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72 lines
2.4 KiB
Plaintext
72 lines
2.4 KiB
Plaintext
:: wallets are compatible with BIPs 44, 49, and 84
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:: m / purpose' / coin_type' / account' / change / address_index
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:: change can be 0 or 1
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::
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:: TODO: explain state tracking (used maps, next unused idx)
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::
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/- *btc
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/+ bip32
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|%
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++ max-index (dec (pow 2 32))
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:: chyg: whether account is (non-)change. 0 or 1
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:: idx: an address_index
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:: nixt: next indices to generate addresses from (non-change/change)
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:: addi: address with metadata inside a change path
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:: wach: map for watched addresses.
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:: Membership implies the address is known by outside parties or had prior activity
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:: scon: indices to initially scan to in (non-)change accounts
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:: defaults to 2^32-1 (i.e. all the addresses, ~4B)
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:: wilt: stores xpub; copulates with thousands of indices to form addresses
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::
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+$ chyg $?(%0 %1)
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+$ idx @
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+$ nixt (pair idx idx)
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+$ addi [=chyg =idx utxos=(set utxo)]
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+$ wach (map address addi)
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+$ scon $~([max-index max-index] (pair idx idx))
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+$ wilt _bip32
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:: walt: wallet datastructure
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:: scanned: whether the wallet's addresses have been checked for prior activity
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:: scan-to
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:: max-gap: maximum number of consec blank addresses before wallet stops scanning
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:: confs: confirmations required (after this is hit for an address, wallet stops refreshing it)
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::
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+$ walt
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$: =wilt
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=bipt
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=wach
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=nixt
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scanned=?
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scan-to=scon
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max-gap=@ud
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confs=@ud
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==
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:: todo: Set of indices; empty it out until none are left--means scanning of that batch is done
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:: start: index this batch started scanning from
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::
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+$ batch [todo=(set idx) endpoint=idx has-used=?]
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+$ scans (map [xpub chyg] batch)
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::
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:: %add-wallet: add wallet to state and initiate a scan
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:: %scan: start a scan of the next address batch in a wallet
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:: if the scan is complete, update the wallet and remove from scans
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:: %watch-address: watch an address if used, remove from scans batch if not
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:: %update-address: update info of an address if we're watching it
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::
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+$ action
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$% [%add-wallet =xpub scan-to=(unit scon) max-gap=(unit @ud) confs=(unit @ud)]
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[%watch-address =xpub =chyg =idx utxos=(set utxo) used=?]
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[%update-address a=address utxos=(set utxo)]
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[%generate-address =xpub =chyg]
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==
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::
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+$ update
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$% [%generate-address =address]
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[%scan-done =xpub]
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==
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::
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+$ request
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$% [%scan-address a=address =xpub =chyg =idx]
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==
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--
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