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
MCH Hackathon技術情報 / MCH Hackathon API
Search
Ryo Manzoku
April 20, 2019
Programming
0
470
MCH Hackathon技術情報 / MCH Hackathon API
2019-04-20 開催されたHackthon向けAPI情報です。
Ryo Manzoku
April 20, 2019
Tweet
Share
More Decks by Ryo Manzoku
See All by Ryo Manzoku
ブロックチェーンゲーム開発におけるチェーンの選び方 / How to select a blockchain for BCG
rmanzoku
0
500
NFTを取り巻く技術要素とAWS利活用 / Technology and AWS of NFT
rmanzoku
0
880
NFTを中心とした新しいゲームの形 / The new approach of gaming with NFT
rmanzoku
0
400
NFTへの招待 / Invitation to NFT
rmanzoku
0
1.5k
Stringをどうにかする / Managing Solidity String
rmanzoku
0
1.2k
ブロックチェーン時代の認証 / Authentication in the Blockchain Era
rmanzoku
8
2.9k
ERC-721をかぞえて / Enumerate ERC-721
rmanzoku
3
7.8k
MCH+ Hackathon #1
rmanzoku
0
290
AWS上で動く世界No.1ブロックチェーンゲーム / No1 Blockchain Game on AWS
rmanzoku
1
2.9k
Other Decks in Programming
See All in Programming
「2024年版 Kotlin サーバーサイドプログラミング実践開発」の補講 〜O/Rマッパー編〜
n_takehata
2
260
ドメイン駆動設計の実践
masuda220
PRO
19
5.2k
Terraformテスト入門
msato
0
540
Prompt FlowによるLLMアプリケーション開発
yuto2000
1
1k
日付と正規化
megmogmog1965
0
140
初心者がおさえておきたいAWS CDKのベストプラクティス 2024
konokenj
15
7.3k
AWS CDKにおける「再利用性」を考える / aws-cdk-reusability
gotok365
6
1.3k
The rollercoaster of releasing an Android, iOS, and macOS app with Kotlin Multiplatform | droidcon Berlin
prof18
0
110
入社1ヶ月でここまでやった!Findy Toolsインフラ支援の最適化
rvirus0817
6
1.4k
MIERUNE BBQにおけるユーザー中心設計()
mierune
PRO
1
110
社内 LT 会を発足し、アウトプット文化を醸成させるために考えたこと・やったこと / Starting internal LT meetings and fostering an output culture
mackey0225
3
120
Harnessing Large Language Models for Training-free Video Anomaly Detection
tereka114
1
1.3k
Featured
See All Featured
Making Projects Easy
brettharned
111
5.7k
Facilitating Awesome Meetings
lara
46
5.8k
Scaling GitHub
holman
458
140k
Raft: Consensus for Rubyists
vanstee
134
6.5k
GitHub's CSS Performance
jonrohan
1026
450k
Build The Right Thing And Hit Your Dates
maggiecrowley
28
2.2k
In The Pink: A Labor of Love
frogandcode
139
22k
Code Review Best Practice
trishagee
58
16k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
24
1.8k
Unsuck your backbone
ammeep
666
57k
Building Better People: How to give real-time feedback that sticks.
