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stream cost estimate command refactor

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This commit is contained in:
Lex Berezhny 2019-01-07 17:02:20 -05:00
parent 893b4fc3ca
commit 134c20da93
1 changed files with 20 additions and 30 deletions
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50
lbrynet/extras/daemon/Daemon.py
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@ -716,22 +716,22 @@ class Daemon(metaclass=JSONRPCServerType):
"output": tx.outputs[nout]
}
def _get_or_download_sd_blob(self, blob, sd_hash):
async def _get_or_download_sd_blob(self, blob, sd_hash):
if blob:
return self.blob_manager.get_blob(blob[0])
return download_sd_blob(
return await d2f(download_sd_blob(
sd_hash.decode(), self.blob_manager, self.component_manager.peer_finder, self.rate_limiter,
self.payment_rate_manager, self.wallet_manager, timeout=conf.settings['peer_search_timeout'],
download_mirrors=conf.settings['download_mirrors']
)
))
def get_or_download_sd_blob(self, sd_hash):
"""Return previously downloaded sd blob if already in the blob
manager, otherwise download and return it
"""
d = self.blob_manager.completed_blobs([sd_hash.decode()])
d.addCallback(self._get_or_download_sd_blob, sd_hash)
return d
return self._get_or_download_sd_blob(
self.blob_manager.completed_blobs([sd_hash.decode()]), sd_hash
)
def get_size_from_sd_blob(self, sd_blob):
"""
@ -764,30 +764,22 @@ class Daemon(metaclass=JSONRPCServerType):
final_fee = self._add_key_fee_to_est_data_cost(claim.source_fee, cost)
return final_fee
def get_est_cost_from_sd_hash(self, sd_hash):
async def get_est_cost_from_sd_hash(self, sd_hash):
"""
Get estimated cost from a sd hash
"""
sd_blob = await self.get_or_download_sd_blob(sd_hash)
stream_size = await d2f(self.get_size_from_sd_blob(sd_blob))
return self._get_est_cost_from_stream_size(stream_size)
d = self.get_or_download_sd_blob(sd_hash)
d.addCallback(self.get_size_from_sd_blob)
d.addCallback(self._get_est_cost_from_stream_size)
return d
def _get_est_cost_from_metadata(self, metadata, name):
d = self.get_est_cost_from_sd_hash(metadata.source_hash)
def _handle_err(err):
if isinstance(err, Failure):
log.warning(
"Timeout getting blob for cost est for lbry://%s, using only key fee", name)
return 0.0
raise err
d.addErrback(_handle_err)
d.addCallback(lambda data_cost: self._add_key_fee_to_est_data_cost(metadata.source_fee,
data_cost))
return d
async def _get_est_cost_from_metadata(self, metadata, name):
try:
return self._add_key_fee_to_est_data_cost(
metadata.source_fee, await self.get_est_cost_from_sd_hash(metadata.source_hash)
)
except:
log.warning("Timeout getting blob for cost est for lbry://%s, using only key fee", name)
return 0.0
def _add_key_fee_to_est_data_cost(self, fee, data_cost):
fee_amount = 0.0 if not fee else self.exchange_rate_manager.convert_currency(fee.currency,
@ -806,15 +798,13 @@ class Daemon(metaclass=JSONRPCServerType):
else:
claim_response = None
result = None
if claim_response and 'claim' in claim_response:
if 'value' in claim_response['claim'] and claim_response['claim']['value'] is not None:
claim_value = ClaimDict.load_dict(claim_response['claim']['value'])
cost = await d2f(self._get_est_cost_from_metadata(claim_value, uri))
result = round(cost, 5)
cost = await self._get_est_cost_from_metadata(claim_value, uri)
return round(cost, 5)
else:
log.warning("Failed to estimate cost for %s", uri)
return result
def get_est_cost(self, uri, size=None):
"""Get a cost estimate for a lbry stream, if size is not provided the