async def build_transfer(
self,
to: str,
amount: int,
token: Token,
fee: int,
nonce: Optional[int] = None,
valid_from: int = DEFAULT_VALID_FROM,
valid_until: int = DEFAULT_VALID_UNTIL,
) -> Tuple[Transfer, TxEthSignature]:
"""
This function takes as a parameter the integer amount/fee of lowest token denominations (wei, satoshi, etc.)
"""
if nonce is None:
nonce = await self.zk_provider.get_account_nonce(self.address())
account_id = await self.get_account_id()
transfer = Transfer(account_id=account_id, from_address=self.address(),
to_address=to.lower(),
amount=amount, fee=fee,
nonce=nonce,
valid_from=valid_from,
valid_until=valid_until,
token=token)
eth_signature = self.eth_signer.sign_tx(transfer)
zk_signature = self.zk_signer.sign_tx(transfer)
transfer.signature = zk_signature
return transfer, eth_signature
async def build_transfer(
self,
to: str,
amount: Decimal,
token: TokenLike,
fee: Decimal = None,
valid_from=DEFAULT_VALID_FROM,
valid_until=DEFAULT_VALID_UNTIL
) -> Tuple[Transfer, TxEthSignature]:
account_id, nonce = await self.zk_provider.get_account_nonce(
self.address())
token = await self.resolve_token(token)
if fee is None:
fee = await self.zk_provider.get_transaction_fee(
FeeTxType.transfer, to, token.id)
fee = fee.total_fee
else:
fee = token.from_decimal(fee)
transfer = Transfer(account_id=account_id,
from_address=self.address(),
to_address=to,
amount=token.from_decimal(amount),
fee=fee,
nonce=nonce,
valid_from=valid_from,
valid_until=valid_until,
token=token)
eth_signature = await self.eth_signer.sign_tx(transfer)
zk_signature = self.zk_signer.sign_tx(transfer)
transfer.signature = zk_signature
return transfer, eth_signature
async def _process_transfer(self, obj):
if not obj[self.IS_ENCODED_TRANSACTION]:
account_id = await self.wallet.get_account_id()
token = await self.wallet.resolve_token(obj["token"])
fee = obj["fee"]
if fee is None:
fee = await self.wallet.zk_provider.get_transaction_fee(
FeeTxType.transfer, obj["to_address"], token.id)
fee = fee.total_fee
else:
fee = token.from_decimal(fee)
amount = token.from_decimal(obj["amount"])
transfer = Transfer(account_id=account_id,
from_address=obj["from_address"].lower(),
to_address=obj["to_address"].lower(),
token=token,
amount=amount,
fee=fee,
nonce=self.nonce,
valid_from=obj["valid_from"],
valid_until=obj["valid_until"])
zk_signature = self.wallet.zk_signer.sign_tx(transfer)
transfer.signature = zk_signature
else:
token = await self.wallet.resolve_token(obj["token"])
transfer = Transfer(account_id=obj["accountId"],
from_address=obj["from"],
to_address=obj["to"],
token=token,
amount=obj["amount"],
fee=obj["fee"],
nonce=self.nonce,
valid_from=obj["validFrom"],
valid_until=obj["validUntil"],
signature=obj["signature"])
self.nonce += 1
return transfer