mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-24 07:26:51 +03:00
694 lines
18 KiB
Plaintext
694 lines
18 KiB
Plaintext
:: aggregator: Azimuth L2 roll aggregator
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::
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:: general flow is as described below, to ensure transactions actually go
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:: through once we start sending it out, in the dumbest reasonable way.
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::
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:: periodic timer fires:
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:: if there are no pending l2 txs, do nothing.
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:: else kick off tx submission flow:
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:: "freeze" pending txs, store alongside nonce, then increment nonce,
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:: kick off thread for sending the corresponding l1 tx:
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:: if nonce doesn't match on-chain expected nonce, bail.
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:: if we can't afford the tx fee, bail.
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:: construct, sign, submit the l1 tx.
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:: if thread bailed, retry in five minutes.
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:: if thread succeeded, retry in five minutes with higher gas price.
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:: when retrying, only do so if l2 txs remain in the "frozen" txs group.
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:: on %tx diff from naive, remove the matching tx from the frozen group.
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::
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::TODO remaining general work:
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:: - hook up timer callbacks
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::
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::TODO questions:
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:: - it's a bit weird how we just assume the raw and tx in raw-tx to match...
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::
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/- *aggregator
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/+ azimuth, naive, default-agent, ethereum, dbug, verb, lib=naive-transactions
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::
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|%
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+$ state-0
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$: %0
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:: pending: the next l2 txs to be sent
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:: sending: the l2 txs currently sending/awaiting l2 confirmation
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:: finding: raw-tx-hash reverse lookup for sending map
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:: next-nonce: next l1 nonce to use
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:: next-batch: when then next l2 batch will be sent
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:: pre: predicted l2 state
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:: flush: flag for deriving predicted state
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::
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pending=(list pend-tx)
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::
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$= sending
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%+ map l1-tx-pointer
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[next-gas-price=@ud txs=(list raw-tx:naive)]
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::
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finding=(map keccak $?(%confirmed %failed l1-tx-pointer))
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next-nonce=(unit @ud)
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next-batch=time
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pre=^state:naive
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flush=?
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::
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:: pk: private key to send the roll
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:: frequency: time to wait between sending batches (TODO fancier)
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:: endpoint: ethereum rpc endpoint to use
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:: contract: ethereum contract address
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:: chain-id: mainnet, ropsten, local (https://chainid.network/)
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::
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pk=@
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frequency=@dr
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endpoint=(unit @t)
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contract=@ux
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chain-id=@
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==
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::
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+$ config
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$% [%frequency frequency=@dr]
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[%setkey pk=@]
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[%endpoint endpoint=@t]
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[%network net=?(%mainnet %ropsten %local)]
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==
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::
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+$ action
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$% [%submit force=? sig=@ tx=part-tx]
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[%cancel sig=@ keccak=@]
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[%commit ~] ::TODO maybe pk=(unit @) later
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[%config config]
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==
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::
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+$ card card:agent:gall
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::
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++ resend-time ~m5
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::
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++ lverb &
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::
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++ orm ((ordered-map ship point:naive) aor)
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--
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::
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=| state-0
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=* state -
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::
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%- agent:dbug
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%+ verb |
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^- agent:gall
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::
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=<
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|_ =bowl:gall
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+* this .
