def wasmevent_decode(hrp, types, data):
if isinstance(data, HexBytes) or isinstance(data, bytes):
bufs = detail_decode_data(rlp.decode(data))
else:
bufs = data
data1 = []
if (not any(bufs)) and ('int' in types):
bufs = ['0']
if (not isinstance(bufs, tuple)) and (not isinstance(types, tuple)):
buf = bufs
type = types
if type == 'string':
tem = []
if isinstance(buf, list):
if not isinstance(buf[0], list):
for i in buf:
tem.append(bytes.decode(HexBytes(i)))
data1 = ''.join(tem)
else:
data1 = [
wasmevent_decode(hrp, {
'type': type,
'name': ''
}, j) for j in buf
]
elif isinstance(buf, str):
data1 = bytes.decode(HexBytes(buf))
elif isinstance(buf, tuple):
data1 = [
wasmevent_decode(hrp, {
'type': type,
'name': ''
}, j) for j in buf
]
elif type.startswith('uint') and not type.endswith(']'):
digit = 0
if len(buf) <= 1:
data1 = int(buf[0], 16)
else:
for i in range(len(buf)):
digit += int(buf[i], 16) * (256**(len(buf) - 1 - i))
data1 = digit
elif type == 'bool':
if not buf:
data1 = False
elif int(buf[0], 16):
data1 = True
else:
data1 = False
elif type in ['int8', 'int16', 'int32', 'int64']:
if isinstance(buf, list):
buf = ''.join(buf)
temp = int(buf, 16)
data1 = (temp >> 1) ^ (temp & 1) * (-1)
elif type == 'float':
data1 = struct.unpack('>f', HexBytes(buf))
elif type == 'double':
data1 = struct.unpack('>d', HexBytes(buf))
elif type.endswith(']'):
lasti = type.rindex('[')
vectype = type[0:lasti]
if vectype == 'uint8':
data1 = buf
else:
data1 = [
wasmevent_decode(hrp, {
'type': vectype,
'name': ''
}, i) for i in buf
]
elif type.startswith('FixedHash'):
data1 = '0x' + tostring_hex(buf)
if type.endswith('<20>'):
temp = []
try:
temp = tobech32address(hrp, data1)
except:
raise (
'wasmdecode error ! can not match FixedHash<20> type !'
)
finally:
data1 = temp
else:
if len(bufs) != len(types):
if len(bufs[0]) == len(types):
data1 = []
for i in range(len(bufs[0])):
buf = bufs[0][i]
type = types[i]
data1.append(wasmevent_decode(hrp, type, buf))
else:
data1 = []
for i in range(len(bufs)):
buf = bufs[i]
type = types[i]
data1.append(wasmevent_decode(hrp, type, buf))
return data1
def wasmdecode_abi(hrp, types, data, setabi=None):
if isinstance(data, HexBytes) or isinstance(data, bytes):
buf = detail_decode_data(rlp.decode(data))
else:
buf = data
type = types['type']
name = types['name']
if (not any(buf)) and ('int' in type):
buf = ['0']
if type == 'string':
tem = []
if isinstance(buf, list):
if not isinstance(buf[0], list):
for i in buf:
tem.append(bytes.decode(HexBytes(i)))
data1 = ''.join(tem)
else:
data1 = [
wasmdecode_abi(hrp, {
'type': type,
'name': ''
}, j, setabi) for j in buf
]
elif isinstance(buf, str):
data1 = bytes.decode(HexBytes(buf))
elif isinstance(buf, tuple):
data1 = [
wasmdecode_abi(hrp, {
'type': type,
'name': ''
}, j, setabi) for j in buf
]
elif type.startswith('uint') and not type.endswith(']'):
digit = 0
if len(buf) <= 1:
data1 = int(buf[0], 16)
else:
for i in range(len(buf)):
digit += int(buf[i], 16) * (256**(len(buf) - 1 - i))
data1 = digit
elif type == 'bool':
if not buf:
data1 = False
elif int(buf[0], 16):
data1 = True
else:
data1 = False
elif type in ['int8', 'int16', 'int32', 'int64']:
