def add_metadata(request, coin_symbol):
block_hash = get_latest_block_hash(coin_symbol)
block_overview = get_block_overview(
block_representation=block_hash,
coin_symbol=coin_symbol,
txn_limit=500,
api_key=BLOCKCYPHER_API_KEY,
)
random_tx_hash = choice(block_overview['txids'])
redir_url = reverse(
'add_metadata_to_tx',
kwargs={'coin_symbol': coin_symbol, 'tx_hash': random_tx_hash},
)
msg = _('%(cs_display)s transaction %(tx_hash)s from latest block (%(latest_block_num)s) randomly selected' % {
'cs_display': COIN_SYMBOL_MAPPINGS[coin_symbol]['currency_abbrev'],
'tx_hash': random_tx_hash,
'latest_block_num': intcomma(block_overview['height']),
})
messages.success(request, msg, extra_tags='safe')
return HttpResponseRedirect(redir_url)
def add_metadata(request, coin_symbol):
block_hash = get_latest_block_hash(coin_symbol)
block_overview = get_block_overview(
block_representation=block_hash,
coin_symbol=coin_symbol,
txn_limit=500,
api_key=BLOCKCYPHER_API_KEY,
)
random_tx_hash = choice(block_overview['txids'])
redir_url = reverse(
'add_metadata_to_tx',
kwargs={'coin_symbol': coin_symbol, 'tx_hash': random_tx_hash},
)
msg = _('%(cs_display)s transaction %(tx_hash)s from latest block (%(latest_block_num)s) randomly selected' % {
'cs_display': COIN_SYMBOL_MAPPINGS[coin_symbol]['currency_abbrev'],
'tx_hash': random_tx_hash,
'latest_block_num': intcomma(block_overview['height']),
})
messages.success(request, msg, extra_tags='safe')
return HttpResponseRedirect(redir_url)
def block_ordered_tx(request, coin_symbol, block_num, tx_num):
block_overview = get_block_overview(
block_representation=block_num,
coin_symbol=coin_symbol,
txn_limit=1,
txn_offset=int(tx_num),
api_key=BLOCKCYPHER_API_KEY,
)
txids = block_overview.get('txids')
if txids:
tx_hash = txids[0]
msg = _(
'This is transaction <strong>%(tx_num)s</strong> in block <strong>%(block_num)s</strong> (<a href="%(permalink)s">permalink</a>).'
% {
'tx_num':
tx_num,
'block_num':
block_num,
'permalink':
reverse('block_ordered_tx',
kwargs={
'coin_symbol': coin_symbol,
'block_num': block_num,
'tx_num': tx_num,
}),
})
messages.info(request, msg, extra_tags='safe')
kwargs = {
'coin_symbol': coin_symbol,
'tx_hash': tx_hash,
}
redir_uri = reverse('transaction_overview',
kwargs=kwargs) + '#advanced-details'
return HttpResponseRedirect(redir_uri)
else:
msg = _(
'Sorry, block <strong>%(block_num)s</strong> only has <strong>%(n_tx)s</strong> transactions'
% {
'block_num': block_num,
'n_tx': block_overview['n_tx'],
})
messages.warning(request, msg, extra_tags='safe')
kwargs = {
'coin_symbol': coin_symbol,
'block_representation': block_num,
}
return HttpResponseRedirect(reverse('block_overview', kwargs=kwargs))
def block_ordered_tx(request, coin_symbol, block_num, tx_num):
block_overview = get_block_overview(
block_representation=block_num,
coin_symbol=coin_symbol,
txn_limit=1,
txn_offset=int(tx_num),
api_key=BLOCKCYPHER_API_KEY,
)
txids = block_overview.get('txids')
if txids:
tx_hash = txids[0]
msg = _('This is transaction <strong>%(tx_num)s</strong> in block <strong>%(block_num)s</strong> (<a href="%(permalink)s">permalink</a>).' % {
'tx_num': tx_num,
'block_num': block_num,
'permalink': reverse('block_ordered_tx', kwargs={
'coin_symbol': coin_symbol,
