AaronFiore/electrum
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add checkpoint dialog to the kivy gui

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This commit is contained in:
ThomasV
2017-03-27 12:48:10 +02:00
parent e6560b8d7f
commit 2fcdd458b3
4 changed files with 124 additions and 6 deletions
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16
lib/blockchain.py
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@@ -37,8 +37,7 @@ class Blockchain(util.PrintError):
def __init__(self, config, network):
self.config = config
self.network = network
self.checkpoint_height = self.config.get('checkpoint_height', 0)
self.checkpoint_hash = self.config.get('checkpoint_value', bitcoin.GENESIS)
self.checkpoint_height, self.checkpoint_hash = self.get_checkpoint()
self.check_truncate_headers()
self.set_local_height()
@@ -189,6 +188,7 @@ class Blockchain(util.PrintError):
return
if self.hash_header(checkpoint) == self.checkpoint_hash:
return
self.print_error('checkpoint mismatch:', self.hash_header(checkpoint), self.checkpoint_hash)
self.print_error('Truncating headers file at height %d'%self.checkpoint_height)
name = self.path()
f = open(name, 'rb+')
@@ -274,3 +274,15 @@ class Blockchain(util.PrintError):
except BaseException as e:
self.print_error('verify_chunk failed', str(e))
return idx - 1
def get_checkpoint(self):
height = self.config.get('checkpoint_height', 0)
value = self.config.get('checkpoint_value', bitcoin.GENESIS)
return (height, value)
def set_checkpoint(self, height, value):
self.checkpoint_height = height
self.checkpoint_hash = value
self.config.set_key('checkpoint_height', height)
self.config.set_key('checkpoint_value', value)
self.check_truncate_headers()