56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
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# third-party imports
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from sqlalchemy import Column, Enum, String, Integer
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from sqlalchemy.ext.hybrid import hybrid_method
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# local imports
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from .base import SessionBase
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from ..error import UnknownConvertError
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class TxConvertTransfer(SessionBase):
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"""Table describing a transfer of funds after conversion has been successfully performed.
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:param convert_tx_hash: Transaction hash of convert transaction
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:type convert_tx_hash: str, 0x-hex
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:param recipient_address: Ethereum address of recipient of resulting token balance of conversion
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:type recipient_address: str, 0x-hex
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:param chain_str: Chain spec string representation
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:type chain_str: str
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"""
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__tablename__ = 'tx_convert_transfer'
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#approve_tx_hash = Column(String(66))
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convert_tx_hash = Column(String(66))
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transfer_tx_hash = Column(String(66))
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recipient_address = Column(String(42))
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@hybrid_method
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def transfer(self, transfer_tx_hash):
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"""Persists transaction hash of performed transfer. Setting this ends the lifetime of this record.
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"""
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self.transfer_tx_hash = transfer_tx_hash
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@staticmethod
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def get(convert_tx_hash):
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"""Retrieves a convert transfer record by conversion transaction hash in a separate session.
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:param convert_tx_hash: Transaction hash of convert transaction
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:type convert_tx_hash: str, 0x-hex
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"""
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session = SessionBase.create_session()
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q = session.query(TxConvertTransfer)
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q = q.filter(TxConvertTransfer.convert_tx_hash==convert_tx_hash)
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r = q.first()
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session.close()
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if r == None:
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raise UnknownConvertError(convert_tx_hash)
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return r
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def __init__(self, convert_tx_hash, recipient_address, chain_str):
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self.convert_tx_hash = convert_tx_hash
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self.recipient_address = recipient_address
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self.chain_str = chain_str
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