クライアント型ウォレットの仕組み

2018/10/04 (木)
Ginco Engineer Meetup 登壇資料
https://career.levtech.jp/hikalab/event/detail/187/

Ginco Inc.
https://ginco.io

1. ΫϥΠΞϯτܕ΢ΥϨοτͷ࢓૊Έ G I N C O E N G I N E E R M E E T U P I P P O M A T S U I 2 0 1 8 / 1 0 / 4 / T H U
2. A B O U T M Y S E L F ©2018 Ginco, Inc. ࣗݾ঺հ Ippo Matsui @ippo_012 ਆށେֶେֶӃʹͯ࠷దԽཧ࿦ͷݚڀɻ
   ࡏֶதʹෳ਺ͷ8FCϕϯνϟʔͰ डୗ։ൃٴͼαʔϏεͷ্ཱͪ͛Λܦݧɻ
   ΫοΫύουגࣜձࣾʹΤϯδ χΞͱͯ͠৽ଔೖࣾ͠ɺձһࣄۀ෦ʹͯϚʔέςΟϯάࢪࡦͷཱҊ͔Β࣮૷ ·ͰΛ୲౰ɻݱࡏ͸(JODPͷJ04ͷ։ൃΛϦʔυɻ
3. ©2018 Ginco, Inc. W H A T I S G I N C O ? (JODPͱ͸ʁ • αʔϏε։࢝͸೥݄೔
   • ΫϥΠΞϯτܕ΢ΥϨοτ
   • ൿີ伴Λ୺຤಺Ͱ؅ཧ
   • ϚϧνϒϩοΫνΣʔϯରԠʢݱࡏͭʣ
   • 'JSFCBTFΛར༻ͨ͠αʔόʔϨεΞʔΩςΫνϟ
4. ©2018 Ginco, Inc. ΞδΣϯμ A G E N D A 5 
   ΢ΥϨοτͱ͸ʁ 
   (JODPͷΞʔΩςΫνϟ 5 
   ΢ΥϨοτͷॲཧͷྲྀΕ
5. ΢ΥϨοτͱ͸ʁ P A R T 1
6. ©2018 Ginco, Inc. "
   Ծ૝௨՟Λ؅ཧ͢ΔͨΊͷΞϓϦέʔγϣϯ
7. ©2018 Ginco, Inc. ΢ΥϨοτͷछྨ αʔόʔܕ΢ΥϨοτ 5 ΫϥΠΞϯτܕ΢ΥϨοτ ൿີ伴Λ୺຤಺Ͱ؅ཧ 5 αʔόʔܕ΢ΥϨοτ ൿີ伴ΛαʔϏεఏڙऀͷαʔόʔ্Ͱ؅ཧ
8. ©2018 Ginco, Inc. 5 ΫϥΠΞϯτܕ΢ΥϨοτͷͰ͖Δ͜ͱ ൿີ伴ͱެ։伴ͷ؅ཧ͕Ͱ͖Δ ࢒ߴͷ֬ೝ͕Ͱ͖Δ 5 ૹड͕ۚͰ͖Δ
9. ൿີ伴ͱެ։伴ͱ͸ʁ
10. ©2018 Ginco, Inc. "
    ެ։伴҉߸ํࣜ
11. ©2018 Ginco, Inc. ϒϩοΫνΣʔϯʹ͓͚Δެ։伴҉߸ํࣜ • ओͳ༻్
    • ΞυϨεͷੜ੒
    • τϥϯβΫγϣϯͷॺ໊
    • &$%4"ʢପԁۂઢిࢠॺ໊ΞϧΰϦζϜʣ
    • σδλϧॺ໊ͷͨΊͷެ։伴҉߸ٕज़
    • ύϥϝʔλ͸ඪ४Խ͞Ε͍ͯΔTFDQL
12. ©2018 Ginco, Inc. ΞυϨεͷੜ੒ͷྲྀΕ ൿີ伴 ࣗ෼͔͠࢖͑ͳ͍ ެ։伴 ୭Ͱ΋࢖͑Δ ΞυϨε ެ։伴Λѻ͍΍͘͢ม׵ TFDQLପԁۂઢ ϋογϡؔ਺ͳͲ
13. ©2018 Ginco, Inc. ϒϩοΫνΣʔϯ
    ωοτϫʔΫ τϥϯβΫγϣϯͷॺ໊ͷྲྀΕ 5Y "͔Β#΁
    
