python-bitshares/bitsharesbase/objects.py at master · lebinbit/python-bitshares · GitHub

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# -*- coding: utf-8 -*-

import json

from collections import OrderedDict

from graphenebase.objects import GrapheneObject

from graphenebase.objects import Operation as GrapheneOperation

from graphenebase.objects import isArgsThisClass, Asset

from graphenebase.types import Array, Bool, Bytes, Fixed_array, Id, Int16, Int64, Map

from graphenebase.types import ObjectId as GPHObjectId

from graphenebase.types import (

Optional,

PointInTime,

Set,

Signature,

Static_variant,

String,

Uint8,

Uint16,

Uint32,

Uint64,

Varint32,

Void,

VoteId,

Ripemd160,

)

from .account import PublicKey

from .objecttypes import object_type

from .operationids import operations

default_prefix = "BTS"

BlockId = Ripemd160

class Operation(GrapheneOperation):

"""Need to overwrite a few attributes to load proper operations from bitshares."""

module = "bitsharesbase.operations"

operations = operations

class ObjectId(GPHObjectId):

"""Need to overwrite a few attributes to load proper object_types from bitshares."""

object_types = object_type

def AssetId(asset):

return ObjectId(asset, "asset")

def AccountId(asset):

return ObjectId(asset, "account")

class Memo(GrapheneObject):

def __init__(self, *args, **kwargs):

if isArgsThisClass(self, args):

self.data = args[0].data

else:

if len(args) == 1 and len(kwargs) == 0:

kwargs = args[0]

prefix = kwargs.pop("prefix", default_prefix)

if "message" in kwargs and kwargs["message"]:

super().__init__(

OrderedDict(

[

("from", PublicKey(kwargs["from"], prefix=prefix)),

("to", PublicKey(kwargs["to"], prefix=prefix)),

("nonce", Uint64(int(kwargs["nonce"]))),

("message", Bytes(kwargs["message"])),

]

)

else:

super().__init__(None)

class Price(GrapheneObject):

def __init__(self, *args, **kwargs):

if isArgsThisClass(self, args):

self.data = args[0].data

else:

if len(args) == 1 and len(kwargs) == 0:

kwargs = args[0]

super().__init__(

OrderedDict(

[("base", Asset(kwargs["base"])), ("quote", Asset(kwargs["quote"]))]

)

class PriceFeed(GrapheneObject):

def __init__(self, *args, **kwargs):

if isArgsThisClass(self, args):

self.data = args[0].data

else:

if len(args) == 1 and len(kwargs) == 0:

kwargs = args[0]

super().__init__(

OrderedDict(

[

("settlement_price", Price(kwargs["settlement_price"])),

(

"maintenance_collateral_ratio",

Uint16(kwargs["maintenance_collateral_ratio"]),

(

"maximum_short_squeeze_ratio",

Uint16(kwargs["maximum_short_squeeze_ratio"]),

("core_exchange_rate", Price(kwargs["core_exchange_rate"])),

]

)

class Permission(GrapheneObject):

def __init__(self, *args, **kwargs):

if isArgsThisClass(self, args):

self.data = args[0].data

else:

prefix = kwargs.pop("prefix", default_prefix)

if len(args) == 1 and len(kwargs) == 0:

kwargs = args[0]

kwargs["key_auths"] = sorted(

kwargs["key_auths"],

key=lambda x: PublicKey(x[0], prefix=prefix),

reverse=False,

)

accountAuths = Map(

[

[ObjectId(e[0], "account"), Uint16(e[1])]

for e in kwargs["account_auths"]

]

)

keyAuths = Map(

[

[PublicKey(e[0], prefix=prefix), Uint16(e[1])]

for e in kwargs["key_auths"]

]

)

super().__init__(

OrderedDict(

[

("weight_threshold", Uint32(int(kwargs["weight_threshold"]))),

("account_auths", accountAuths),

("key_auths", keyAuths),

("extensions", Set([])),

]

