48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
# standard imports
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import datetime
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# external imports
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from hexathon import (
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add_0x,
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strip_0x,
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)
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from chainqueue.adapters.base import Adapter
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from chainqueue.enum import StatusBits
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class SessionIndexAdapter(Adapter):
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def __init__(self, backend, session_index_backend=None, pending_retry_threshold=0, error_retry_threshold=0):
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super(SessionIndexAdapter, self).__init__(backend, pending_retry_threshold=pending_retry_threshold, error_retry_threshold=error_retry_threshold)
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self.session_index_backend = session_index_backend
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def add(self, tx_raw_signed_hex, chain_spec, session=None):
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bytecode = bytes.fromhex(strip_0x(tx_raw_signed_hex))
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tx = self.translate(bytecode, chain_spec)
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r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)
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if r:
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session.rollback()
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session.close()
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return None
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r = self.backend.cache(tx, session=session)
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if self.session_index_backend != None:
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session.flush()
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self.session_index_backend.add(chain_spec, tx['hash'], session=session)
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session.commit()
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return tx['hash']
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def upcoming(self, chain_spec, session=None):
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txs = self.backend.get(chain_spec, self.translate, session=session, status=StatusBits.QUEUED, not_status=StatusBits.IN_NETWORK)
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before = datetime.datetime.utcnow() - self.error_retry_threshold
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errored_txs = self.backend.get(chain_spec, self.translate, session=session, status=StatusBits.LOCAL_ERROR, not_status=StatusBits.FINAL, before=before, requeue=True)
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for tx_hash in errored_txs.keys():
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txs[tx_hash] = errored_txs[tx_hash]
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return txs
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def get(self, tx_hash, chain_spec, session=None):
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tx_summary = self.backend.get_otx(chain_spec, tx_hash, session=session)
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return tx_summary['signed_tx']
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