::
::
::::
  :: 
/?  314
/-  talk, bit-api
/+  talk, sole, http
!:
::::  sivtyv-barnel
  ::  be sure to have oauth2-code markk
[talk bit-api .]
|%
++  axle
$:  cred=(unit ,[app-secret=@t client-id=@t])
    oauth-code=(unit ,@t)
    auth=(unit ,[access=@t refresh=@t])
    contacts=(map ,@t ,@t)
    outgoing=(map ship ,@t)  incoming=(map ,@t ship)
==
++  move  ,[bone note]
++  hapt  ,[ship path]
++  note
  $%  [%send wire [ship term] %poke mesa]
      [%them wire (unit hiss)]
      [%hiss wire mark bit-any]
  ==
++  gift
  $%  [%nice ~]
      [%mean ares]
  ==
++  sign
  $%  [%thou p=httr]
      [%unto %coup p=(unit tang)]
  ==
++  mesa
  $%  [%bit-addr-request ~]
      [%bit-addr-made @t]
      [%talk-command command]
  ==
--
::
!:
|_  [hid=bowl vat=axle]
:: ++  prep  ~&(%bit-prep-wipe ,_`.)
++  return  [*(list move) .]
++  redirect-uri  [hostname `/~~/home/pub/bit/fab ~]
++  hostname  ^-  hart
  ?+  (clan our.hid)  !!
     %czar  [| ?+(our.hid `8.443 %~fyr `8.444) `/localhost]
     %duke  [| `8.444 `/org/urbit/(crip +:<our.hid>)]
  ==
++  auth-url
  %+  weld  "https://sandbox.coinbase.com/oauth/authorize"
  %-  tail:earn  :~
    'response_type'^%code
    'client_id'^client-id:(need cred.vat)
    'redirect_uri'^(crip (earn redirect-uri))
    'scope'^'user balance buy sell send transactions addresses'
    'meta[send_limit_amount]'^'1'
    'meta[send_limit_curency]'^'BTC'
    'meta[send_limit_period]'^'day'
  ==
++  old-api
  |=  [pour-path=wire end-point=path req=$|(%get [%post p=json])]
  ^-  move
  %^  send:http  ost.hid  pour-path 
  [/com/coinbase/api v1/end-point req ~ ['access_token' access:(need auth.vat)]~]
::
++  api-call
  |=  [res=mark req=bit-api-call]  ^+  return
  ~|  %missing-access-token
  [[ost.hid %hiss / res bit-api-call/[access:(need auth.vat) req]]~ +>.$]
::
++  print  |=(msg=tape [[(publish [%lin & (crip msg)]~)]~ +>.$])
++  callback-uri  [hostname [`%json /~/to/[dap.hid]/json] ~[anon/'' wire/'/']]
++  poke-auth
  |=  arg=[secr=cord id=cord]
  =.  cred.vat  `arg
  =+  prl=`purl`(need (epur (crip auth-url)))
  :_  +>.$  
  :-  %-  publish
      :~  [%lin & 'secret and client id saved successfully']
          [%lin & 'please click on the url below to continue authentication']
          [%url prl ~] 
      ==
  ~
::
++  sigh-tang  |=([* err=tang] (mean err))
++  send-friend                      ::  inter-app interface
  |=  [way=wire his=ship mez=$%([%bit-addr-request ~] [%bit-addr-made @t])]
  ^-  move
  [ost.hid %send way [his dap.hid] %poke mez]
::
++  poke-bit-send  |=(req=bit-send (api-call %bit-transaction send/req))
++  sigh-bit-transaction
  |=([* trid=@t] (print "transaction success {(trip trid)}"))
::
++  poke-bit-ship-send                        ::  send to ship
  |=  [to=ship amount=@t]
  =.  outgoing.vat  (~(put by outgoing.vat) to amount)
  :_  +>.$
  :_  ~
  (send-friend /sent to %bit-addr-request ~)
++  poke-bit-addr-request             ::  give your address to receive bit
  |=  ~           ::  gen new address with callback
  :_  +>.$
  :_  ~
  %+  old-api  /addr-request/(scot %p src.hid) 
  :+  /addresses  %post
  %+  joba  %address
