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2.4 KiB
2.4 KiB
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 ~ ~)
(get-address:walt1 %0 0)
update address data
=walt1 (from-xpub:walt:bl xpub1 ~ ~)
(~(mk-address walt1 %0) 0)
:: gives bc1q0adfj7ur750hjwufzzlfj5ytqzsnd7fz9fjuzc
=walt1 (~(insert-address walt1 %0) [%bech32 'bc1q0adfj7ur750hjwufzzlfj5ytqzsnd7fz9fjuzc'] [%0 0 ~])
nixt.st.walt1
:: gives [p=1 q=0] (nixt updated since it was 0)
=walt1 (~(insert-address walt1 %0) [%bech32 'bc1qa5jcdww8u8493zttjjf6q5wu89e6knpvmsh7x4'] [%0 2 ~])
nixt.st.walt1
:: gives [p=1 q=0] (no update)
=walt1 (~(insert-address walt1 %0) [%bech32 'bc1qvqrdh8suyv63ntaa0d7hmcamavv8283sngh6e5'] [%0 1 ~])
nixt.st.walt1
:: gives [p=3 q=0] (skips index 2, since already a used address there)
=walt1 (insert-address:walt1 [%bech32 'bc1qvqrdh8suyv63ntaa0d7hmcamavv8283sngh6e5'] [%0 4 ~])
:: gives error, because address is inserted at the wrong index
generate new address (for receiving payment)
=walt1 (from-xpub:walt:bl xpub1 ~ ~)
=res ~(gen-address walt1 %0)
p.res
nixt.st.q.res
:: gives
:: [%bech32 'bc1q0adfj7ur750hjwufzzlfj5ytqzsnd7fz9fjuzc']
:: [p=1 q=0]
Algos
Scan addresses
-
types
- req-id=@ux: hash160 of (cat xpub chyg)
-
maps:
- scans ([xpub chyg] -> waltscan)
- pend/fail: (req-id -> [=idx key=[xpub chyg]])
- timeouts: (req-id -> @da) -- store Behns for each req
-
send address-watch req
- send address to provider with req-id
- set a Behn for 30s, put in timeouts
-
on response from server
- check whether idx in
scanning
--ignore if not (old response) - insert the address into the wallet if it's used
- if used, update
has-used
for this xpub to be true - delete idx from
scanning
jug - check whether scanning is now empty. If it is, check whether has-used is true
- check whether idx in
-
on error
-
on timeout
:: ++ 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]) ::