Ege Caner

### Description While I testing [this](https://github.com/NethermindEth/juno/blob/c2cdb7ad77baf5b379eaac8a7be6b99fed420df8/migration/migration.go#L927) migration on Sepolia, I noticed that migration was failing without [this](https://github.com/NethermindEth/juno/blob/c2cdb7ad77baf5b379eaac8a7be6b99fed420df8/migration/migration.go#L975) check. There were some Sierra classes which hash missing `Compiled` class. These are...

Seems like not all Casm Classes has ByteCodeSegmentLenghts field, rust type definition uses Option type. This difference in representation was causing inconsistencies while go-rust communication, while rust was expecting Option::None,...

recieved transaction stream in 'starknet_subscribeNewTransactions'

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The RPCv9 WebSocket method starknet_subscribeNewTransactions enables users to subscribe to incoming transactions with filtering options based on their status. In addition to streaming transactions from newly finalized blocks, including those...