def test_estimate_gas_on_full_block(chain, funded_address_private_key, funded_address):
def estimation_txn(chain, from_, from_key, data):
to = decode_hex('0xa94f5374fce5edbc8e2a8697c15331677e6ebf0c')
gas = chain.header.gas_limit
amount = 200
vm = chain.get_vm()
return new_transaction(vm, from_, to, amount, from_key, gas=gas, data=data)
from_ = funded_address
from_key = funded_address_private_key
garbage_data = b"""
fill up the block much faster because this transaction contains a bunch of extra
garbage_data, which doesn't add to execution time, just the gas costs
""" * 30
gas = 375000
# fill the canonical head
fill_block(chain, from_, from_key, gas, garbage_data)
chain.import_block(chain.get_vm().block)
# build a transaction to estimate gas for
next_canonical_tx = estimation_txn(chain, from_, from_key, data=garbage_data * 2)
assert chain.estimate_gas(next_canonical_tx) == 722760
# fill the pending block
fill_block(chain, from_, from_key, gas, garbage_data)
# build a transaction to estimate gas for
next_pending_tx = estimation_txn(chain, from_, from_key, data=garbage_data * 2)
assert chain.estimate_gas(next_pending_tx, chain.header) == 722760
def test_estimate_gas_on_full_block(chain_without_block_validation_from_vm,
vm_cls, expected,
funded_address_private_key,
funded_address):
def mk_estimation_txn(chain, from_, from_key, data):
vm = chain.get_vm()
tx_params = dict(from_=from_,
to=ADDR_1010,
amount=200,
private_key=from_key,
gas=chain.header.gas_limit,
data=data)
return new_transaction(vm, **tx_params)
chain = chain_without_block_validation_from_vm(vm_cls)
from_ = funded_address
from_key = funded_address_private_key
garbage_data = b"""
fill up the block much faster because this transaction contains a bunch of extra
garbage_data, which doesn't add to execution time, just the gas costs
""" * 30
gas = 375000
# fill the canonical head
fill_block(chain, from_, from_key, gas, garbage_data)
chain.import_block(chain.get_vm().get_block())
# build a transaction to estimate gas for
next_canonical_tx = mk_estimation_txn(chain,
from_,
from_key,
data=garbage_data * 2)
assert chain.estimate_gas(next_canonical_tx) == expected
# fill the pending block
fill_block(chain, from_, from_key, gas, garbage_data)
# build a transaction to estimate gas for
next_pending_tx = mk_estimation_txn(chain,
from_,
from_key,
data=garbage_data * 2)
assert chain.estimate_gas(next_pending_tx, chain.header) == expected