)

class AccountOptions(GrapheneObject):

def __init__(self, *args, **kwargs):

# Allow for overwrite of prefix

prefix = kwargs.pop("prefix", default_prefix)

if isArgsThisClass(self, args):

self.data = args[0].data

else:

if len(args) == 1 and len(kwargs) == 0:

kwargs = args[0]

# remove dublicates

kwargs["votes"] = list(set(kwargs["votes"]))

# Sort votes

kwargs["votes"] = sorted(

kwargs["votes"], key=lambda x: float(x.split(":")[1])

)

super().__init__(

OrderedDict(

[

("memo_key", PublicKey(kwargs["memo_key"], prefix=prefix)),

(

"voting_account",

ObjectId(kwargs["voting_account"], "account"),

("num_witness", Uint16(kwargs["num_witness"])),

("num_committee", Uint16(kwargs["num_committee"])),

("votes", Array([VoteId(o) for o in kwargs["votes"]])),

("extensions", Set([])),

]

)

class AssetOptions(GrapheneObject):

def __init__(self, *args, **kwargs):

if isArgsThisClass(self, args):

self.data = args[0].data

else:

if len(args) == 1 and len(kwargs) == 0:

kwargs = args[0]

super().__init__(

OrderedDict(

[

("max_supply", Int64(kwargs["max_supply"])),

("market_fee_percent", Uint16(kwargs["market_fee_percent"])),

("max_market_fee", Int64(kwargs["max_market_fee"])),

("issuer_permissions", Uint16(kwargs["issuer_permissions"])),

("flags", Uint16(kwargs["flags"])),

("core_exchange_rate", Price(kwargs["core_exchange_rate"])),

(

"whitelist_authorities",

Array(

[

ObjectId(x, "account")

for x in kwargs["whitelist_authorities"]

]

(

"blacklist_authorities",

Array(

[

ObjectId(x, "account")

for x in kwargs["blacklist_authorities"]

]

(

"whitelist_markets",

Array(

[

ObjectId(x, "asset")

for x in kwargs["whitelist_markets"]

]

(

"blacklist_markets",

Array(

[

ObjectId(x, "asset")

for x in kwargs["blacklist_markets"]

]

("description", String(kwargs["description"])),

("extensions", Set([])),

]

)

class BitAssetOptions(GrapheneObject):

def __init__(self, *args, **kwargs):

if isArgsThisClass(self, args):

self.data = args[0].data

else:

if len(args) == 1 and len(kwargs) == 0:

kwargs = args[0]

super().__init__(

OrderedDict(

[

("feed_lifetime_sec", Uint32(kwargs["feed_lifetime_sec"])),

("minimum_feeds", Uint8(kwargs["minimum_feeds"])),

(

"force_settlement_delay_sec",

Uint32(kwargs["force_settlement_delay_sec"]),

(

"force_settlement_offset_percent",

Uint16(kwargs["force_settlement_offset_percent"]),

(

"maximum_force_settlement_volume",

Uint16(kwargs["maximum_force_settlement_volume"]),

(

"short_backing_asset",

ObjectId(kwargs["short_backing_asset"], "asset"),

("extensions", Set([])),

]

)

class Worker_initializer(Static_variant):

def __init__(self, o):

class Burn_worker_initializer(GrapheneObject):

def __init__(self, kwargs):

super().__init__(OrderedDict([]))

class Refund_worker_initializer(GrapheneObject):

def __init__(self, kwargs):

super().__init__(OrderedDict([]))

class Vesting_balance_worker_initializer(GrapheneObject):

def __init__(self, *args, **kwargs):

if isArgsThisClass(self, args):

self.data = args[0].data

else:

if len(args) == 1 and len(kwargs) == 0:

kwargs = args[0]

super().__init__(

OrderedDict(

[

(

"pay_vesting_period_days",

Uint16(kwargs["pay_vesting_period_days"]),

)

