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84cca6d26f
urbit/WALLET.scratch.md
timlucmiptev 84cca6d26f address derivation for BIP84 works
2021-05-26 18:30:12 -07:00

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btc-wallet-* Scratch Code

xpub

=xpub1 "zpub6r8dKyWJ31XF6n69KKeEwLjVC5ruqAbiJ4QCqLsrV36Mvx9WEjUaiPNPGFLHNCCqgCdy6iZC8ZgHsm6a1AUTVBMVbKGemNcWFcwBGSjJKbD"
=xpub2 "xpub6D7yaZieZEeG617UcKXDhbsDeso6bmxSAiGWkvkASoiwcjaRtrH5HeNRnDT25s7zmxYzj6MtFe32dVqcf9YcBKKgn9THHjwn2uSjkvobK4e"
=bl -build-file %/lib/btc-wallet-store/hoon

add

:btc-wallet-store|action [%add-wallet xpub ~ ~]

get address at indices

=walt1 (from-xpub:walt:bl xpub1 ~ ~)
=walt2 (from-xpub:walt:bl xpub2 ~ ~)
(get-address:walt1 %0 0)
(get-address:walt2 %0 0)

scratch code, refactor

++ update-address |= [a=address:btc us=(set utxo)] ^- (quip card _state) =/ xpubs=(list tape) %~ tap in ~(key by walts.state) |- ?~ xpubs state =/ w=walt (~(got by walts.state) i.xpubs) ?: (~(has by wach.w) a) %: send-address-update i.xpubs (update-wallet w a us) a us == $(xpubs t.xpubs) :: ++ update-wallet |= [w=walt a=address:btc us=(set utxo)] ^- walt =/ curr-addi=addi (~(got by wach.w) a) w(wach (~(put by wach.w) a curr-addi(used %.y, utxos us))) :: ++ send-address-update |= [xpub=tape =walt a=address:btc us=(set utxo)] ^- (quip card _state) :_ state(walts (~(put by walts.state) xpub walt)) ~[[%give %fact ~[/wallets] %btc-wallet-store-update !>([%address a us])]] :: ++ add-wallet |= [xpub=tape scan-to=(unit scon) max-gap=(unit @)] ^- (quip card _state) ?: (~(has by walts.state) xpub) ~& >>> "xpub already imported" state =/ wallet=walt :* (from-extended:bip32 xpub) (xpub-type:btc xpub) *wach [0 0] %.n (fall scan-to *scon) (fall max-gap max-gap.state) == `state(walts (~(put by walts.state) xpub wallet))