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Introduction

Public REST API

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Crypto JSON-RPC

Getting Started

Info

Get core version

Method

info.coreVersion

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes
result.currentVersion string Used core version. Yes
result.latestVersion string Latest core version from NPM. Yes

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.coreVersion",
	"params": {}
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {
        "currentVersion": "3.0.0-next.8",
        "latestVersion": "3.0.0-next.8"
    }
}

Update core

Method

info.coreUpdate

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.coreUpdate",
	"params": {}
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {}
}

Get core status

Method

info.coreStatus

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes
params.token string Token name. No

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes
result.status string Core / rely process status. Yes
result.syncing boolean Determine if node is currently syncing No

Process statuses

  • undefined
  • online
  • stopped
  • stopping
  • waiting restart
  • launching
  • errored
  • one-launch-status

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.coreStatus",
	"params": { "token": "ark" }
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {
        "processStatus": "online",
        "syncing": false
    }
}

Get blockchain height

Method

info.blockchainHeight

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes
result.height number Node height. Yes
result.randomNodeHeight number Random node height. No
result.randomNodeIp string Random node ip. No

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.blockchainHeight",
	"params": {}
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {
        "height": 766,
        "randomNodeHeight": 765,
        "randomNodeIp": "127.0.0.1"
    }
}

Get system resources

Method

info.resources

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes
result.cpu object CPU information. Yes
result.cpu.total number Total CPU resources (%). Yes
result.cpu.used number Used CPU resources (%). Yes
result.cpu.available number Available CPU resources (%). Yes
result.ram object RAM information. Yes
result.ram.total number Total memory (KB). Yes
result.ram.used number Used memory (KB). Yes
result.ram.available number Available memory (KB). Yes
result.disk object Disk information. Yes
result.disk.filesystem string Filesystem identification. Yes
result.disk.total number Total disk space (KB). Yes
result.disk.used number Used disk space (KB). Yes
result.disk.available number Available disk space (KB). Yes
result.disk.mountpoint string Mountpoint. Yes

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.resources",
	"params": {}
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {
        "cpu": {
            "total": 100,
            "used": 12.37319548903266,
            "available": 87.62680451096733
        },
        "ram": {
            "total": 16777216,
            "used": 16711196,
            "available": 66020
        },
        "disk": {
            "filesystem": "/dev/disk1s2",
            "total": 488245288,
            "used": 334654912,
            "available": 153590376,
            "mountpoint": "/System/Volumes/Data"
        }
    }
}

Get database size

Method

info.databaseSize

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes
result.size number Database size (KB). Yes

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.databaseSize",
	"params": {}
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {
        "size": 100000
    }
}

Get next forging slot

Method

info.nextForgingSlot

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes
params.token string Token name. No

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes
result.remainingTime number Remaining time till next slot. (ms). Yes

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.nextForgingSlot",
	"params": {}
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {
        "remainingTime": 7000
    }
}

Get last forged block

Method

info.lastForgedBlock

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes
params.token string Token name. No

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.lastForgedBlock",
	"params": {}
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {
        "serialized": "0000000068b3da0653040000e4a912ff56bd69a80000000000000000000000000000000000000000000000000000000000000000e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b85503807f9abe33fb390546bb5dcab075dd1136d0b98c54420c8c463c4ed3545161b23045022100eee1e9bea6895793cc1ce1811c8c9b327fb050d229834f20f10fc3d2e0551ac402204d0cc4e557cdc16d002c71e2dddaac7ec6c3f356e677985da1a74becea3e0acc",
        "verification": {
            "errors": [],
            "containsMultiSignatures": false,
            "verified": true
        },
        "transactions": [],
        "data": {
            "id": "963100951063532680",
            "idHex": "0d5d9f3656fb9488",
            "blockSignature": "3045022100eee1e9bea6895793cc1ce1811c8c9b327fb050d229834f20f10fc3d2e0551ac402204d0cc4e557cdc16d002c71e2dddaac7ec6c3f356e677985da1a74becea3e0acc",
            "generatorPublicKey": "03807f9abe33fb390546bb5dcab075dd1136d0b98c54420c8c463c4ed3545161b2",
            "payloadHash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
            "payloadLength": 0,
            "reward": "0",
            "totalFee": "0",
            "totalAmount": "0",
            "numberOfTransactions": 0,
            "previousBlock": "16476721599592884648",
            "previousBlockHex": "e4a912ff56bd69a8",
            "height": 1107,
            "timestamp": 114996072,
            "version": 0
        }
    }
}

Get current delegate

Method

info.currentDelegate

Parameters

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
method string The method name. Yes
params object The parameters of the request. Yes
params.token string Token name. No

Result

Name Type Description Required
id string / number The identifier of the request. Yes
jsonrpc string The protocol version. Yes
result object Result. Yes
result.rank number Delegate rank. Yes
result.username string Delegate username. Yes

Request

{
    "id": "unique-request-id",
	"jsonrpc": "2.0",
	"method": "info.currentDelegate",
	"params": {}
}

Response

{
    "id": "unique-request-id",
    "jsonrpc": "2.0",
    "result": {
        "rank": 9,
        "username": "genesis_30"
    }
}
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