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do ~(. +> bowl)
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def ~(. (default-agent this %|) bowl)
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::
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++ on-init
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^- (quip card _this)
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=. frequency ~h1
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=. contract naive:local-contracts:azimuth
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=. chain-id chain-id:local-contracts:azimuth
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=^ card next-batch set-timer
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:_ this
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:~ card
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[%pass /azimuth-txs %agent [our.bowl %azimuth] %watch /txs]
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==
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::
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++ on-save !>(state)
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++ on-load
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|= old=vase
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^- (quip card _this)
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[~ this(state !<(state-0 old))]
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::
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++ on-poke
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|= [=mark =vase]
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^- (quip card _this)
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=^ cards state
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?+ mark (on-poke:def mark vase)
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%aggregator-action
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=+ !<(poke=action vase)
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(on-action:do poke)
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==
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[cards this]
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:: +on-peek: scry paths
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::TODO reevaluate wrt recent flow changes
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::
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:: /x/pending -> %noun (list pend-tx)
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:: /x/pending/[~ship] -> %noun (list pend-tx)
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:: /x/pending/[0xadd.ress] -> %noun (list pend-tx)
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:: /x/tx/[0xke.ccak]/status -> %noun tx-status
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:: /x/nonce/[~ship]/[0xadd.ress] -> %atom @
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:: /x/spawned/[~ship] -> %noun (list [ship address)
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:: /x/next-batch -> %atom time
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::
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++ on-peek
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|= =path
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^- (unit (unit cage))
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|^
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?+ path ~
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[%x %pending ~] ``noun+!>(pending)
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[%x %pending @ ~] (pending-by i.t.t.path)
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[%x %tx @ %status ~] (status i.t.t.path)
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[%x %nonce @ @ ~] (nonce i.t.t.path i.t.t.t.path)
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[%x %spawned @ ~] (spawned i.t.t.path)
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[%x %next-batch ~] ``noun+!>(next-batch)
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==
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::
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++ pending-by
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|= wat=@t
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?~ who=(slaw %p wat)
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:: by-address
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::
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?~ wer=(slaw %ux wat)
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[~ ~]
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=; pending=(list pend-tx)
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``noun+!>(pending)
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%+ skim pending
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|= pend-tx
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::TODO deduce address from sig.raw-tx ?
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!!
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:: by-ship
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::
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=; pending=(list pend-tx)
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``noun+!>(pending)
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%+ skim pending
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|= pend-tx
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=(u.who ship.from.tx.raw-tx)
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::
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++ status
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|= wat=@t
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?~ keccak=(slaw %ux wat)
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[~ ~]
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:+ ~ ~
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:- %noun
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!> ^- tx-status
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?^ status=(~(get by finding) u.keccak)
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?@ u.status [u.status ~]
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[%sending status]
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::TODO potentially slow!
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=; known=?
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[?:(known %pending %unknown) ~]
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%+ lien pending
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|= [* raw-tx:naive]
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=(u.keccak (hash-tx raw))
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::
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++ nonce
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|= [who=@t proxy=@t]
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?~ who=(slaw %p who)
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[~ ~]
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?. ?=(proxy:naive proxy)
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[~ ~]
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:: uses cached naive state
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::
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::TODO or should we ~ when !(~(has by points.pre) who) ?
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=/ =point:naive (~(gut by points.pre) u.who *point:naive)
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=+ (proxy-from-point:naive proxy point)
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``atom+!>(nonce)
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::
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++ spawned
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|= wat=@t
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:+ ~ ~
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:- %noun
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!> ^- (list [=^ship =address:ethereum])
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?~ star=(slaw %p wat) ~
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=/ range
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%+ lot:orm:naive points.pre
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:: range exclusive [star first-planet-next-star]
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:: TODO: make range inclusive? [first-planet last-planet]
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::
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[`u.star `(cat 3 +(u.star) 0x1)]
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%+ turn (tap:orm:naive range)
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|= [=ship =point:naive]
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^- [=^ship =address:ethereum]
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:- ship
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address:(proxy-from-point:naive %own point)
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--
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::
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++ on-arvo
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|= [=wire =sign-arvo]
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^- (quip card _this)
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?+ wire (on-arvo:def wire sign-arvo)
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[%timer ~]
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?+ +<.sign-arvo (on-arvo:def wire sign-arvo)
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%wake =^(cards state on-timer:do [cards this])
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==
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::
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[%predict ~]
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?+ +<.sign-arvo (on-arvo:def wire sign-arvo)
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%wake
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=^ pending pre (predicted-state:do canonical-state:do)
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[~ this(pending pending, flush &)]
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==
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::
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[%resend @ @ ~]
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=/ [address=@ux nonce=@ud]
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[(slav %ux i.t.wire) (rash i.t.t.wire dem)]
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?+ +<.sign-arvo (on-arvo:def wire sign-arvo)
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%wake [(send-roll:do address nonce) this]
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==
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==
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::
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++ on-fail
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|= [=term =tang]
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::TODO if crashed during timer, set new timer? how to detect?
