Add the transaction hash to the transactions in the getTransactions response

[leighmcculloch]

What problem does your feature solve?

Make getting the identifier/hash of a transaction accessible.

What would you like to see?

Request:

{
  "jsonrpc": "2.0",
  "id": ...,
  "method": "getTransactions",
  "params": {
    "startLedger": ...,
  },
}

Response:

 {
   jsonrpc: "2.0",
   id: 0,
   result: {
     transactions: [
       {
+        hash: "30bfb0802d9aea95e9341c753b33ac78d9bb206c5bf110829b4026a4c00c2821",
         status: "FAILED",
         applicationOrder: 1,
         feeBump: false,
         envelopeXdr: "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",
         resultXdr: "AAAAAAAAAMj/////AAAAAgAAAAAAAAAB////+wAAAAAAAAAB////+wAAAAA=",
         resultMetaXdr: "AAAAAwAAAAAAAAACAAAAAwAOsp4AAAAAAAAAAGtqKwFc2BE9h8HXpzd974AYAfoP9eslNknLjAx8oERgAAAAF0WMiFwAABq4AAOPPAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAMAAAAAAA6ymQAAAABmtgMYAAAAAAAAAAEADrKeAAAAAAAAAABraisBXNgRPYfB16c3fe+AGAH6D/XrJTZJy4wMfKBEYAAAABdFjIhcAAAauAADjz0AAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAADAAAAAAAOsp4AAAAAZrYDMQAAAAAAAAAAAAAAAAAAAAA=",
         ledger: 963230,
         createdAt: 1723204401
       },

What alternatives are there?

Alternatively developers can derive the hash by decoding the envelopeXdr, extracting the transaction, embedding the transaction into the transaction signed payload structure, embedding the appropriate network passphrase, xdr encoding the structure, and hashing it.