclusive-tests 4. mocha
33. Copyright ©2018 chaintope, Inc. all rights reserved. Truffleの紹介 1. Truffleの概要 2. migation 3. ganache 4. mocha 5. その他の機能 今日話すこと
34. Copyright ©2018 chaintope, Inc. all rights reserved. • truffle-debugger • https://github.com/trufflesuite/truffle/tree/next/packages/truffle-debugger#truffle-debug ger • truffle-contract : 単体でも使える • truffle-artifactor 5. その他の機能
35. Copyright ©2018 chaintope, Inc. all rights reserved. ここからは Step 1をハンズオン形式で 説明します！ おわり