Bitcoin Script入門

2018年10月28日OSC東京Fall東海道らぐLT大会で、Bitcoin Scriptの初歩的な話をLTでさせていただきました。

Transcript

1. #JUDPJO
   4DSJQUೖ໳ ೥݄೔
   ౦ւಓΒ͙!04$
   5PLZP
   'BMM
   ೔ຊ҉߸௨՟Ϣʔβձɹখᔹ
   प 4IV
   ,PCVDIJ
2. খᔹ
   पɹ4IV
   ,PCVDIJ
   ɹ
   
   
   
   
   
   !TIV@LPC
   
   
   
   
   
   
   
   
   
   TIVLPCVDIJ
   ʙ
   4*FSͰϒϩοΫνΣʔϯͷݚڀ։ൃ୲౰
   ʙ
   ϑϨηοπגࣜձࣾͷγχΞιϑτ΢ΣΞΤϯδχΞ
   w Ծ૝௨՟औҾॴ޲͚΢ΥϨοτ։ൃΛ୲౰ ࣗݾ঺հ !2
3. ҉߸௨՟ಡॻձʗษڧձ
   
   
   
   ɹ
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   IUUQTDSZQUPDVSSFODZDPOOQBTTDPN
   ॳ৺ऀʙதڃऀ޲͚ͷʮϏοτίΠϯͱ͔ษڧձʯʢ݄̍ճɿฏ೔໷ʣ
   w ࣍ճ͸ ݄ ʙ
   ඼઒
   ೔ຊϚΠΫϩιϑτ
   தڃऀʙ্ڃऀ޲͚ͷʮ҉߸௨՟ྠಡձʯʢ݄̍ճɿฏ೔໷ʣ
   w ࣍ճ͸ ໦ ʙ
   ൒ଂ໳
   -*'6--
   DSBTIBDBEFNZ *5ܥಈը഑৴ ʹͯϏοτίΠϯͱ͔ษڧձͷΞʔΧΠϒ഑৴த
 IUUQTDSBTIBDBEFNZDPNNVOJUZDSZQUPDVSSFODZ
   :PV5VCFνϟϯωϧʢྠಡձʗษڧձʣIUUQTHPPHM"2&W+
   ϩάϛʔ5FDI
   ษڧձॻ͖ى͜͠
   
   IUUQTMPHNJKQDPNNVOJUJFT ίϛϡχςΟ঺հ !3
4. ϏοτίΠϯ͸Φʔϓϯιʔε ϏοτίΠϯ #JUDPJO ͸Φʔϓϯιʔε
   ୭Ͱ΋։ൃʹࢀՃՄೳʂ
 IUUQTHJUIVCDPNCJUDPJOCJUDPJO
   ϏοτίΠϯΛ͸͡Ίɺ҉߸௨՟ɾϒϩοΫνΣʔϯͷଟ͘͸044
   ٕज़తʹ΋໘ന͍ʂʂ
   ϥΠτίΠϯ -JUFDPJO ͸#JUDPJOͷιʔείʔυ͔ΒϑΥʔΫ
 IUUQTHJUIVCDPNMJUFDPJOQSPKFDUMJUFDPJO
   ϞφίΠϯ .POBDPJO ͸-JUFDPJOͷιʔείʔυ͕ϕʔε
 IUUQTHJUIVCDPNNPOBDPJOQSPKFDUNPOBDPJO
   ΠʔαϦΞϜ &UIFSFVN ΋Φʔϓϯιʔε
 IUUQTHJUIVCDPNFUIFSFVNHPFUIFSFVN !4
5. #JUDPJO
   4DSJQU -*'0 -BTU
   *O
   'JSTU
   0VU ͷ୯७ͳεΫϦϓτ
   'PSUIͷΑ͏ͳٯϙʔϥϯυه๏
   #JUDPJO
   5SBOTBDUJPOʹ͸ඞؚͣ·ΕΔ
   #JUDPJO
   $PSF CJUDPJOE ΍ϥΠϒϥϦΛ࢖͏ͱɺ#JUDPJO
   4DSJQUΛҙࣝ͠ͳ ͯ͘΋ɺϓϩάϥϜ͸ॻ͚Δ
   6OMPDLJOH
   4DSJQUͱ-PDLJOH
   4DSJQUΛಉ࣌ʹ࣮ߦ
   ਖ਼࣮͘͠ߦͰ͖Ε͹6OMPDLJOH
   4DSJQUͰ-PDLJOH
   4DSJQUΛղআͯ͠ɺτϥϯ βΫγϣϯͷ༗ޮੑΛࣔͤΔ !5 6OMPDLJOH
   4DSJQU -PDLJOH
   4DSJQU
6. ୯७ͳྫ 6OMPDLJOH
   4DSJQUɺ-PDLJOH
   4DSJQUͷॱͰ࣮ߦ͢Δ
   ελοΫʹσʔλͱ01ίʔυΛೖΕ͍ͯ͘
   01ίʔυΛελοΫʹೖΕͨͱ͖͸໋ྩʹԠͯ͡Լͷσʔλͭ·ͨ͸ෳ਺ ʹରͯ͠ԋࢉ͢Δ !6 -PDLJOH
   4DSJQU 6OMPDLJOH
   4DSJQU  
   