    &5)
    ΛૹΔ ॺ໊ࡁΈͷ5Y ϒϩοΫνΣʔϯ
    ωοτϫʔΫ ൿີ伴 ϒϩʔυΩϟετ ॺ໊ࡁΈͷ5Y ެ։伴 ༗ޮͳ5Y "͔Β#΁
    
    &5)
    ΛૹΔ
14. 伴ΛͲ͏΍ͬͯ؅ཧ͢Δͷ͔ʁ
15. ©2018 Ginco, Inc. "
    )%΢ΥϨοτ
    ʴ
    χʔϞχοΫ
16. ©2018 Ginco, Inc. #*1 • ϏοτίΠϯٕज़ͷൃలͷͨΊͷʹ࡞੒ɺެ։͞ ΕΔ૲Ҋ܈
    • ΢ΥϨοτʹؔ͢Δ#*1͕͋Δ
    • ଟ͘ͷ΢ΥϨοτ͕४ڌ
    ˠ
    (JODP΋४ڌ
    • ΢ΥϨοτؒͷΠϯϙʔτ͕Ͱ͖Δ
    • #*1ʓʓʢྫʣ#*1
    #*1 #JUDPJO
    *NQSPWFNFOU
    1SPQPTBMT
17. ©2018 Ginco, Inc. )%ʢ֊૚తܾఆੑʣ΢ΥϨοτ • ൿີ伴ΛπϦʔߏ଄Ͱ؅ཧ
    • ͭͷ4FFE͔Βෳ਺ͷ伴Λੜ੒Ͱ͖Δ
    • 4FFE
    • )%΢ΥϨοτͷى఺ͱͳΔཚ਺
    • #*1
    #*1 )JFSBSDIJDBM
    %FUFSNJOJTUJD
    8BMMFU
18. ©2018 Ginco, Inc. )%ʢ֊૚తܾఆੑʣ΢ΥϨοτ 5 ϥϯμϜʢඇܾఆੑʣ΢ΥϨοτ )%΢ΥϨοτ ൿີ伴Λಠཱʹ؅ཧ ൿີ伴ΛπϦʔߏ଄Ͱ؅ཧ #*1
    #*1 ͭͷ4FFE͔Βෳ਺ͷ伴Λੜ੒Ͱ͖Δ
19. ©2018 Ginco, Inc. χʔϞχοΫίʔυ • όΠφϦ΍ਐ਺͔ΒͰ͸ͳ͘
 ֮͑΍͍͢؆୯ͳ୯ޠ͔Β4FFEΛੜ੒͢Δ
    • Ұൠతʹʙ୯ޠͰߏ੒͞Ε͍ͯΔ
    • ྫʣlIVHF
    DSFEJU
    SFHVMBS
    
    
    z
    • #*1
    • (JODPͰ͸ʮόοΫΞοϓΩʔʯͱදه .OFNPOJD
    $PEF
20. ©2018 Ginco, Inc. 伴؅ཧͷΠϝʔδ χʔϞχοΫ lIVHF
    DSFEJU
    SFHVMBS
    