'block_num': block_num,
'tx_num': tx_num,
}),
})
messages.info(request, msg, extra_tags='safe')
kwargs = {
'coin_symbol': coin_symbol,
'tx_hash': tx_hash,
}
redir_uri = reverse('transaction_overview', kwargs=kwargs) + '#show-advanced'
return HttpResponseRedirect(redir_uri)
else:
msg = _('Sorry, block <strong>%(block_num)s</strong> only has <strong>%(n_tx)s</strong> transactions' % {
'block_num': block_num,
'n_tx': block_overview['n_tx'],
})
messages.warning(request, msg, extra_tags='safe')
kwargs = {
'coin_symbol': coin_symbol,
'block_representation': block_num,
}
return HttpResponseRedirect(reverse('block_overview', kwargs=kwargs))
def coin_overview(request, coin_symbol):
initial = {
'coin_symbol': coin_symbol,
'search_string': COIN_SYMBOL_MAPPINGS[coin_symbol]['example_address']
}
form = SearchForm(initial=initial)
latest_bh = get_latest_block_height(coin_symbol=coin_symbol,
api_key=BLOCKCYPHER_API_KEY)
recent_blocks = [
get_block_overview(block_height,
coin_symbol=coin_symbol,
txn_limit=1,
api_key=BLOCKCYPHER_API_KEY)
for block_height in reversed(range(latest_bh - 3, latest_bh + 1))
]
#import pprint; pprint.pprint(recent_blocks, width=1)
recent_txs = get_broadcast_transactions(coin_symbol=coin_symbol,
api_key=BLOCKCYPHER_API_KEY,
limit=10)
recent_txs_filtered = []
tx_hashes_seen = set([])
for recent_tx in recent_txs:
if recent_tx['hash'] in tx_hashes_seen:
continue
else:
tx_hashes_seen.add(recent_tx['hash'])
recent_txs_filtered.append(recent_tx)
# sort recent txs by order (they're not always returning in order)
recent_txs_filtered = sorted(recent_txs_filtered,
key=itemgetter('received'),
reverse=True)
return {
'coin_symbol': coin_symbol,
'form': form,
'recent_blocks': recent_blocks,
'recent_txs': recent_txs_filtered,
'BLOCKCYPHER_PUBLIC_KEY': BLOCKCYPHER_PUBLIC_KEY,
}
def coin_overview(request, coin_symbol):
initial = {
'coin_symbol': coin_symbol,
'search_string': COIN_SYMBOL_MAPPINGS[coin_symbol]['example_address']
}
form = SearchForm(initial=initial)
latest_bh = get_latest_block_height(coin_symbol=coin_symbol, api_key=BLOCKCYPHER_API_KEY)
recent_blocks = [get_block_overview(block_height, coin_symbol=coin_symbol, txn_limit=1, api_key=BLOCKCYPHER_API_KEY) for block_height in reversed(range(latest_bh-3, latest_bh+1))]
#import pprint; pprint.pprint(recent_blocks, width=1)
recent_txs = get_broadcast_transactions(coin_symbol=coin_symbol,
api_key=BLOCKCYPHER_API_KEY,
limit=10)
recent_txs_filtered = []
tx_hashes_seen = set([])
for recent_tx in recent_txs:
if recent_tx['hash'] in tx_hashes_seen:
continue
else:
tx_hashes_seen.add(recent_tx['hash'])
recent_txs_filtered.append(recent_tx)
# sort recent txs by order (they're not always returning in order)
recent_txs_filtered = sorted(recent_txs_filtered, key=itemgetter('received'), reverse=True)
return {
'coin_symbol': coin_symbol,
'form': form,
'recent_blocks': recent_blocks,
'recent_txs': recent_txs_filtered,
'BLOCKCYPHER_PUBLIC_KEY': BLOCKCYPHER_PUBLIC_KEY,
}
def home(request):
form = SearchForm(
initial={
'search_string': '16Fg2yjwrbtC6fZp61EV9mNVKmwCzGasw5',
'coin_symbol': 'btc',
})
if request.method == 'POST':
form = SearchForm(data=request.POST)
if form.is_valid():
redirect_url = None