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(on-fail:def term tang)
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::
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++ on-watch on-watch:def
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++ on-leave on-leave:def
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++ on-agent
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|= [=wire =sign:agent:gall]
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^- (quip card _this)
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|^
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?+ wire (on-agent:def wire sign)
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[%send @ @ *] (send-batch i.t.wire i.t.t.wire sign)
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[%azimuth-txs ~] (azimuth-update sign)
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[%nonce ~] (nonce sign)
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==
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::
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++ send-batch
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|= [address=@t nonce=@t =sign:agent:gall]
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^- (quip card _this)
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=/ [address=@ux nonce=@ud]
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[(slav %ux address) (rash nonce dem)]
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?- -.sign
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%poke-ack
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?~ p.sign
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%- (slog leaf+"Send batch thread started successfully" ~)
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[~ this]
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%- (slog leaf+"{(trip dap.bowl)} couldn't start thread" u.p.sign)
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:_ this
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[(leave:spider:do wire)]~
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::
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%watch-ack
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?~ p.sign
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[~ this]
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=/ =tank leaf+"{(trip dap.bowl)} couldn't start listen to thread"
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%- (slog tank u.p.sign)
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[~ this]
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::
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%kick
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[~ this]
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::
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%fact
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?+ p.cage.sign (on-agent:def wire sign)
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%thread-fail
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=+ !<([=term =tang] q.cage.sign)
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%- (slog leaf+"{(trip dap.bowl)} failed" leaf+<term> tang)
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=^ cards state
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(on-batch-result:do address nonce %.n^'thread failed')
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[cards this]
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::
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%thread-done
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=+ !<(result=(each @ud @t) q.cage.sign)
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=^ cards state
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(on-batch-result:do address nonce result)
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[cards this]
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==
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==
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::
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++ azimuth-update
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|= =sign:agent:gall
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^- (quip card _this)
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?+ -.sign [~ this]
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%watch-ack
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?~ p.sign [~ this]
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=/ =tank leaf+"{(trip dap.bowl)} couldn't start listen to %azimuth"
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%- (slog tank u.p.sign)
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[~ this]
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::
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%fact
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?+ p.cage.sign (on-agent:def wire sign)
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%naive-diffs
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=+ !<(=diff:naive q.cage.sign)
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=^ cards state
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(on-naive-diff:do diff)
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[cards this]
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::
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%naive-state
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:: cache naive state, received upon innitializing subscription
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::
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~& > %get-naive-state
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:: this assumes that %azimuth has already processed eth data
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::
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=^ pending pre
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(predicted-state:do !<(^state:naive q.cage.sign))
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[~ this(pending pending)]
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==
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==
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::
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++ nonce
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|= =sign:agent:gall
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^- (quip card _this)
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?- -.sign
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%poke-ack
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?~ p.sign
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%- (slog leaf+"Nonce thread started successfully" ~)
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[~ this]
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%- (slog leaf+"{(trip dap.bowl)} couldn't start thread" u.p.sign)
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:_ this
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[(leave:spider:do wire)]~
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::
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%watch-ack
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?~ p.sign
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[~ this]
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=/ =tank leaf+"{(trip dap.bowl)} couldn't start listen to thread"
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%- (slog tank u.p.sign)
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[~ this]
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::
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%kick
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[~ this]
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::
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%fact
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?+ p.cage.sign (on-agent:def wire sign)
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%thread-fail
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=+ !<([=term =tang] q.cage.sign)
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%- (slog leaf+"{(trip dap.bowl)} failed" leaf+<term> tang)
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[~ this]
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::
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%thread-done
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=+ !<(nonce=@ud q.cage.sign)
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[~ this(next-nonce `nonce)]
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==
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==
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--
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--
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::
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|_ =bowl:gall
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::TODO /lib/sys.hoon?
