Skip to content

The les API allows you to manage LES server settings, including client parameters and payment settings for prioritized clients. It also provides functions to query checkpoint information in both server and client mode.

les_serverInfo

Get information about currently connected and total/individual allowed connection capacity.

Example

> les.serverInfo
{
  freeClientCapacity: 16000,
  maximumCapacity: 1600000,
  minimumCapacity: 16000,
  priorityConnectedCapacity: 180000,
  totalCapacity: 1600000,
  totalConnectedCapacity: 180000
}

les_clientInfo

Get individual client information (connection, balance, pricing) on the specified list of clients or for all connected clients if the ID list is empty.

Example

> les.clientInfo([])
{
  37078bf8ea160a2b3d129bb4f3a930ce002356f83b820f467a07c1fe291531ea: {
    capacity: 16000,
    connectionTime: 11225.335901136,
    isConnected: true,
    pricing/balance: 998266395881,
    pricing/balanceMeta: "",
    pricing/negBalance: 501657912857,
    priority: true
  },
  6a47fe7bb23fd335df52ef1690f37ab44265a537b1d18eb616a3e77f898d9e77: {
    capacity: 100000,
    connectionTime: 9874.839293082,
    isConnected: true,
    pricing/balance: 2908840710198,
    pricing/balanceMeta: "qwerty",
    pricing/negBalance: 206242704507,
    priority: true
  },
  740c78f7d914e5c763731bc751b513fc2388ffa0b47db080ded3e8b305e68c75: {
    capacity: 16000,
    connectionTime: 3089.286712188,
    isConnected: true,
    pricing/balance: 998266400174,
    pricing/balanceMeta: "",
    pricing/negBalance: 55135348863,
    priority: true
  },
  9985ade55b515f79f64274bf2ae440ca8c433cfb0f283fb6010bf46f796b2a3b: {
    capacity: 16000,
    connectionTime: 11479.335479545,
    isConnected: true,
    pricing/balance: 998266452203,
    pricing/balanceMeta: "",
    pricing/negBalance: 564116425655,
    priority: true
  },
  ce65ada2c3e17d6da00cec0b3cc4c8ed5e74428b60f42fa287eaaec8cca62544: {
    capacity: 16000,
    connectionTime: 7095.794385419,
    isConnected: true,
    pricing/balance: 998266448492,
    pricing/balanceMeta: "",
    pricing/negBalance: 214617753229,
    priority: true
  },
  e1495ceb6db842f3ee66428d4bb7f4a124b2b17111dae35d141c3d568b869ef1: {
    capacity: 16000,
    connectionTime: 8614.018237937,
    isConnected: true,
    pricing/balance: 998266391796,
    pricing/balanceMeta: "",
    pricing/negBalance: 185964891797,
    priority: true
  }
}

les_priorityClientInfo

Get individual client information on clients with a positive balance in the specified ID range, start included, stop excluded. If stop is zero then results are returned until the last existing balance entry. maxCount limits the number of returned results. If the count limit is reached but there are more IDs in the range then the first missing ID is included in the result with an empty value assigned to it.

Example

> les.priorityClientInfo("0x0000000000000000000000000000000000000000000000000000000000000000", "0x0000000000000000000000000000000000000000000000000000000000000000", 100)
{
  37078bf8ea160a2b3d129bb4f3a930ce002356f83b820f467a07c1fe291531ea: {
    capacity: 16000,
    connectionTime: 11128.247204027,
    isConnected: true,
    pricing/balance: 999819815030,
    pricing/balanceMeta: "",
    pricing/negBalance: 501657912857,
    priority: true
  },
  6a47fe7bb23fd335df52ef1690f37ab44265a537b1d18eb616a3e77f898d9e77: {
    capacity: 100000,
    connectionTime: 9777.750592047,
    isConnected: true,
    pricing/balance: 2918549830576,
    pricing/balanceMeta: "qwerty",
    pricing/negBalance: 206242704507,
    priority: true
  },
  740c78f7d914e5c763731bc751b513fc2388ffa0b47db080ded3e8b305e68c75: {
    capacity: 16000,
    connectionTime: 2992.198001116,
    isConnected: true,
    pricing/balance: 999819845102,
    pricing/balanceMeta: "",
    pricing/negBalance: 55135348863,
    priority: true
  },
  9985ade55b515f79f64274bf2ae440ca8c433cfb0f283fb6010bf46f796b2a3b: {
    capacity: 16000,
    connectionTime: 11382.246766963,
    isConnected: true,
    pricing/balance: 999819871598,
    pricing/balanceMeta: "",
    pricing/negBalance: 564116425655,
    priority: true
  },
  ce65ada2c3e17d6da00cec0b3cc4c8ed5e74428b60f42fa287eaaec8cca62544: {
    capacity: 16000,
    connectionTime: 6998.705683407,
    isConnected: true,
    pricing/balance: 999819882177,
    pricing/balanceMeta: "",
    pricing/negBalance: 214617753229,
    priority: true
  },
  e1495ceb6db842f3ee66428d4bb7f4a124b2b17111dae35d141c3d568b869ef1: {
    capacity: 16000,
    connectionTime: 8516.929533901,
    isConnected: true,
    pricing/balance: 999819891640,
    pricing/balanceMeta: "",
    pricing/negBalance: 185964891797,
    priority: true
  }
}


