def __init__(self, config, store_conn):
"""Creates a new wallet given a configuration <config>
"""
self.store_conn = store_conn # hackish!
self.testnet = config.get('testnet', False)
self.init_blockchain_state(config)
self.init_tx_db(config)
self.init_utxo_fetcher(config)
self.ccc = ColoredCoinContext(config, self.blockchain_state)
self.ass_def_man = AssetDefinitionManager(self.ccc.colormap, config)
self.init_wallet_address_manager(config)
self.coin_query_factory = CoinQueryFactory(self, config)
self.coin_man = CoinManager(self, config)
self.tx_spec_transformer = TransactionSpecTransformer(self, config)
self.tx_history = TxHistory(self)
def __init__(self, config, store_conn):
"""Creates a new wallet given a configuration <config>
"""
self.store_conn = store_conn # hackish!
self.ccc = ColoredCoinContext(config)
self.ass_def_man = AssetDefinitionManager(self.ccc.colormap, config)
if config.get('bip0032'):
from bip0032 import HDWalletAddressManager
self.address_man = HDWalletAddressManager(self.ccc.colormap,
config)
else:
from deterministic import DWalletAddressManager
self.address_man = DWalletAddressManager(self.ccc.colormap, config)
self.coin_query_factory = CoinQueryFactory(self, config)
self.utxo_man = UTXOManager(self, config)
self.txdb = TxDb(self, config)
self.testnet = config.get('testnet', False)
self.tx_spec_transformer = TransactionSpecTransformer(self, config)
def __init__(self, config, store_conn):
"""Creates a new wallet given a configuration <config>
"""
self.store_conn = store_conn # hackish!
self.testnet = config.get('testnet', False)
self.init_blockchain_state(config)
self.init_tx_db(config)
self.init_utxo_fetcher(config)
self.ccc = ColoredCoinContext(config,
self.blockchain_state)
self.ass_def_man = AssetDefinitionManager(self.ccc.colormap, config)
self.init_wallet_address_manager(config)
self.coin_query_factory = CoinQueryFactory(self, config)
self.coin_man = CoinManager(self, config)
self.tx_spec_transformer = TransactionSpecTransformer(self, config)
self.tx_history = TxHistory(self)
def __init__(self, config, store_conn):
"""Creates a new wallet given a configuration <config>
"""
self.store_conn = store_conn # hackish!
self.ccc = ColoredCoinContext(config)
self.ass_def_man = AssetDefinitionManager(self.ccc.colormap, config)
if config.get('bip0032'):
from bip0032 import HDWalletAddressManager
self.address_man = HDWalletAddressManager(self.ccc.colormap, config)
else:
from deterministic import DWalletAddressManager
self.address_man = DWalletAddressManager(self.ccc.colormap, config)
self.coin_query_factory = CoinQueryFactory(self, config)
self.utxo_man = UTXOManager(self, config)
self.txdb = TxDb(self, config)
self.testnet = config.get('testnet', False)
self.tx_spec_transformer = TransactionSpecTransformer(self, config)
class WalletModel(object):
"""Represents a colored-coin wallet
"""
def __init__(self, config, store_conn):
"""Creates a new wallet given a configuration <config>
"""
self.store_conn = store_conn # hackish!
