max_bits = bitcoin_data.FloatingInteger.from_target_upper_bound(pre_target3)
bits = bitcoin_data.FloatingInteger.from_target_upper_bound(math.clip(desired_target, (pre_target3//10, pre_target3)))
- weights, total_weight, donation_weight = tracker.get_cumulative_weights(share_data['previous_share_hash'],
- min(height, net.REAL_CHAIN_LENGTH),
- 65535*net.SPREAD*bitcoin_data.target_to_average_attempts(block_target),
- )
- assert total_weight == sum(weights.itervalues()) + donation_weight, (total_weight, sum(weights.itervalues()) + donation_weight)
-
- amounts = dict((script, share_data['subsidy']*(199*weight)//(200*total_weight)) for script, weight in weights.iteritems()) # 99.5% goes according to weights prior to this share
- this_script = bitcoin_data.pubkey_hash_to_script2(share_data['pubkey_hash'])
- amounts[this_script] = amounts.get(this_script, 0) + share_data['subsidy']//200 # 0.5% goes to block finder
- amounts[DONATION_SCRIPT] = amounts.get(DONATION_SCRIPT, 0) + share_data['subsidy'] - sum(amounts.itervalues()) # all that's left over is the donation weight and some extra satoshis due to rounding
-
- if sum(amounts.itervalues()) != share_data['subsidy'] or any(x < 0 for x in amounts.itervalues()):
- raise ValueError()
-
- dests = sorted(amounts.iterkeys(), key=lambda script: (script == DONATION_SCRIPT, amounts[script], script))[-4000:] # block length limit, unlikely to ever be hit
-
new_transaction_hashes = []
new_transaction_size = 0
transaction_hash_refs = []
assert base_subsidy is not None
share_data = dict(share_data, subsidy=base_subsidy + definite_fees)
+ weights, total_weight, donation_weight = tracker.get_cumulative_weights(share_data['previous_share_hash'],
+ min(height, net.REAL_CHAIN_LENGTH),
+ 65535*net.SPREAD*bitcoin_data.target_to_average_attempts(block_target),
+ )
+ assert total_weight == sum(weights.itervalues()) + donation_weight, (total_weight, sum(weights.itervalues()) + donation_weight)
+
+ amounts = dict((script, share_data['subsidy']*(199*weight)//(200*total_weight)) for script, weight in weights.iteritems()) # 99.5% goes according to weights prior to this share
+ this_script = bitcoin_data.pubkey_hash_to_script2(share_data['pubkey_hash'])
+ amounts[this_script] = amounts.get(this_script, 0) + share_data['subsidy']//200 # 0.5% goes to block finder
+ amounts[DONATION_SCRIPT] = amounts.get(DONATION_SCRIPT, 0) + share_data['subsidy'] - sum(amounts.itervalues()) # all that's left over is the donation weight and some extra satoshis due to rounding
+
+ if sum(amounts.itervalues()) != share_data['subsidy'] or any(x < 0 for x in amounts.itervalues()):
+ raise ValueError()
+
+ dests = sorted(amounts.iterkeys(), key=lambda script: (script == DONATION_SCRIPT, amounts[script], script))[-4000:] # block length limit, unlikely to ever be hit
+
share_info = dict(
share_data=share_data,
far_share_hash=None if last is None and height < 99 else tracker.get_nth_parent_hash(share_data['previous_share_hash'], 99),
)
def get_share(header, last_txout_nonce=last_txout_nonce):
- min_header=dict(header);del min_header['merkle_root']
- return cls(net, None, dict(
+ min_header = dict(header); del min_header['merkle_root']
+ share = cls(net, None, dict(
min_header=min_header,
share_info=share_info,
ref_merkle_link=dict(branch=[], index=0),
hash_link=prefix_to_hash_link(bitcoin_data.tx_type.pack(gentx)[:-32-4-4], cls.gentx_before_refhash),
merkle_link=bitcoin_data.calculate_merkle_link([None] + other_transaction_hashes, 0),
))
+ assert share.header == header # checks merkle_root
+ return share
return share_info, gentx, other_transaction_hashes, get_share
other_txs = self._get_other_txs(tracker, known_txs)
if other_txs is None:
- if self.time_seen == 0: # ignore if loaded from ShareStore
+ if self.time_seen != 0: # ignore if loaded from ShareStore
return True, 'not all txs present'
else:
all_txs_size = sum(bitcoin_data.tx_type.packed_size(tx) for tx in other_txs)
desired_version_counts = get_desired_version_counts(tracker, best_share,
min(net.CHAIN_LENGTH, 60*60//net.SHARE_PERIOD, tracker.get_height(best_share)))
majority_desired_version = max(desired_version_counts, key=lambda k: desired_version_counts[k])
- if majority_desired_version > 10 and desired_version_counts[majority_desired_version] > sum(desired_version_counts.itervalues())/2:
+ if majority_desired_version > 11 and desired_version_counts[majority_desired_version] > sum(desired_version_counts.itervalues())/2:
res.append('A MAJORITY OF SHARES CONTAIN A VOTE FOR AN UNSUPPORTED SHARE IMPLEMENTATION! (v%i with %i%% support)\n'
'An upgrade is likely necessary. Check http://p2pool.forre.st/ for more information.' % (
majority_desired_version, 100*desired_version_counts[majority_desired_version]/sum(desired_version_counts.itervalues())))