def call(this, to, value=0, data='', sender=None,
startgas=25000, gasprice=10*denoms.szabo):
sender = address20(sender or this.coinbase)
to = address20(to)
block = this.head_candidate
state_root_before = block.state_root
assert block.has_parent()
# rebuild block state before finalization
parent = block.get_parent()
test_block = block.init_from_parent(parent, block.coinbase,
timestamp=block.timestamp)
for tx in block.get_transactions():
success, output = processblock.apply_transaction(test_block, tx)
assert success
# apply transaction
nonce = test_block.get_nonce(sender)
tx = Transaction(nonce, gasprice, startgas, to, value, data)
tx.sender = sender
try:
success, output = processblock.apply_transaction(test_block, tx)
except processblock.InvalidTransaction as e:
success = False
assert block.state_root == state_root_before
if success:
return output
else:
return False
def transact(this, to, value=0, data='', sender=None,
startgas=25000, gasprice=10*denoms.szabo):
sender = address20(sender or this.coinbase)
to = address20(to)
nonce = this.pending.get_nonce(sender)
tx = Transaction(nonce, gasprice, startgas, to, value, data)
this.app.services.accounts.sign_tx(sender, tx)
assert tx.sender == sender
this.chainservice.add_transaction(tx)
return tx
def transact(this,
to,
value=0,
data='',
sender=None,
startgas=25000,
gasprice=10 * denoms.szabo):
sender = address20(sender or this.coinbase)
to = address20(to)
nonce = this.pending.get_nonce(sender)
tx = Transaction(nonce, gasprice, startgas, to, value, data)
this.app.services.accounts.sign_tx(sender, tx)
assert tx.sender == sender
this.chainservice.add_transaction(tx)
return tx
def call(this,
to,
value=0,
data='',
sender=None,
startgas=25000,
gasprice=10 * denoms.szabo):
sender = address20(sender or this.coinbase)
to = address20(to)
block = this.head_candidate
state_root_before = block.state_root
assert block.has_parent()
# rebuild block state before finalization
parent = block.get_parent()
test_block = block.init_from_parent(parent,
block.coinbase,
timestamp=block.timestamp)
for tx in block.get_transactions():
success, output = processblock.apply_transaction(
test_block, tx)
assert success
# apply transaction
nonce = test_block.get_nonce(sender)
tx = Transaction(nonce, gasprice, startgas, to, value, data)
tx.sender = sender
try:
success, output = processblock.apply_transaction(
test_block, tx)
except processblock.InvalidTransaction as e:
success = False
assert block.state_root == state_root_before
if success:
return output
else:
return False