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ライトニングネットワーク完全に理解した (わかってない) / lightning-network
erukiti
March 16, 2018
2
1.6k
ライトニングネットワーク完全に理解した (わかってない) / lightning-network
erukiti
March 16, 2018
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Transcript
-JHIUOJOH/FUXPSL શʹཧղͨ͠ Θ͔ͬͯͳ͍ !FSVLJUJ
None
ࣗݾհ!FSVLJUJ w 5XJUUFS HJUIVC 2JJUB .FEJVNͳͲ w Ҿ͖͜ΓؾຯϑϦʔϥϯεΤϯδχϟʔ w ϥΠςΟϯάͱ͔ଟগ
w ٕज़ॻయͰɺ߹ಉࢽ ࿉ۚज़ ͱ߹ಉࢽͷۀԽ ϫϯ ετοϓຊ ͱಉਓࢽ ϒϩοΫνΣʔϯຊ ग़͠·͢ w ໊࡞ͬͨΒ3(#ͱ$.:,ͷ᠘ʹҾ͔͔ͬͬͨ
ؒҧͬͯͨΒ ποίϛ͓ئ͍͠·͢ʂ
ϥΠτχϯάωοτϫʔΫ w #JUDPJOͰߴɾେྔͷऔҾΛࡹ͚ͩ͘ͷεέʔϥϏϦςΟ ͕ແ͍ͷͰΦϑνΣʔϯ #JUDPJOͷ#MPDLDIBJOͱҟͳΔ ͷ ΛͬͯεέʔϥϏϦςΟΛಘΔํ๏ w ࠓઆ໌͢ΔͷϥΠτχϯάωοτϫʔΫͷͰ#JUDPJO ͷ#MPDLDIBJOଆ͚ͩ
w ཧղ͢ΔʹτϥϯβΫγϣϯͱεΫϦϓτΛΔඞཁ͕͋ Δ w ํϖΠϝϯτνϟϯωϧͱ)5-$Λ͏
τϥϯβΫγϣϯͱʁ w τϥϯβΫγϣϯϒϩοΫΑΓখ͍͞୯Ґ w ൿີ伴Λ࣋ͬͯΔຊਓ͚͕ͩτϥϯβΫγϣϯΛ࡞Ͱ͖ Δ ൿີ伴Ͱॺ໊͢Δ w ͭҎ্ͷWJO
༻͢Δࣗͷࢿ࢈Ͱ͍ΘΏΔ6590 ͱͭ Ҏ্ͷWPVU ૹۚ ΛؚΉ w WJOʹϩοΫղআͷεΫϦϓτ͕ඞཁ w WPVUʹϩοΫͷεΫϦϓτ͕ඞཁ
WPVU value ૹ৴ֹۚ 1.14514 n ΠϯσοΫε 0 scriptP ubKey ड͚औͬͨຊਓ͔͠
͑ͳ͍Α͏ʹ͢Δ ϩοΫ͢ΔεΫϦϓτ { hex: "a9146cf527aa9b6103f…", reqSigs: 1, type: "scripthash", addresses: ["2N3BLefabX……"] }
WJO txid ड͚औͬͨ·ͩͬͯͳ͍ τϥϯβΫγϣϯ*% 582d82e81124a334918c462fafdea be5eac0891bf202f90aa3baad6597 a9c6f8 vout τϥϯβΫγϣϯͷWPVU ෳ͋ΔͷͰɺΠϯσοΫε
0 scriptS ig WPVUͰ͔͚ΒΕͨϩοΫΛ ղআ͢ΔεΫϦϓτ 1600144049bcb93f5808c4dd2b6f9 648c06397ea6e6e55
