Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Truffleの紹介_in_hicon2018.pdf
Search
nakajo2011
November 10, 2018
Programming
3
260
Truffleの紹介_in_hicon2018.pdf
nakajo2011
November 10, 2018
Tweet
Share
More Decks by nakajo2011
See All by nakajo2011
Plasma_Overview_gbec20180928.pdf
nakajo2011
0
49
What is Ethereum about tech layer
nakajo2011
0
320
The Ethereum design direction.
nakajo2011
0
46
Report of Devcon5 2019.10.17
nakajo2011
0
560
Compare of Libra and Ethereum
nakajo2011
1
430
What is Move language
nakajo2011
1
980
blockchain-changing-and-issues
nakajo2011
4
530
Thinking Scalability from DEX
nakajo2011
0
89
Truffle Test Tips and other
nakajo2011
2
150
Other Decks in Programming
See All in Programming
CSS Linter による Baseline サポートの仕組み
ryo_manba
1
160
良いコードレビューとは
danimal141
10
9.3k
もう少しテストを書きたいんじゃ〜 #phpstudy
o0h
PRO
21
4.4k
Domain-Driven Design (Tutorial)
hschwentner
13
22k
仕様変更に耐えるための"今の"DRY原則を考える
mkmk884
9
3.3k
PromptyによるAI開発入門
ymd65536
1
120
Django NinjaによるAPI開発の効率化とリプレースの実践
kashewnuts
1
310
[JAWS DAYS 2025] 最近の DB の競合解決の仕組みが分かった気になってみた
maroon1st
0
200
Datadog Workflow Automation で圧倒的価値提供
showwin
1
330
AWS Step Functions は CDK で書こう!
konokenj
5
930
たのしいSocketのしくみ / Socket Under a Microscope
coe401_
8
1.5k
SwiftUI移行のためのインプレッショントラッキング基盤の構築
kokihirokawa
0
190
Featured
See All Featured
Designing for Performance
lara
605
68k
Mobile First: as difficult as doing things right
swwweet
223
9.5k
Adopting Sorbet at Scale
ufuk
75
9.2k
Reflections from 52 weeks, 52 projects
jeffersonlam
348
20k
Six Lessons from altMBA
skipperchong
27
3.6k
How GitHub (no longer) Works
holman
314
140k
Automating Front-end Workflow
addyosmani
1369
200k
Building a Modern Day E-commerce SEO Strategy
aleyda
38
7.1k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
11
1.3k
Fashionably flexible responsive web design (full day workshop)
malarkey
406
66k
Intergalactic Javascript Robots from Outer Space
tanoku
270
27k
Navigating Team Friction
lara
183
15k
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