> les.priorityClientInfo("0x4000000000000000000000000000000000000000000000000000000000000000", "0xe000000000000000000000000000000000000000000000000000000000000000", 2)
{
  6a47fe7bb23fd335df52ef1690f37ab44265a537b1d18eb616a3e77f898d9e77: {
    capacity: 100000,
    connectionTime: 9842.11178361,
    isConnected: true,
    pricing/balance: 2912113588853,
    pricing/balanceMeta: "qwerty",
    pricing/negBalance: 206242704507,
    priority: true
  },
  740c78f7d914e5c763731bc751b513fc2388ffa0b47db080ded3e8b305e68c75: {
    capacity: 16000,
    connectionTime: 3056.559199029,
    isConnected: true,
    pricing/balance: 998790060237,
    pricing/balanceMeta: "",
    pricing/negBalance: 55135348863,
    priority: true
  },
  9985ade55b515f79f64274bf2ae440ca8c433cfb0f283fb6010bf46f796b2a3b: {}
}

les_addBalance

Add signed value to the token balance of the specified client and update its meta tag. The balance cannot go below zero or over 2^^63-1. The balance values before and after the update are returned. The meta tag can be used to store a sequence number or reference to the last processed incoming payment, token expiration info, balance in other currencies or any application-specific additional information.

Example

> les.addBalance("0x6a47fe7bb23fd335df52ef1690f37ab44265a537b1d18eb616a3e77f898d9e77", 1000000000, "qwerty")
[968379616, 1968379616]

les_setClientParams

Set capacity and pricing factors for the specified list of connected clients or for all connected clients if the ID list is empty.

Example

> les.setClientParams(["0x6a47fe7bb23fd335df52ef1690f37ab44265a537b1d18eb616a3e77f898d9e77"], {
    "capacity": 100000,
    "pricing/timeFactor": 0,
    "pricing/capacityFactor": 1000000000,
    "pricing/requestCostFactor": 1000000000,
    "pricing/negative/timeFactor": 0,
    "pricing/negative/capacityFactor": 1000000000,
    "pricing/negative/requestCostFactor": 1000000000,
})
null

les_setDefaultParams

Set default pricing factors for subsequently connected clients.

Example

> les.setDefaultParams({
    "pricing/timeFactor": 0,
    "pricing/capacityFactor": 1000000000,
    "pricing/requestCostFactor": 1000000000,
    "pricing/negative/timeFactor": 0,
    "pricing/negative/capacityFactor": 1000000000,
    "pricing/negative/requestCostFactor": 1000000000,
})
null

les_latestCheckpoint

Get the index and hashes of the latest known checkpoint.

Example

> les.latestCheckpoint
["0x110", "0x6eedf8142d06730b391bfcbd32e9bbc369ab0b46ae226287ed5b29505a376164", "0x191bb2265a69c30201a616ae0d65a4ceb5937c2f0c94b125ff55343d707463e5", "0xf58409088a5cb2425350a59d854d546d37b1e7bef8bbf6afee7fd15f943d626a"]

les_getCheckpoint

Get checkpoint hashes by index.

Example

> les.getCheckpoint(256)
["0x93eb4af0b224b1097e09181c2e51536fe0a3bf3bb4d93e9a69cab9eb3e28c75f", "0x0eb055e384cf58bc72ca20ca5e2b37d8d4115dce80ab4a19b72b776502c4dd5b", "0xda6c02f7c51f9ecc3eca71331a7eaad724e5a0f4f906ce9251a2f59e3115dd6a"]

les_getCheckpointContractAddress

Get the address of the checkpoint oracle contract.

Example

> les.checkpointContractAddress
"0x9a9070028361F7AAbeB3f2F2Dc07F82C4a98A02a"