def _apply_msg(ext, msg, code):
trace_msg = log_msg.is_active("trace")
if trace_msg:
log_msg.debug(
"MSG APPLY",
sender=encode_hex(msg.sender),
to=encode_hex(msg.to),
gas=msg.gas,
value=msg.value,
codelen=len(code),
data=encode_hex(msg.data.extract_all())
if msg.data.size < 2500 else ("data<%d>" % msg.data.size),
pre_storage=ext.log_storage(msg.to),
static=msg.static,
depth=msg.depth,
gas_token_id=msg.gas_token_id,
transfer_token_id=msg.transfer_token_id,
)
# early exit if msg.sender is disallowed
if transfer_failure_by_posw_balance_check(ext, msg):
log_msg.warn("SENDER NOT ALLOWED", sender=encode_hex(msg.sender))
return 0, 0, []
# transfer value, quit if not enough
snapshot = ext.snapshot()
if msg.transfers_value:
if not ext.transfer_value(msg.sender, msg.to, msg.transfer_token_id,
msg.value):
log_msg.debug(
"MSG TRANSFER FAILED",
have=ext.get_balance(msg.sender,
token_id=msg.transfer_token_id),
want=msg.value,
)
# TODO: Why return success if the transfer failed?
return 1, msg.gas, []
# Main loop
if msg.code_address in ext.specials:
res, gas, dat = ext.specials[msg.code_address](ext, msg)
else:
res, gas, dat = vm.vm_execute(ext, msg, code)
if trace_msg:
log_msg.debug(
"MSG APPLIED",
gas_remained=gas,
sender=encode_hex(msg.sender),
to=encode_hex(msg.to),
data=dat if len(dat) < 2500 else ("data<%d>" % len(dat)),
post_storage=ext.log_storage(msg.to),
)
if res == 0:
log_msg.debug("REVERTING")
ext.revert(snapshot)
return res, gas, dat
def _apply_msg(ext, msg, code):
trace_msg = log_msg.is_active('trace')
if trace_msg:
log_msg.debug("MSG APPLY", sender=encode_hex(msg.sender), to=encode_hex(msg.to),
gas=msg.gas, value=msg.value, codelen=len(code),
data=encode_hex(
msg.data.extract_all()) if msg.data.size < 2500 else (
"data<%d>" %
msg.data.size),
pre_storage=ext.log_storage(msg.to),
static=msg.static, depth=msg.depth)
# transfer value, quit if not enough
snapshot = ext.snapshot()
if msg.transfers_value:
if msg.is_cross_shard:
if not ext.deduct_value(msg.sender, msg.value):
return 1, msg.gas, []
ext.add_cross_shard_transaction_deposit(
quarkchain.core.CrossShardTransactionDeposit(
tx_hash=msg.tx_hash,
from_address=quarkchain.core.Address(msg.sender, msg.from_full_shard_id),
to_address=quarkchain.core.Address(msg.to, msg.to_full_shard_id),
value=msg.value,
gas_price=ext.tx_gasprice)
)
elif not ext.transfer_value(msg.sender, msg.to, msg.value):
log_msg.debug('MSG TRANSFER FAILED', have=ext.get_balance(msg.to),
want=msg.value)
return 1, msg.gas, []
if msg.is_cross_shard:
# Cross shard contract call is not supported
return 1, msg.gas, []
# Main loop
if msg.code_address in ext.specials:
res, gas, dat = ext.specials[msg.code_address](ext, msg)
else:
res, gas, dat = vm.vm_execute(ext, msg, code)
if trace_msg:
log_msg.debug('MSG APPLIED', gas_remained=gas,
sender=encode_hex(msg.sender), to=encode_hex(msg.to),
data=dat if len(dat) < 2500 else ("data<%d>" % len(dat)),
post_storage=ext.log_storage(msg.to))
if res == 0:
log_msg.debug('REVERTING')
ext.revert(snapshot)
return res, gas, dat
def _apply_msg(ext, msg, code):
trace_msg = log_msg.is_active("trace")
if trace_msg:
log_msg.debug(
"MSG APPLY",
sender=encode_hex(msg.sender),
to=encode_hex(msg.to),
gas=msg.gas,
value=msg.value,
codelen=len(code),
data=encode_hex(msg.data.extract_all())
if msg.data.size < 2500 else ("data<%d>" % msg.data.size),
pre_storage=ext.log_storage(msg.to),
