[wallet] Add wallet view
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# Copyright (c) 2014-2017 esotericnonsense (Daniel Edgecumbe)
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or https://opensource.org/licenses/mit-license.php
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import datetime
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import curses
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import asyncio
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import view
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class WalletView(view.View):
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_mode_name = "wallet"
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def __init__(self, txidsetter, modesetter):
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self._txidsetter = txidsetter
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self._modesetter = modesetter
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self._wallet = None
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self._tx_offset = None # (index, hash of wallet)
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self._selected_tx = None # (index, hash of wallet)
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super().__init__()
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async def _draw_wallet(self, wallet):
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CGREEN = curses.color_pair(1)
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CRED = curses.color_pair(3)
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CYELLOW = curses.color_pair(5)
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CBOLD = curses.A_BOLD
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CREVERSE = curses.A_REVERSE
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if "transactions" in wallet:
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offset = self._tx_offset[0]
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self._pad.addstr(0, 1, "Transactions: {}".format(
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len(wallet["transactions"])), CBOLD)
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self._pad.addstr(0, 68, "[UP/DOWN: browse, ENTER: select]", CYELLOW)
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if offset > 0:
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self._pad.addstr(1, 25, "... ^ ...", CBOLD)
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if offset < len(wallet["transactions"]) - 11:
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self._pad.addstr(19, 25, "... v ...", CBOLD)
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for i, tx in enumerate(wallet["transactions"]):
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if i < offset:
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continue
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if i > offset+5:
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break
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color = CGREEN if tx["amount"] >= 0 else CRED
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# if i == self._selected_tx[0] and self._hash == self._selected_tx[1]:
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if i == self._selected_tx[0]:
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color += CBOLD + CREVERSE
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# hackerino
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self._pad.addstr(2+((i-offset)*3), 1, " " * 98, color)
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self._pad.addstr(2+((i-offset)*3)+1, 1, " " * 98, color)
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self._pad.addstr(2+((i-offset)*3), 1, "{}".format(
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datetime.datetime.utcfromtimestamp(tx["timereceived"]).isoformat(timespec="seconds")
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), color)
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self._pad.addstr(2+((i-offset)*3), 30, "block: {: 7d}".format(tx["blockindex"]), color)
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self._pad.addstr(2+((i-offset)*3), 81, "{: 15.8f} BTC".format(
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tx["amount"],
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), color)
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self._pad.addstr(2+((i-offset)*3)+1, 1, "{}".format(tx["address"]), color)
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self._pad.addstr(2+((i-offset)*3)+1, 36, "{}".format(tx["txid"]), color)
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async def _draw(self):
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self._clear_init_pad()
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if self._wallet:
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await self._draw_wallet(self._wallet)
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self._draw_pad_to_screen()
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async def on_sinceblock(self, key, obj):
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# TODO: if no changes don't reset cursor or do anything?
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try:
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wallet = obj["result"]
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except KeyError:
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return
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if self._wallet is not None:
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if wallet["lastblock"] == self._wallet["lastblock"]:
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# No change.
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return
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def sort_wallet_tx(tx):
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return (tx["timereceived"], tx["amount"])
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# Sort it.
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wallet["transactions"] = sorted(wallet["transactions"], key=sort_wallet_tx, reverse=True)
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self._wallet = wallet
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# TODO: scan the old and new wallets, select the same tx, update offset.
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if self._selected_tx is None:
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self._selected_tx = (0, None)
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if self._tx_offset is None:
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self._tx_offset = (0, None)
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await self._draw_if_visible()
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async def _select_previous_transaction(self):
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"""
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if self._hash is None:
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return # Can't do anything
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if self._selected_tx == None or self._selected_tx[1] != self._hash:
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return # Can't do anything
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if self._tx_offset == None or self._tx_offset[1] != self._hash:
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return # Can't do anything
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"""
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if not self._wallet:
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return
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if self._selected_tx[0] == 0:
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return # At the beginning already.
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if self._selected_tx[0] == self._tx_offset[0]:
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self._tx_offset = (self._tx_offset[0] - 1, self._tx_offset[1])
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self._selected_tx = (self._selected_tx[0] - 1, self._selected_tx[1])
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await self._draw_if_visible()
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async def _select_next_transaction(self):
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"""
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if self._hash is None:
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return # Can't do anything
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if self._selected_tx == None or self._selected_tx[1] != self._hash:
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return # Can't do anything
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if self._tx_offset == None or self._tx_offset[1] != self._hash:
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return # Can't do anything
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"""
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if not self._wallet:
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return
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if self._selected_tx[0] == len(self._wallet["transactions"]) - 1:
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return # At the end already
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if self._selected_tx[0] == self._tx_offset[0] + 5:
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self._tx_offset = (self._tx_offset[0] + 1, self._tx_offset[1])
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self._selected_tx = (self._selected_tx[0] + 1, self._selected_tx[1])
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await self._draw_if_visible()
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async def _enter_transaction_view(self):
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"""
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if self._hash is None:
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return # Can't do anything
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if self._selected_tx == None or self._selected_tx[1] != self._hash:
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return # Can't do anything
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if self._tx_offset == None or self._tx_offset[1] != self._hash:
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return # This shouldn't matter, but skip anyway
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"""
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if self._selected_tx == None:
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return # Can't do anything
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txid = self._wallet["transactions"][self._selected_tx[0]]["txid"]
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await self._txidsetter(txid)
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await self._modesetter("transaction")
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async def handle_keypress(self, key):
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assert self._visible
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if key == "KEY_UP":
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await self._select_previous_transaction()
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return None
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if key == "KEY_DOWN":
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await self._select_next_transaction()
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return None
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if key == "KEY_RETURN" or key == "\n":
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await self._enter_transaction_view()
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return None
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return key
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