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core/sign_tx: Require change-outputs to be for a non-zero amount.

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Andrew Kozlik 2020-05-05 09:43:18 +02:00 committed by Andrew Kozlik
parent d5faeb3f51
commit bdd1d25979
1 changed files with 1 additions and 0 deletions
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core/src/apps/wallet/sign_tx/bitcoin.py
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@ -490,6 +490,7 @@ class Bitcoin:
self.wallet_path.output_matches(txo)
and txo.address_n[-2] <= _BIP32_CHANGE_CHAIN
and txo.address_n[-1] <= _BIP32_MAX_LAST_ELEMENT
and txo.amount > 0
)
# Tx Inputs