Safe Mode

Safe Mode while Consensus Forks

This command is used to protect miners when there is a consensus fork in the blockchain, stopping the generation of block templates and the acceptance of transactions.

You can use mvc-cli help command to view the usage of specific commands. The JsonRpc call method is in the example.

Commands

== Safemode ==
getsafemodeinfo
ignoresafemodeforblock "blockhash"
reconsidersafemodeforblock "blockhash"

getsafemodeinfo

Returns safe mode status.

getsafemodeinfo

Returns safe mode status.

Arguments:

Result:
{
  "safemodeenabled": <true/false>,
  "activetip": {
    "hash": "<block_hash>",
    "height": <height>,
    "blocktime": "<time UTC>",
    "firstseentime": "<time UTC>",
    "status": "active"
  },
  "timeutc": "<time_of_the_message>",
  "reorg": {
    "happened": <true/false>,
    "numberofdisconnectedblocks": <number>,
    "oldtip": {
      "hash": "<block_hash>",
      "height": <height>,
      "blocktime": "<time UTC>",
      "firstseentime": "<time UTC>",
      "status": "<block_header_status>"
    }
  },
  "forks": [
    {
      "forkfirstblock": {
        "hash": "<block_hash>",
        "height": <height>,
        "blocktime": "<time UTC>",
        "firstseentime": "<time UTC>",
        "status": "<block_header_status>"
      },
      "tips": [
        {
          "hash": "<block_hash>",
          "height": <height>,
          "blocktime": "<time UTC>",
          "firstseentime": "<time UTC>",
          "status": "<block_header_status>"
        },
        ...
      ],
      "lastcommonblock": {
        "hash": "<block_hash>",
        "height": <height>,
        "blocktime": "<time UTC>",
        "firstseentime": "<time UTC>",
        "status": "active"
      },
      "activechainfirstblock": {
        "hash": "<block_hash>",
        "height": <height>,
        "blocktime": "<time UTC>",
        "firstseentime": "<time UTC>",
        "status": "active"
      },
    },
         ...
  ]
}


Examples:
> mvc-cli getsafemodeinfo
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getsafemodeinfo", "params": [] }' -H 'content-type: text/plain;' http://127.0.0.1:9882/

ignoresafemodeforblock

Specified block, and all its descendants, will be ignored for safe mode activation.

Param：

blockhash (string, required)

ignoresafemodeforblock "blockhash"

Specified block, and all its descendants, will be ignored for safe mode activation.

Arguments:
1. "blockhash"   (string, required) the hash of the block which we want to ignore.

Result:

Examples:
> mvc-cli ignoresafemodeforblock "blockhash"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "ignoresafemodeforblock", "params": ["blockhash"] }' -H 'content-type: text/plain;' http://127.0.0.1:9882/

reconsidersafemodeforblock

Specified block, and all its ancestors, will be considered for safe mode activation.

Param：

blockhash (string, required)

reconsidersafemodeforblock "blockhash"

Specified block, and all its ancestors, will be considered for safe mode activation.

Arguments:
1. "blockhash"   (string, required) the hash of the block for which we want

Result:

Examples:
> mvc-cli reconsidersafemodeforblock "blockhash"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "reconsidersafemodeforblock", "params": ["blockhash"] }' -H 'content-type: text/plain;' http://127.0.0.1:9882/

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