Dappsを支えるオラクル

Ab6e78ebe687d5c1d4a4bbbd5b464a2c?s=47 oidong
February 16, 2018

 Dappsを支えるオラクル

Ab6e78ebe687d5c1d4a4bbbd5b464a2c?s=128

oidong

February 16, 2018
Tweet

Transcript

  1. %BQQTΛࢧ͑Δ ΦϥΫϧ Gunosy ৽نࣄۀ෦ Πϯλʔϯ @ryoidong

  2. ࣗݾ঺հ 3ZPUB,PKJNB !SZPJEPOH
  (VOPTZ৽نࣄۀ෦Πϯλʔϯ  4'$̏೥  %BQQTͷٕज़Ϗδωεௐࠪ 

    &Y7J.&5σΟϨΫλʔ
  3. ΞδΣϯμ ɾͦ΋ͦ΋ΦϥΫϧͱ͸ ɾ%BQQTͷͨΊͷΦϥΫϧιϦϡʔγϣϯ

  4. ΦϥΫϧͱ͸

  5. ਆୗ

  6. ྫɿ༧ଌࢢ৔ ʮࠓ೔ͷ࿡ຊ໦ͷఱؾ͕੖ΕͰ͋ΕΔ͔൱͔ʯ ͰεϚʔτίϯτϥΫτΛ࣮ߦ͢Δ

  7. ֎෦ͷ"1*΍ηϯαʔσʔλͳͲ Πϯλʔωοτ্ͷσʔλΛ༻͍ͨ εϚʔτίϯτϥΫτΛ࡞੒͍ͨ͠

  8. ͔͠͠

  9. ϒϩοΫνΣʔϯͰ͸ωοτϫʔΫ಺Ͱ ίϯηϯαεΛऔΔͨΊɺ ࣮ߦຖʹมΘΔཚ਺ͳͲෆ࣮֬ͳσʔλΛѻ͑ͳ͍ ܾ·ͬͨσʔλΛ νΣʔϯ಺ʹ఻͑Δखஈ͕ඞཁ

  10. ΦϥΫϧ

  11. ͞·͟·ͳνΣʔϯ֎ͷιʔε͔ΒσʔλΛऔΓग़͠ɺ εϚʔτίϯτϥΫτʹͦͷσʔλΛ౉͢΋ͷɻ ΦϥΫϧͱ͸ɺʮσʔλΩϟϦΞʯͰ͋Δɻ

  12. ͨͩ͠ʜ ֎෦͔Β౉͞Εͨσʔλʹ͍ͭͯɺ ਖ਼͠͞ͷίϯηϯαεΛऔΔ͜ͱ͕೉͍͠ ˠ͋ΔओମΛ৴པ͢ΔʮूݖܕΦϥΫϧʯ ˠ৴པͳ͠ʹ߹ҙ͢Δʮ෼ࢄܕΦϥΫϧʯ

  13. ͨͩ͠ʜ ֎෦͔Β౉͞Εͨσʔλʹ͍ͭͯɺ ਖ਼͠͞ͷίϯηϯαεΛऔΔ͜ͱ͕೉͍͠ ˠ͋ΔओମΛ৴པ͢ΔʮूݖܕΦϥΫϧʯ ˠ৴པͳ͠ʹ߹ҙ͢Δʮ෼ࢄܕΦϥΫϧʯ ࣮༻తʹ͸΄΅ͪ͜Β͕࢖ΘΕ͍ͯΔ ˞෼ࢄܕΦϥΫϧ͸ӡӦͷΠϯηϯςΟϒઃܭ͕೉͘͠ɺݱࡏӡ༻͞Ε͍ͯΔ΋ͷ͕΄΅ͳ͍

  14. %BQQTͰ ΦϥΫϧΛ࢖͏ ιϦϡʔγϣϯ

  15. 3FBMJUZ,FZT ҝସϨʔτɺ҉߸௨՟औҾɺ'SFFCBTFͷΦʔϓϯσΟϨΫτϦͳ Ͳͷσʔλιʔε͔Βɺࢦఆ೔࣌ʹ͓͚Δࣄ࣮ͷਅِ൑ఆΛߦ͑Δ جຊແྉͷαʔϏεɻ ࣄ࣮ʹରͯ͠ɺʮ:FTʯʮ/Pʯͷͭͷ&$%4"҉߸伴ϖΞΛੜ੒ ͠ɺਖ਼͍͠ํͷൿີ伴͕ެ։͞ΕΔ࢓૊Έɻ IUUQTXXXSFBMJUZLFZTDPN

  16. 3FBMJUZ,FZT :FT QVCMJD@LFZ /0 1VCMJD@LFZ :FT QSJWBUF@LFZ /0 QSJWBUF@LFZ ʮ͕ऴΘΔ࣌఺Ͱͷ#5$ͷՁ͕֨ສԁΛ௒͍͑ͯΔ͔ʁʯ

    ֎෦σʔλιʔε "1*Ͱࣗಈతʹ ࢦఆ೔࣌ͷࣄ࣮Λ֬ೝ
  17. 3FBMJUZ,FZT :FT QVCMJD@LFZ /0 1VCMJD@LFZ :FT QSJWBUF@LFZ /0 QSJWBUF@LFZ ʮ͕ऴΘΔ࣌఺Ͱͷ#5$ͷՁ͕֨ສԁΛ௒͍͑ͯΔ͔ʁʯ

