def read_blockhash(blockhash):
prev = None
nxt = None
try:
b = Block.get(Block.hash == blockhash)
if b.height > 0:
prev = Block.get(Block.height == b.height - 1)
except Block.DoesNotExist:
return HTMLResponse(status_code=404)
try:
nxt = Block.get(Block.height == b.height + 1, Block.orphaned == False)
except Block.DoesNotExist:
pass
txs = list(
Transaction.select().where(Transaction.block == b.hash).execute())
txs = list(
map(
lambda tx: {
'txid': tx.txid,
'timestamp': int(tx.timestamp.timestamp()),
'addresses_in': tx.addresses_in,
'addresses_out': tx.addresses_out
}, txs))
def func(a):
return 1 if 'null' in a['addresses_in'] else 0
txs.sort(key=func, reverse=True)
pool = None
cb = bytes(b.coinbase)
for key, value in POOLS.items():
if cb.find(key.encode()) != -1:
pool = value
res = {
'height': b.height,
'hash': b.hash,
'timestamp': int(b.timestamp.timestamp()),
'merkleroot': b.merkle_root,
'txs': txs,
'difficulty': b.difficulty,
'size': b.size,
'version_hex': bytes(b.version).hex(),
'version': struct.unpack('i', bytes(b.version))[0],
'bits': bytes(b.bits).hex(),
'nonce': b.nonce,
'pool': pool,
}
if prev:
res['previousblockhash'] = prev.hash
if nxt:
res['nextblockhash'] = nxt.hash
return res
def read_block_txs(block : str):
try:
b = Block.get(Block.hash == block)
except Block.DoesNotExist:
return HTMLResponse(status_code=404)
res = {
'txs': []
}
txs = Transaction.select().where(Transaction.txid.in_(b.tx))
block = get_latest_block()
for tx in txs:
is_coinbase = (len(tx.vin) == 0)
res['txs'].append({
'blockhash': b.hash,
'blockheight': b.height,
'blocktime': int(b.timestamp.timestamp()),
'confirmations': get_confirmations(b.height, block=block),
'isCoinBase': is_coinbase,
'txid': tx.txid,
'valueOut': tx.output_value,
'vin': tx.vin,
'vout': tx.vout,
})
return res