elements Elementsd wallet crash when dealing with blinded assets, but with explicit values.

In elements 0.21.0(and possibly future versions)

elementsd: wallet/wallet.cpp:5575: void CWalletTx::GetBlindingData(unsigned int, const std::vector<unsigned char>&, const CConfidentialValue&, const CConfidentialAsset&, CConfidentialNonce, const CScript&, CPubKey*, CAmount*, uint256*, CAsset*, uint256*) const: Assertion `conf_value.GetAmount() == amount' failed.

This occurred when trying to use gettransaction on a transaction whose output has explicit value but blinded asset. To reproduce, send money to wallet-controlled address with an explicit amount, but confidential asset.

Aug 01 '22 08:08 sanket1729

:( we really need to rewrite the wallet blinding logic

Aug 01 '22 17:08 apoelstra

Do you have the transaction? Curious what the offending output(s) look like.

Aug 01 '22 18:08 apoelstra

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Aug 01 '22 18:08 sanket1729

This is fixed in the latest release

Dec 04 '22 13:12 sanket1729

This was addressed by https://github.com/ElementsProject/elements/pull/1134 . #1105 should be reopened

Dec 05 '22 02:12 sanket1729