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++ sys
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|%
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++ b
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|%
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++ wait
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|= [=wire =time]
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^- card
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[%pass wire %arvo %b %wait time]
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--
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--
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::TODO /lib/spider.hoon?
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++ spider
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|%
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++ start-thread
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|= [=wire thread=term arg=vase]
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^- (list card)
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=/ tid=@ta (rap 3 thread '--' (scot %uv eny.bowl) ~)
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=/ args [~ `tid thread arg]
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:~ [%pass wire %agent [our.bowl %spider] %watch /thread-result/[tid]]
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[%pass wire %agent [our.bowl %spider] %poke %spider-start !>(args)]
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==
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::
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++ leave
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|= =path
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^- card
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[%pass path %agent [our.bowl %spider] %leave ~]
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--
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::
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++ hash-tx keccak-256:keccak:crypto
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::
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++ hash-raw-tx
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|= =raw-tx:naive
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^- @ux
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(hash-tx raw.raw-tx)
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::
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++ part-tx-to-full
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|= =part-tx
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^- [octs tx:naive]
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?- -.part-tx
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%raw
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?~ batch=(parse-raw-tx:naive q.raw.part-tx)
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~& %parse-failed
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:: TODO: maybe return a unit if parsing fails?
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::
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!!
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[raw tx]:-.u.batch
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::
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%don [(gen-tx-octs:lib +.part-tx) +.part-tx]
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%ful +.part-tx
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==
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:: +canonical-state: load current state instead of cached state
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::
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++ canonical-state
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.^ ^state:naive
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%gx
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(scot %p our.bowl)
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%azimuth
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(scot %da now.bowl)
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/nas/nas
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==
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:: +predicted-state
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::
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:: derives predicted state from pending/sending txs and
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:: canonical state, discarding invalid txs in the process.
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::
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++ predicted-state
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|= nas=^state:naive
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^- [_pending _nas]
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:: apply our pending transactions
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::
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|^
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=^ new-sending nas apply-sending
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=. sending new-sending
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(update-txs pending)
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::
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++ apply-sending
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=| valid=_sending
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=+ sending=~(tap by sending)
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|- ^+ [valid nas]
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?~ sending [valid nas]
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::
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=* key p.i.sending
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=* val q.i.sending
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=^ new-valid nas
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:: prepends force=%.n to all txs
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::
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(update-txs (turn txs.val (lead |)))
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=. valid
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%+ ~(put by valid) key
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val(txs (turn new-valid tail))
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$(sending t.sending)
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::
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++ update-txs
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|= txs=(list [force=? =raw-tx:naive])
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=/ valid=_txs ~
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|- ^+ [valid nas]
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?~ txs [valid nas]
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=* tx i.txs
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=^ gud=? nas (try-apply nas tx)
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=? valid gud (snoc valid tx)
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=? finding =(gud %.n)
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%- ~(put by finding)
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[(hash-raw-tx raw-tx.tx) %failed]
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$(txs t.txs)
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::
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++ try-apply
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|= [nas=^state:naive force=? =raw-tx:naive]
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^- [success=? _nas]
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=/ chain-t=@t (ud-to-ascii:naive chain-id)
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?. (verify-sig-and-nonce:naive verifier:lib chain-t nas raw-tx)
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~& [%verify-sig-and-nonce %failed]
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[force nas]
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::
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=^ * points.nas
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(increment-nonce:naive nas from.tx.raw-tx)
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::
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?~ nex=(receive-tx:naive nas tx.raw-tx)
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[force nas]
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[& +.u.nex]
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--
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::
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++ get-l1-address
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|= [=tx:naive nas=^state:naive]
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^- address:ethereum
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?~ point=(get:orm:naive points.nas ship.from.tx)
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!!