wjessup
357
18k
Building Effective Engineering Teams - LeadDev
addyosmani
47
2.2k
Transcript
Hackthonٕज़ใ 2019–04-20 MCH Hackathon @rmanzoku
ҙ ͜͜Ͱհͨ͠ͷΛඞͣΘͳ͚ΕͳΒͳ͍Θ͚Ͱ͋ Γ·ͤΜɻ Ұ෦API͜ͷϋοΧιϯͷͨΊʹ࡞ͨ͠ͷͰ͢ɻ༧ࠂ ͳ͘มߋɺআ͞ΕΔ߹͕͋Γ·͢ɻ GitHubʹެ։ࡁΈ https://github.com/doublejumptokyo/mch-hackathon ͨΓલͷઆ໌Βͳ͍୯ޠ͕ͰΔ͔͠Ε·ͤΜ͕ɺ͜ ͷ͋ͱϝϯλʔͷํʑʹ࣭ͯ͠Έ͍ͯͩ͘͞ɻ
MyCryptoHeroesʹ͍ͭͯ
MyCryptoHeroes͓͞Β͍ ERC721ΛͬͨHero / Extension / LandSectorͷ Ethereum্ͷAsset Ethereum্Ͱͷॴ༗ݖΛӡӦॴ༗ͷεϚʔτίϯτ ϥΫτʹ༬͚Δ͜ͱͰɺCryptoWorldʢήʔϜʣͰ ར༻ՄೳʹͳΔʢLandSectorྫ֎ʣ
ήʔϜͷใҰ෦ެ։APIΛ௨ͯ͠ࢀরͰ͖Δ
MyCryptoHeroes͓͞Β͍ ϢʔβʔήʔϜʹUserIDΛ͍࣋ͬͯΔ UserIDͱEthereumΞυϨεΛඥ͚ͮͯཧ͍ͯ͠Δ EthereumΞυϨεΛެ։͢ΔػೳʹΑΓɺ༗ޮͳ ϢʔβʔEthereumΞυϨε͔ΒϢʔβʔใΛऔ ಘͰ͖Δ
ERC 721 / Metadata
ERC 721 Ethereumͷඪ४ن֨ͷҰͭͰNon-Fungible TokenʢNFTʣΛنఆ ͨ͠ΠϯλʔϑΣʔε NFTͱɺସෆՄೳͳͷ CryptoKittiesΛൃʹEthereum্ͰToken/Assetͷॴ༗ݖͳͲΛنఆ ࢀর࣮ͱͯ͠OpenZeppelinOSͷͷ͕༗໊ CryptoZombiesERC721 ERC20ͱൺֱ͞ΕΔ
ERC721 ར༻Πϝʔδ MCHΞηοτOpenZeppelinΛར༻ͨ͠ERC721ʹ ४ڌ͍ͯ͠ΔͷͰɺ͘ΘΕΔERC721ͱͯ͠ར༻ Ͱ͖Δ ϨϯσΟϯάͳͲ
ERC 721 Metadata MCHͷHero͕HeroͨΒ͠Ί͍ͯΔϝλใ Heroͷ໊લϨϕϧɺύϥϝʔλͳͲ ΦϑνΣʔϯใΛ͑ΔJSON APIͰ͋Δ͜ͱ͕ଟ͍ OpenSeabazaaar.ioͳͲ͜ͷใΛऔಘͯ͠දࣔͯ͠ ͍Δ MCH+Ͱɺ͜ͷMetadataΛ֦ு͢Δ͜ͱʹΑͬͯΞ
ηοτʹ͍ΖΜͳՁΛՃ͍͚ͯ͠ΔͷͰͳ͍͔
ERC 721 Metadata Hero https://www.mycryptoheroes.net/metadata/heroes/ 50010001 Extension https://www.mycryptoheroes.net/metadata/extensions/ 50010001 LandSector
https://www.mycryptoheroes.net/metadata/ landSectors/50010001
MCHใऔಘܥAPI
Ξηοτʹؔ͢ΔใAPI Skillઆ໌จͳͲͷऔಘ https://www.mycryptoheroes.net/experimental-api/skill/ 1001 HeroTypeͷऔಘ https://www.mycryptoheroes.net/experimental-api/ heroType/5001 ExtensionTypeͷऔಘ https://www.mycryptoheroes.net/experimental-api/ extensionType/5001
