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112 lines
3.5 KiB
Plaintext
112 lines
3.5 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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/- *btc, bp=btc-provider
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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: HD path along with UTXOs
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:: - used: whether the address has been used
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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 [used=? =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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$: =xpub
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=wilt
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=bipt
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=wach
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=nixt
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scanned=?
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scan-to=scon
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max-gap=@ud
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confs=@ud
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==
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:: feyb: fee per byte in sats
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:: key: HD wallet path
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:: txi/txo: input/output for a transaction being built
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:: txbu: tx builder -- all information needed to make a transaction for signing
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:: peta: optional payment metadata
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::
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+$ peta (unit [payer=ship value=sats])
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+$ feyb sats
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+$ key [=bipt =chyg =idx]
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+$ txi [=utxo ur=(unit rawtx) =key]
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+$ txo [=address value=sats]
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+$ txbu
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$: =req-id:bp
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=xpub
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payee=(unit ship)
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=vbytes
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txis=(list txi)
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txos=(list txo)
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==
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:: hest: an entry in the history log
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:: raw: pending history elements
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:: - hearsay: %.y if a peer told us about this element and we haven't observed it yet
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:: yum: confirmed history elements
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::
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+$ hest
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$: =txid
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recvd=@da
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inputs=(list [=utxo s=(unit ship)])
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outputs=(list [=output s=(unit ship)])
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==
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+$ raw (list [hearsay=? block=@ud =hest])
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+$ yum ((mop @ud hest) gth)
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+$ history [w=walt =raw =yum]
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:: state/watch variables:
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:: scanning addresses and monitoring generated addresses
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:: batch: indexes to scan for a given chyg
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:: scans: all scans underway (batches)
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:: piym-watch: any address we've been told has an incoming payment promised
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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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:: %address-info: give new data about an address.
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:: - used: address has been seen on the BTC blockchain?
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:: - block: the most recent block at the time of this information being retrieved
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:: TODO: document
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::
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+$ action
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$% [%add-wallet =xpub scan-to=(unit scon) max-gap=(unit @ud) confs=(unit @ud)]
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[%address-info =xpub =chyg =idx utxos=(set utxo) used=? block=@ud]
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[%generate-address =xpub =chyg =peta]
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[%generate-txbu =xpub payee=(unit ship) feyb=sats txos=(list txo)]
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[%add-history-entry =hest]
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==
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::
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+$ update
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$% [%generate-address =xpub =address =peta]
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[%generate-txbu =xpub =txbu]
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[%saw-piym s=ship =txid]
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[%scan-done =xpub]
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==
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:: last-block: most recent block this address was checked
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::
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+$ request
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$% [%address-info last-block=@ud a=address =xpub =chyg =idx]
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==
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--
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