mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-11-28 19:55:53 +03:00
297 lines
6.4 KiB
Plaintext
297 lines
6.4 KiB
Plaintext
:: bitcoin.hoon
|
|
:: top-level Bitcoin constants
|
|
:: expose BIP libraries
|
|
::
|
|
/- *bitcoin
|
|
/+ bech32=bip-b173, pbt=bip-b174, bcu=bitcoin-utils, bip-b158
|
|
~% %bitcoin-lib ..part ~
|
|
|%
|
|
++ overhead-weight ^-(vbytes 11)
|
|
++ input-weight
|
|
~/ %input-weight
|
|
|= =bipt
|
|
^- vbytes
|
|
?- bipt
|
|
%44 148
|
|
%49 91
|
|
%84 68
|
|
==
|
|
++ output-weight
|
|
|= =bipt
|
|
^- vbytes
|
|
?- bipt
|
|
%44 34
|
|
%49 32
|
|
%84 31
|
|
==
|
|
::
|
|
++ xpub-type
|
|
|= =xpub
|
|
^- [=bipt =network]
|
|
=/ prefix=tape (scag 4 (trip xpub))
|
|
?: =("tpub" prefix) [%44 %testnet]
|
|
?: =("upub" prefix) [%49 %testnet]
|
|
?: =("vpub" prefix) [%84 %testnet]
|
|
?: =("xpub" prefix) [%44 %main]
|
|
?: =("ypub" prefix) [%49 %main]
|
|
?: =("zpub" prefix) [%84 %main]
|
|
~|("invalid xpub: {<xpub>}" !!)
|
|
::
|
|
:: adr: address manipulation
|
|
::
|
|
++ adr
|
|
~% %adr ..overhead-weight ~
|
|
|%
|
|
++ get-bipt
|
|
~/ %get-bipt
|
|
|= a=address
|
|
^- bipt
|
|
=/ spk=hexb (to-script-pubkey:adr a)
|
|
?: =(25 wid.spk) %44
|
|
?: =(23 wid.spk) %49
|
|
?: =(22 wid.spk) %84
|
|
?: =(34 wid.spk) %84
|
|
~|("Invalid address" !!)
|
|
::
|
|
++ to-cord
|
|
~/ %to-cord
|
|
|= a=address ^- cord
|
|
?: ?=([%base58 *] a)
|
|
%- crip
|
|
%+ slag 2
|
|
(scow %uc +.a)
|
|
+.a
|
|
::
|
|
++ from-pubkey
|
|
~/ %from-pubkey
|
|
|= [=bipt =network pubkey=hexb]
|
|
^- address
|
|
?- bipt
|
|
%44
|
|
:- %base58
|
|
=< ^-(@uc dat)
|
|
%- cat:byt:bcu
|
|
:- ?- network
|
|
%main 1^0x0
|
|
%testnet 1^0x6f
|
|
==
|
|
~[(hash-160:bcu pubkey)]
|
|
::
|
|
%49
|
|
:- %base58
|
|
=< ^-(@uc dat)
|
|
%- cat:byt:bcu
|
|
:~ ?- network
|
|
%main 1^0x5
|
|
%testnet 1^0xc4
|
|
==
|
|
%- hash-160:bcu
|
|
(cat:byt:bcu ~[2^0x14 (hash-160:bcu pubkey)])
|
|
==
|
|
::
|
|
%84
|
|
:- %bech32
|
|
(need (encode-pubkey:bech32 network pubkey))
|
|
==
|
|
::
|
|
++ from-cord
|
|
~/ %from-cord
|
|
|= addrc=@t
|
|
|^
|
|
=/ addrt=tape (trip addrc)
|
|
^- address
|
|
?: (is-base58 addrt)
|
|
[%base58 `@uc`(scan addrt fim:ag)]
|
|
?: (is-bech32 addrt)
|
|
[%bech32 addrc]
|
|
~|("Invalid address: {<addrc>}" !!)
|
|
::
|
|
++ is-base58
|
|
|= at=tape
|
|
^- ?
|
|
?| =("m" (scag 1 at))
|
|
=("1" (scag 1 at))
|
|
=("3" (scag 1 at))
|
|
=("2" (scag 1 at))
|
|
==
|
|
::
|
|
++ is-bech32
|
|
|= at=tape
|
|
^- ?
|
|
?| =("bc1" (scag 3 at))
|
|
=("tb1" (scag 3 at))
|
|
==
|
|
--
|
|
::
|
|
++ to-script-pubkey
|
|
~/ %to-script-pubkey
|
|
|= =address
|
|
^- hexb
|
|
?- -.address
|
|
%bech32
|
|
=+ h=(from-address:bech32 +.address)
|
|
%- cat:byt:bcu
|
|
:~ 1^0x0
|
|
1^wid.h
|
|
h
|
|
==
|
|
::
|
|
%base58
|
|
=/ h=hexb [21 `@ux`+.address]
|
|
=+ lead-byt=dat:(take:byt:bcu 1 h)
|
|
=/ version-network=[bipt network]
|
|
?: =(0x0 lead-byt) [%44 %main]
|
|
?: =(0x6f lead-byt) [%44 %testnet]
|
|
?: =(0x5 lead-byt) [%49 %main]
|
|
?: =(0xc4 lead-byt) [%49 %testnet]
|
|
~|("Invalid base58 address: {<+.address>}" !!)