ϢʔβʔใAPI UserID͘͠EthereumΞυϨεͰϢʔβʔΛݕࡧ https://www.mycryptoheroes.net/experimental-api/ proxy/mch/users/10001 https://www.mycryptoheroes.net/experimental-api/ proxy/mch/users/ 0xd868711BD9a2C6F1548F5f4737f71DA67d821090 ޙऀEthreaumΞυϨεΛެ։͍ͯ͠Δ߹ͷΈ༗ޮ
MCHใऔಘܥAPIΠϝʔδ ਤؑότϧγϡϛϨʔλʔͳͲ
MarkingContract
Ethereum্ͰϢʔβʔใΛ͏ ʮϢʔβʔใʯ͋͘·ͰΦϑνΣʔϯͷใ Ethereum্ͰใΛѻ͏͜ͱ͕Ͱ͖ͳ͍ ϢʔβʔͷҙͰEthereum্ͷεϚʔτίϯτϥΫ τใΛॻ͖ࠐΈͰ͖ΔػೳΛՃ MarkingContractʢԾশʣΛσϓϩΠࡁΈ ։࢝࣌Ͱ50ਓҎ্ͷϢʔβʔ͕ެ։͍ͯ͠Δ
MarkingContractʢԾশʣ https://etherscan.io/address/ 0x0085C150c1eb0e084E50a80beA91bc414AA6cbaa ΦϑνΣʔϯͷϢʔβʔใΛهͨ͠ίϯτϥΫ τ ͋ΔEthereumΞυϨεͷϢʔβʔใɺPrime༗ແɺ Landॴଐใ͕औಘͰ͖Δ ϥϯυॴଐऀͷΞυϨεҰཡऔಘՄೳ
MarkingContractར༻Πϝʔδ ಁ໌ੑͷ͋ΔநબίϯτϥΫτ ϥϯυϝϯόʔઐ༻ϖʔδ MarkingContractʹใΛ͢͜ͱͰʓʓ͕Ͱ͖Δͱ ͍͏Ҋܴ GitHubʹιʔείʔυެ։ࡁΈ
֦ுMetadata
Ձ༰MetadataͰࢀরͰ͖Δ ΞηοτͷMetadataΛՃͰ͖Δ͜ͱͰɺMCHӡӦ Ҏ֎͕ՁΛ༩Ͱ͖Δ Ձ͕Ξηοτʹू·Δ͜ͱͰɺ༷ʑͳαʔϏεͷ HubʹͳΔ Ξηοτ͕ܧଓՄೳͳͷͱͯ͠ՁΛ࣋ͭΑ͏ʹ
Plus Meta APIʢԾশʣ ʮΞηοτͷՁ༰MetadataͰࢀরͰ͖Δʯͱ ͍͏ߟ͑ʹج͖ͮɺʮՁ༰ΛMetadataͱͯ͠ొ Ͱ͖ΔʯAPI ͜͜ͰMCHҰͭͷMetadataͰ͔͠ͳ͍
Plus Meta APIొ POST https://www.mycryptoheroes.net/experimental- api/plusmeta/heroes/50010001 { "iss": "0xd868711BD9a2C6F1548F5f4737f71DA67d821090", "metadata":
{ "sub": "my crypto derbies", "aud": [ "https://example.com/" ], "name": "deeeeep blue", "description": "͍͢͝", "attributes": { "hp": 100, "speed": 100, "skill": [ "dart", "sunny" ], "kind": "Mare" } } }
Plus Meta APIऔಘ GET https://www.mycryptoheroes.net/experimental- api/plusmeta/heroes/50010001
Plus Meta APIར༻Πϝʔδ MCHΞηοτΛͬͨϛχήʔϜͷ࡞ͱͦͷύϥ ϝʔλొ ΞηοτऔҾॴͳͲʹΑΔ৽ணใͷొ
࠶ҙࣄ߲ ͜͜Ͱհͨ͠ͷΛඞͣΘͳ͚ΕͳΒͳ͍Θ͚Ͱ͋ Γ·ͤΜɻ Ұ෦API͜ͷϋοΧιϯͷͨΊʹ࡞ͨ͠ͷͰ͢ɻ༧ࠂ ͳ͘มߋɺআ͞ΕΔ߹͕͋Γ·͢ɻ GitHubʹެ։ࡁΈ https://github.com/doublejumptokyo/mch-hackathon ͨΓલͷઆ໌Βͳ͍୯ޠ͕ͰΔ͔͠Ε·ͤΜ͕ɺ͜ ͷ͋ͱϝϯλʔͷํʑʹ࣭ͯ͠Έ͍ͯͩ͘͞ɻ
None