    
    z 4FFE )%΢ΥϨοτͷى఺ &UIFSFVNͷ伴 #JUDPJOͷ伴 )%΢ΥϨοτͷ֊૚
21. (JODPͷΞʔΩςΫνϟ P A R T 2
22. ©2018 Ginco, Inc. (JODPͷΞʔΩςΫνϟ • 'JSFCBTFΛར༻ͨ͠αʔόʔϨεΞʔΩςΫνϟ
    • ༷ʑͳج൫αʔϏε͕͋Δʢ%#
    1VTI௨஌
    FUDʣ
    • ։ൃεϐʔυͷ޲্
    • αʔϏεͷ։ൃʹ஫ྗͰ͖Δ
    • ෳ਺ͷϒϩοΫνΣʔϯΛѻ͏ঢ়گʹద͍ͯͨ͠
23. ©2018 Ginco, Inc. (JODPͷओͳߏ੒ཁૉ Keychain Wallet Core Cloud
 Firestore Cloud Functions Full Node Blockchain Explorer
24. ©2018 Ginco, Inc. 8BMMFU
    $PSF • ࣗࣾ։ൃͷ΢ΥϨοτ༻ϥΠϒϥϦ
    • ϚϧνϒϩοΫνΣʔϯରԠ
    • ओͳ༻్
    • χʔϞχοΫͷੜ੒
    • )%΢ΥϨοτͷରԠ
    • ΞυϨεͷੜ੒
    • τϥϯβΫγϣϯͷॺ໊
    • 044Խ༧ఆ Wallet Core
25. ©2018 Ginco, Inc. ,FZDIBJO • J04ඪ४ͷ҉߸ԽσʔλετϨʔδ
    • ओͳ༻్
    • χʔϞχοΫͷอଘ Keychain
26. ©2018 Ginco, Inc. $MPVE
    'JSFTUPSF • /P42-ɺεΩʔϚϨε
    • ϦΞϧλΠϜϦεφʔ
    • ΦʔτεέʔϦϯά
    • ओͳ༻్
    • Ϣʔβʔσʔλͷ؅ཧ
    • τϥϯβΫγϣϯཤྺ Cloud
 Firestore
27. ©2018 Ginco, Inc. $MPVE
    'VODUJPOT • ΠϕϯτΛτϦΨʔʹͯؔ͠਺Λ࣮ߦ
    • αʔόʔϨε
    • ΦʔτεέʔϦϯά
    • ओͳ༻్
    • ϊʔυͷϥούʔ
    • τϥϯβΫγϣϯͷૹ৴ Cloud Functions
28. ©2018 Ginco, Inc. 'VMM
    /PEF • ϒϩοΫͷ͢΂ͯͷ৘ใΛ࣋ͭϊʔυ
    • (,&
    • ֤ϒϩοΫνΣʔϯຖʹ༻ҙ
    • ओͳ༻్
    • τϥϯβΫγϣϯͷૹ৴ Full Node
29. ©2018 Ginco, Inc. #MPDLDIBJO
    &YQMPSFS • ϒϩοΫΛৗ࣌؂ࢹ͠ɺτϥϯβΫγϣϯΛ
 αʔϏεʹར༻͠΍͘͢੔ܗ
    • (,&
    
    $MPVE
    1VC4VC
    • ֤ϒϩοΫνΣʔϯຖʹ༻ҙ
    • ओͳ༻్
    • 'JSFTUPSF΁ͷཤྺͷ௥Ճ Blockchain Explorer
30. ΢ΥϨοτͷॲཧͷྲྀΕ P A R T 3
31. χʔϞχοΫͷੜ੒
32. ©2018 Ginco, Inc. χʔϞχοΫͷੜ੒ Wallet Core generateMnemonic() mnemonic = “huge credit…” Keychain setMnemonic(mnemonic)
33. ΞυϨεͷੜ੒
34. ©2018 Ginco, Inc. ΞυϨεͷදࣔ Keychain getMnemonic() mnemonic = “huge credit…” Wallet Core getAddress(mnemonic) address = “0x1A6a57936…”
35. τϥϯβΫγϣϯͷૹ৴
36. ©2018 Ginco, Inc. sendTransaction(txData) txHash = “xxxxxxxxx” Keychain Wallet Core Cloud Functions Full Node getMnemonic() mnemonic = “huge credit…” signTransaction( mnemonic, txParams) txData = “xxxxxxxxx” τϥϯβΫγϣϯͷૹ৴
37. ཤྺͷදࣔ
38. ©2018 Ginco, Inc. Blockchain Explorer Cloud
 Firestore Full Node listenTxHistory() txHistory = [transaction] ཤྺͷදࣔ
39. ©2018 Ginco, Inc. ऴΘΓʹ S U M M A R Y 5 ൿີ伴Λ୺຤Ͱ؅ཧ͢ΔΫϥΠΞϯτܕ΢ΥϨοτ ϚϧνϒϩοΫνΣʔϯରԠ 5 'JSFCBTFΛར༻ͨ͠αʔόʔϨεΞʔΩςΫνϟ
40. Thank you