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ウォレットを作る上でのTipsと DEX実装の話
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GuiltyMorishita
November 10, 2018
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ウォレットを作る上でのTipsと DEX実装の話
Hi-Con 2018/11/10
GuiltyMorishita
November 10, 2018
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Transcript
©2018 Ginco, Inc. ΥϨοτΛ࡞Δ্Ͱͷ5JQTͱ %&9࣮ͷ H i - C o
n 2 0 1 8 M A S A T A K A M O R I S H I T A 2 0 1 8 / 1 1 / 1 0 / S A T
A B O U T M Y S E L
F ©2018 Ginco, Inc. ࣗݾհ Masataka Morishita @guiltymorishita ৽ଔͰגࣜձࣾΞΧπΩʹೖࣾ͠ Πϯϑϥ։ൃʹैࣄ ݱࡏ(JODPͷ$50ΛΊ ༷ʑͳϒϩοΫνΣʔϯͷݚڀ։ൃΛߦ͏ ࠷ۙϒϩοΫνΣʔϯपΓͷϥΠϒϥϦΛ(PͰॻ͘ͷ͕ࣄ
©2018 Ginco, Inc. Crypto Wallet ©2018 Ginco, Inc.
©2018 Ginco, Inc. ·ͱΊͯͻͱͭʹ Bitcoin Bitcoin Cash Litecoin XRP Ethereum
Classic Ethereum
©2018 Ginco, Inc. ϢʔβʔϑϨϯυϦʔͳσβΠϯ
©2018 Ginco, Inc. ΫϥΠΞϯτܕΥϨοτͷجຊΛ࣮ʹ ߴਫ४ͷηΩϡϦςΟͱ҆શੑ ֤σόΠεͷ தʹͷΈอ ̍ͭͷόοΫΞοϓΩʔͰ ෳͷ௨՟Λཧ ௨৴ͷ҉߸Խͱ
ಠࣗͷೝূํࣜ ൿີ伴ͷཧํࣜ ΥϨοτͷߏ ௨৴ํࣜ
©2018 Ginco, Inc. ಠࣗͷݎ࿚ͳΠϯϑϥ Node શͯͷϒϩοΫνΣʔϯ ϊʔυΛࣗΒཱͯΔ Block Explorer ϒϩοΫΤΫεϓϩʔϥΛ
ࣗୡͰ࡞Δ Scalability ߴ͍εέʔϥϏϦςΟΛ ֬อ
©2018 Ginco, Inc. (JODPͷઆ໌Ҏ্
©2018 Ginco, Inc. ΥϨοτΛ ࡞Γ͍ͨਓ͚
©2018 Ginco, Inc. ΞδΣϯμ A G E N D A
5 5 5 5 ΥϨοτͱʁ ॳ৺ऀ͚ ΥϨοτ։ൃͰେͳ͜ͱ ΥϨοτ։ൃͰؾ͍ͮͨ͜ͱ %&9ͷ࣮
©2018 Ginco, Inc. ΥϨοτͱʁ P A R T 1
©2018 Ginco, Inc. ΥϨοτͷछྨ
©2018 Ginco, Inc. ϞόΠϧ ΥϨοτͷछྨ W A L L E
T T Y P E औҾॴ Web
©2018 Ginco, Inc. ϞόΠϧ ΥϨοτͷछྨ W A L L E
T T Y P E औҾॴ Web
©2018 Ginco, Inc. Ͳ͏͍͏͚ํ͔
©2018 Ginco, Inc. ൿີ伴ͷอଘॴ
©2018 Ginco, Inc. ൿີ伴ͷอଘॴ K E Y S T O
R A G E L O C A T I O N 5 औҾॴɿαʔόʹ伴Λอଘ ϞόΠϧɿΫϥΠΞϯτʹ伴Λอଘ 58FCɿ伴Λอଘ͠ͳ͍ ϝϞϦ্ͰΩϟογϡ
©2018 Ginco, Inc. ผͷ͚ํ
©2018 Ginco, Inc. Ϣʔβ͕伴Λཧ ΥϨοτͷछྨ W A L L E
T T Y P E ӡӦऀ͕伴Λཧ αʔόܕ ΫϥΠΞϯτܕ
©2018 Ginco, Inc. ΥϨοτͷछྨ αʔόʔܕΥϨοτ 5 ΫϥΠΞϯτܕΥϨοτ ൿີ伴ΛͰཧ 5 αʔόʔܕΥϨοτ