search_string = form.cleaned_data['search_string']
coin_symbol = form.cleaned_data['coin_symbol']
kwargs = {'coin_symbol': coin_symbol}
if is_valid_block_num(search_string):
kwargs['block_representation'] = search_string
redirect_url = reverse('block_overview', kwargs=kwargs)
elif is_valid_hash(search_string):
if coin_symbol in SHA_COINS:
if is_valid_sha_block_hash(search_string):
kwargs['block_representation'] = search_string
redirect_url = reverse('block_overview', kwargs=kwargs)
else:
kwargs['tx_hash'] = search_string
redirect_url = reverse('transaction_overview',
kwargs=kwargs)
elif coin_symbol in SCRYPT_COINS:
# Try to see if it's a valid TX hash
tx_details = get_transaction_details(
tx_hash=search_string,
coin_symbol=coin_symbol,
limit=1,
api_key=BLOCKCYPHER_API_KEY,
)
if 'error' in tx_details:
# Not a valid TX hash, see if it's a block hash by checking blockchain
block_details = get_block_overview(
block_representation=search_string,
coin_symbol=coin_symbol,
txn_limit=1,
api_key=BLOCKCYPHER_API_KEY,
)
if 'error' in block_details:
msg = _(
"Sorry, '%(search_string)s' is not a valid transaction or block hash for %(currency)s"
% {
'currency': coin_symbol,
'search_string': search_string,
})
messages.error(request, msg)
else:
kwargs['block_representation'] = search_string
redirect_url = reverse('block_overview',
kwargs=kwargs)
else:
kwargs['tx_hash'] = search_string
redirect_url = reverse('transaction_overview',
kwargs=kwargs)
elif is_valid_address(search_string):
# It's an address
kwargs['address'] = search_string
first_char = search_string[0]
# Override coin_symbol if we can infer it from the blockchain
# There is now generic constants in the python library (constants.py)
# Not migrating because this is custom (those constants have overlap/ambiguity)
if first_char in ('1', ):
# Do not force addresses starting with 3 to be BTC because that's also used by LTC
kwargs['coin_symbol'] = 'btc'
elif first_char in ('m', 'n', '2'):
# Note that addresses starting in 2 can be LTC testnet, but since we don't support that it's okay to include
kwargs['coin_symbol'] = 'btc-testnet'
elif first_char in ('9', 'A'):
kwargs['coin_symbol'] = 'doge'
elif first_char in ('L', ):
# Do not force addresses starting with 3 to be LTC because that's also used by BTC
kwargs['coin_symbol'] = 'ltc'
elif first_char in ('B', 'C'):
kwargs['coin_symbol'] = 'bcy'
redirect_url = reverse('address_overview', kwargs=kwargs)
elif is_valid_wallet_name(search_string):
addr = lookup_wallet_name(search_string, kwargs['coin_symbol'])
if addr:
kwargs['address'] = addr
kwargs['wallet_name'] = search_string
redirect_url = reverse('address_overview', kwargs=kwargs)
else:
msg = _("Sorry, that's not a valid wallet name")
messages.error(request, msg)
if redirect_url:
return HttpResponseRedirect(redirect_url)
else:
currency = COIN_SYMBOL_MAPPINGS[
request.POST['coin_symbol']]['display_shortname']
msg = _(
"Sorry, '%(search_string)s' is not a valid %(currency)s address, wallet name, transaction or block"
% {
'currency': currency,
'search_string': request.POST['search_string'],
})
messages.error(request, msg)
return {'is_home': True, 'form': form}
def home(request):
form = SearchForm(initial={
'search_string': '16Fg2yjwrbtC6fZp61EV9mNVKmwCzGasw5',
