Return the raw transaction data.
By default this function only works for mempool transactions. When called with a blockhash argument, getrawtransaction will return the transaction if the specified block is available and the transaction is found in that block. When called without a blockhash argument, getrawtransaction will return the transaction if it is in the mempool, or if -txindex is enabled and the transaction is in a block in the blockchain.
Hint: Use gettransaction for wallet transactions.
If verbose is true, returns an Object with information about txid.
If verbose is false or omitted, returns a string that is serialized, hex-encoded data for txid.
Argument #1 - txid Type: string, required The transaction id
Argument #2 - verbose Type: boolean, optional, default=false If false, return a string, otherwise return a json object
Argument #3 - blockhash Type: string, optional The block in which to look for the transaction