CoinSelection-UseRandomImprove: "The binary key cannot have an odd number of digits" - testnet env

[JhonatanMdz]

Im getting the error "The binary key cannot have an odd number of digits" when trying to perform a coin selection using "UseRandomImprove" strategy on cardano testnet environment, please check the code below:

`List encodedUtxos = new List()
{
"8282582046ecc0033a70b360fe45537091ca9dcb52238060545235ca203129448cf4bac50082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a001bc33b",
"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",
"828258202013fb4b69f5e83dd98678ec34f0677c17939957fc0ea22afb2b83e64123c83c0082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a001bc33b",
"828258208741c6b5b913a53bdcaae7344f9d0bf4dd7a9d8ea5e5b1e67742fcec539897570082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a001bc33b",
"828258200c32034146fb94e581bdd5b04af436a44e519e7bec3b845a2ae68bd32f4760630082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a001bc33b",
"828258205ea25e963a1d309fc7c312a6b637b72bc2cd716d2273f4d170f5a60131fdd6270082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a001bc33b",
"828258205ea25e963a1d309fc7c312a6b637b72bc2cd716d2273f4d170f5a60131fdd6270082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a001bc33b",
"828258201b59da607cf691f92080f38f43cfd14f57902d8e2c080a7cc3fcd3c300210bdf0082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a001bc33b",
"82825820896257251e70af85fecff43ce87d11f242bd787c637b39b33179dc97399178800082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a001bc33b",
"828258206c69975778efed999ad96366c431d47575707e7c09ff6c004dd27166b2036d660082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a0018ff36",
"828258206b388166c06e39e8ff278a76f2ae90ae88b26547140b857e6c3ae83e1e1dc8960182583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a821a001e8480a1581c231aff70355327339e962028873bab4af1a3e1605d472806f30b4aada146546f6b656e3101",
"82825820c20dfc86db12c57285be5d04ec0b6e183480eacf4d77041ee01333d6e69685e10182583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a821a001e8480a1581c231aff70355327339e962028873bab4af1a3e1605d472806f30b4aada146546f6b656e3101",
"828258209822c29d6d60d66de34ce9fa199563380c42f8ac60e028344561d09c3bff52be0182583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a821a001e8480a1581c231aff70355327339e962028873bab4af1a3e1605d472806f30b4aada146546f74696f3101",
"82825820461836a03e45a5ebda2ab659822fa3f506d7eac89ff40b93ac7e255753c1f2190182583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a821a001e8480a1581c231aff70355327339e962028873bab4af1a3e1605d472806f30b4aada146546f74696f3101",
"828258201133f32071a317b7f809f56b2bd0d020a2c4b1d3a93be5906d6ee15b21b6a47c0182583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a821a001e8480a1581c231aff70355327339e962028873bab4af1a3e1605d472806f30b4aada146546f74696f3101",
"8282582071d5e26b48bb2dd2aadd3c3bee6db99bd6d18a3e6d8bd9b912131382cf0d6e7d0182583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a821a001e8480a1581c231aff70355327339e962028873bab4af1a3e1605d472806f30b4aada146546f6b656e3101",
"8282582071d5e26b48bb2dd2aadd3c3bee6db99bd6d18a3e6d8bd9b912131382cf0d6e7d0282583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a328fc20b",
"82825820448b9b507030d270e287907e3549f33d659cd2541434895040d33a3c1e70bd070082583900c9545514cf191b89f2a27063adfefceaff866557c192df5482942ae438cc1f407e7de7c548a6a62e4814744c949ba1c6282238c55a6acd3a1a006acfc0"
};

        PolicyManager policyManager = new PolicyManager();
        Address paymentAddr = new Address("addr_test1qprk02ddd6ar60qjlh4gmvgy3hxqcezx4yl452yl0tley9kx6zphf83h8hh9d7nfnmlt3gs8n545k2u38kq30f3mzlxqd7rhtf");
        List<Utxo> utxos = new List<Utxo>();
        try

        {
            encodedUtxos.ForEach(e => utxos.Add(UtxoExtensions.GetUtxo(CBORObject.DecodeFromBytes(e.HexToByteArray()))));
            var customerAddressString = utxos[0].OutputAddress;
            Address customerAddr = new Address(customerAddressString);
            var scriptPolicy = policyManager.GetPolicyScript();
            var transactionBody = TransactionBodyBuilder.Create;
            transactionBody.AddOutput(paymentAddr.GetBytes(), 7000000);
            var policyId = scriptPolicy.Build().GetPolicyId();
            ITokenBundleBuilder tokenBundleBuilder = TokenBundleBuilder.Create
                .AddToken(policyId, "Token1".ToBytes(), 1);
            transactionBody.AddOutput(customerAddr.GetBytes(), 2000000, tokenBundleBuilder, outputPurpose: OutputPurpose.Mint);
            transactionBody.SetMint(tokenBundleBuilder);
            var coinSelection = ((TransactionBodyBuilder)transactionBody).UseRandomImprove(utxos, customerAddr.ToString(), tokenBundleBuilder);
        }
        catch (Exception ex)
        {
            throw new Exception(ex.Message);
        }`

[nothingalike]

@NicholasMaselli youre the coin selection guru