def get(self, blockhash):
serialized_block = None
try:
serialized_block = self.blockDB[repr(blockhash)]
except KeyError:
return None
f = cStringIO.StringIO(serialized_block)
ret = CBlock()
ret.deserialize(f)
ret.calc_sha256()
return ret
def create_block(hashprev, coinbase, nTime=None):
block = CBlock()
if nTime is None:
import time
block.nTime = int(time.time() + 600)
else:
block.nTime = nTime
block.hashPrevBlock = hashprev
block.nBits = 0x207fffff # Will break after a difficulty adjustment...
block.vtx.append(coinbase)
block.hashMerkleRoot = block.calc_merkle_root()
block.calc_sha256()
return block
def create_block(hashprev, coinbase, nTime=None, nBits=None):
block = CBlock()
if nTime is None:
import time
block.nTime = int(time.time()+600)
else:
block.nTime = nTime
block.hashPrevBlock = hashprev
if nBits is None:
block.nBits = 0x200f0f0f # Will break after a difficulty adjustment...
else:
block.nBits = nBits
block.vtx.append(coinbase)
block.hashMerkleRoot = block.calc_merkle_root()
block.calc_sha256()
return block
def get(self, blockhash):
serialized_block = None
try:
serialized_block = self.blockDB[repr(blockhash)]
except KeyError:
return None
f = cStringIO.StringIO(serialized_block)
ret = CBlock()
ret.deserialize(f)
ret.calc_sha256()
return ret
def create_block(hashprev,
coinbase,
nTime=None,
nBits=None,
hashFinalSaplingRoot=None):
block = CBlock()
if nTime is None:
import time
block.nTime = int(time.time() + 600)
else:
block.nTime = nTime
block.hashPrevBlock = hashprev
if hashFinalSaplingRoot is not None:
block.hashFinalSaplingRoot = hashFinalSaplingRoot
if nBits is None:
block.nBits = 0x200f0f0f # Will break after a difficulty adjustment...
else:
block.nBits = nBits
block.vtx.append(coinbase)
block.hashMerkleRoot = block.calc_merkle_root()
block.calc_sha256()
return block