def buildInventoryMessage(networkType, inventory):
invHashes = []
for item in inventory:
invHashes.append(
struct.pack("<L", item[0]) +
hashlib.sha256(hashlib.sha256(item[1]).digest()).digest()[::-1])
return buildMessage(networkType, "inv",
utils.varint(len(invHashes)) + "".join(invHashes))
def getGetblockMsg():
genesis = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
genesis_str = genesis.decode('hex')[::-1] # reversed
recent = "000000000000000592f4797aab7c1fd891a4cacd300d2115f25fa5afab547cdf"
recent_str = recent.decode('hex')[::-1] # reversed
hash_stop_str = '\0' * 32
payload_getblocks = struct.pack('<L', version) + utils.varint(2) + recent_str + genesis_str + hash_stop_str
return makeMessage(magic, 'getblocks', payload_getblocks)
def getGetblockMsg():
genesis = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
genesis_str = genesis.decode('hex')[::-1] # reversed
recent = "000000000000000592f4797aab7c1fd891a4cacd300d2115f25fa5afab547cdf"
recent_str = recent.decode('hex')[::-1] # reversed
hash_stop_str = '\0' * 32
payload_getblocks = struct.pack(
'<L',
version) + utils.varint(2) + recent_str + genesis_str + hash_stop_str
return makeMessage(magic, 'getblocks', payload_getblocks)
def getInvMsg():
inv_hash = "235402020007000592f4797a567c1fd89144cacd300d2115f12fa53fab547abc"
payload_inv = utils.varint(1) + struct.pack(
'<L', 2) + inv_hash.decode('hex')[::-1]
return makeMessage(magic, 'inv', payload_inv)
def getGetdataMsg():
payload_getdata = utils.varint(1) + struct.pack('<L', 2) + recent_str
return makeMessage(magic, 'getdata', payload_getdata)
def addr(ip_addres,port):
var_int_adress_number=utils.varint(1)
# timestamp=struct.pack("q", int(time.time()))
payload=var_int_adress_number+pack_addr(ip_addres,port)
return make_header_message("addr",payload)
def getInvMsg():
inv_hash = "235402020007000592f4797a567c1fd89144cacd300d2115f12fa53fab547abc"
payload_inv = utils.varint(1) + struct.pack('<L', 2) + inv_hash.decode('hex')[::-1]
return makeMessage(magic, 'inv', payload_inv)
def getGetdataMsg():
payload_getdata = utils.varint(1) + struct.pack('<L', 2) + recent_str
return makeMessage(magic, 'getdata', payload_getdata)
def buildInventoryMessage(networkType, inventory):
invHashes = []
for item in inventory:
invHashes.append(struct.pack("<L", item[0]) +
hashlib.sha256(hashlib.sha256(item[1]).digest()).digest()[::-1])
return buildMessage(networkType, "inv", utils.varint(len(invHashes)) + "".join(invHashes))