self.testnet = config.get('testnet', False)
self.init_blockchain_state(config)
self.init_tx_db(config)
self.init_utxo_fetcher(config)
self.ccc = ColoredCoinContext(config,
self.blockchain_state)
self.ass_def_man = AssetDefinitionManager(self.ccc.colormap, config)
self.init_wallet_address_manager(config)
self.coin_query_factory = CoinQueryFactory(self, config)
self.coin_man = CoinManager(self, config)
self.tx_spec_transformer = TransactionSpecTransformer(self, config)
self.tx_history = TxHistory(self)
def init_wallet_address_manager(self, config):
if config.get('bip0032'):
from bip0032 import HDWalletAddressManager
self.address_man = HDWalletAddressManager(self.ccc.colormap, config)
else:
from deterministic import DWalletAddressManager
self.address_man = DWalletAddressManager(self.ccc.colormap, config)
def init_tx_db(self, config):
if self.testnet:
self.txdb = NaiveTxDb(self, config)
else:
#hb_interface = HelloBlockInterface(self.testnet)
#self.txdb = TrustingTxDb(self, config,
# hb_interface.get_tx_confirmations)
self.txdb = VerifiedTxDb(self, config)
def init_utxo_fetcher(self, config):
self.utxo_fetcher = SimpleUTXOFetcher(
self, config.get('utxo_fetcher', {}))
def init_blockchain_state(self, config):
thin = config.get('thin', True)
if thin and not config.get('use_bitcoind', False):
chromanode_url = config.get('chromanode_url', None)
if not chromanode_url:
if self.testnet:
chromanode_url = "http://chromanode-tn.bitcontracts.org"
else:
chromanode_url = "http://chromanode.bitcontracts.org"
self.blockchain_state = ChromaBlockchainState(
chromanode_url,
self.testnet)
else:
self.blockchain_state = BlockchainState.from_url(
None, self.testnet)
if not thin and not self.testnet:
try:
# try fetching transaction from the second block of
# the bitcoin blockchain to see whether txindex works
self.blockchain_state.bitcoind.getrawtransaction(
"9b0fc92260312ce44e74ef369f5c66bbb85848f2eddd5"
"a7a1cde251e54ccfdd5")
except Exception as e:
# use Electrum to request transactions
self.blockchain_state = EnhancedBlockchainState(
"electrum.cafebitcoin.com", 50001)
def get_blockchain_state(self):
return self.blockchain_state
def get_tx_db(self):
"""Access method for transaction data store.
"""
return self.txdb
def is_testnet(self):
"""Returns True if testnet mode is enabled.
"""
return self.testnet
def transform_tx_spec(self, tx_spec, target_spec_kind):
"""Pass-through for TransactionSpecTransformer's transform
"""
return self.tx_spec_transformer.transform(tx_spec, target_spec_kind)
def get_coin_query_factory(self):
"""Access Method for CoinQueryFactory
"""
return self.coin_query_factory
def make_coin_query(self, params):
"""Pass-through for CoinQueryFactory's make_query
"""
return self.coin_query_factory.make_query(params)
def get_asset_definition_manager(self):
"""Access Method for asset definition manager
"""
return self.ass_def_man
def get_address_manager(self):
"""Access method for address manager
"""
return self.address_man
def get_coin_manager(self):
"""Access method for coin manager
"""
return self.coin_man
def get_history_for_asset(self, asset):
"""Returns the history of how an address got its coins.
"""
history = []
address_lookup = {
a.get_address(): 1 for a in
self.address_man.get_addresses_for_color_set(
asset.get_color_set())}
for color in asset.color_set.color_id_set:
colordef = self.get_color_def(color)
color_transactions = self.ccc.cdstore.get_all(color)
transaction_lookup = {}
color_record = defaultdict(list)
for row in color_transactions:
txhash, outindex, colorvalue, other = row
mempool = False
if not transaction_lookup.get(txhash):
tx = self.ccc.blockchain_state.get_tx(txhash)
blockhash, x = self.ccc.blockchain_state.get_tx_blockhash(
txhash)
if blockhash:
height = self.ccc.blockchain_state.get_block_height(
blockhash)
else:
height = -1
mempool = True
transaction_lookup[txhash] = (tx, height)
tx, height = transaction_lookup[txhash]
output = tx.outputs[outindex]
address = self.ccc.raw_to_address(output.raw_address)
if address_lookup.get(address):
color_record[txhash].append({
'txhash': txhash,
'address': address,
'value': colorvalue,
'height': height,
'outindex': outindex,
'inindex': -1,
'mempool': mempool,
})