ൿີ伴ΛαʔϏεఏڙऀͷαʔόʔ্Ͱཧ W A L L E T T Y P E
©2018 Ginco, Inc. ͦΕͧΕͷಛ
©2018 Ginco, Inc. αʔόܕ S E R V E R
T Y P E 5 5 5 5 ΦϑνΣʔϯͱΦϯνΣʔϯͷߦ͖དྷָ͕ ͔ͳΓॊೈʹαʔϏεΛ࡞ΕΔ Ϣʔβ伴ͷཧ͕͍Βͳ͍ͷͰ҆৺ ཧऀ伴ͷཧ͕େม
©2018 Ginco, Inc. ΫϥΠΞϯτܕ C L I E N T
T Y P E 5 5 5 5 Ϣʔβ͕શͯͷݖݶΛ࣋ͯΔ ϒϩοΫνΣʔϯͷྑ͞Λ׆͔ͤΔ ϒϩοΫνΣʔϯͷ༷ʹറΒΕΔ ϢʔβͷϦςϥγʔ͕ࢼ͞ΕΔ
©2018 Ginco, Inc. ͲͬͪΛબྑ͍͔
©2018 Ginco, Inc. ࣮ݱ͍ͨ͜͠ͱʹΑΔ
©2018 Ginco, Inc. ૬ஊ͠ʹདྷ͍ͯͩ͘͞
©2018 Ginco, Inc. ΥϨοτͷجຊػೳ
©2018 Ginco, Inc. ΥϨοτͷجຊػೳ B A S I C F
U N C T I O N S 5 ߴͷදࣔ ૹۚ 5 ड͚औΓ
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©2018 Ginco, Inc. Ͳ͏͍͏ػೳΛ࣮͢Δ͔
©2018 Ginco, Inc. ΥϨοτͷ༻్
©2018 Ginco, Inc. 5 5 5 Ծ௨՟ཧ %BQQTϒϥβ ։ൃऀ͚ ΥϨοτͷ༻్
P U R P O S E O F W A L L E T 5 ൚༻ .JTU
©2018 Ginco, Inc. ༻్ผͷػೳ
©2018 Ginco, Inc. Ծ௨՟ཧʹඞཁͳػೳ N E C E S S
A R Y F U N C T I O N S 5 ΞΧϯτ 伴 ͷཧ 5 ཤྺͷදࣔ
©2018 Ginco, Inc. %BQQTϒϥβʹඞཁͳػೳ N E C E S S
A R Y F U N C T I O N S 5 ίϯτϥΫτͷ࣮ߦ 5 Ξηοτͷදࣔ
©2018 Ginco, Inc. %BQQTϒϥβʹඞཁͳػೳ N E C E S S
A R Y F U N C T I O N S 5 τϥϯβΫγϣϯͷৄࡉදࣔ 5 ωοτϫʔΫΓସ͑
©2018 Ginco, Inc. తʹ߹ΘͤͨػೳΛ ࣮͕ඞཁ
©2018 Ginco, Inc. ΤϯυϢʔβ͚ Ͱ͖Δ͜ͱ͕গͳ͍΄͏͕ 6*ɾ69తʹྑ͍
©2018 Ginco, Inc. ։ൃऀ͚ Ͱ͖Δ͜ͱ͕ଟ͍ํ͕ ·ΕΔ
©2018 Ginco, Inc. %BQQT͚
©2018 Ginco, Inc. Ͳ͜·ͰରԠͨ͠Βྑ͍͔ Θ͔Βͳ͍
©2018 Ginco, Inc. %BQQTϢʔβͷ෯ͷ͞ D A P P S U
S E R 5 ੲ͔Β*$0ࢀՃͯ͠·͢ 5 ࠷ۙ#JUDPJOങ͍·ͨ͠
©2018 Ginco, Inc. શһ͕ೲಘ͢Δ ΥϨοτΛ࡞Δͷ͍͠
©2018 Ginco, Inc. ͳͷͰ
©2018 Ginco, Inc. ΥϨοτ։ൃऀ ࢥΛڧ࣋ͪ͘·͠ΐ͏
©2018 Ginco, Inc. ࣗͷࢥͷൣғͰ ϢʔβͷرΛ࠷େԽ
©2018 Ginco, Inc. ΥϨοτ։ൃͰ ؾ͍ͮͨͱ͜Ζ P A R T 3
©2018 Ginco, Inc. &UIFSFVNͷଓ
©2018 Ginco, Inc. &UIFSFVNͷଓ C O N N E C
T I O N T O E T H E R E U M 5 5 5 ࣗͷϊʔυ ϓϩόΠμαʔϏε ύϒϦοΫ"1* HFUI
©2018 Ginco, Inc. ࣗͷϊʔυ O W N N O D
E S 5 1SPT ͖ͳΑ͏ʹઃఆͰ͖Δ ϦΫΤετ੍ݶ͕ͳ͍ 5 $POT ಉظ͕ඞཁ ϥϯχϯάίετ͕ߴ͍
©2018 Ginco, Inc. ϓϩόΠμαʔϏε P R O V I D
E R S E R V I C E S 5 1SPT खܰʹ͑Δ ίετ͕͍ 5 $POT ࡉ͔͍ઃఆͰ͖ͳ͍ ṖͷΤϥʔ͕͋Δ