    ֎෦σʔλιʔε ެ։͞Εͳ͍ ਖ਼͍͠ํͷ݁Ռͷ ൿີ伴͕ࣗಈͰެ։͞ΕΔ ˞"1*Ͱऔಘ͞Εͨࣄ࣮͕ؒҧ͍ͬͯΔͱߟ͑Δ৔߹ɺ ༗ྉͰ3FBMJUZ,FZTͷਓؒʹ࠶֬ೝΛґཔͰ͖Δɻ
  18. 3FBMJUZ,FZT 1SPT$POT  #JUDPJOͰ΋3FBMJUZ,FZTΛ༻͍ͨτϥϯβΫγϣϯ͕ͭ͘ ΕΔɻ
 ྫɿIUUQTHJUIVCDPNSFBMJUZLFZTSFBMJUZLFZTFYBNQMFTCMPCNBTUFS SFBMJUZLFZTEFNPQZ
  ೝূہͱ͔ͯ͠ͳΓूݖత 

    ެ։͞Ε͍ͯΔҰ෦ͷ"1*ʹ৘ใऔಘ͕ݶΒΕ͍ͯΔ
  19. 0SBDMJ[F  &UISFVNͳͲͷϒϩοΫνΣʔϯʹσʔλΛτϥϯβΫγϣ ϯʹྲྀ͠ࠐΉܗͷΦϥΫϧɻ  ैྔ՝੍ۚ  1SPPG4IJFMEͰσʔλऔಘͷਖ਼౰ੑΛΦϯνΣʔϯͰ֬ೝͰ ͖Δ࢓૊Έ͕࣮૷͞Ε͍ͯΔɻʢݱࡏςετωοτͷΈʣ IUUQXXXPSBDMJ[FJU

  20. εϚʔτίϯτϥΫτ 0SBDMJ[F ֎෦σʔλιʔε σʔλΛ&UISFVNͷ τϥϯβΫγϣϯʹೖΕɺ
 @@DBMMCBDLΛ࣮ߦͯ͠஋Λ௨஌ σʔλιʔε͔Β PSBDMJ[F͕σʔλΛड͚औΔ PSBDMJ[Fʹ ֎෦ͷ৘ใऔಘΛґཔ

    σʔλιʔε΁ औಘϦΫΤετΛߦ͏
  21. 0SBDMJ[F TPMJEJUZDPEF ίʔϧόοΫ ݺͼग़͠

  22. 0SBDMJ[F 1SPT$POT  ࣮૷͕؆୯  0SBDMJ[Fͦͷ΋ͷͷίϯτϥΫτ͕ެ։͞Ε͍ͯΔ  σʔλͷਖ਼౰ੑΛݕূ͢Δ࢓૊Έ͕͋Δɻ
  جຊతʹ͸ύϒϦοΫνΣʔϯ༻ͷαʔϏεͳͷͰɺ


    ػີσʔλͳͲΛऔΓѻ͏͜ͱ͕೉͍͠ɻ
  23. ͦͷଞͷΦϥΫϧίϯηϓτ  $IBJO-JOL
 ʮ"'VMMZ%FDFOUSBMJ[FE0SBDMF/FUXPSLʯΛᨳ͏ΦϥΫϧɻ
 Ϣʔβʔ͸ɺ$IBJO-JOL্ͷෳ਺ͷΦϥΫϧϊʔυΛΦϥΫϧͷධ൑ͳͲ͔Βબ୒ ͠ɺϊʔυͷճ౴Λฏ४Խ͍ͯ͘͠ίϯηϓτɻʢਖ਼ࣜϦϦʔε͍ͯ͠ͳ͍ʣ
  (OPTJT
 ݱࡏ͸0SBDMJ[FͳͲͷDFOUMJ[FΦϥΫϧΛத৺ʹ࣮૷༧ఆ͕ͩɺ
 &5)Λ༻͍ͯ݁Ռʹର͢ΔҟٞͷνϟϨϯδ

    6MUJNBUF0SBDMF Λ͢Δ͜ͱ ͕Ͱ͖Δɺ෼ࢄܕΦϥΫϧͷίϯηϓτͳͲ΋༧ఆ͞Ε͍ͯͨɻ

  24. ·ͱΊ  ΦϥΫϧ͸νΣʔϯ֎ͷσʔλΛνΣʔϯʹ౉͢΋ͷ  ݱঢ়͸0SBDMJ[F͕࢖͍΍͘͢ɺσϑΝΫτײ  ͔͠͠ɺͲΕ΋ࠜຊతʹ͸ूݖܕͳͷͰɺ
 ෼ࢄܕͷίϯηϓτ͸·ͩ͜Ε͔Βʹظ଴