εΫϦϓτͱʁ w GPSUIͷΑ͏ͳελοΫϚγϯ w ϧʔϓແ͍ͷͰඇνϡʔϦϯάશɻ؆୯ͳJGจ͕ هड़Ͱ͖Δ w ࣗ༝ʹ৭ʑͳϩοΫΞϯϩοΫͷΈΛ࡞ΔͨΊ ͷͷ w
ΞϯϩοΫͰ͖ͳ͚ΕࣗѼͷίΠϯͰ͏ࣄ Ͱ͖ͳ͍ ٯͲ͏ͳΜͩΖʁ
ํϖΠϝϯτνϟϯωϧ
ࡶʹݴ͏ͱ w εΫϦϓτʹΑͬͯಛघͳϩοΫঢ়ଶͰϏο τίΠϯΛ͋ΔΞυϨεʹσϙδοτ͢Δ w #JUDPJOͷ֎ଆͰऔҾΛͯ͠ ҰඵؒʹԿઍສճ औҾͯ͠େৎ ɺঢ়گ͕֬ఆͨ͠Β#JUDPJO ʹөͤ͞Δ
w ཪΓ͕Ͱ͖ͳ͍Α͏ʹͳ͍ͬͯΔ
"MJDFͱ#PC͕ ํϖΠϝϯτνϟϯωϧ Λ։͘
0QFOJOH5YΛ࡞ w "MJDFͱ#PCʹΑΔϚϧνγάΞυϨεʹૹۚ σϙ δοτ ͢Δ0QFOJOH5YΛ࡞Δ ϒϩʔυΩϟετ͠ ͳ͍ͷͰɺ·ͩϒϩοΫʹࡌͤͳ͍ w
"MJDFͱ#PCํͷॺ໊͕͋Ε͜ͷτϥϯβΫγϣ ϯΞϯϩοΫ͞ΕͯɺσϙδοτΞυϨεʹૹۚ ͞ΕΔ ·ͩ͜ͷ࣌Ͱॺ໊͠ͳ͍ɻ࡞͚ͩ w ྫϚϧνγάʹ߹ܭ#5$Λσϙδοτ͢Δ
γʔΫϨοτͷ࡞ͱ ϋογϡͷަ w ԿΒ͔ͷϥϯμϜͳγʔΫϨοτΛ࡞ͯ͠ɺ ͦͷϋογϡΛ૬खʹ͢ w ϥΠτχϯάωοτϫʔΫͷ࣮ʹΑͬͯҧ ͏Β͍͠ʁ ࠷ۙͷͭͩͱପԁۂઢ҉߸Λ͋ Ε͜Ε׆༻ͨͭ͠ʹվྑ͞ΕͯΔΒ͍͠ʁ
$PNNJUNFOU5Y w ઌ΄Ͳͷ0QFOJOH5YΛWJOʹ࣋ͭ$PNNJUNFOU5YΛ࡞Δɻ#5$Λσϙδο τ͍ͯͨ͠߹ɺ"MJDFͱ#PC͕ͦΕͧΕԿ#5$ड͚औΔ͔Λઃఆ͢Δ ྫ "MJDF #PC w $PNNJUNFOU5YΛ࡞ͬͨਓͱड͚औΔਓͰΞϯϩοΫ͕݅ҟͳΔεΫϦ
ϓτΛॻ͘ w ྫ"MJDFͷ࡞Δ$PNNJUNFOU5Yͷ߹ɺ#PCͷTFDSFUͰΞϯϩοΫ͢Δ ͱଈ࠲ʹ"MJDF5#$Λड͚औΔ w Ұఆظ͕ؒܦա͢Δͱ#PCʹ͍ͭͯΞϯϩοΫ͞Ε#5$Λड͚औΕΔ w $PNNJUNFOU5Y"MJDF͚ͩ͡Όͳͯ͘#PCಉ͡Α͏ʹ࡞ͯ͠ૹΓ߹͏
ํࢧ͍νϟωϧ։࢝ w $PNNJUNFOU5Yʹ߹ҙ͢Εɺ0QFOJOH5Yʹํॺ໊͠ ͔ͯΒϒϩʔυΩϟετ͢ΔͱํϖΠϝϯτνϟϯ ωϧͱݺΕΔͷ͕։࢝͞ΕΔ w $PNNJUNFOU5YΛϒϩʔυΩϟετ͢Δͱɺ૬खࢦఆ ֹۚΛड͚औΕΔ "MJDF͕γʔΫϨοτΛॻ͍ͯϒϩʔ υΩϟετ͢Δͱ#PC͕#5$ड͚औΓɺ#PC͕ϒϩʔυ
Ωϟετ͢Δͱ"MJDF͕#5$ड͚औΔ w ॏཁͳͷ$PNNJUNFOU5Y·ͩ֬ఆͯ͠ͳ͍͜ͱ
$PNNJUNFOU5Yͷߋ৽ w ৽ͨͳγʔΫϨοτΛ࡞͠ϋογϡΛަ͢Δ w ࠷ॳͷ0QFOJOH5YΛʹ࣋ͭ৽ͨͳ$PNNJUNFOU5YΛ࡞ ͠ͳ͓͢͜ͱͰऔҾ݁ՌΛߋ৽͢Δɻ "MJDF #PC w
͜ͷ͋ͱɺ࠷ॳͷγʔΫϨοτΛ໌͔͢͜ͱͰɺͦͷ $PNNJUNFOU5YΛࣄ্࣮ແޮʹ͢Δ Ҏલͷ$PNNJUNFOU ΛϒϩʔυΩϟετ͠Α͏ͱ͢Δͱɺશֹ૬खʹ࣋ͬͯ ߦ͔ΕΔ ͷͰ࠷৽ͷ$PNNJUNFOU5Y͚ͩ༗ޮʹͳΔ
