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Truffleの紹介_in_hicon2018.pdf
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nakajo2011
November 10, 2018
Programming
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Truffleの紹介_in_hicon2018.pdf
nakajo2011
November 10, 2018
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Transcript
Copyright ©2018 chaintope, Inc. all rights reserved. hicon2018 Truffleの紹介 2018/11/10
chaintope, Inc Yukishige Nakajo
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/
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
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
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
Copyright ©2018 chaintope, Inc. all rights reserved. 1. Truffleの概要
Copyright ©2018 chaintope, Inc. all rights reserved. Deploy Tool 1.
Truffleの概要
Copyright ©2018 chaintope, Inc. all rights reserved. Deploy Tool Test
Tool 1. Truffleの概要
Copyright ©2018 chaintope, Inc. all rights reserved. Deploy Tool Test
Tool Node for Dev 1. Truffleの概要
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
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
Copyright ©2018 chaintope, Inc. all rights reserved. • 基本的なDeploy https://truffleframework.com/docs/truffle/getting-started/running-migrations
2. Migration
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
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
Copyright ©2018 chaintope, Inc. all rights reserved. • Library ContractとのLink
https://truffleframework.com/docs/truffle/getting-started/running-migrations 2. Migration
Copyright ©2018 chaintope, Inc. all rights reserved. • Promisefy https://truffleframework.com/docs/truffle/getting-started/running-migrations
2. Migration
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
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
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
Copyright ©2018 chaintope, Inc. all rights reserved. • 固定されたmnemonic 3.
ganache
Copyright ©2018 chaintope, Inc. all rights reserved. • 固定されたmnemonic 3.
ganache
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
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
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
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
Copyright ©2018 chaintope, Inc. all rights reserved. • basic (describe,
it) https://mochajs.org/#asynchronous-code 4. mocha
Copyright ©2018 chaintope, Inc. all rights reserved. • basic (describe,
it) https://mochajs.org/#asynchronous-code 4. mocha
Copyright ©2018 chaintope, Inc. all rights reserved. • before, after,
beforeEach, afterEach https://mochajs.org/#hooks 4. mocha
Copyright ©2018 chaintope, Inc. all rights reserved. • skip, only
https://mochajs.org/#inclusive-tests 4. mocha
Copyright ©2018 chaintope, Inc. all rights reserved. • skip, only
https://mochajs.org/#inclusive-tests 4. mocha
Copyright ©2018 chaintope, Inc. all rights reserved. • skip, only
https://mochajs.org/#exclusive-tests 4. mocha
Copyright ©2018 chaintope, Inc. all rights reserved. • skip, only
https://mochajs.org/#exclusive-tests 4. mocha
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
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
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