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=< address
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(proxy-from-point:naive proxy.from.tx u.point)
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::
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++ on-action
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|= =action
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^- (quip card _state)
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?- -.action
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%commit on-timer
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%config (on-config +.action)
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%cancel !! ::TODO
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::
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%submit
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%^ take-tx
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force.action
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sig.action
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(part-tx-to-full tx.action)
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==
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::
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++ on-config
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|= =config
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^- (quip card _state)
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?- -.config
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%frequency [~ state(frequency frequency.config)]
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%endpoint [~ state(endpoint `endpoint.config)]
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::
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%network
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:- ~
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=/ [contract=@ux chain-id=@]
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=< [naive chain-id]
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=, azimuth
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?- net.config
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%mainnet mainnet-contracts
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%ropsten ropsten-contracts
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%local local-contracts
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==
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state(contract contract, chain-id chain-id)
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::
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%setkey
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?~ pk=(de:base16:mimes:html pk.config)
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`state
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[(get-nonce q.u.pk) state(pk q.u.pk)]
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==
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:: TODO: move address to state?
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|
::
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++ get-address
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^- address:ethereum
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|
(address-from-prv:key:ethereum pk)
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:: +take-tx: accept submitted l2 tx into the :pending list
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|
::
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|
++ take-tx
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|= [force=? =raw-tx:naive]
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|
^- (quip card _state)
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=. pending (snoc pending [force raw-tx])
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|
:: toggle flush flag
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|
::
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|
:_ state(flush ?:(flush | &))
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|
?. flush ~
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|
:: derive predicted state in 5m.
|
|
::
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|
[(wait:b:sys /predict (add ~m5 now.bowl))]~
|
|
:: +set-timer: %wait until next whole :frequency
|
|
::
|
|
++ set-timer
|
|
^- [=card =time]
|
|
=+ time=(mul +((div now.bowl frequency)) frequency)
|
|
[(wait:b:sys /timer time) time]
|
|
:: +on-timer: every :frequency, freeze :pending txs roll and start sending it
|
|
::
|
|
++ on-timer
|
|
^- (quip card _state)
|
|
=^ new-pending pre (predicted-state canonical-state)
|
|
=. pending new-pending
|
|
=^ cards state
|
|
?: =(~ pending) [~ state]
|
|
?~ next-nonce
|
|
~&([dap.bowl %no-nonce] [~ state])
|
|
=/ nonce=@ud u.next-nonce
|
|
=: pending ~
|
|
flush &
|
|
next-nonce `+(u.next-nonce)
|
|
::
|
|
sending
|
|
%+ ~(put by sending)
|
|
[get-address nonce]
|
|
[0 (turn pending tail)]
|
|
::
|
|
finding
|
|
%- ~(gas by finding)
|
|
%+ turn pending
|
|
|= [* =raw-tx:naive]
|
|
:- (hash-raw-tx raw-tx)
|
|
[(get-l1-address tx.raw-tx pre) nonce]
|
|
==
|
|
[(send-roll get-address nonce) state]
|
|
=^ card next-batch set-timer
|
|
[[card cards] state]
|
|
:: +get-nonce: retrieves the latest nonce
|
|
::
|
|
++ get-nonce
|
|
|= pk=@
|
|
^- (list card)
|
|
?~ endpoint ~&([dap.bowl %no-endpoint] ~)
|
|
(start-thread:spider /nonce [%aggregator-nonce !>([u.endpoint pk])])
|
|
::
|
|
:: +send-roll: start thread to submit roll from :sending to l1
|
|
::
|
|
++ send-roll
|
|
|= [=address:ethereum nonce=@ud]
|
|
^- (list card)
|
|
:: if this nonce isn't in the sending queue anymore, it's done
|
|
::
|
|
?. (~(has by sending) [address nonce])
|
|
~? lverb [dap.bowl %done-sending [address nonce]]
|
|
~
|
|
:: start the thread, passing in the l2 txs to use
|
|
::
|
|
?~ endpoint ~&([dap.bowl %no-endpoint] ~)
|
|
::TODO should go ahead and set resend timer in case thread hangs, or nah?