   01@"%%
   
   01@&26"-
   Λ࣮ߦ     01@"%%  Ճࢉ       536& ༗ޮ 01@&26"-  
   01@"%%
   
   01@&26"- ಉ஋͔ ౳͍͠
7. 11, 1BZ
   UP
   1VCMJD
   ,FZ
   TJH͸ൿີ伴Λ༻͍ͯੜ੒͞ΕΔॺ໊ɺ1VC,͸ެ։伴 !7 -PDLJOH
   4DSJQU 6OMPDLJOH
   4DSJQU TJH
   1VC,
   01@$)&$,4*(Λ࣮ߦ TJH 1VC, TJH 1VC, 536& ༗ޮ $)&$,4*( TJH 1VC,
   01@$)&$,4*( ॺ໊Λݕূ
8. 11,) 1BZ
   UP
   1VCMJD
   ,FZ
   )BTIʢ11,ͷൃల൛ʣ
   ެ։伴ϋογϡΛ༻͍Δ͜ͱͰΞυϨεΛ୹͘දݱͰ͖Δ
   TDSJQU͸ʢʣ಺Ͱͷݺͼํ΋͋Δ !8 -PDLJOH
   4DSJQU
   TDSJQU1VC,FZ 6OMPDLJOH
   4DSJQU
   TDSJQU4JH TJH TJH
   1VC,
   01@%61
   01@)"4)
   1VC,)BTI
   01@&26"-7&3*':
   01@$)&$,4*(Λ࣮ߦ TJH 536& 1VC, TJH 1VC, TJH 1VC, 1VC, 1VC, 1VC,)BTI TJH 1VC, 1VC,)BTI 1VC,)BTI TJH 1VC, 1VC,)BTI 1VC,)BTI TJH 1VC, 01@%61 )"4) ෳ੡ 01@&26"- ౳͍͠ TJH
   1VC, 01@%61
   01@)"4)
   1VC,)BTI
   01@&26"-7&3*':
   01@$)&$,4*( ಉ஋͔ 4)"ͷޙ
   3*1&.% ෳ੡
9. 11,)ʢଓ͖ʣ ࢒Γ͸11,ͱಉ͡ !9 -PDLJOH
   4DSJQU 6OMPDLJOH
   4DSJQU TJH 1VC, TJH 1VC, 536& ༗ޮ $)&$,4*( TJH
   1VC, 01@%61
   01@)"4)
   1VC,)BTI
   01@&26"-7&3*':
   01@$)&$,4*( ॺ໊Λݕূ
10. ࠂ஌ʢ̍ʣ ೔ຊ҉߸௨՟Ϣʔβձϒʔεग़ల͍ͯ͠·͢
    ؾܰʹ༡ͼʹདྷ͍ͯͩ͘͞
    w ηϛφʔ͸೔໨ʹऴྃ
    νϥγ࡞Γ·ͨ͠ʂ
     ݄ ʙ
    ඼઒ϚΠΫϩιϑτ
    ϏοτίΠϯͱ͔ษڧձ
    IUUQTHPPHMXXOR.5 !10
11. ࠂ஌ʢ̎ʣ &UIFSFVN ΠʔαϦΞϜ ٕज़ऀίϛϡχςΟʮ)J&UIFS෱Ԭࢧ෦ʯ΋ϒʔε ग़లʢηϛφʔ͸ͳ͠ʣ
    )J&UIFSͷೖΓํ
    w IUUQTRJJUBDPNBNBDIJOPJUFNT⒎EEDD
    )J$PO
     ౔ 
    ܚጯٛक़େֶ೔٢Ωϟϯύε
    w ೔ຊॳͷେن໛ΠʔαϦΞϜٕज़ऀձٞ
    w IUUQTDPOGFSFODFIJFUIFSPSH
     Ұൠͷνέοτ͸ׂҾίʔυ͋Γ
     ֶੜ͸ֶׂίʔυͰνέοτ͕ແྉ
     -BZFS9
    $&0
    ෱ౡྑయࢯ
    લ(VOPTZ
    $&0 
 %..
    $50
    দຊ༐ؾࢯ
    લ(VOPTZ
    $50 
 Βొஃऀ͸߽՚ʂ !11
12. ࠂ஌ʢ̏ʣ /FVUSJOPୈࡾճϒϩοΫνΣʔϯηΩϡϦςΟษڧձʹࢲɺখᔹ͕ొஃ༧ఆ
     ਫ ʙौ୩/FVUSJOP
    /FVUSJOP͸ϒϩοΫνΣʔϯʹಛԽͨ͠ίϫʔΩϯάεϖʔε
    ϑϨηοπࣾͷԾ૝௨՟औҾॴ޲͚΢ΥϨοτʮ&8.ʯ &OUFSQSJTF
    8BMMFU
    .BOBHFNFOU
    4ZTUFNΛ࣠ʹɺԾ૝௨՟ͷηΩϡϦςΟʹ͍ͭͯ ղઆ༧ఆ
    DPOOQBTTϖʔδ४උதɿ/FVUSJOPͷDPOOQBTTϖʔδΛνΣοΫ
    w IUUQTOFVUSJOPDPOOQBTTDPN !12