def import_chain_data(raw_blocks_fn, test_db_path, skip=0):
from pyethereum import chainmanager
utils.data_dir.set(test_db_path)
chain_manager = chainmanager.ChainManager()
chain_manager.configure(config=get_default_config(), genesis=None)
fh = open(raw_blocks_fn)
for i in range(skip):
fh.readline()
for hex_rlp_encoded_data in fh:
hexdata = hex_rlp_encoded_data.strip().decode('hex')
data = rlp.decode(hexdata)
blk = blocks.TransientBlock(hexdata)
print blk.number, blk.hash.encode('hex'), '%d txs' % len(
blk.transaction_list)
chain_manager.receive_chain([blk])
assert blk.hash in chain_manager
def get_chainmanager(genesis=None):
cm = chainmanager.ChainManager()
cm.configure(config=create_default_config(), genesis=genesis)
return cm
data can be created with blockfetcherpatch.py
"""
import sys
raw_blocks_fn = sys.argv[1]
test_db_path = sys.argv[2]
skip = int(sys.argv[3])
if len(sys.argv) == 4 or sys.argv[4] != 'silent':
logging.basicConfig(level=logging.DEBUG)
global logger
logger = logging.getLogger()
print utils
utils.data_dir.set(test_db_path)
chain_manager = chainmanager.ChainManager()
chain_manager.configure(config=eth.create_default_config(), genesis=None)
fh = open(raw_blocks_fn)
for i in range(skip):
fh.readline()
for hex_rlp_encoded_data in fh:
hexdata = hex_rlp_encoded_data.strip().decode('hex')
data = rlp.decode(hexdata)
# print repr(data)
blk = blocks.TransientBlock(hexdata)
print blk.number, blk.hash.encode('hex')
chain_manager.receive_chain([blk])
assert blk.hash in chain_manager
def get_chainmanager(genesis=None):
import pyethereum.chainmanager as chainmanager
cm = chainmanager.ChainManager()
cm.configure(config=get_default_config(), genesis=genesis)
return cm
def get_chainmanager(db, genesis=None):
# creates cm with db or new
import pyethereum.chainmanager as chainmanager
cm = chainmanager.ChainManager()
cm.configure(db=db, config=new_config(), genesis=genesis)
return cm