if isinstance(buf, list):
buf = ''.join(buf)
temp = int(buf, 16)
data1 = (temp >> 1) ^ (temp & 1) * (-1)
elif type == 'float':
data1 = struct.unpack('>f', HexBytes(buf))
elif type == 'double':
data1 = struct.unpack('>d', HexBytes(buf))
elif type.endswith(']'):
lasti = type.rindex('[')
vectype = type[0:lasti]
if vectype == 'uint8':
data1 = buf
else:
data1 = [
wasmdecode_abi(hrp, {
'type': vectype,
'name': ''
}, i, setabi) for i in buf
]
elif type.startswith('list'):
i1 = type.index('<')
i2 = type.index('>')
itype = type[i1 + 1:i2]
if isinstance(buf, tuple) and len(buf) <= 1:
buf = buf[0]
data1 = [
wasmdecode_abi(hrp, {
'type': itype,
'name': ''
}, j, setabi) for j in buf
]
elif type.startswith('map'):
i1 = type.index('<')
i2 = type.index(',')
i3 = type.index('>')
ktype = type[i1 + 1:i2]
vtype = type[i2 + 1:i3]
data1 = []
for j in range(len(buf)):
if len(buf[j]) <= 1 and len(buf[j][0]) >= 2:
kvalue = wasmdecode_abi(hrp, {
'type': ktype,
'name': ''
}, buf[j][0][0], setabi)
vvalue = wasmdecode_abi(hrp, {
'type': vtype,
'name': ''
}, buf[j][0][1], setabi)
else:
kvalue = wasmdecode_abi(hrp, {
'type': ktype,
'name': ''
}, buf[j][0], setabi)
vvalue = wasmdecode_abi(hrp, {
'type': vtype,
'name': ''
}, buf[j][1], setabi)
data1.append([kvalue, vvalue])
elif type.startswith('pair'):
i1 = type.index('<')
i2 = type.index(',')
i3 = type.index('>')
ktype = type[i1 + 1:i2]
vtype = type[i2 + 1:i3]
data1 = [
wasmdecode_abi(hrp, {
'type': ktype,
'name': ''
}, buf[0], setabi),
wasmdecode_abi(hrp, {
'type': vtype,
'name': ''
}, buf[1], setabi)
]
elif type.startswith('set'):
i1 = type.index('<')
i2 = type.index('>')
stype = type[i1 + 1:i2]
if isinstance(buf, tuple) and len(buf) <= 1:
buf = buf[0]
data1 = [
wasmdecode_abi(hrp, {
'type': stype,
'name': ''
}, j, setabi) for j in buf
]
data1 = set(data1)
elif type == 'struct':
structtype = [
item for item in setabi
if item['type'] == 'struct' and item['name'] == name
]
if not structtype:
raise Exception('can not find struct in {} .'.format(name))
else:
data1 = [0 for x in range(len(structtype[0]['inputs']))]
for i in range(len(structtype[0]['inputs'])):
data1[i] = wasmdecode_abi(hrp, structtype[0]['inputs'][i],
buf[i], setabi)
elif type.startswith('FixedHash'):
data1 = '0x' + tostring_hex(buf)
if type.endswith('<20>'):
temp = []
try:
temp = tobech32address(hrp, data1)
except:
raise ('wasmdecode error ! can not match FixedHash<20> type !')
finally:
data1 = temp
else:
structtype = [item for item in setabi if item['name'] == type]
if not structtype:
raise Exception('can not find struct through {} .'.format(type))
else:
data1 = [0 for x in range(len(structtype[0]['inputs']))]
for i in range(len(structtype[0]['inputs'])):
data1[i] = wasmdecode_abi(hrp, structtype[0]['inputs'][i],
buf[i], setabi)
return data1
def encode_abi(web3, abi, arguments, vmtype, data=None, setabi=None):
if vmtype == 1:
arrinputs = []
inputlength = len(abi['inputs'])
if inputlength == len(arguments):
if arguments:
arrinputs = abi['inputs']
paramABI = encodeparameters(arrinputs, arguments, setabi)
else:
paramABI = []
else:
raise Exception(
'The number of arguments is not matching the methods required number.'
