Using the reverse oracle contract by @ricardocr987: https://github.com/aleph-im/aleph-solana-contract

It seems already to be integrated on https://multichain.api.aleph.cloud/, but the indexer needs to be reviewed if it works correctly.

Right now, there is no fetcher configured for Solana. This needs to be done: https://github.com/aleph-im/pyaleph/blob/master/src/aleph/chains/solana.py