mirror of
https://github.com/ilyakooo0/urbit.git
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44 lines
1.0 KiB
Plaintext
44 lines
1.0 KiB
Plaintext
/- post
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^?
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=< [post .]
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=, post
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|%
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++ sign
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|= [our=ship now=time =hash]
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^- signature
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=/ =life .^(life %j /=life/(scot %da now)/(scot %p our))
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=/ =ring .^(ring %j /=vein/(scot %da now)/(scot %ud life))
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:+ `@ux`(sign:as:(nol:nu:crub:crypto ring) hash)
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our
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life
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::
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++ is-signature-valid
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|= [=signature =hash now=time]
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^- ?
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=/ deed=(unit [a=life b=pass c=(unit @ux)])
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.^ (unit [life pass (unit @ux)])
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%j
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/=deed/(scot %da now)/(scot %p q.signature)/(scot %ud p.signature)
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==
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:: we do not have a public key from ship
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::
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?~ deed %.y
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:: we do not have a public key from ship at this life
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::
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?. =(a.u.deed r.signature) %.y
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:: verify signature from ship at life
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::
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=(`hash (tear:as:crub:crypto b.u.deed p.signature))
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::
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++ are-signatures-valid
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|= [=signatures =hash now=time]
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^- ?
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=/ signature-list ~(tap in signatures)
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|-
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?~ signature-list
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%.y
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?: (is-signature-valid i.signature-list hash now)
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$(signature-list t.signature-list)
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%.n
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--
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