]

)

id = o[0]

if id == 0:

data = Refund_worker_initializer(o[1])

elif id == 1:

data = Vesting_balance_worker_initializer(o[1])

elif id == 2:

data = Burn_worker_initializer(o[1])

else:

raise ValueError("Unknown {}".format(self.__class__.name))

super().__init__(data, id)

class SpecialAuthority(Static_variant):

def __init__(self, o):

class No_special_authority(GrapheneObject):

def __init__(self, kwargs):

super().__init__(OrderedDict([]))

class Top_holders_special_authority(GrapheneObject):

def __init__(self, kwargs):

super().__init__(

OrderedDict(

[

("asset", ObjectId(kwargs["asset"], "asset")),

("num_top_holders", Uint8(kwargs["num_top_holders"])),

]

)

id = o[0]

if id == 0:

data = No_special_authority(o[1])

elif id == 1:

data = Top_holders_special_authority(o[1])

else:

raise Exception("Unknown SpecialAuthority")

super().__init__(data, id)

class Extension(Array):

def __init__(self, *args, **kwargs):

self.json = {}

a = []

for key, value in kwargs.items():

self.json.update({key: value})

for arg in args:

if isinstance(arg, dict):

self.json.update(arg)

for index, extension in enumerate(self.sorted_options):

name = extension[0]

klass = extension[1]

for key, value in self.json.items():

if key.lower() == name.lower():

a.append(Static_variant(klass(value), index))

super().__init__(a)

def __str__(self):

"""We overload the __str__ function because the json representation is different

for extensions."""

return json.dumps(self.json)

class AccountCreateExtensions(Extension):

class Null_ext(GrapheneObject):

def __init__(self, *args, **kwargs):

super().__init__(OrderedDict([]))

class Buyback_options(GrapheneObject):

def __init__(self, *args, **kwargs):

kwargs.update(args[0])

super().__init__(

OrderedDict(

[

("asset_to_buy", ObjectId(kwargs["asset_to_buy"], "asset")),

(

"asset_to_buy_issuer",

ObjectId(kwargs["asset_to_buy_issuer"], "account"),

(

"markets",

Array([ObjectId(x, "asset") for x in kwargs["markets"]]),

]

)

sorted_options = [

("null_ext", Null_ext),

("owner_special_authority", SpecialAuthority),

("active_special_authority", SpecialAuthority),

("buyback_options", Buyback_options),

]

class CallOrderExtension(Extension):

def targetCollateralRatio(value):

if value:

return Uint16(value)

else:

return None

sorted_options = [("target_collateral_ratio", targetCollateralRatio)]

class AssertPredicate(Static_variant):

def __init__(self, o):

class Account_name_eq_lit_predicate(GrapheneObject):

def __init__(self, *args, **kwargs):

kwargs.update(args[0])

super().__init__(

OrderedDict(

[

("account_id", ObjectId(kwargs["account_id"], "account")),

("name", String(kwargs["name"])),

]

)

class Asset_symbol_eq_lit_predicate(GrapheneObject):

def __init__(self, *args, **kwargs):

kwargs.update(args[0])

super().__init__(

OrderedDict(

[

("asset_id", ObjectId(kwargs["asset_id"], "asset")),

("symbol", String(kwargs["symbol"])),

]

)

class Block_id_predicate(GrapheneObject):

def __init__(self, *args, **kwargs):

kwargs.update(args[0])

super().__init__(OrderedDict([("id", BlockId(kwargs["id"]))]))

id = o[0]

if id == 0:

data = Account_name_eq_lit_predicate(o[1])

elif id == 1:

data = Asset_symbol_eq_lit_predicate(o[1])

elif id == 2:

data = Block_id_predicate(o[1])

else:

raise ValueError("Unknown {}".format(self.__class__.name))

super().__init__(data, id)

python-bitshares/bitsharesbase/objects.py at master · lebinbit/python-bitshares · GitHub

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