def get_asset_info(asset, at_dt=None):
asset_info = config.mongo_db.tracked_assets.find_one({'asset': asset})
if asset not in (config.XCP, config.BTC) and at_dt and asset_info['_at_block_time'] > at_dt:
#get the asset info at or before the given at_dt datetime
for e in reversed(asset_info['_history']): #newest to oldest
if e['_at_block_time'] <= at_dt:
asset_info = e
break
else: #asset was created AFTER at_dt
asset_info = None
if asset_info is None: return None
assert asset_info['_at_block_time'] <= at_dt
#modify some of the properties of the returned asset_info for BTC and XCP
if asset == config.BTC:
if at_dt:
start_block_index, end_block_index = database.get_block_indexes_for_dates(end_dt=at_dt)
asset_info['total_issued'] = blockchain.get_btc_supply(normalize=False, at_block_index=end_block_index)
asset_info['total_issued_normalized'] = blockchain.normalize_quantity(asset_info['total_issued'])
else:
asset_info['total_issued'] = blockchain.get_btc_supply(normalize=False)
asset_info['total_issued_normalized'] = blockchain.normalize_quantity(asset_info['total_issued'])
elif asset == config.XCP:
#BUG: this does not take end_dt (if specified) into account. however, the deviation won't be too big
# as XCP doesn't deflate quickly at all, and shouldn't matter that much since there weren't any/much trades
# before the end of the burn period (which is what is involved with how we use at_dt with currently)
asset_info['total_issued'] = util.call_jsonrpc_api("get_supply", {'asset': 'XCP'}, abort_on_error=True)['result']
asset_info['total_issued_normalized'] = blockchain.normalize_quantity(asset_info['total_issued'])
if not asset_info:
raise Exception("Invalid asset: %s" % asset)
return asset_info
def get_assets_info(assetsList):
assets = assetsList # TODO: change the parameter name at some point in the future...shouldn't be using camel case here
if not isinstance(assets, list):
raise Exception(
"assets must be a list of asset names, even if it just contains one entry"
)
assets_info = []
for asset in assets:
# BTC and XCP.
if asset in [config.BTC, config.XCP]:
if asset == config.BTC:
supply = blockchain.get_btc_supply(self.proxy, normalize=False)
else:
supply = util.call_jsonrpc_api("get_supply",
{'asset': config.XCP},
abort_on_error=True)['result']
assets_info.append({
'asset': asset,
'owner': None,
'divisible': True,
'locked': False,
'supply': supply,
'description': '',
'issuer': None
})
continue
# User-created asset.
tracked_asset = config.mongo_db.tracked_assets.find_one(
{'asset': asset}, {
'_id': 0,
'_history': 0
})
if not tracked_asset:
continue # asset not found, most likely
assets_info.append({
'asset': asset,
'owner': tracked_asset['owner'],
'divisible': tracked_asset['divisible'],
'locked': tracked_asset['locked'],
'supply': tracked_asset['total_issued'],
'description': tracked_asset['description'],
'issuer': tracked_asset['owner']
})
return assets_info
def get_assets_info(assetsList):
assets = assetsList #TODO: change the parameter name at some point in the future...shouldn't be using camel case here
if not isinstance(assets, list):
raise Exception("assets must be a list of asset names, even if it just contains one entry")
assets_info = []
for asset in assets:
# BTC and XCP.
if asset in [config.BTC, config.XCP]:
if asset == config.BTC:
supply = blockchain.get_btc_supply(self.proxy, normalize=False)
else:
supply = util.call_jsonrpc_api("get_supply", {'asset': 'XCP'}, abort_on_error=True)['result']
assets_info.append({
'asset': asset,
'owner': None,
'divisible': True,
'locked': False,
'supply': supply,
'description': '',
'issuer': None
})
continue
# User-created asset.
tracked_asset = config.mongo_db.tracked_assets.find_one({'asset': asset}, {'_id': 0, '_history': 0})
if not tracked_asset:
continue #asset not found, most likely
assets_info.append({
'asset': asset,
'owner': tracked_asset['owner'],
'divisible': tracked_asset['divisible'],
'locked': tracked_asset['locked'],
'supply': tracked_asset['total_issued'],
'description': tracked_asset['description'],
'issuer': tracked_asset['owner']})
return assets_info