'You need to pass {} arguments.'.format(inputlength))
magicnum = ['00', '61', '73', '6d']
paramabi = (stringfnv(abi['name']), paramABI)
if abi['type'] == 'constructor':
if data:
data1 = hexstr2bytes(to_hex(data))
deploydata = rlp_encode((data1, rlp_encode(paramabi)))
encodata = tostring_hex(magicnum) + tostring_hex(deploydata)
return '0x' + encodata
else:
encodata = tostring_hex(rlp_encode(paramabi))
return '0x' + encodata
else:
deploydata = rlp_encode(paramabi)
encodata = tostring_hex(deploydata)
return '0x' + encodata
else:
argument_types = get_abi_input_types(abi)
for j in range(len(argument_types)):
if argument_types[j]:
if argument_types[j] == 'address':
if arguments[j][:3] == 'lax':
hrpgot, data1 = bech32.decode("lax", arguments[j])
addr = to_checksum_address(bytes(data1))
arguments[j] = addr # .split(",")
elif arguments[j][:3] == 'lat':
hrpgot, data1 = bech32.decode("lat", arguments[j])
addr = to_checksum_address(bytes(data1))
arguments[j] = addr # .split(",")
else:
raise Exception("wrong address")
elif argument_types[j] == 'address[]':
for i in range(len(arguments[j])):
if arguments[j][i][:3] == 'lax':
hrpgot, data1 = bech32.decode(
"lax", arguments[j][i])
addr = to_checksum_address(bytes(data1))
arguments[j][i] = addr
elif arguments[j][i][:3] == 'lat':
hrpgot, data1 = bech32.decode(
"lat", arguments[j][i])
addr = to_checksum_address(bytes(data1))
arguments[j][i] = addr
else:
raise Exception("wrong address[]")
if not check_if_arguments_can_be_encoded(abi, arguments, {}):
raise TypeError(
"One or more arguments could not be encoded to the necessary "
"ABI type. Expected types are: {0}".format(
', '.join(argument_types), ))
try:
normalizers = [
abi_ens_resolver(web3),
abi_address_to_hex,
abi_bytes_to_bytes,
abi_string_to_text,
]
normalized_arguments = map_abi_data(
normalizers,
argument_types,
arguments,
)
encoded_arguments = eth_abi_encode_abi(
argument_types,
normalized_arguments,
)
except EncodingError as e:
raise TypeError(
"One or more arguments could not be encoded to the necessary "
"ABI type: {0}".format(str(e)))
if data:
return to_hex(HexBytes(data) + encoded_arguments)
else:
return encode_hex(encoded_arguments)
def wasmevent_decode(
types,
data,
):
if isinstance(data, HexBytes) or isinstance(data, bytes):
bufs = rlp_decode(hexstr2bytes(to_hex(data)))
else:
bufs = data
data1 = []
# for i in range(len(bufs)):
# buf = bufs[i]
# type = types[i]
if (not isinstance(bufs, tuple)) and (not isinstance(types, tuple)):
buf = bufs
type = types
if type == 'string':
tem = []
if isinstance(buf, list):
for i in buf:
tem.append(bytes.decode(HexBytes(i)))
data1 = ''.join(tem)
elif isinstance(buf, str):
data1 = bytes.decode(HexBytes(buf))
elif isinstance(buf, tuple):
data1 = [0 for x in range(len(buf))]
for j in range(len(buf)):
data1[j] = wasmevent_decode(types, buf[j])
elif type.startswith('uint') and not type.endswith(']'):
digit = 0
if len(buf) <= 1:
data1 = int(buf[0], 16)
else:
for i in range(len(buf)):
digit += int(buf[i], 16) * (256**(len(buf) - 1 - i))