ํࢧ͍νϟωϧ·ͱΊ w ࣮ࡍʹ#JUDPJOωοτϫʔΫʹϒϩʔυΩϟε τ͞ΕΔͷɺ0QFOJOHͱ$PNNJUNFOU5Yͷ Ͱ߹ܭͭͷτϥϯβΫγϣϯ͚ͩͰࡁΉ ίετ w ֎ͷੈքͰऔҾͨ݁͠ՌΛ$PNNJUNFOU5Yͷ
ߋ৽Ͱදݱ͠ͳ͕Β࠷ऴ݁ՌΛ࣮ࡍʹϒϩʔ υΩϟετ͢Δ
)5-$
)5-$ தܧ͢ΔίϯτϥΫτ w "MJDFͱ#PC #PCͱ$BSPMͰͦΕͧΕνϟωϧ͕ ͋Δ߹ w "MJDF͕$BSPMʹ#PCܦ༝Ͱ#5$Λૹ৴͍ͨ͠ w Ͱɺ్தͰཪΒͳ͍ͨΊʹͲ͏͢Δ͔ʁ
w ·ͣड͚औΔ$BSPM͕)5-$༻ͷTFDSFUΛ࡞͠ ͯɺ"MJDFͱ#PCʹͦͷIBTIΛૹΔ
"MJDF#PCૹۚ5Y w ·ͣ"MJDF͕ಛघͳϩοΫΛ͔͚ͨ5YΛॺ໊͠ ͯ#PCʹૹΓ͚ͭΔ w $BSPMͷTFDSFUΛೖखग़དྷΕ#PC͕Ξϯϩο Ϋͯ͠#5$Λड͚औΔ͜ͱ͕Ͱ͖Δ w ͨͩ͠Ұఆظ͕ؒܦա͢Δͱ"MJDF͕औΓ͢
#PC$BSPMૹۚ5Y w #PCಉ͡Α͏ͳಛघ5YΛॺ໊ͯ͠$BSPMʹૹ Δ w $BSPMγʔΫϨοτΛ͞Β͢͜ͱͰΞϯϩο ΫͰ͖ΔͷͰɺΞϯϩοΫ͞ΕΕ"MJDF #PCͷ5YΛΞϯϩοΫͰ͖Δ͜ͱʹͳΔ w Ұఆظ͕ؒܦͭͱ#PC͕#5$ΛऔΓ͢
Έ߹ΘͤΔͱ ૹ͕ۚͰ͖͕͋Δ
$PNNJUNFOU5Y )5-$ w ྫ"MJDF #PC )5-$ʹׂ͢Δ w "MJDF͕γʔΫϨοτΛಘͯϒϩʔυΩϟετ͢Δͱɺ#PC #5$Λड͚औΔ ࣗͷͷ#5$ҰఆظؒޙͳͷͰ#PCʹ
ϒϩʔυΩϟετͯ͠Β͍͍ͨ w #PC͕γʔΫϨοτΛಘͯϒϩʔυΩϟετΛͨ͠߹ɺ"MJDF ͕#5$Λड͚औΓɺ)5-$ "MJDF͕ϒϩʔυΩϟετΛ͠ ͯͳ͚ΕҰఆ࣌ؒͷϩοΫ͕͋Δ͕ #PC͕ड͚औΔ͜ͱ͕ ֬ఆ͢Δ #PCͷ#5$͋ΔͷͰ"MJDFʹϒϩʔυΩϟετ͠ ͯΒ͍͍ͨ
͋ͱϧʔςΟϯάͱ͔ ΦϑνΣʔϯऔҾؤுΕ ϥΠτχϯάωοτϫʔΫʂ
ϥΠτχϯάωοτϫʔΫ w τϥϯβΫγϣϯΛ࡞ͯ͠ަͨ͠Γ͢Δ͚ͲϒϩʔυΩϟ ετΛ͠ͳ͍͜ͱͰࢫ͘ϘτϧωοΫΛճආͭͭ͠औҾঢ়ଶͷ Ξοϓσʔτ͕Ͱ͖ͯɺཪΓ͕ෆՄೳͳΈͱ͍͏ͷ͕໘ ന͍ w ͜ΕΒΛΈ߹ΘͤͯϧʔςΟϯά͢ΔͱɺͦΕͬΆ͍ωοτ ϫʔΫ͕Ͱ͖Δ w
࣮ࡍͷϥΠτχϯάωοτϫʔΫͷ࣮ΛಡΜͩΘ͚͡Όͳ͍ ͷͰɺৄࡉؒҧͬͯͨΓ͢Δ͔͠Εͳ͍ͷͰɺಥͬࠐΈͱ͔ ͓ئ͍͠·͢ʂ
None
ٕज़ಉਓࢽͷ ৽ץએձΓ·͢ w IUUQTUFDIEPVKJODPOOQBTTDPNFWFOU w ٕज़ॻయ ʹ͚ͯɺ৽ץΛએͰ͖Δձ Ͱɺ1FSJTDPQFʹΑΔ৴͢ΔͷͰΦϯϥΠϯͰ
ΧδϡΞϧʹࢹௌͰ͖·͢ 5XJUUFSͱ͔Ͱͦͷ· ·ݟΒΕΔ w ઈࢍืूதʂ