def tx_from_string(s):
vds = BCDataStream()
vds.write(s)
#vds.write(raw.decode('hex'))
d = {}
d['version'] = vds.read_int32()
n_vin = vds.read_compact_size()
d['vin'] = []
for i in xrange(n_vin):
txin = {}
# dirty hack: add outpoint structure to get correct txid later
outpoint_pos = vds.read_cursor
txin['coinbase'] = vds.read_bytes(vds.read_compact_size()).encode('hex')
txin['sequence'] = vds.read_uint32()
d['vin'].append(txin)
n_vout = vds.read_compact_size()
d['vout'] = []
for i in xrange(n_vout):
txout = {}
txout['value'] = vds.read_int64()
txout['scriptPubKey'] = vds.read_bytes(vds.read_compact_size()).encode('hex')
d['vout'].append(txout)
d['lockTime'] = vds.read_uint32()
# compute txid
# dirty hack to insert coinbase outpoint structure before hashing
raw = s[0:outpoint_pos]
COINBASE_OP = '0' * 64 + 'F' * 8
raw += (COINBASE_OP).decode('hex')
raw += s[outpoint_pos:vds.read_cursor]
d['txid'] = Hash(raw)[::-1].encode('hex')
return d, s[vds.read_cursor:] # +1?
def tx_from_string(s):
vds = BCDataStream()
vds.write(s)
#vds.write(raw.decode('hex'))
d = {}
d['version'] = vds.read_int32()
n_vin = vds.read_compact_size()
d['vin'] = []
for i in xrange(n_vin):
txin = {}
# dirty hack: add outpoint structure to get correct txid later
outpoint_pos = vds.read_cursor
txin['coinbase'] = vds.read_bytes(vds.read_compact_size()).encode('hex')
txin['sequence'] = vds.read_uint32()
d['vin'].append(txin)
n_vout = vds.read_compact_size()
d['vout'] = []
for i in xrange(n_vout):
txout = {}
txout['value'] = vds.read_int64()
txout['scriptPubKey'] = vds.read_bytes(vds.read_compact_size()).encode('hex')
d['vout'].append(txout)
d['lockTime'] = vds.read_uint32()
# compute txid
# dirty hack to insert coinbase outpoint structure before hashing
raw = s[0:outpoint_pos]
COINBASE_OP = '0' * 64 + 'F' * 8
raw += (COINBASE_OP).decode('hex')
raw += s[outpoint_pos:vds.read_cursor]
d['txid'] = Hash(raw)[::-1].encode('hex')
return d, s[vds.read_cursor:] # +1?
def merkle_branch_from_string(s):
vds = BCDataStream()
vds.write(s)
#vds.write(raw.decode('hex'))
hashes = []
n_hashes = vds.read_compact_size()
for i in xrange(n_hashes):
_hash = vds.read_bytes(32)
hashes.append(hash_encode(_hash))
index = vds.read_int32()
return hashes, index, s[vds.read_cursor:]
def merkle_branch_from_string(s):
vds = BCDataStream()
vds.write(s)
#vds.write(raw.decode('hex'))
hashes = []
n_hashes = vds.read_compact_size()
for i in xrange(n_hashes):
_hash = vds.read_bytes(32)
hashes.append(hash_encode(_hash))
index = vds.read_int32()
return hashes, index, s[vds.read_cursor:]