|
|
%+ start-thread:spider
|
|
/send/(scot %ux address)/(scot %ud nonce)
|
|
:- %aggregator-send
|
|
!> ^- rpc-send-roll
|
|
:* u.endpoint
|
|
contract
|
|
chain-id
|
|
pk
|
|
nonce
|
|
(~(got by sending) [address nonce])
|
|
==
|
|
:: +on-batch-result: await resend after thread success or failure
|
|
::
|
|
++ on-batch-result
|
|
|= [=address:ethereum nonce=@ud result=(each @ud @t)]
|
|
^- (quip card _state)
|
|
:: update gas price for this tx in state
|
|
::
|
|
=? sending ?=(%& -.result)
|
|
%+ ~(jab by sending) [address nonce]
|
|
(cork tail (lead p.result))
|
|
:: print error if there was one
|
|
::
|
|
~? ?=(%| -.result) [dap.bowl %send-error p.result]
|
|
:: resend the l1 tx in five minutes
|
|
::
|
|
:_ state
|
|
:_ ~
|
|
%+ wait:b:sys
|
|
/resend/(scot %ux address)/(scot %ud nonce)
|
|
(add resend-time now.bowl)
|
|
:: +on-naive-diff: process l2 tx confirmations
|
|
::
|
|
++ on-naive-diff
|
|
|= =diff:naive
|
|
^- (quip card _state)
|
|
?. ?=(%tx -.diff)
|
|
[~ state]
|
|
=/ =keccak (hash-raw-tx raw-tx.diff)
|
|
?~ wer=(~(get by finding) keccak)
|
|
[~ state]
|
|
:: if we had already seen the tx, no-op
|
|
::
|
|
?@ u.wer
|
|
~? &(?=(%confirmed u.wer) ?=(~ err.diff))
|
|
[dap.bowl %weird-double-confirm from.tx.raw-tx.diff]
|
|
[~ state]
|
|
=* nonce nonce.u.wer
|
|
:: remove the tx from the sending map
|
|
::
|
|
=. sending
|
|
?~ sen=(~(get by sending) [get-address nonce])
|
|
~& [dap.bowl %weird-double-remove]
|
|
sending
|
|
?~ nin=(find [raw-tx.diff]~ txs.u.sen)
|
|
~& [dap.bowl %weird-unknown]
|
|
sending
|
|
=. txs.u.sen (oust [u.nin 1] txs.u.sen)
|
|
?~ txs.u.sen
|
|
~? lverb [dap.bowl %done-with-nonce [get-address nonce]]
|
|
(~(del by sending) [get-address nonce])
|
|
(~(put by sending) [get-address nonce] u.sen)
|
|
:: update the finding map with the new status
|
|
::
|
|
=. finding
|
|
%+ ~(put by finding) keccak
|
|
?~ err.diff %confirmed
|
|
:: if we kept the forced flag around for longer, we could notify of
|
|
:: unexpected tx failures here. would that be useful? probably not?
|
|
:: ~? !forced [dap.bowl %aggregated-tx-failed-anyway err.diff]
|
|
%failed
|
|
:_ state(flush ?:(flush | &))
|
|
?. flush ~
|
|
:: derive predicted state in 5m.
|
|
::
|
|
[(wait:b:sys /predict (add ~m5 now.bowl))]~
|
|
::
|
|
--
|