2020-10-30 14:45:38 +03:00
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# btc-wallet-* Scratch Code
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## xpub
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2020-11-03 14:50:10 +03:00
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Mnemonic
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```
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absurd sick rose mask magnet know slide spell rent casual someone grant giant inhale toward
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```
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2020-10-30 14:45:38 +03:00
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```
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2020-10-31 12:41:00 +03:00
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=xpub1 'zpub6r8dKyWJ31XF6n69KKeEwLjVC5ruqAbiJ4QCqLsrV36Mvx9WEjUaiPNPGFLHNCCqgCdy6iZC8ZgHsm6a1AUTVBMVbKGemNcWFcwBGSjJKbD'
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=xpub2 'xpub6D7yaZieZEeG617UcKXDhbsDeso6bmxSAiGWkvkASoiwcjaRtrH5HeNRnDT25s7zmxYzj6MtFe32dVqcf9YcBKKgn9THHjwn2uSjkvobK4e'
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2020-10-30 14:45:38 +03:00
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=bl -build-file %/lib/btc-wallet-store/hoon
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```
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### get address at indices
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```
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2020-11-11 15:30:22 +03:00
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=walt1 (from-xpub:bl xpub1 ~ ~)
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(~(mk-address wad:bl walt1 %0) 0)
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:: gives [%bech32 'bc1q0adfj7ur750hjwufzzlfj5ytqzsnd7fz9fjuzc']
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2020-10-30 14:45:38 +03:00
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```
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2020-10-31 12:41:00 +03:00
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### update address data
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```
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2020-11-11 15:30:22 +03:00
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=walt1 (from-xpub:bl xpub1 ~ ~)
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(~(mk-address wad:bl walt1 %0) 0)
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2020-10-31 14:25:32 +03:00
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:: gives bc1q0adfj7ur750hjwufzzlfj5ytqzsnd7fz9fjuzc
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2020-11-11 15:30:22 +03:00
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=walt1 (~(watch-address wad:bl walt1 %0) [%bech32 'bc1q0adfj7ur750hjwufzzlfj5ytqzsnd7fz9fjuzc'] [%0 0 ~])
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nixt.walt1
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2020-10-31 14:25:32 +03:00
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:: gives [p=1 q=0] (nixt updated since it was 0)
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2020-11-11 15:30:22 +03:00
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=walt1 (~(watch-address wad:bl walt1 %0) [%bech32 'bc1qa5jcdww8u8493zttjjf6q5wu89e6knpvmsh7x4'] [%0 2 ~])
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nixt.walt1=walt1 (~(watch-address wad:bl walt1 %0) [%bech32 'bc1qa5jcdww8u8493zttjjf6q5wu89e6knpvmsh7x4'] [%0 2 ~])
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nixt.walt1
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2020-10-31 14:25:32 +03:00
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:: gives [p=1 q=0] (no update)
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2020-11-11 15:30:22 +03:00
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=walt1 (~(watch-address wad:bl walt1 %0) [%bech32 'bc1qvqrdh8suyv63ntaa0d7hmcamavv8283sngh6e5'] [%0 1 ~])
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nixt.walt1
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2020-10-31 14:25:32 +03:00
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:: gives [p=3 q=0] (skips index 2, since already a used address there)
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2020-11-02 10:21:48 +03:00
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2020-11-11 15:30:22 +03:00
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=walt1 (~(watch-address wad:bl walt1 %0) [%bech32 'bc1qvqrdh8suyv63ntaa0d7hmcamavv8283sngh6e5'] [%0 4 ~])
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:: gives error, because address is inserted at index that doesn't match it
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2020-11-02 10:21:48 +03:00
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```
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### generate new address (for receiving payment)
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```
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2020-11-11 16:54:47 +03:00
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=walt1 (from-xpub:bl xpub1 ~ ~)
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=res ~(gen-address wad:bl walt1 %0)
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2020-11-02 10:21:48 +03:00
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p.res
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2020-11-11 16:54:47 +03:00
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nixt.q.res
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2020-11-02 10:21:48 +03:00
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:: gives
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:: [%bech32 'bc1q0adfj7ur750hjwufzzlfj5ytqzsnd7fz9fjuzc']
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:: [p=1 q=0]
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2020-10-31 12:41:00 +03:00
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```
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2020-11-02 20:51:19 +03:00
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## Scanning
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2020-11-03 14:50:10 +03:00
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Mnemonic
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```
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abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about
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```
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2020-11-02 20:51:19 +03:00
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### manual scanning of empty wallet
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2020-11-11 16:54:47 +03:00
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Uses `btc-wallet-hook`, with max-gap=3
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2020-11-02 20:51:19 +03:00
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```
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2020-11-13 15:47:11 +03:00
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:btc-provider|command [%set-credentials api-url='http://localhost:50002']
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2020-11-04 18:24:00 +03:00
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:btc-wallet-hook|action [%set-provider ~dopzod]
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2020-11-02 20:51:19 +03:00
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=scan-xpub 'zpub6rFR7y4Q2AijBEqTUquhVz398htDFrtymD9xYYfG1m4wAcvPhXNfE3EfH1r1ADqtfSdVCToUG868RvUUkgDKf31mGDtKsAYz2oz2AGutZYs'
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2020-11-13 15:47:11 +03:00
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:btc-wallet-store|action [%add-wallet scan-xpub ~ [~ 3] [~ 6]]
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2020-11-02 20:51:19 +03:00
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:btc-wallet-store +dbug
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:: shows scans with the xpub and {0 1 2} todos
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2020-11-03 14:50:10 +03:00
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:: %0 account has no used
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2020-11-11 12:41:13 +03:00
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=btc -build-file %/lib/btc/hoon
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2020-11-03 14:50:10 +03:00
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:btc-wallet-store|action [%watch-address scan-xpub %0 1 *(set utxo:btc) used=%.n]
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:btc-wallet-store|action [%watch-address scan-xpub %0 2 *(set utxo:btc) used=%.n]
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:btc-wallet-store|action [%watch-address scan-xpub %0 0 *(set utxo:btc) used=%.n]
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:: dbug should give empty for scans: [xpub %0]
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:btc-wallet-store|action [%watch-address scan-xpub %1 2 *(set utxo:btc) used=%.n]
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:btc-wallet-store|action [%watch-address scan-xpub %1 0 *(set utxo:btc) used=%.n]
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:btc-wallet-store|action [%watch-address scan-xpub %1 1 *(set utxo:btc) used=%.y]
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:: dbug should show re-filled scans: [xpub %1]
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2020-11-02 20:51:19 +03:00
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```
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2020-11-11 12:41:13 +03:00
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## scrys
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```
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.^((list @t) %gx /=btc-wallet-store=/scanned/noun)
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```
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2020-11-02 10:53:04 +03:00
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2020-11-11 12:41:13 +03:00
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## Algos
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2020-11-02 10:53:04 +03:00
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2020-11-02 13:37:55 +03:00
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### Monitor addresses
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- nixt also stores next 50 addresses for each account.
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- every update-address call also checks those
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2020-10-30 14:45:38 +03:00
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2020-11-02 14:59:48 +03:00
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### make a payment
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* make payment
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- get address
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- on-agent gets return value, construct tx
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- store tx (view or other command can get it)
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2020-10-30 14:45:38 +03:00
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::
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++ send-address-update
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|= [xpub=tape =walt a=address:btc us=(set utxo)]
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^- (quip card _state)
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:_ state(walts (~(put by walts.state) xpub walt))
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~[[%give %fact ~[/wallets] %btc-wallet-store-update !>([%address a us])]]
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::
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