  %-  jobe  :~
    label/(jape "address for {<src.hid>}")
    'callback_url'^(jape (earn callback-uri))
  ==
  ::
++  pour-addr-request             ::  send new address to sender
  |=  [pax=path rez=json]
  =+  adr=(need ((ot address/so ~):jo rez))
  =+  his=(slav %p +<.pax)
  ~!  incoming.vat
  =.  incoming.vat
    (~(put by incoming.vat) adr his) 
  :_  +>.$
  :_  ~
  (send-friend [%message ~] his %bit-addr-made adr)
::
++  poke-bit-addr-made             ::  receive address for sending
  |=  addr=@t
  =+  amount=(~(got by outgoing.vat) src.hid)             ::  get amount to send
  (api-call %bit-transaction txt-send/[addr amount])
::
++  poke-oauth2-code
  |=  code=cord
  =.  oauth-code.vat
    [~ code]
  ?<  ?=(~ cred.vat)
  =+  req=[code [client-id app-secret]:u.cred.vat redirect-uri]
  [[ost.hid %hiss / %oauth-tokens bit-get-token/req]~ +>.$]
::
++  sigh-oauth-tokens
  |=  [wire toke=[access=@t refresh=@t]]
  =.(auth.vat `toke (print "authenticated."))
::
++  poke-buy
  |=(arg=[amount=@t currency=@t] ?<(=(amount.arg ~) (api-call %json %buy arg)))
++  poke-sell
  |=(arg=[amount=@t currency=@t] ?<(=(amount.arg ~) (api-call %json %sell arg)))
++  sigh-json  |=([* a=json] ~&(a return))
++  poke-list  |=(~ (api-call %bit-accounts %list ~))
++  sigh-bit-accounts  |=([* acc=bit-accounts] ~&(accounts=acc return))
++  poke-send-raw
  |=  arg=[to=@t amone=(unit ,@t) cur=(unit ,@t) amtwo=(unit ,@t) nt=(unit ,@t)]
  =+  adr=?~((~(get by contacts.vat) to.arg) to ~&('contact-exists' (~(get by contacts.vat) to.arg)))
  =+  ^=  info
      ?~  cur.arg  
        [to/s/to.arg amount/s/(need amone.arg) ~]
      ?~  nt.arg
        [to/s/to.arg 'amount_currency_iso'^s/(need cur.arg) 'amount_string'^s/(need amtwo.arg) ~]
      [to/s/to.arg amount/s/(need amtwo.arg) 'amount_string'^s/(need amtwo.arg) ~]
  =+  ^=  pst
      (jobe transaction/(jobe info) ~)
  [[(old-api /send /transactions/'send_money' %post pst) ~] +>.$]
::
++  poke-json
  |=  arg=json
  ~&  arg
  =+  [adr amo]=(need %.(arg (ot address/so amount/no ~):jo))
  =+  frm=(~(get by incoming.vat) adr)
  (print "just received {(trip amo)} BTC from {<frm>}")
  ::(old-api /get-id /transactions/[transaction-id] %get)
++  pour-get-id             ::  display transaction info
  |=  [pax=path rez=json]
  :_  +>.$
  :_  ~
  !! 
::
++  thou
  |=  [way=wire res=httr]
  ?+  -.way  !!
    %message  `+>.$
    ?(%addr-request %get-id)
      ~|  'must receive a 200'
      ~|  res
      ?>  =(200 p.res)
      %-  ?-(-.way %addr-request pour-addr-request, %get-id pour-get-id)
      [way (rash q:(need r.res) apex:poja)]
  ==
::
++  publish
  |=  act=(list speech)
  ^-  move
  =+  ^=  thotz
      %+  turn  act
      |=  sp=speech  ^-  thought
      =+  ^=  tail
      :-  ^-  audience
          :+  :-  `partner`[%& our.hid ?+((clan our.hid) !! %czar %court, %duke %porch)]
              ^-  (pair envelope delivery)
              [`envelope`[& ~] %pending]
            ~
          ~
      `statement`[now.hid ~ sp]
      :-  `@`(sham eny.hid tail)
      tail
  [ost.hid %send /auth [our.hid %talk] %poke [%talk-command %publish thotz]]
--