|
|
%- cat:byt:bcu
|
|
?: ?=(%44 -.version-network)
|
|
:~ 3^0x76.a914
|
|
(drop:byt:bcu 1 h)
|
|
2^0x88ac
|
|
==
|
|
:~ 2^0xa914
|
|
(drop:byt:bcu 1 h)
|
|
1^0x87
|
|
==
|
|
==
|
|
--
|
|
::
|
|
:: +txu: transaction utility core
|
|
:: - primarily used for calculating txids
|
|
:: - ignores signatures in inputs
|
|
::
|
|
++ txu
|
|
~% %bitcoin-lib-txu ..overhead-weight ~
|
|
=, bcu
|
|
|%
|
|
++ en
|
|
|%
|
|
++ input
|
|
|= i=input:tx
|
|
^- hexb
|
|
%- cat:byt
|
|
:~ (flip:byt txid.i)
|
|
(flip:byt 4^pos.i)
|
|
?~ script-sig.i 1^0x0
|
|
%- cat:byt
|
|
~[(en:csiz wid.u.script-sig.i) u.script-sig.i]
|
|
(flip:byt sequence.i)
|
|
==
|
|
::
|
|
++ output
|
|
|= o=output:tx
|
|
^- hexb
|
|
%- cat:byt
|
|
:~ (flip:byt 8^value.o)
|
|
1^wid.script-pubkey.o
|
|
script-pubkey.o
|
|
==
|
|
--
|
|
::
|
|
++ de
|
|
|%
|
|
++ nversion
|
|
|= b=hexb
|
|
^- [nversion=@ud rest=hexb]
|
|
:- dat:(flip:byt (take:byt 4 b))
|
|
(drop:byt 4 b)
|
|
::
|
|
++ segwit
|
|
|= b=hexb
|
|
^- [segwit=(unit @ud) rest=hexb]
|
|
?. =(1^0x0 (take:byt 1 b))
|
|
[~ b]
|
|
:- [~ dat:(take:byt 2 b)]
|
|
(drop:byt 2 b)
|
|
::
|
|
++ script-sig
|
|
|= b=hexb
|
|
^- [sig=hexb rest=hexb]
|
|
=^ siglen=hexb b (de:csiz b)
|
|
:- (take:byt dat.siglen b)
|
|
(drop:byt dat.siglen b)
|
|
::
|
|
++ sequence
|
|
|= b=hexb
|
|
^- [seq=hexb rest=hexb]
|
|
[(flip:byt (take:byt 4 b)) (drop:byt 4 b)]
|
|
::
|
|
++ inputs
|
|
|= b=hexb
|
|
^- [is=(list input:tx) rest=hexb]
|
|
|^
|
|
=| acc=(list input:tx)
|
|
=^ count b (dea:csiz b)
|
|
|-
|
|
?: =(0 count) [acc b]
|
|
=^ i b (input b)
|
|
$(acc (snoc acc i), count (dec count))
|
|
::
|
|
++ input
|
|
|= b=hexb
|
|
^- [i=input:tx rest=hexb]
|
|
=/ txid (flip:byt (take:byt 32 b))
|
|
=/ pos dat:(flip:byt (take:byt 4 (drop:byt 32 b)))
|
|
=^ sig=hexb b (script-sig (drop:byt 36 b))
|
|
=^ seq=hexb b (sequence b)
|
|
:_ b
|
|
[txid pos seq ?:((gth wid.sig 0) `sig ~) ~ 0]
|
|
--
|
|
::
|
|
++ outputs
|
|
|= b=hexb
|
|
^- [os=(list output:tx) rest=hexb]
|
|
=| acc=(list output:tx)
|
|
=^ count b (dea:csiz b)
|
|
|-
|
|
?: =(0 count) [acc b]
|
|
=/ value (flip:byt (take:byt 8 b))
|
|
=^ scriptlen b (dea:csiz (drop:byt 8 b))
|
|
%= $
|
|
acc %+ snoc acc
|
|
:- (take:byt scriptlen b)
|
|
dat.value
|
|
b (drop:byt scriptlen b)
|
|
count (dec count)
|
|
==
|
|
--
|
|
:: +basic-encode: encodes data in a format suitable for hashing
|
|
::
|
|
++ basic-encode
|
|
|= =data:tx
|
|
^- hexb
|
|
%- cat:byt
|
|
%- zing
|
|
:~ ~[(flip:byt 4^nversion.data)]
|
|
~[(en:csiz (lent is.data))]
|
|
(turn is.data input:en)
|
|
~[(en:csiz (lent os.data))]
|
|
(turn os.data output:en)
|
|
~[(flip:byt 4^locktime.data)]
|
|
==
|
|
++ get-id
|
|
|= =data:tx
|
|
^- hexb
|
|
%- flip:byt
|
|
%- dsha256
|
|
(basic-encode data)
|
|
::
|
|
++ decode
|
|
|= b=hexb
|
|
^- data:tx
|
|
=^ nversion b
|
|
(nversion:de b)
|
|
=^ segwit b
|
|
(segwit:de b)
|
|
=^ inputs b
|
|
(inputs:de b)
|
|
=^ outputs b
|
|
(outputs:de b)
|
|
=/ locktime=@ud
|
|
dat:(take:byt 4 (flip:byt b))
|
|
[inputs outputs locktime nversion segwit]
|
|
--
|
|
--
|