def make_supply_table(self, supply_divide=1, table_format='simple'):
eras = self.supply_data.get('eras')
if not eras and self.supply_data['method'] == 'standard':
eras = make_standard_halfing_eras(
start=0,
interval=self.supply_data['blocks_per_era'],
start_reward=self.supply_data['start_coins_per_block'])
tag = ""
if supply_divide == 1e6:
tag = " (in millions)"
if supply_divide == 1e9:
tag = " (in billions)"
total_supply = (self.supply_data.get('full_cap') or 0) / supply_divide
rows = []
running_total = 0
for era, data in enumerate(eras, 1):
start = data['start']
end = data['end']
reward = data['reward']
total = ((end - start) * reward) / supply_divide if end else ""
running_total += total or 0
percent = "%.2f" % (float(running_total * 100) /
total_supply) if total_supply else None
date = self.estimate_date_from_height(end) if end else None
row = [
era, start, "{0:%m-%d-%Y}".format(date) if date else "", end,
reward, total, running_total
]
if total_supply:
row.append(percent)
rows.append(row)
headers = [
'Era', 'Start Block', 'End Date', 'End Block', 'Reward per block',
'Total Created This Era' + tag, "Total Existing" + tag
]
if total_supply:
headers.append("Percentage Issued")
return tabulate(rows, headers=headers, tablefmt=table_format)
def make_supply_table(self, supply_divide=1, table_format='simple'):
eras = self.supply_data.get('eras')
if not eras and self.supply_data['method'] == 'standard':
eras = make_standard_halfing_eras(
start=0, interval=self.supply_data['blocks_per_era'],
start_reward=self.supply_data['start_coins_per_block']
)
tag = ""
if supply_divide == 1e6:
tag = " (in millions)"
if supply_divide == 1e9:
tag = " (in billions)"
total_supply = (self.supply_data.get('full_cap') or 0) / supply_divide
rows = []
running_total = 0
for era, data in enumerate(eras, 1):
start = data['start']
end = data['end']
reward = data['reward']
total = ((end - start) * reward) / supply_divide if end else ""
running_total += total or 0
percent = "%.2f" % (float(running_total * 100) / total_supply) if total_supply else None
date = self.estimate_date_from_height(end) if end else None
row = [era, start, "{0:%m-%d-%Y}".format(date) if date else "", end, reward, total, running_total]
if total_supply:
row.append(percent)
rows.append(row)
headers = [
'Era', 'Start Block', 'End Date', 'End Block', 'Reward per block',
'Total Created This Era' + tag, "Total Existing" + tag
]
if total_supply:
headers.append("Percentage Issued")
return tabulate(rows, headers=headers, tablefmt=table_format)
'start': 1,
'end': 100000,
'reward': 500000
}, # reward was random, average used
{
'start': 100001,
'end': 144999,
'reward': 250011
}, # reward was random, average used
{
'start': 145000,
'end': 200000,
'reward': 250000
},
] + make_standard_halfing_eras(start=200000,
interval=100000,
start_reward=125000,
total_eras=4) + [{
'start': 600001,
'end': None,
'reward': 10000
}],
'minutes_per_block':
1.0,
'full_cap':
None,
},
'services': {
'current_price': [Bittrex, Poloniex, Cryptonator, ChainSo, BTER],
'address_balance': [
BlockCypher, ChainSo, DogeChainInfo, ProHashing,
HolyTransaction, Bcoin