https://www.multichain.com/qa/tag/empty-rounds Powered by Question2Answer https://www.multichain.com/qa/12528/how-does-mine-empty-rounds-work-as-a-runtime-parameter <p>As per the description of&nbsp;<span style="font-family:arial; font-size:10pt">mine-empty-rounds parameter it is clear that how many rounds of empty blocks will be mined before confirming the next set of transactions. But I'm not able to understand how the blockchain would behave if&nbsp;</span><span style="color:rgb(199, 37, 78); font-family:menlo,monaco,consolas,courier new,monospace; font-size:12.6px">mineemptyrounds</span><span style="font-family:arial; font-size:10pt"> runtime parameter is set to different values across different mining nodes. Can you please explain to me how this would work?</span></p> https://www.multichain.com/qa/12528/how-does-mine-empty-rounds-work-as-a-runtime-parameter Wed, 23 Jan 2019 09:38:59 +0000 https://www.multichain.com/qa/5485/problem-with-mine-empty-rounds-0 If I run a blockchain with params below<br /> <br /> the command<br /> &gt; multichain-cli catena publish root t1 ae<br /> <br /> outputs<br /> {&quot;method&quot;:&quot;publish&quot;,&quot;params&quot;:[<br /> <br /> &quot;root&quot;,&quot;t1&quot;,&quot;ae&quot;],&quot;id&quot;:1,&quot;chain_name&quot;:&quot;catena&quot;}<br /> <br /> error code: -4<br /> error message:<br /> No unspent outputs are available. Please send a transaction, with zero amount, to this node or address first and wait for its confirmation.<br /> <br /> If instead I put<br /> mine-empty-rounds = -1<br /> or<br /> mine-empty-rounds = n, n&gt;0 (e.g. 5)<br /> <br /> taking all other parameters the same it works fine.<br /> <br /> What is the problem?<br /> <br /> &nbsp;<br /> <br /> # ==== MultiChain configuration file ====<br /> # Created by multichain-util<br /> # Protocol version: 10007<br /> # This parameter set is VALID.<br /> # Basic chain parameters<br /> <br /> chain-protocol = multichain &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> chain-description = Blockchain privata<br /> root-stream-name = root &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> root-stream-open = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> chain-is-testnet = true &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> target-block-time = 60 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> maximum-block-size = 8388608 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> # Global permissions<br /> anyone-can-connect = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> anyone-can-send = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> anyone-can-receive = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> anyone-can-receive-empty = true &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> anyone-can-create = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> anyone-can-issue = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> anyone-can-mine = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> anyone-can-activate = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> anyone-can-admin = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> support-miner-precheck = true &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> allow-p2sh-outputs = true &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> allow-multisig-outputs = true &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> # Consensus requirements<br /> setup-first-blocks = 1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> mining-diversity = 0.9 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> admin-consensus-admin = 0.6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> admin-consensus-activate = 0.6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> admin-consensus-mine = 0.6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> admin-consensus-create = 0.6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> admin-consensus-issue = 0.6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> # Defaults for node runtime parameters<br /> lock-admin-mine-rounds = 10 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> mining-requires-peers = true &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> mine-empty-rounds = 0.0 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> mining-turnover = 0.5 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> # Native blockchain currency (likely not required)<br /> initial-block-reward = 0 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> first-block-reward = -1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> reward-halving-interval = 52560000 &nbsp;&nbsp;&nbsp;&nbsp;<br /> reward-spendable-delay = 1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> minimum-per-output = 0 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> maximum-per-output = 0 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> minimum-relay-fee = 0 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> native-currency-multiple = 100000000 &nbsp;<br /> # Advanced mining parameters<br /> skip-pow-check = true &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> pow-minimum-bits = 1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> target-adjust-freq = -1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> allow-min-difficulty-blocks = false &nbsp;&nbsp;&nbsp;<br /> # Standard transaction definitions<br /> only-accept-std-txs = false &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> max-std-tx-size = 4194304 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> max-std-op-returns-count = 10 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> max-std-op-return-size = 2097152 &nbsp;&nbsp;&nbsp;&nbsp;<br /> max-std-op-drops-count = 5 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /> max-std-element-size = 8192 https://www.multichain.com/qa/5485/problem-with-mine-empty-rounds-0 Thu, 29 Jun 2017 12:07:10 +0000