[BUG] Get foldBlocks working with cardano-testnet

[eyeinsky]

Internal

Area
Other: Marconi indexer

Summary
Get cardano-testnet running with the foldBlocks function in cardano-api.

Steps to reproduce
Steps to reproduce the behavior:

1. Start Testnet.Cardano.testnet (renamed to cardanoTestnet on current master, but plutus-apps is on 1.35.3)
2. start foldBlocks on the socket and with the configuration.yaml that testnet uses
3. receive error Failed to read or parse the network config file: Error parsing node config: AesonException \"Error in $: key \\\"ByronGenesisHash\\\" not found\"

After adding the key ByronGenesisHash, then the next error is about missing ShelleyGenesisHash, after which the testnet doesn't start.

ByronGenesisHash was created using readGenesisData from cardano-ledger, ShelleyGenesisHash by implementing the hash creation part from cardano-api:Cardano.Api.LedgerState.

Expected behavior

foldBlocks would start receiving LedgerStates

System info (please complete the following information):

• OS Name: NixOS
• OS Version nixos-unstable
• Node version: 1.35.3
• CLI version: 1.35.3

[eyeinsky]

@Jimbo4350 I've added a (failing) test case to test/Test/FoldBlocks.hs in this branch here: https://github.com/eyeinsky/cardano-node/tree/ml/foldblocks-test

[github-actions]

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