# check the inputs
seen_hashes = {}
for txhash, tup in transaction_lookup.items():
tx, height = tup
mempool = height == -1
for input_index, input in enumerate(tx.inputs):
inhash = input.prevout.hash
in_outindex = input.prevout.n
intx = self.ccc.blockchain_state.get_tx(inhash)
in_raw = intx.outputs[in_outindex]
address = self.ccc.raw_to_address(in_raw.raw_address)
# find the transaction that corresponds to this input
transaction = color_record.get(inhash)
if not transaction:
continue
# find the output transaction corresponding to this input
# index and record it as being spent
for item in transaction:
if item['outindex'] == in_outindex:
color_record[txhash].append({
'txhash': txhash,
'address': address,
'value': -item['value'],
'height': height,
'inindex': input_index,
'outindex': -1,
'mempool': mempool,
})
break
for txhash, color_record_transaction in color_record.items():
for item in color_record_transaction:
value = item['value']
if value < 0:
item['action'] = 'sent'
item['value'] = -int(value)
elif txhash == colordef.genesis['txhash']:
item['action'] = 'issued'
item['value'] = int(value)
else:
item['action'] = 'received'
item['value'] = int(value)
history.append(item)
def dependent_txs(txhash):
"""all transactions from current block this transaction
directly depends on"""
dependent_txhashes = []
tx, height = transaction_lookup[txhash]
for inp in tx.inputs:
if inp.prevout.hash in transaction_lookup:
dependent_txhashes.append(inp.prevout.hash)
return dependent_txhashes
sorted_txhash_list = toposorted(transaction_lookup.keys(),
dependent_txs)
txhash_position = {txhash:i for i, txhash
in enumerate(sorted_txhash_list)}
def compare(a,b):
"""order in which we get back the history
#1 - whether or not it's a mempool transaction
#2 - height of the block the transaction is in
#3 - whatever transaction is least dependent within a block
#4 - whether we're sending or receiving
#4 - outindex within a transaction/inindex within a transaction
"""
return a['mempool'] - b['mempool'] \
or a['height'] - b['height'] \
or txhash_position[a['txhash']] - txhash_position[b['txhash']] \
or a['outindex'] - b['outindex'] \
or a['inindex'] - b['inindex']
return sorted(history, cmp=compare)
def get_coin_manager(self):
return self.coin_man
def get_color_map(self):
"""Access method for ColoredCoinContext's colormap
"""
return self.ccc.colormap
def get_color_def(self, color):
return self.ccc.colormap.get_color_def(color)
class WalletModel(object):
"""Represents a colored-coin wallet
"""
def __init__(self, config, store_conn):
"""Creates a new wallet given a configuration <config>
"""
self.store_conn = store_conn # hackish!
self.testnet = config.get('testnet', False)
self.ccc = ColoredCoinContext(config)
self.ass_def_man = AssetDefinitionManager(self.ccc.colormap, config)
if config.get('bip0032'):
from bip0032 import HDWalletAddressManager
self.address_man = HDWalletAddressManager(self.ccc.colormap, config)
else:
from deterministic import DWalletAddressManager
self.address_man = DWalletAddressManager(self.ccc.colormap, config)
self.coin_query_factory = CoinQueryFactory(self, config)
self.coin_man = CoinManager(self, config)
self.utxo_fetcher = UTXOFetcher(self, config)
self.txdb = TxDb(self, config)
self.tx_spec_transformer = TransactionSpecTransformer(self, config)
def get_tx_db(self):
"""Access method for transaction data store.
"""
return self.txdb
def is_testnet(self):
"""Returns True if testnet mode is enabled.
"""
return self.testnet
def transform_tx_spec(self, tx_spec, target_spec_kind):
"""Pass-through for TransactionSpecTransformer's transform
"""
return self.tx_spec_transformer.transform(tx_spec, target_spec_kind)
def get_coin_query_factory(self):
"""Access Method for CoinQueryFactory
"""
return self.coin_query_factory
def make_coin_query(self, params):
"""Pass-through for CoinQueryFactory's make_query
"""
return self.coin_query_factory.make_query(params)
def get_asset_definition_manager(self):
"""Access Method for asset definition manager
"""
return self.ass_def_man
def get_address_manager(self):
"""Access method for address manager
"""
return self.address_man
def get_history_for_asset(self, asset):
"""Returns the history of how an address got its coins.