data1 = digit
elif type == 'bool':
if not buf:
data1 = False
elif int(buf[0], 16):
data1 = True
else:
data1 = False
elif type == 'int8':
temp = np.uint8(decodeuint(buf))
data1 = np.int8(temp)
elif type == 'int16':
temp = np.uint16(decodeuint(buf))
data1 = np.int16(temp)
elif type == 'int32':
temp = np.uint32(decodeuint(buf))
data1 = np.int32(temp)
elif type == 'int64':
temp = np.uint64(decodeuint(buf))
data1 = np.int64(temp)
elif type == 'float':
data1 = struct.unpack('>f', HexBytes(buf))
elif type == 'double':
data1 = struct.unpack('>d', HexBytes(buf))
elif type.endswith(']'):
lasti = type.rindex('[')
vectype = type[0:lasti]
data1 = [0 for x in range(len(buf))]
if vectype == 'uint8':
for i in range(len(buf)):
data1[i] = hex(int(buf[i], 16))
else:
for i in range(len(buf)):
data1[i] = wasmevent_decode(types, buf[i])
elif type.startswith('FixedHash'):
data1 = '0x' + tostring_hex(buf)
if type.endswith('<20>'):
temp = []
try:
temp = tobech32address('lax', data1)
except:
try:
temp = tobech32address('lat', data1)
except:
raise (
'wasmdecode error ! can not match FixedHash<20> type !'
)
finally:
data1 = temp
else:
if len(bufs) != len(types):
if len(bufs[0]) == len(types):
data1 = [0 for x in range(len(types))]
for i in range(len(bufs[0])):
buf = bufs[0][i]
type = types[i]
data1[i] = wasmevent_decode(type, buf)
else:
data1 = [0 for x in range(len(bufs))]
for i in range(len(bufs)):
buf = bufs[i]
type = types[i]
data1[i] = wasmevent_decode(type, buf)
return data1
def wasmdecode_abi(types, data, setabi=None):
if isinstance(data, HexBytes) or isinstance(data, bytes):
buf = rlp_decode(hexstr2bytes(to_hex(data)))
else:
buf = data
type = types['type']
name = types['name']
# data1 = buf
# if isinstance(data,HexBytes):
# decode_data = hexstr2bytes(to_hex(data))
if type == 'string':
tem = []
if isinstance(buf, list):
if not isinstance(buf[0], list):
for i in buf:
tem.append(bytes.decode(HexBytes(i)))
data1 = ''.join(tem)
else:
data1 = [0 for x in range(len(buf))]
for j in range(len(buf)):
data1[j] = wasmdecode_abi({
'type': type,
'name': ''
}, buf[j], setabi)
elif isinstance(buf, str):
data1 = bytes.decode(HexBytes(buf))
elif isinstance(buf, tuple):
data1 = [0 for x in range(len(buf))]
for j in range(len(buf)):
data1[j] = wasmdecode_abi({
'type': type,
'name': ''
}, buf[j], setabi)
elif type.startswith('uint') and not type.endswith(']'):
digit = 0
if len(buf) <= 1:
data1 = int(buf[0], 16)
else:
for i in range(len(buf)):
digit += int(buf[i], 16) * (256**(len(buf) - 1 - i))
data1 = digit
elif type == 'bool':
if not buf:
data1 = False
elif int(buf[0], 16):
data1 = True
else:
data1 = False
elif type == 'int8':
temp = np.uint8(decodeuint(buf))
data1 = np.int8(temp)
elif type == 'int16':
temp = np.uint16(decodeuint(buf))
data1 = np.int16(temp)
elif type == 'int32':
temp = np.uint32(decodeuint(buf))
data1 = np.int32(temp)
elif type == 'int64':
temp = np.uint64(decodeuint(buf))
data1 = np.int64(temp)
elif type == 'float':
data1 = struct.unpack('>f', HexBytes(buf))
