node

This module allows you to get information about the node and blockchain. It can be accessed from the global variable node.

getBlock

node.getBlock(height)

Get a tendermint block at the given height.

Parameters

1. height - String|Number: The target block height

Returns

Tendermint Block

Example

node.getBlock(101)

getHeight

node.getHeight()

Get the current height of the blockchain.

Returns

String - The height of the node.

Example

JavaScript

node.getHeight()

Output

"123"

getBlockInfo

node.getBlockInfo(height)

Get a summary block at the given height. This block information is indexed by MakeOS (not Tendermint).

Parameters

1. height - String|Number: The target block height

Returns

String - The height of the node.

Example

JavaScript

node.getBlockInfo(101)

Output

{
    "appHash": "taKg/qP1ER5I4kI6Kw9es1aWNZtYklVh1WhhMJm5LLw=",
    "hash": "Id6OEYekHgLNiT7ZEGibbkVJZnMREgUUnRxWoLM1pPc=",
    "height": "101",
    "lastAppHash": "0dmLRT0oSfxQroggDk/2hnGDDGwU+CX4iH/nhPPX1i8=",
    "proposerAddress": "3PSYFHDDgGUTdOrG+1DY5aX92B4=",
    "time": "1597666979"
}

getValidators

node.getValidators(height)

Get a list of validators that processed a given block.

Parameters

1. height - String|Number: The target block height whose validators will be returned.

Returns

Object - The result object

Example

JavaScript

node.getValidators(101)

Output

[
    {
        "address": "os1858effdlfecl30hgq0dvpesygp2daf97malemz",
        "publicKey": "48gS3kCMVTJjHvJBwuQXXAFwYgJiATE7xJY34UuAJVbuHDoEZ2V",
        "ticketId": "0x",
        "tmAddress": "DCF4981470C380651374EAC6FB50D8E5A5FDD81E"
    }
]

isSyncing

node.isSyncing()

Checks whether the node is currently synchronizing blocks and state with peers.

Returns

Boolean

Example

JavaScript

node.isSyncing()

Output

true