static=msg.static,
depth=msg.depth,
gas_token_id=msg.gas_token_id,
transfer_token_id=msg.transfer_token_id,
)
# early exit if msg.sender is disallowed
if transfer_failure_by_posw_balance_check(ext, msg):
log_msg.warn("SENDER NOT ALLOWED", sender=encode_hex(msg.sender))
return 0, 0, []
# transfer value, quit if not enough
snapshot = ext.snapshot()
if msg.transfers_value:
if not ext.transfer_value(msg.sender, msg.to, msg.transfer_token_id,
msg.value):
log_msg.debug(
"MSG TRANSFER FAILED",
have=ext.get_balance(msg.sender,
token_id=msg.transfer_token_id),
want=msg.value,
)
return 0, 0, []
# Main loop
special_proc, enable_ts = ext.specials.get(msg.code_address, (None, 0))
if special_proc and ext.block_timestamp > enable_ts:
res, gas, dat = special_proc(ext, msg)
else:
res, gas, dat = vm.vm_execute(ext, msg, code)
if trace_msg:
log_msg.debug(
"MSG APPLIED",
gas_remained=gas,
sender=encode_hex(msg.sender),
to=encode_hex(msg.to),
data=dat if len(dat) < 2500 else ("data<%d>" % len(dat)),
post_storage=ext.log_storage(msg.to),
)
if (res == 1 and code != b""
and msg.transfer_token_id != ext.default_chain_token
and not msg.token_id_queried and msg.value != 0):
res = 0
if res == 0:
log_msg.debug("REVERTING")
ext.revert(snapshot)
return res, gas, dat
def _apply_msg(ext, msg, code):
trace_msg = log_msg.is_active("trace")
if trace_msg:
log_msg.debug(
"MSG APPLY",
sender=encode_hex(msg.sender),
to=encode_hex(msg.to),
gas=msg.gas,
value=msg.value,
codelen=len(code),
data=encode_hex(msg.data.extract_all())
if msg.data.size < 2500
else ("data<%d>" % msg.data.size),
pre_storage=ext.log_storage(msg.to),
static=msg.static,
depth=msg.depth,
gas_token_id=msg.gas_token_id,
transfer_token_id=msg.transfer_token_id,
)
# early exit if msg.sender is disallowed
if msg.sender in ext.sender_disallow_list:
log_msg.warn("SENDER NOT ALLOWED", sender=encode_hex(msg.sender))
return 0, 0, []
# transfer value, quit if not enough
snapshot = ext.snapshot()
if msg.transfers_value:
if msg.is_cross_shard:
if not ext.deduct_value(msg.sender, msg.transfer_token_id, msg.value):
return 1, msg.gas, []
ext.add_cross_shard_transaction_deposit(
quarkchain.core.CrossShardTransactionDeposit(
tx_hash=msg.tx_hash,
from_address=quarkchain.core.Address(
msg.sender, msg.from_full_shard_key
),
to_address=quarkchain.core.Address(msg.to, msg.to_full_shard_key),
value=msg.value,
gas_price=ext.tx_gasprice,
gas_token_id=msg.gas_token_id,
transfer_token_id=msg.transfer_token_id,
)
)
elif not ext.transfer_value(
msg.sender, msg.to, msg.transfer_token_id, msg.value
):
log_msg.debug(
"MSG TRANSFER FAILED",
have=ext.get_balance(msg.sender, token_id=msg.transfer_token_id),
want=msg.value,
)
return 1, msg.gas, []
if msg.is_cross_shard:
# Cross shard contract call is not supported
return 1, msg.gas, []
if msg.transfer_token_id != ext.default_state_token:
# TODODLL calling smart contract with non QKC transfer_token_id is not supported
return 1, msg.gas, []
# Main loop
if msg.code_address in ext.specials:
res, gas, dat = ext.specials[msg.code_address](ext, msg)
else:
res, gas, dat = vm.vm_execute(ext, msg, code)
if trace_msg:
log_msg.debug(
"MSG APPLIED",
gas_remained=gas,
sender=encode_hex(msg.sender),
to=encode_hex(msg.to),
data=dat if len(dat) < 2500 else ("data<%d>" % len(dat)),
post_storage=ext.log_storage(msg.to),
)
if res == 0:
log_msg.debug("REVERTING")
ext.revert(snapshot)
return res, gas, dat