async def chain_info(request):
best_height = builder.best_block.height
best_block = builder.best_block
old_block_height = builder.best_chain[0].height - 1
old_block_hash = hexlify(builder.get_block_hash(old_block_height)).decode()
data = {'best': best_block.getinfo()}
difficulty = dict()
for consensus, ratio in V.BLOCK_CONSENSUSES.items():
name = C.consensus2name[consensus]
target = get_bits_by_hash(previous_hash=best_block.hash, consensus=consensus)[1]
block_time = round(V.BLOCK_TIME_SPAN / ratio * 100)
diff = (MAX_256_INT // target) / 100000000
bias = get_bias_by_hash(previous_hash=best_block.previous_hash, consensus=consensus)
difficulty[name] = {
'number': consensus,
'diff': round(diff / 100000000, 8),
'bias': round(bias, 8),
'fixed_diff': round(diff / bias, 8),
'hashrate(kh/s)': round((MAX_256_INT//target)/block_time/1000, 3),
'is_base': V.BLOCK_BASE_CONSENSUS == consensus,
}
data['mining'] = difficulty
data['size'] = best_block.getsize()
data['checkpoint'] = {'height': old_block_height, 'blockhash': old_block_hash}
data['money_supply'] = GompertzCurve.calc_total_supply(best_height)
data['total_supply'] = GompertzCurve.k
return web_base.json_res(data)
async def chain_info(request):
try:
best_height = chain_builder.best_block.height
best_block = chain_builder.best_block
old_block_height = chain_builder.best_chain[0].height - 1
old_block_hash = chain_builder.get_block_hash(old_block_height).hex()
data = {'best': best_block.getinfo()}
difficulty = dict()
for consensus, ratio in V.BLOCK_CONSENSUSES.items():
name = C.consensus2name[consensus]
bits, target = get_bits_by_hash(previous_hash=best_block.hash,
consensus=consensus)
target = float(target)
block_time = round(V.BLOCK_TIME_SPAN / ratio * 100)
diff = round(DEFAULT_TARGET / target, 8)
bias = get_bias_by_hash(previous_hash=best_block.previous_hash,
consensus=consensus)
difficulty[name] = {
'number':
consensus,
'bits':
bits.to_bytes(4, 'big').hex(),
'diff':
round(diff, 8),
'bias':
round(bias, 8),
'fixed_diff':
round(diff / bias, 8),
'hashrate(kh/s)':
round((MAX_256_FLOAT / target) / block_time / 1000, 3)
}
data['mining'] = difficulty
data['size'] = best_block.size
data['checkpoint'] = {
'height': old_block_height,
'blockhash': old_block_hash
}
data['money_supply'] = GompertzCurve.calc_total_supply(best_height)
data['total_supply'] = GompertzCurve.k
if F_ADD_CASHE_INFO:
data['cashe'] = {
'get_bits_by_hash': str(get_bits_by_hash.cache_info()),
'get_bias_by_hash': str(get_bias_by_hash.cache_info())
}
return utils.json_res(data)
except Exception:
return utils.error_res()
def bias(self):
if not self._bias:
from bc4py.chain.difficulty import get_bias_by_hash # not good?
self._bias = get_bias_by_hash(self.previous_hash, self.flag)
return self._bias