AaronFiore/electrum
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qt: show deterministic colors for swapservers

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shows a little color icon which generated deterministically from
the server pubkey for easier differentiation.
This commit is contained in:
f321x
2025-06-09 18:19:46 +02:00
parent 2b8a0d5a1d
commit 6af54866c9
1 changed files with 17 additions and 0 deletions
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17
electrum/gui/qt/swap_dialog.py
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@@ -1,6 +1,7 @@
from typing import TYPE_CHECKING, Optional, Union, Tuple, Sequence from typing import TYPE_CHECKING, Optional, Union, Tuple, Sequence
from PyQt6.QtCore import pyqtSignal, Qt from PyQt6.QtCore import pyqtSignal, Qt
from PyQt6.QtGui import QIcon, QPixmap, QColor
from PyQt6.QtWidgets import QLabel, QVBoxLayout, QGridLayout, QPushButton from PyQt6.QtWidgets import QLabel, QVBoxLayout, QGridLayout, QPushButton
from PyQt6.QtWidgets import QTreeWidget, QTreeWidgetItem, QHeaderView from PyQt6.QtWidgets import QTreeWidget, QTreeWidgetItem, QHeaderView
@@ -9,6 +10,7 @@ from electrum.util import NotEnoughFunds, NoDynamicFeeEstimates, UserCancelled
from electrum.bitcoin import DummyAddress from electrum.bitcoin import DummyAddress
from electrum.transaction import PartialTxOutput, PartialTransaction from electrum.transaction import PartialTxOutput, PartialTransaction
from electrum.fee_policy import FeePolicy from electrum.fee_policy import FeePolicy
from electrum.crypto import sha256
from electrum.gui import messages from electrum.gui import messages
from . import util from . import util
@@ -445,5 +447,20 @@ class SwapServerDialog(WindowModalDialog, QtEventListener):
max_reverse = self.window.format_amount(x.pairs.max_reverse) + ' ' + self.window.base_unit() max_reverse = self.window.format_amount(x.pairs.max_reverse) + ' ' + self.window.base_unit()
item = QTreeWidgetItem([x.server_pubkey, fee, max_forward, max_reverse, last_seen]) item = QTreeWidgetItem([x.server_pubkey, fee, max_forward, max_reverse, last_seen])
item.setData(0, ROLE_NPUB, x.server_npub) item.setData(0, ROLE_NPUB, x.server_npub)
item.setIcon(0, self._pubkey_to_q_icon(x.server_pubkey))
items.append(item) items.append(item)
self.servers_list.insertTopLevelItems(0, items) self.servers_list.insertTopLevelItems(0, items)
@staticmethod
def _pubkey_to_q_icon(server_pubkey: str) -> QIcon:
def str_to_rgb(color_input: str) -> int:
input_hash = int.from_bytes(sha256(color_input), byteorder="big")
r = (input_hash & 0xFF0000) >> 16
g = (input_hash & 0x00FF00) >> 8
b = input_hash & 0x0000FF
return (r << 16) | (g << 8) | b
color = QColor(str_to_rgb(server_pubkey))
color_pixmap = QPixmap(100, 100)
color_pixmap.fill(color)
return QIcon(color_pixmap)