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verifier: if we fail to verify SPV proof, disconnect from server

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SomberNight 2018-09-08 18:10:21 +02:00
parent 4a88ca1a3a
commit c49e563881
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1 changed files with 3 additions and 8 deletions
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11
electrum/verifier.py
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@ -24,12 +24,11 @@
import asyncio
from typing import Sequence, Optional
from aiorpcx import TaskGroup
from .util import ThreadJob, bh2u, VerifiedTxInfo, aiosafe
from .util import ThreadJob, bh2u, VerifiedTxInfo
from .bitcoin import Hash, hash_decode, hash_encode
from .transaction import Transaction
from .blockchain import hash_header
from .interface import GracefulDisconnect
class MerkleVerificationFailure(Exception): pass
@ -94,14 +93,10 @@ class SPV(ThreadJob):
verify_tx_is_in_block(tx_hash, merkle_branch, pos, header, tx_height)
except MerkleVerificationFailure as e:
self.print_error(str(e))
# FIXME: we should make a fresh connection to a server
# to recover from this, as this TX will now never verify
return
raise GracefulDisconnect(e)
# we passed all the tests
self.merkle_roots[tx_hash] = header.get('merkle_root')
try:
# note: we could pop in the beginning, but then we would request
# this proof again in case of verification failure from the same server
self.requested_merkle.remove(tx_hash)
except KeyError: pass
self.print_error("verified %s" % tx_hash)