In order to determine the current block height one can call getblockcount but I see no equivalent in order to determine the value used for nBlocktime (the average time of the last six blocks if I recall correctly).
When determining when a CLTV transaction is going to be "ready to send" (without actually attempting to send it) this would be helpful.
Or is there already a method to determine this from RPC calls?
$ ~/bitcoin/src/bitcoin-cli getblockchaininfo
{
"chain": "main",
"blocks": 439009,
"headers": 439009,
"bestblockhash": "0000000000000000004b21e8d764c7b8d46cdda8d65de23f16ff2a0124ca9070",
"difficulty": 254620187304.0614,
"mediantime": 1479204735,
"verificationprogress": 0.9999974299335723,
"chainwork": "0000000000000000000000000000000000000000002eb229f12576c1dbb64496",
"pruned": false,
"softforks": [
