Mempool txs in GET_TRANSACTION and GET_ACCOUNT_INFO

[slowbackspace]

Blockfrost has API for retrieving txs that are not yet on chain, but are stored in mempool https://docs.blockfrost.io/#tag/cardano--mempool
Let's include these transactions into:

• GET_ACCOUNT_INFO (for details="txs" and details="txids")
  • To keep backwards compatibility let's introduce it behind new optional parameter includeMempoolTxs: boolean
  • the txs themselves (variant with details="txs" ) should contain an additional field, mempool: boolean, to indicate whether the transaction is in the mempool
• GET_TRANSACTION
  • same parameter includeMempoolTxs: boolean as above
  • add info into the tx payload (mempool: boolean) so the client can easily distinct if the tx is in mempool or not, without needing to compare the results with the variant without includeMempoolTxs param

In both cases the base format of the mempool tx must be the same as the format for on-chain tx. Mempool tx object may contain additional props.

[slowbackspace]

Ohh putting this feature request on hold as this is actually not something that is doable today as RYO still lack support for the mempool endpoint.