'coin_symbol': 'btc',
})
if request.method == 'POST':
form = SearchForm(data=request.POST)
if form.is_valid():
redirect_url = None
search_string = form.cleaned_data['search_string']
coin_symbol = form.cleaned_data['coin_symbol']
kwargs = {'coin_symbol': coin_symbol}
if is_valid_block_num(search_string):
kwargs['block_representation'] = search_string
redirect_url = reverse('block_overview', kwargs=kwargs)
elif is_valid_hash(search_string):
if coin_symbol in SHA_COINS:
if is_valid_sha_block_hash(search_string):
kwargs['block_representation'] = search_string
redirect_url = reverse('block_overview', kwargs=kwargs)
else:
kwargs['tx_hash'] = search_string
redirect_url = reverse('transaction_overview', kwargs=kwargs)
elif coin_symbol in SCRYPT_COINS:
# Try to see if it's a valid TX hash
tx_details = get_transaction_details(
tx_hash=search_string,
coin_symbol=coin_symbol,
limit=1,
api_key=BLOCKCYPHER_API_KEY,
)
if 'error' in tx_details:
# Not a valid TX hash, see if it's a block hash by checking blockchain
block_details = get_block_overview(
block_representation=search_string,
coin_symbol=coin_symbol,
txn_limit=1,
api_key=BLOCKCYPHER_API_KEY,
)
if 'error' in block_details:
msg = _("Sorry, that's not a valid transaction or block hash for %(currency)s" % {'currency': coin_symbol})
messages.error(request, msg)
else:
kwargs['block_representation'] = search_string
redirect_url = reverse('block_overview', kwargs=kwargs)
else:
kwargs['tx_hash'] = search_string
redirect_url = reverse('transaction_overview', kwargs=kwargs)
elif is_valid_address(search_string):
# It's an address
kwargs['address'] = search_string
first_char = search_string[0]
# Override coin_symbol if we can infer it from the blockchain
# There is now generic constants in the python library (constants.py)
# Not migrating because this is custom (those constants have overlap/ambiguity)
if first_char in ('1', ):
# Do not force addresses starting with 3 to be BTC because that's also used by LTC
kwargs['coin_symbol'] = 'btc'
elif first_char in ('m', 'n', '2'):
# Note that addresses starting in 2 can be LTC testnet, but since we don't support that it's okay to include
kwargs['coin_symbol'] = 'btc-testnet'
elif first_char in ('9', 'A'):
kwargs['coin_symbol'] = 'doge'
elif first_char in ('L', ):
# Do not force addresses starting with 3 to be LTC because that's also used by BTC
kwargs['coin_symbol'] = 'ltc'
elif first_char in ('U', ):
kwargs['coin_symbol'] = 'uro'
elif first_char in ('B', 'C'):
kwargs['coin_symbol'] = 'bcy'
redirect_url = reverse('address_overview', kwargs=kwargs)
elif is_valid_wallet_name(search_string):
addr = lookup_wallet_name(search_string, kwargs['coin_symbol'])
if addr:
kwargs['address'] = addr
kwargs['wallet_name'] = search_string
redirect_url = reverse('address_overview', kwargs=kwargs)
else:
msg = _("Sorry, that's not a valid wallet name")
messages.error(request, msg)
if redirect_url:
return HttpResponseRedirect(redirect_url)
else:
currency = COIN_SYMBOL_MAPPINGS[request.POST['coin_symbol']]['display_shortname']
msg = _("Sorry, that's not a valid %(currency)s address, wallet name, transaction or block" % {
'currency': currency})
messages.error(request, msg)
return {
'is_home': True,
'form': form
}