elif type == 'double':
data1 = struct.unpack('>d', HexBytes(buf))
elif type.endswith(']'):
lasti = type.rindex('[')
vectype = type[0:lasti]
if isinstance(buf, tuple) and len(buf) <= 1:
buf = buf[0]
data1 = [0 for x in range(len(buf))]
if vectype == 'uint8':
for i in range(len(buf)):
data1[i] = hex(int(buf[i], 16))
else:
for i in range(len(buf)):
data1[i] = wasmdecode_abi({
'type': vectype,
'name': ''
}, buf[i], setabi)
elif type.startswith('list'):
i1 = type.index('<')
i2 = type.index('>')
itype = type[i1 + 1:i2]
if isinstance(buf, tuple) and len(buf) <= 1:
buf = buf[0]
data1 = [0 for x in range(len(buf))]
for j in range(len(buf)):
data1[j] = (wasmdecode_abi({
'type': itype,
'name': ''
}, buf[j], setabi))
elif type.startswith('map'):
i1 = type.index('<')
i2 = type.index(',')
i3 = type.index('>')
ktype = type[i1 + 1:i2]
vtype = type[i2 + 1:i3]
data1 = [0 for x in range(len(buf))]
for j in range(len(buf)):
if len(buf[j]) <= 1 and len(buf[j][0]) >= 2:
kvalue = wasmdecode_abi({
'type': ktype,
'name': ''
}, buf[j][0][0], setabi)
vvalue = wasmdecode_abi({
'type': vtype,
'name': ''
}, buf[j][0][1], setabi)
else:
kvalue = wasmdecode_abi({
'type': ktype,
'name': ''
}, buf[j][0], setabi)
vvalue = wasmdecode_abi({
'type': vtype,
'name': ''
}, buf[j][1], setabi)
data1[j] = [kvalue, vvalue]
elif type.startswith('pair'):
i1 = type.index('<')
i2 = type.index(',')
i3 = type.index('>')
ktype = type[i1 + 1:i2]
vtype = type[i2 + 1:i3]
if isinstance(buf, tuple) and len(buf) <= 1:
buf = buf[0]
data1 = [0 for x in range(len(buf))]
data1[0] = wasmdecode_abi({'type': ktype, 'name': ''}, buf[0], setabi)
data1[1] = wasmdecode_abi({'type': vtype, 'name': ''}, buf[1], setabi)
elif type.startswith('set'):
i1 = type.index('<')
i2 = type.index('>')
stype = type[i1 + 1:i2]
if isinstance(buf, tuple) and len(buf) <= 1:
buf = buf[0]
data1 = [0 for x in range(len(buf))]
for j in range(len(buf)):
data1[j] = wasmdecode_abi({
'type': stype,
'name': ''
}, buf[j], setabi)
data1 = set(data1)
elif type == 'struct':
structtype = [
item for item in setabi
if item['type'] == 'struct' and item['name'] == name
]
if not structtype:
raise Exception('can not find struct in {} .'.format(name))
else:
data1 = [0 for x in range(len(structtype[0]['inputs']))]
for i in range(len(structtype[0]['inputs'])):
data1[i] = wasmdecode_abi(structtype[0]['inputs'][i], buf[i],
setabi)
elif type.startswith('FixedHash'):
data1 = '0x' + tostring_hex(buf)
if type.endswith('<20>'):
temp = []
try:
temp = tobech32address('lax', data1)
except:
try:
temp = tobech32address('lat', data1)
except:
raise (
'wasmdecode error ! can not match FixedHash<20> type !'
)
finally:
data1 = temp
else:
structtype = [item for item in setabi if item['name'] == type]
if not structtype:
raise Exception('can not find struct through {} .'.format(type))
else:
data1 = [0 for x in range(len(structtype[0]['inputs']))]
for i in range(len(structtype[0]['inputs'])):
data1[i] = wasmdecode_abi(structtype[0]['inputs'][i], buf[i],
setabi)
return data1