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Info API

This API can be used to access basic information about the node.

Format​

This API uses the json 2.0 RPC format. For more information on making JSON RPC calls, see here.

Endpoint​

/ext/info

API Methods​

info.getBlockchainID​

Given a blockchain’s alias, get its ID. (See admin.aliasChain.)

Signature​

info.getBlockchainID({alias:string}) -> {blockchainID:string}

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.getBlockchainID",
"params": {
"alias":"X"
}
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc":"2.0",
"id" :1,
"result" :{
"blockchainID":"sV6o671RtkGBcno1FiaDbVcFv2sG5aVXMZYzKdP4VQAWmJQnM"
}
}

info.getNetworkID​

Get the ID of the network this node is participating in.

Signature​

info.getNetworkID() -> {networkID:int}

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.getNetworkID"
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc":"2.0",
"id" :1,
"result" :{
"networkID":"2"
}
}

info.getNetworkName​

Get the name of the network this node is participating in.

Signature​

info.getNetworkName() -> {networkName:string}

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.getNetworkName"
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc":"2.0",
"id" :1,
"result" :{
"networkName":"local"
}
}

info.getNodeID​

Get the ID of this node.

Signature​

info.getNodeID() -> {nodeID: string}

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.getNodeID"
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc": "2.0",
"result": {
"nodeID": "NodeID-5mb46qkSBj81k9g9e4VFjGGSbaaSLFRzD"
},
"id": 1
}

info.getNodeIP​

Get the IP of this node.

Signature​

info.getNodeIP() -> {ip: string}

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.getNodeIP"
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc": "2.0",
"result": {
"ip": "192.168.1.1:9651"
},
"id": 1
}

info.getNodeVersion​

Get the version of this node.

Signature​

info.getNodeVersion() -> {
version: string,
databaseVersion: string,
gitCommit: string,
vmVersions: map[string]string,
}

where:

  • version is this node's version
  • databaseVersion is the version of the database this node is using
  • gitCommit is the Git commit that this node was built from
  • vmVersions is map where each key/value pair is the name of a VM, and the version of that VM this node runs

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.getNodeVersion"
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc": "2.0",
"result": {
"version": "avalanche/1.4.10",
"databaseVersion": "v1.4.5",
"gitCommit": "a3930fe3fa115c018e71eb1e97ca8cec34db67f1",
"vmVersions": {
"avm": "v1.4.10",
"evm": "v0.5.5-rc.1",
"platform": "v1.4.10"
}
},
"id": 1
}

info.isBootstrapped​

Check whether a given chain is done bootstrapping

Signature​

info.isBootstrapped({chain: string}) -> {isBootstrapped: bool}

chain is the ID or alias of a chain.

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.isBootstrapped",
"params": {
"chain":"X"
}
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc": "2.0",
"result": {
"isBootstrapped": true
},
"id": 1
}

info.peers​

Get a description of peer connections.

Signature​

info.peers({
nodeIDs: string[] // optional
}) ->
{
numPeers: int,
peers:[]{
ip: string,
publicIP: string,
nodeID: string,
version: string,
lastSent: string,
lastReceived: string,
benched: string[],
observedUptime: int,
}
}
  • nodeIDs is an optional parameter to specify what nodeID's descriptions should be returned. If this parameter is left empty, descriptions for all active connections will be returned. If the node is not connected to a specified nodeID, it will be omitted from the response.
  • ip is the remote IP of the peer.
  • publicIP is the public IP of the peer.
  • nodeID is the prefixed Node ID of the peer.
  • version shows which version the peer runs on.
  • lastSent is the timestamp of last message sent to the peer.
  • lastReceived is the timestamp of last message received from the peer.
  • benched shows chain IDs that the peer is being benched.
  • observedUptime is the uptime of this node observed by the peer.

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.peers",
"params": {
"nodeIDs": []
}
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc":"2.0",
"id" :1,
"result" :{
"numPeers":3,
"peers":[
{
"ip":"206.189.137.87:9651",
"publicIP":"206.189.137.87:9651",
"nodeID":"NodeID-8PYXX47kqLDe2wD4oPbvRRchcnSzMA4J4",
"version":"avalanche/0.5.0",
"lastSent":"2020-06-01T15:23:02Z",
"lastReceived":"2020-06-01T15:22:57Z",
"benched": [],
"observedUptime": "99",
},
{
"ip":"158.255.67.151:9651",
"publicIP":"158.255.67.151:9651",
"nodeID":"NodeID-C14fr1n8EYNKyDfYixJ3rxSAVqTY3a8BP",
"version":"avalanche/0.5.0",
"lastSent":"2020-06-01T15:23:02Z",
"lastReceived":"2020-06-01T15:22:34Z",
"benched": [],
"observedUptime": "75",
},
{
"ip":"83.42.13.44:9651",
"publicIP":"83.42.13.44:9651",
"nodeID":"NodeID-LPbcSMGJ4yocxYxvS2kBJ6umWeeFbctYZ",
"version":"avalanche/0.5.0",
"lastSent":"2020-06-01T15:23:02Z",
"lastReceived":"2020-06-01T15:22:55Z",
"benched": [],
"observedUptime": "95",
}
]
}
}

info.getTxFee​

Get the fees of the network.

Signature​

info.getTxFee() ->
{
creationTxFee: uint64,
txFee: uint64
}
  • creationTxFee is the fee for creating assets on the network.
  • txFee is the fee for making transactions on the network.

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.getTxFee"
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc":"2.0",
"id" :1,
"result" :{
"creationTxFee": "10000000",
"txFee": "1000000"
}
}

info.uptime​

Returns the network's observed uptime of this node.

Signature​

info.uptime() ->
{
rewardingStakePercentage: float64,
weightedAveragePercentage: float64
}
  • rewardingStakePercentage is the percent of stake which thinks this node is above the uptime requirement.
  • weightedAveragePercentage is the stake-weighted average of all observed uptimes for this node.

Example Call​

curl -X POST --data '{
"jsonrpc":"2.0",
"id" :1,
"method" :"info.uptime"
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/info

Example Response​

{
"jsonrpc":"2.0",
"id" :1,
"result": {
"rewardingStakePercentage": "100.0000",
"weightedAveragePercentage": "99.0000"
}
}