tGracefully handle the failure to find an input UTXO - electrum-personal-server - Maximally lightweight electrum server for a single user
HTML git clone https://git.parazyd.org/electrum-personal-server
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---
DIR commit 8338b0883b78bdbb36af1d9d2d01faf11c9312aa
DIR parent 9905d94ac900f47f9a7ed847d4520472b5838391
HTML Author: chris-belcher <chris-belcher@users.noreply.github.com>
Date: Mon, 21 May 2018 20:38:09 +0100
Gracefully handle the failure to find an input UTXO
generate_new_history_element() will now also check `getrawtransaction`
for an input UTXO and wont crash if even that isn't found.
Diffstat:
M electrumpersonalserver/transaction… | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
---
DIR diff --git a/electrumpersonalserver/transactionmonitor.py b/electrumpersonalserver/transactionmonitor.py
t@@ -208,14 +208,21 @@ class TransactionMonitor(object):
utxo = self.rpc.call("gettxout", [inn["txid"], inn["vout"],
False])
if utxo is None:
- self.debug("utxo not found(!)")
- #TODO detect this and figure out how to tell
- # electrum that we dont know the fee
- total_input_value += int(Decimal(utxo["value"]) * Decimal(1e8))
- unconfirmed_input = (unconfirmed_input or
- utxo["confirmations"] == 0)
- self.debug("total_input_value = " + str(total_input_value))
+ rawtx = self.rpc.call("getrawtransaction", [inn["txid"],
+ True])
+ if rawtx is not None:
+ utxo = {"confirmations": rawtx["confirmations"],
+ "value": rawtx["vout"][inn["vout"]]["value"]}
+ if utxo is not None:
+ total_input_value += int(Decimal(utxo["value"]) *
+ Decimal(1e8))
+ unconfirmed_input = (unconfirmed_input or
+ utxo["confirmations"] == 0)
+ else:
+ # Electrum will now display a weird negative fee
+ self.log("WARNING: input utxo not found(!)")
+ self.debug("total_input_value = " + str(total_input_value))
fee = total_input_value - sum([int(Decimal(out["value"])
* Decimal(1e8)) for out in txd["vout"]])
height = -1 if unconfirmed_input else 0