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rework epoch logic to consider per-epoch rules on a per-namespace basis.

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This commit is contained in:
Jude Nelson
2016-09-28 19:52:50 -04:00
parent 7fa57c2468
commit 78f773db00
1 changed files with 41 additions and 12 deletions
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53
blockstack/lib/config.py
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@@ -105,6 +105,11 @@ Specifically:
* PRICE_MULTIPLIER: constant to multiply name and namespace prices by
"""
EPOCH_FIELDS = [
"end_block",
"namespaces"
]
EPOCH_NAMESPACE_FIELDS = [
"NAMESPACE_LIFETIME_MULTIPLIER",
"PRICE_MULTIPLIER"
]
@@ -114,8 +119,8 @@ EPOCH_NOW = -1
EPOCH_1_END_BLOCK = 436000
EPOCH_2_END_BLOCK = EPOCH_NOW
EPOCH_1_PRICE_MULTIPLIER = 1.0
EPOCH_2_PRICE_MULTIPLIER = 0.417
EPOCH_1_PRICE_MULTIPLIER_id = 1.0
EPOCH_2_PRICE_MULTIPLIER_id = 1.0
NUM_EPOCHS = 2
for i in xrange(1, NUM_EPOCHS+1):
@@ -125,7 +130,7 @@ for i in xrange(1, NUM_EPOCHS+1):
log.warn("EPOCH_%s_END_BLOCK = %s" % (i, eval("EPOCH_%s_END_BLOCK" % i)))
if os.environ.get("BLOCKSTACK_EPOCH_%s_PRICE_MULTIPLIER" % i, None) is not None and os.environ.get("BLOCKSTACK_TEST", None) == "1":
exec("EPOCH_%s_PRICE_MULTIPLIER = float(%s)" % (i, os.environ.get("BLOCKSTACK_EPOCH_%s_PRICE_MULTIPLIER" % i)))
exec("EPOCH_%s_PRICE_MULTIPLIER_id = float(%s)" % (i, os.environ.get("BLOCKSTACK_EPOCH_%s_PRICE_MULTIPLIER" % i)))
log.warn("EPOCH_%s_PRICE_MULTIPLIER = %s" % (i, eval("EPOCH_%s_PRICE_MULTIPLIER" % i)))
del i
@@ -137,17 +142,29 @@ EPOCHS = [
{
# epoch 1
"end_block": EPOCH_1_END_BLOCK,
"NAMESPACE_LIFETIME_MULTIPLIER": 1,
"PRICE_MULTIPLIER": EPOCH_1_PRICE_MULTIPLIER # meant for when 1 BTC was ~$250 USD
"namespaces": {
"id": {
"NAMESPACE_LIFETIME_MULTIPLIER": 1,
"PRICE_MULTIPLIER": EPOCH_1_PRICE_MULTIPLIER_id
}
}
},
{
# epoch 2
"end_block": EPOCH_2_END_BLOCK,
"NAMESPACE_LIFETIME_MULTIPLIER": 2,
"PRICE_MULTIPLIER": EPOCH_2_PRICE_MULTIPLIER # price of bitcoin when epoch 2 began: ~$600 USD
"namespaces": {
"id": {
"NAMESPACE_LIFETIME_MULTIPLIER": 5,
"PRICE_MULTIPLIER": EPOCH_2_PRICE_MULTIPLIER_id
}
}
}
]
# if we're testing, then add the same rules for the 'test' namespace
if os.environ.get("BLOCKSTACK_TEST", None) == "1":
for i in xrange(0, len(EPOCHS)):
EPOCHS[i]['namespaces']['test'] = EPOCHS[i]['namespaces']['id']
# epoch self-consistency check
for epoch_field in EPOCH_FIELDS:
@@ -155,6 +172,12 @@ for epoch_field in EPOCH_FIELDS:
if not EPOCHS[i].has_key(epoch_field):
raise Exception("Missing field '%s' at epoch %s" % (epoch_field, i))
for i in xrange(0, len(EPOCHS)):
for nsid in EPOCHS[i]['namespaces']:
for epoch_field in EPOCH_NAMESPACE_FIELDS:
if not EPOCHS[i]['namespaces'][nsid].has_key(epoch_field):
raise Exception("Missing field '%s' at epoch %s in namespace '%s'" % (epoch_field, i, nsid))
if EPOCHS[len(EPOCHS)-1]['end_block'] != EPOCH_NOW:
raise Exception("Last epoch ends at %s" % EPOCHS[len(EPOCHS)-1]['end_block'])
@@ -168,7 +191,7 @@ for i in xrange(0, len(EPOCHS)-1):
del epoch_field
del i
del nsid
""" magic bytes configs
"""
@@ -453,20 +476,26 @@ def get_epoch_config( block_height ):
os.abort()
def get_epoch_namespace_lifetime_multiplier( block_height ):
def get_epoch_namespace_lifetime_multiplier( block_height, namespace_id ):
"""
what's the namespace lifetime multipler for this epoch?
"""
epoch_config = get_epoch_config( block_height )
return epoch_config['NAMESPACE_LIFETIME_MULTIPLIER']
if epoch_config['namespaces'].has_key(namespace_id):
return epoch_config['namespaces'][namespace_id]['NAMESPACE_LIFETIME_MULTIPLIER']
else:
return 1
def get_epoch_price_multiplier( block_height ):
def get_epoch_price_multiplier( block_height, namespace_id ):
"""
what's the price multiplier for this epoch?
"""
epoch_config = get_epoch_config( block_height )
return epoch_config['PRICE_MULTIPLIER']
if epoch_config['namespaces'].has_key(namespace_id):
return epoch_config['namespaces'][namespace_id]['PRICE_MULTIPLIER']
else:
return 1
"""