"""
history = []
address_lookup = {
a.get_address(): 1 for a in
self.address_man.get_addresses_for_color_set(
asset.get_color_set())}
for color in asset.color_set.color_id_set:
colordef = self.get_color_def(color)
color_transactions = self.ccc.cdstore.get_all(color)
transaction_lookup = {}
color_record = defaultdict(list)
for row in color_transactions:
txhash, outindex, colorvalue, other = row
mempool = False
if not transaction_lookup.get(txhash):
tx = self.ccc.blockchain_state.get_tx(txhash)
blockhash, x = self.ccc.blockchain_state.get_tx_blockhash(
txhash)
if blockhash:
height = self.ccc.blockchain_state.get_block_height(
blockhash)
else:
height = -1
mempool = True
transaction_lookup[txhash] = (tx, height)
tx, height = transaction_lookup[txhash]
output = tx.outputs[outindex]
address = self.ccc.raw_to_address(output.raw_address)
if address_lookup.get(address):
color_record[txhash].append({
'txhash': txhash,
'address': address,
'value': colorvalue,
'height': height,
'outindex': outindex,
'inindex': -1,
'mempool': mempool,
})
# check the inputs
seen_hashes = {}
for txhash, tup in transaction_lookup.items():
tx, height = tup
mempool = height == -1
for input_index, input in enumerate(tx.inputs):
inhash = input.prevout.hash
in_outindex = input.prevout.n
intx = self.ccc.blockchain_state.get_tx(inhash)
in_raw = intx.outputs[in_outindex]
address = self.ccc.raw_to_address(in_raw.raw_address)
# find the transaction that corresponds to this input
transaction = color_record.get(inhash)
if not transaction:
continue
# find the output transaction corresponding to this input
# index and record it as being spent
for item in transaction:
if item['outindex'] == in_outindex:
color_record[txhash].append({
'txhash': txhash,
'address': address,
'value': -item['value'],
'height': height,
'inindex': input_index,
'outindex': -1,
'mempool': mempool,
})
break
for txhash, color_record_transaction in color_record.items():
for item in color_record_transaction:
value = item['value']
if value < 0:
item['action'] = 'sent'
item['value'] = -int(value)
elif txhash == colordef.genesis['txhash']:
item['action'] = 'issued'
item['value'] = int(value)
else:
item['action'] = 'received'
item['value'] = int(value)
history.append(item)
def dependent_txs(txhash):
"""all transactions from current block this transaction
directly depends on"""
dependent_txhashes = []
tx, height = transaction_lookup[txhash]
for inp in tx.inputs:
if inp.prevout.hash in transaction_lookup:
dependent_txhashes.append(inp.prevout.hash)
return dependent_txhashes
sorted_txhash_list = toposorted(transaction_lookup.keys(),
dependent_txs)
txhash_position = {txhash:i for i, txhash
in enumerate(sorted_txhash_list)}
def compare(a,b):
"""order in which we get back the history
#1 - whether or not it's a mempool transaction
#2 - height of the block the transaction is in
#3 - whatever transaction is least dependent within a block
#4 - whether we're sending or receiving
#4 - outindex within a transaction/inindex within a transaction
"""
return a['mempool'] - b['mempool'] \
or a['height'] - b['height'] \
or txhash_position[a['txhash']] - txhash_position[b['txhash']] \
or a['outindex'] - b['outindex'] \
or a['inindex'] - b['inindex']
return sorted(history, cmp=compare)
def get_coin_manager(self):
return self.coin_man
def get_color_map(self):
"""Access method for ColoredCoinContext's colormap
"""
return self.ccc.colormap
def get_color_def(self, color):
return self.ccc.colormap.get_color_def(color)
class WalletModel(object):
"""Represents a colored-coin wallet
"""
def __init__(self, config, store_conn):
"""Creates a new wallet given a configuration <config>
"""
self.store_conn = store_conn # hackish!
self.testnet = config.get('testnet', False)
self.init_blockchain_state(config)
self.init_tx_db(config)
self.init_utxo_fetcher(config)
self.ccc = ColoredCoinContext(config,
self.blockchain_state)
self.ass_def_man = AssetDefinitionManager(self.ccc.colormap, config)
self.init_wallet_address_manager(config)
self.coin_query_factory = CoinQueryFactory(self, config)
self.coin_man = CoinManager(self, config)
self.tx_spec_transformer = TransactionSpecTransformer(self, config)
self.tx_history = TxHistory(self)
def init_wallet_address_manager(self, config):
if config.get('bip0032'):
from bip0032 import HDWalletAddressManager
self.address_man = HDWalletAddressManager(self.ccc.colormap, config)
else:
from deterministic import DWalletAddressManager
self.address_man = DWalletAddressManager(self.ccc.colormap, config)
def init_tx_db(self, config):
if self.testnet:
self.txdb = NaiveTxDb(self, config)
else:
#hb_interface = HelloBlockInterface(self.testnet)
#self.txdb = TrustingTxDb(self, config,
# hb_interface.get_tx_confirmations)
self.txdb = VerifiedTxDb(self, config)
def init_utxo_fetcher(self, config):
self.utxo_fetcher = SimpleUTXOFetcher(
self, config.get('utxo_fetcher', {}))
def init_blockchain_state(self, config):
thin = config.get('thin', True)
if thin and not config.get('use_bitcoind', False):
chromanode_url = config.get('chromanode_url', None)
if not chromanode_url:
if self.testnet:
chromanode_url = "http://chromanode-tn.bitcontracts.org"
else:
chromanode_url = "http://chromanode.bitcontracts.org"
self.blockchain_state = ChromaBlockchainState(
chromanode_url,
self.testnet)
else:
self.blockchain_state = BlockchainState.from_url(
None, self.testnet)
if not thin and not self.testnet:
try:
# try fetching transaction from the second block of
# the bitcoin blockchain to see whether txindex works
self.blockchain_state.bitcoind.getrawtransaction(
"9b0fc92260312ce44e74ef369f5c66bbb85848f2eddd5"
"a7a1cde251e54ccfdd5")
except Exception as e:
# use Electrum to request transactions
self.blockchain_state = EnhancedBlockchainState(
"electrum.cafebitcoin.com", 50001)
def get_blockchain_state(self):
return self.blockchain_state
def get_tx_db(self):
"""Access method for transaction data store.
"""
return self.txdb
def is_testnet(self):
"""Returns True if testnet mode is enabled.
"""
return self.testnet
def transform_tx_spec(self, tx_spec, target_spec_kind):
"""Pass-through for TransactionSpecTransformer's transform
"""
return self.tx_spec_transformer.transform(tx_spec, target_spec_kind)
def get_coin_query_factory(self):
"""Access Method for CoinQueryFactory
"""
return self.coin_query_factory
def make_coin_query(self, params):
"""Pass-through for CoinQueryFactory's make_query
"""
return self.coin_query_factory.make_query(params)
def get_asset_definition_manager(self):
"""Access Method for asset definition manager
"""
return self.ass_def_man
def get_address_manager(self):
"""Access method for address manager
"""
return self.address_man
def get_coin_manager(self):
"""Access method for coin manager
"""
return self.coin_man
def get_history_for_asset(self, asset):
"""Returns the history of how an address got its coins.
"""
history = []
address_lookup = {
a.get_address(): 1 for a in
self.address_man.get_addresses_for_color_set(
asset.get_color_set())}
for color in asset.color_set.color_id_set:
colordef = self.get_color_def(color)
color_transactions = self.ccc.cdstore.get_all(color)
transaction_lookup = {}
color_record = defaultdict(list)
for row in color_transactions:
txhash, outindex, colorvalue, other = row
mempool = False
if not transaction_lookup.get(txhash):
tx = self.ccc.blockchain_state.get_tx(txhash)
blockhash, x = self.ccc.blockchain_state.get_tx_blockhash(
txhash)
if blockhash:
height = self.ccc.blockchain_state.get_block_height(
blockhash)
else:
height = -1
mempool = True
transaction_lookup[txhash] = (tx, height)
tx, height = transaction_lookup[txhash]
output = tx.outputs[outindex]
address = self.ccc.raw_to_address(output.raw_address)
if address_lookup.get(address):
color_record[txhash].append({
'txhash': txhash,
'address': address,
'value': colorvalue,
'height': height,
'outindex': outindex,
'inindex': -1,
'mempool': mempool,
})
# check the inputs
seen_hashes = {}
for txhash, tup in transaction_lookup.items():
tx, height = tup
mempool = height == -1
for input_index, input in enumerate(tx.inputs):
inhash = input.prevout.hash
in_outindex = input.prevout.n
intx = self.ccc.blockchain_state.get_tx(inhash)
in_raw = intx.outputs[in_outindex]
address = self.ccc.raw_to_address(in_raw.raw_address)
# find the transaction that corresponds to this input
transaction = color_record.get(inhash)
if not transaction:
continue
# find the output transaction corresponding to this input
# index and record it as being spent
for item in transaction:
if item['outindex'] == in_outindex:
color_record[txhash].append({
'txhash': txhash,
'address': address,
'value': -item['value'],
'height': height,
'inindex': input_index,
'outindex': -1,
'mempool': mempool,
})
break
for txhash, color_record_transaction in color_record.items():
for item in color_record_transaction:
value = item['value']
if value < 0:
item['action'] = 'sent'
item['value'] = -int(value)
elif txhash == colordef.genesis['txhash']:
item['action'] = 'issued'
item['value'] = int(value)
else:
item['action'] = 'received'
item['value'] = int(value)
history.append(item)
def dependent_txs(txhash):
"""all transactions from current block this transaction
directly depends on"""
dependent_txhashes = []
tx, height = transaction_lookup[txhash]
for inp in tx.inputs:
if inp.prevout.hash in transaction_lookup:
dependent_txhashes.append(inp.prevout.hash)
return dependent_txhashes
sorted_txhash_list = toposorted(transaction_lookup.keys(),
dependent_txs)
txhash_position = {txhash:i for i, txhash
in enumerate(sorted_txhash_list)}
def compare(a,b):
"""order in which we get back the history
#1 - whether or not it's a mempool transaction
#2 - height of the block the transaction is in
#3 - whatever transaction is least dependent within a block
#4 - whether we're sending or receiving
#4 - outindex within a transaction/inindex within a transaction
"""
return a['mempool'] - b['mempool'] \
or a['height'] - b['height'] \
or txhash_position[a['txhash']] - txhash_position[b['txhash']] \
or a['outindex'] - b['outindex'] \
or a['inindex'] - b['inindex']
return sorted(history, cmp=compare)
def get_coin_manager(self):
return self.coin_man
def get_color_map(self):
"""Access method for ColoredCoinContext's colormap
"""
return self.ccc.colormap
def get_color_def(self, color):
return self.ccc.colormap.get_color_def(color)
def validate_address(self, address):
netcodes = ['XTN'] if self.testnet else ['BTC']
return bool(is_address_valid(address, allowable_netcodes=netcodes))
class WalletModel(object):
"""Represents a colored-coin wallet
"""
def __init__(self, config, store_conn):
"""Creates a new wallet given a configuration <config>
"""
self.store_conn = store_conn # hackish!
self.ccc = ColoredCoinContext(config)
self.ass_def_man = AssetDefinitionManager(self.ccc.colormap, config)
if config.get('bip0032'):
from bip0032 import HDWalletAddressManager
self.address_man = HDWalletAddressManager(self.ccc.colormap,
config)
else:
from deterministic import DWalletAddressManager
self.address_man = DWalletAddressManager(self.ccc.colormap, config)
self.coin_query_factory = CoinQueryFactory(self, config)
self.utxo_man = UTXOManager(self, config)
self.txdb = TxDb(self, config)
self.testnet = config.get('testnet', False)
self.tx_spec_transformer = TransactionSpecTransformer(self, config)
def get_tx_db(self):
"""Access method for transaction data store.
"""
return self.txdb
def is_testnet(self):
"""Returns True if testnet mode is enabled.
"""
return self.testnet
def transform_tx_spec(self, tx_spec, target_spec_kind):
"""Pass-through for TransactionSpecTransformer's transform
"""
return self.tx_spec_transformer.transform(tx_spec, target_spec_kind)
def get_coin_query_factory(self):
"""Access Method for CoinQueryFactory
"""
return self.coin_query_factory
def make_coin_query(self, params):
"""Pass-through for CoinQueryFactory's make_query
"""
return self.coin_query_factory.make_query(params)
def get_asset_definition_manager(self):
"""Access Method for asset definition manager
"""
return self.ass_def_man
def get_address_manager(self):
"""Access method for address manager
"""
return self.address_man
def get_history_for_asset(self, asset):
"""Returns the history of how an address got its coins.
"""
history = []
address_lookup = {
a.get_address(): 1
for a in self.address_man.get_addresses_for_color_set(
asset.get_color_set())
}
for color in asset.color_set.color_id_set:
colordef = self.get_color_def(color)
color_transactions = self.ccc.cdstore.get_all(color)
transaction_lookup = {}
color_record = defaultdict(list)
for row in color_transactions:
txhash, outindex, colorvalue, other = row
mempool = False
if not transaction_lookup.get(txhash):
tx = self.ccc.blockchain_state.get_tx(txhash)
blockhash, x = self.ccc.blockchain_state.get_tx_blockhash(
txhash)
if blockhash:
height = self.ccc.blockchain_state.get_block_height(
blockhash)
else:
height = -1
mempool = True
transaction_lookup[txhash] = (tx, height)
tx, height = transaction_lookup[txhash]
output = tx.outputs[outindex]
address = self.ccc.raw_to_address(output.raw_address)
if address_lookup.get(address):
color_record[txhash].append({
'txhash': txhash,
'address': address,
'value': colorvalue,
'height': height,
'outindex': outindex,
'inindex': -1,
'mempool': mempool,
})
# check the inputs
seen_hashes = {}
for txhash, tup in transaction_lookup.items():
tx, height = tup
mempool = height == -1
for input_index, input in enumerate(tx.inputs):
inhash = input.prevout.hash
in_outindex = input.prevout.n
intx = self.ccc.blockchain_state.get_tx(inhash)
in_raw = intx.outputs[in_outindex]
address = self.ccc.raw_to_address(in_raw.raw_address)
# find the transaction that corresponds to this input
transaction = color_record.get(inhash)
if not transaction:
continue
# find the output transaction corresponding to this input
# index and record it as being spent
for item in transaction:
if item['outindex'] == in_outindex:
color_record[txhash].append({
'txhash': txhash,
'address': address,
'value': -item['value'],
'height': height,
'inindex': input_index,
'outindex': -1,
'mempool': mempool,
})
break
for txhash, color_record_transaction in color_record.items():
for item in color_record_transaction:
value = item['value']
if value < 0:
item['action'] = 'sent'
item['value'] = -int(value)
elif txhash == colordef.genesis['txhash']:
item['action'] = 'issued'
item['value'] = int(value)
else:
item['action'] = 'received'
item['value'] = int(value)
history.append(item)
def dependent_txs(txhash):
"""all transactions from current block this transaction
directly depends on"""
dependent_txhashes = []
tx, height = transaction_lookup[txhash]
for inp in tx.inputs:
if inp.prevout.hash in transaction_lookup:
dependent_txhashes.append(inp.prevout.hash)
return dependent_txhashes
sorted_txhash_list = toposorted(transaction_lookup.keys(),
dependent_txs)
txhash_position = {
txhash: i
for i, txhash in enumerate(sorted_txhash_list)
}
def compare(a, b):
"""order in which we get back the history
#1 - whether or not it's a mempool transaction
#2 - height of the block the transaction is in
#3 - whatever transaction is least dependent within a block
#4 - whether we're sending or receiving
#4 - outindex within a transaction/inindex within a transaction
"""
return a['mempool'] - b['mempool'] \
or a['height'] - b['height'] \
or txhash_position[a['txhash']] - txhash_position[b['txhash']] \
or a['outindex'] - b['outindex'] \
or a['inindex'] - b['inindex']
return sorted(history, cmp=compare)
def get_color_map(self):
"""Access method for ColoredCoinContext's colormap
"""
return self.ccc.colormap
def get_color_def(self, color):
return self.ccc.colormap.get_color_def(color)
def get_utxo_manager(self):
"""Access method for Unspent Transaction Out manager.
"""
return self.utxo_man
