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73 lines
1.9 KiB
Plaintext
73 lines
1.9 KiB
Plaintext
/- *btc-wallet-store
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/+ bip32, btc
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=, secp:crypto
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=+ ecc=secp256k1
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|%
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++ default-max-gap 20
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:: xpub
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:: wilt
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:: bipt: BIP44/49/84
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:: wach
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:: next: next index to generate address for in non-change/change accounts respectively
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:: scanned: whether the wallet's addresses have been checked for prior activity
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:: if unscanned, 'next' values won't be valid
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:: scan-to
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:: max-gap
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::
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++ is-next
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|= [adi=addi next=idxs] ^- ?
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?| =(idx.addi p.next)
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=(idx.addi q.next)
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==
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::
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++ walt
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|_ [=wilt =bipt =wach next=idxs scanned=? scan-to=scon max-gap=@u]
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+* this .
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::
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++ from-xpub
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|= [=xpub:btc scan-to=(unit scon) max-gap=(unit @u)]
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^- _this
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%= this
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wilt (from-extended:bip32 (trip xpub))
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bipt (xpub-type:btc xpub)
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wach *^wach
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next [[%0 0] [%1 0]]
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scanned %.n
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scan-to (fall scan-to *scon)
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max-gap (fall max-gap default-max-gap)
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==
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++ get-address
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|= [=chyg idx=@]
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^- address:btc
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=/ pubkey=@ux
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%- compress-point:ecc
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pub:(derive-public:(derive-public:wilt (@u chyg)) idx)
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?: ?=(%bip84 bipt)
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(need (encode-pubkey:bech32:btc %main pubkey))
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~|("legacy addresses not supported yet" !!)
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::
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:: should take index as a parameter so that we can write that to addi and update used
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++ insert-address %dummy
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++ update-address
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|= [a=address:btc used=? utxos=(set utxo:btc)]
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^- _this
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=/ adi=(unit addi)
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(~(get by wach) a)
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?~ adi this
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=. wach
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(~(put by wach) a u.adi(used used, utxos utxos))
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?. ?&(used (is-next u.adi next)) this
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:: if used AND this is next index, we need to do update next
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this
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::
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++ next-unused-idx
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|= c=chyg
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^- idx
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=/ indices=(list idx)
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%+ turn ~(val by wach)
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|=(a=addi idx.a)
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*idx
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:: check next for this one--problem is that we can't index in
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--
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--
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