©2018 Ginco, Inc. ύϒϦοΫ"1* P U B L I C
A P I 5 1SPT +40/31$͡Όͳ͍ (FUIʹແ͍"1*͋Δ 5 $POT ϦΫΤετ੍ݶ͕͖͍ͭ جຊతͳ"1*͔͠ͳ͍
©2018 Ginco, Inc. ࡞Γ͍ͨΥϨοτʹ ߹Θͤͯબ
©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ
©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ A B O U T G
A S L I M I T 5 ΤϯδχΞͰ࠷ॳཧղ͕͍͠ 5 ΤϯυϢʔβશ͘Βͳͯ͘ྑ͍
©2018 Ginco, Inc. ͱΓ͋͑ͣదʹ େ͖͍ΛೖΕΔͱྑ͛͞
©2018 Ginco, Inc. ͳΜͯ͜ͱ ͍͚ͯ͠·ͤΜ
©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ A B O U T G
A S L I M I T 5 Ϣʔβͷࢿ࢈ΛकΔͨΊదͳʹ͢Δ 5 #MPDL(BT-JNJUҎԼʹͳΔΑ͏ʹ͢Δ
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A S L I M I T 5 &UIFSͷૹۚΛ͏
©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ A B O U T G
A S L I M I T 5 ίϯτϥΫτͷ࣮ߦFTUJNBUF(BT Λ͏ 5 ͋Δఔ͔Δ߹ݻఆͰՄ
©2018 Ginco, Inc. FTUJNBUF(BT ʹ͍ͭͯ A B O U T
E S T I M A T E G A S 5 FTUJNBUF(BT ਖ਼֬ͳͰͳ͍ 5 ίϯτϥΫτʹΑͬͯڊେͳͱͳΔՄೳੑ
©2018 Ginco, Inc. Ϣʔβ͕ҙਤͤͣ &UIFSΛࣦ͏͔
©2018 Ginco, Inc. (BT1SJDFʹ͍ͭͯ
©2018 Ginco, Inc. (BT1SJDFʹ͍ͭͯ A B O U T G
A S P R I C E 5 खྉΛܾΊΔͨΊͷ 5 ଟ͚Εଟ͍΄Ͳૣ͘ঝೝ͞ΕΔ
©2018 Ginco, Inc. ͱΓ͋͑ͣదʹ େ͖͍ΛೖΕΔͱྑ͛͞
©2018 Ginco, Inc. ͳΜͯ͜ͱ ͍͚ͯ͠·ͤΜ
©2018 Ginco, Inc. (BT1SJDFʹ͍ͭͯ A B O U T G
A S P R I C E 5 ϢʔβʹܾΊͯΒ͏ 5 (BT1SJDF ͷΛ͏
©2018 Ginco, Inc. &5)(BT4UBUJPO E T H G A S
S T A T I O N
©2018 Ginco, Inc. (BT1SJDFͷ࠷ L O W E S T
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©2018 Ginco, Inc. /PODFʹ͍ͭͯ
©2018 Ginco, Inc. /PODFʹ͍ͭͯ A B O U T N
O N C E 5 59ͷॲཧॱΛܾΊΔͷ 5 ͔Β࿈ଓ͍ͯ͠ͳ͍59ॲཧ͞Εͳ͍
©2018 Ginco, Inc. దͳ/(
©2018 Ginco, Inc. 5 ૹͬͨ59ΛΧϯτ͓ͯ͘͠ (FU5SBOTBDUJPO$PVOU Λ͏ 5 &UIFSTDBOͷཤྺ͔ΒΧϯτ͢Δ /PODFʹ͍ͭͯ
A B O U T N O N C E
©2018 Ginco, Inc. (FU5SBOTBDUJPO$PVOU G E T T R A
N S A C T I O N C O U N T 5 ૹ৴ͨ͠ঝೝࡁΈ59ͷΛऔಘͰ͖Δ 5 1FOEJOH59ͷਖ਼֬Ͱͳ͍
©2018 Ginco, Inc. UFTUOFUͰಈ͍ͯ NBJOOFUͰಈ͔ͳ͍͔
©2018 Ginco, Inc. ೖྗόϦσʔγϣϯ
©2018 Ginco, Inc. ೖྗόϦσʔγϣϯ I N P U T V
