tadd BIP9 and segwit_support methods - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
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---
DIR commit 9c70540a2fe04019975aa945a3aa5fe4d6efe7e1
DIR parent 6548388b0e73329e9859afaf434891ac638433d8
HTML Author: ThomasV <thomasv@electrum.org>
Date: Sat, 25 Mar 2017 11:09:24 +0100
add BIP9 and segwit_support methods
Diffstat:
M lib/blockchain.py | 8 ++++++++
1 file changed, 8 insertions(+), 0 deletions(-)
---
DIR diff --git a/lib/blockchain.py b/lib/blockchain.py
t@@ -175,6 +175,14 @@ class Blockchain(util.PrintError):
h = self.deserialize_header(h, block_height)
return h
+ def BIP9(self, height, flag):
+ v = self.read_header(height)['version']
+ return ((v & 0xE0000000) == 0x20000000) and ((v & flag) == flag)
+
+ def segwit_support(self, N=144):
+ h = self.local_height
+ return sum([self.BIP9(h-i, 2) for i in range(N)])*10000/N/100.
+
def check_truncate_headers(self):
checkpoint = self.read_header(self.checkpoint_height)
if checkpoint is None: