Exemplos de db_delete em Python

Exemplo n.º 1

def delete_block(DB):
    """ Removes the most recent block from the blockchain. """
    if DB['length'] < 0:
        return
    try:
        targets.pop(str(DB['length']))
    except:
        pass
    try:
        times.pop(str(DB['length']))
    except:
        pass
    block = tools.db_get(DB['length'], DB)
    orphans = copy.deepcopy(DB['txs'])
    DB['txs'] = []
    for tx in block['txs']:
        orphans.append(tx)
        DB['add_block'] = False
        transactions.update[tx['type']](tx, DB)
    tools.db_delete(DB['length'], DB)
    DB['length'] -= 1
    if DB['length'] == -1:
        DB['diffLength'] = '0'
    else:
        block = tools.db_get(DB['length'], DB)
        DB['diffLength'] = block['diffLength']
    for orphan in sorted(orphans, key=lambda x: x['count']):
        add_tx(orphan, DB)

Exemplo n.º 2

Arquivo: blockchain.py Projeto: decisions/Truthcoin-POW

def delete_block(DB):
    """ Removes the most recent block from the blockchain. """
    length=tools.db_get('length')
    if length < 0:
        return
    try:
        ts=tools.db_get('targets')
        ts.pop(str(length))
        tools.db_put('targets', ts)
    except:
        pass
    try:
        ts=tools.db_get('times')
        ts.pop(str(length))
        tools.db_put('times', ts)
    except:
        pass
    block = tools.db_get(length, DB)
    orphans = tools.db_get('txs')
    tools.db_put('txs', [])
    for tx in block['txs']:
        orphans.append(tx)
        tools.db_put('add_block', False)
        transactions.update[tx['type']](tx, DB, False)
    tools.db_delete(length, DB)
    length-=1
    tools.db_put('length', length)
    if length == -1:
        tools.db_put('diffLength', '0')
    else:
        block = tools.db_get(length, DB)
        tools.db_put('diffLength', block['diffLength'])
    for orphan in sorted(orphans, key=lambda x: x['count']):
        add_tx(orphan, DB)

Exemplo n.º 3

Arquivo: blockchain.py Projeto: SpaceGoat97/basiccoin

def delete_block(DB):
    """ Removes the most recent block from the blockchain. """
    length = tools.db_get('length')
    if length < 0:
        return
    try:
        ts = tools.db_get('targets')
        ts.pop(str(length))
        tools.db_put('targets', ts)
    except:
        pass
    try:
        ts = tools.db_get('times')
        ts.pop(str(length))
        tools.db_put('times', ts)
    except:
        pass
    block = tools.db_get(length, DB)
    orphans = tools.db_get('txs')
    tools.db_put('txs', [])
    for tx in block['txs']:
        orphans.append(tx)
        tools.db_put('add_block', False)
        transactions.update[tx['type']](tx, DB, False)
    tools.db_delete(length, DB)
    length -= 1
    tools.db_put('length', length)
    if length == -1:
        tools.db_put('diffLength', '0')
    else:
        block = tools.db_get(length, DB)
        tools.db_put('diffLength', block['diffLength'])
    for orphan in sorted(orphans, key=lambda x: x['count']):
        add_tx(orphan, DB)

Exemplo n.º 4

Arquivo: blockchain.py Projeto: appcoreopc/slasher

def delete_block(DB):
    """ Removes the most recent block from the blockchain. """
    length=tools.local_get('length')
    if length < 0:
        return
    try:
        ts=tools.local_get('targets')
        ts.pop(str(length))
        tools.local_put('targets', ts)
    except:
        pass
    try:
        ts=tools.local_get('times')
        ts.pop(str(length))
        tools.local_put('times', ts)
    except:
        pass
    block = tools.db_get(length, DB)
    orphans = tools.local_get('txs')
    orphans=filter(lambda t: t['type']!='mint', orphans)
    tools.local_put('txs', [])
    for tx in block['txs']:
        orphans.append(tx)
        tools.local_put('add_block', False)
        transactions.update[tx['type']](tx, DB, False)
    tools.db_delete(length, DB)
    length-=1
    tools.local_put('length', length)
    if length>=0:
        block=tools.db_get(length)
        tools.local_put('height', filter(lambda t: t['type']=='mint', block['txs'])[0]['height'])
    else:
        tools.local_put('height', -1)
    for orphan in orphans:
        add_tx(orphan, DB)

Exemplo n.º 5

Arquivo: blockchain.py Projeto: mxito3/ethereum-pos

def delete_block(DB):
    """ Removes the most recent block from the blockchain. """
    length=tools.local_get('length')
    if length < 0:
        return
    try:
        ts=tools.local_get('targets')
        ts.pop(str(length))
        tools.local_put('targets', ts)
    except:
        pass
    try:
        ts=tools.local_get('times')
        ts.pop(str(length))
        tools.local_put('times', ts)
    except:
        pass
    block = tools.db_get(length, DB)
    orphans = tools.local_get('txs')
    orphans=filter(lambda t: t['type']!='mint', orphans)
    tools.local_put('txs', [])
    for tx in block['txs']:
        orphans.append(tx)
        tools.local_put('add_block', False)
        transactions.update[tx['type']](tx, DB, False)
    tools.db_delete(length, DB)
    length-=1
    tools.local_put('length', length)
    if length>=0:
        block=tools.db_get(length)
        tools.local_put('height', filter(lambda t: t['type']=='mint', block['txs'])[0]['height'])
    else:
        tools.local_put('height', -1)
    for orphan in orphans:
        add_tx(orphan, DB)

Exemplo n.º 6

Arquivo: blockchain.py Projeto: cartercar/basiccoin

def delete_block(DB):
    """ Removes the most recent block from the blockchain. """
    if DB['length'] < 0:
        return
    try:
        targets.pop(str(DB['length']))
    except:
        pass
    try:
        times.pop(str(DB['length']))
    except:
        pass
    block = tools.db_get(DB['length'], DB)
    orphans = copy.deepcopy(DB['txs'])
    DB['txs'] = []
    for tx in block['txs']:
        orphans.append(tx)
        DB['add_block']=False
        transactions.update[tx['type']](tx, DB)
    tools.db_delete(DB['length'], DB)
    DB['length'] -= 1
    if DB['length'] == -1:
        DB['diffLength'] = '0'
    else:
        block = tools.db_get(DB['length'], DB)
        DB['diffLength'] = block['diffLength']
    for orphan in sorted(orphans, key=lambda x: x['count']):
        add_tx(orphan, DB)

Exemplo n.º 7

Arquivo: txs_tools.py Projeto: master-zhuang/Truthcoin-POW

def symmetric_put(id_, dic, DB, add_block):
    if add_block: tools.db_put(id_, dic, DB)
    else: tools.db_delete(id_, DB)

Exemplo n.º 8

Arquivo: txs_tools.py Projeto: truthcoin/skunkworks

def symmetric_put(id_, dic, DB):
    if DB['add_block']: tools.db_put(id_, dic, DB)
    else: tools.db_delete(id_, DB)

Exemplo n.º 9

Arquivo: txs_tools.py Projeto: mygirl8893/augur-core

def symmetric_put(id_, dic, DB, add_block):
    if add_block: tools.db_put(id_, dic, DB)
    else: tools.db_delete(id_, DB)