A L I D A T I O N
©2018 Ginco, Inc. ೖྗόϦσʔγϣϯ I N P U T V
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©2018 Ginco, Inc. ೖྗόϦσʔγϣϯ I N P U T V
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©2018 Ginco, Inc. શֹೖྗ
©2018 Ginco, Inc. શֹೖྗ A L L B A L
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©2018 Ginco, Inc. 5 ૹۚՄೳֹΛͦͷ··ೖྗ શֹೖྗ A L L B
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©2018 Ginco, Inc. τϥϯβΫγϣϯཤྺ
©2018 Ginco, Inc. ͳ͍͍͚ͯ͘Ͳ ͋ͬͨΒ͘͢͝ศར
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I S T O R Y 5 ૹͬͨ59ΛΩϟογϡ͓ͯ͘͠ 5 &UIFSTDBO͔ΒཤྺΛऔಘ͢Δ
©2018 Ginco, Inc. 59ͷ4UBUFΛ ߋ৽͍ͯ͘͠ͷ͕େม
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©2018 Ginco, Inc. %SPQ3FQMBDF D R O P / R
E P L A C E 5 %SPQૹͬͨ59͕ԿΒ͔ͷཧ༝Ͱফ͑Δ 5 3FQMBDFૹͬͨ59ͷ্ॻ͖
©2018 Ginco, Inc. %SPQͷରԠ D R O P S U
P P O R T 5 1FOEJOH5Y)BTIΛΩϟογϡ 5 ͕࣌ؒܦͬͨ͋ͱ֬ೝͰ͖ͳ͚Ε%SPQ
©2018 Ginco, Inc. %SPQͷରԠ D R O P S U
P P O R T 58BMMFU 5 HFUI 1FOEJOH5Y)BTI (FU5SBOTBDUJPO ֬ೝͰ͖ͳ͘ͳͬͨΒ%SPQ
©2018 Ginco, Inc. 3FQMBDFͷରԠ R E P L A C
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B E R N E T W O R K 5 &5) 5 &3$ 5 &3$ 5 &3$
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©2018 Ginco, Inc. ©2018 Ginco, Inc. ,ZCFS/FUXPSL &YQFDUFE3BUF HFU&YQFDUFE3BUF
ᶃ 3BUF,/$&5) ᶅ ᶄ HFU&YQFDUFE3BUF ᶆ 3BUF,/$&5) 3BUFͷऔಘ G E T R A T E
©2018 Ginco, Inc. ©2018 Ginco, Inc. &5) ᶃ USBEF
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,ZCFS/FUXPSL ,ZCFS3FTFSWF ,/$ USBEF 0.( ᶃ ᶄ ᶅ &3$ͷަ E R C 2 0 T R A D E
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T M E N T 8BOUFEMZ͔'BDFCPPL͔5XJUUFSͰ·ͣؾܰʹ࿈བྷ ࠾༻৬ Ԡืํ๏ J04 "OESPJE αʔόαΠυ Πϯϑϥ 2" 6* 69 ϏδϡΞϧ άϥϑΟοΫ ࠃւ֎ϚʔέςΟϯά Ϧαʔνϟʔ ਓࣄ όοΫΦϑΟε ΤϯδχΞ σβΠφʔ Ϗδωε
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