getblockhash index
Returns hash of block in best-block-chain at index provided.
index (numeric, required)
The block index
"hash" (string) The block hash
smileycoin-cli getblockhash 1000
curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getblockhash", "params": [1000] }' -H 'content-type: text/plain;' http://127.0.0.1:9332/