Accepts the transaction into mined blocks at a higher (or lower) priority.
txidstringREQUIREDdummynumberoptionalfee_deltanumberREQUIREDcurl --user myuser --data-binary '{"jsonrpc":"1.0","id":"1","method":"prioritisetransaction","params":["txid",0,10000]}' -H 'content-type:text/plain;' http://127.0.0.1:8332/true