Aleo Network Client

Overview

Connection management class that encapsulates REST calls to publicly exposed endpoints of Aleo nodes. The methods provided in this class provide information on the Aleo Blockchain

Kind: global class

• AleoNetworkClient
  • new AleoNetworkClient(host)
  • .setAccount(account)
  • .getAccount()
  • .getBlock(height)
  • .getBlockRange(start, end)
  • .getProgram(programId)
  • .getProgramMappingNames(programId)
  • .getMappingValue(programId, mappingName, key)
  • .getLatestBlock()
  • .getLatestHash()
  • .getLatestHeight()
  • .getStateRoot()
  • .getTransaction(id)
  • .getTransactions(height)
  • .getTransactionsInMempool()
  • .getTransitionId()
  • .findUnspentRecords()

new AleoNetworkClient(host)

Param	Type
host	string

Example

// Connection to a local node
let local_connection = new AleoNetworkClient("http://localhost:3030");

// Connection to a public beacon node
let public_connection = new AleoNetworkClient("https://api.explorer.aleo.org/v1");

aleoNetworkClient.setAccount(account)

Set an account

Kind: instance method of AleoNetworkClient

Param	Type
account	Account

Example

let account = new Account();
connection.setAccount(account);

aleoNetworkClient.getAccount()

Return the Aleo account used in the node connection

Kind: instance method of AleoNetworkClient
Example

let account = connection.getAccount();

aleoNetworkClient.getBlock(height)

Returns the block contents of the block at the specified block height

Kind: instance method of AleoNetworkClient

Param	Type
height	number

Example

let block = connection.getBlock(1234);

aleoNetworkClient.getBlockRange(start, end)

Returns a range of blocks between the specified block heights

Kind: instance method of AleoNetworkClient

Param	Type
start	number
end	number

Example

let blockRange = connection.getBlockRange(2050, 2100);

aleoNetworkClient.getProgram(programId)

Returns the source code of a program

Kind: instance method of AleoNetworkClient

Param	Type
programId	string

Example

let program = connection.getProgram("foo.aleo");

aleoNetworkClient.getProgramMappingNames(programId)

Returns the names of the mappings of a program

Kind: instance method of AleoNetworkClient

Param	Type
programId	string

Example

let mappings = connection.getProgramMappingNames("credits.aleo");

aleoNetworkClient.getMappingValue(programId, mappingName, key)

Returns the value of a program's mapping for a specific key

Kind: instance method of AleoNetworkClient

Param	Type
programId	string
mappingName	string
key	string

Example

## Get public balance of an account
let mappingValue = connection.getMappingValue("credits.aleo", "account", "aleo1rhgdu77hgyqd3xjj8ucu3jj9r2krwz6mnzyd80gncr5fxcwlh5rsvzp9px");

aleoNetworkClient.getLatestBlock()

Returns the block contents of the latest block

Kind: instance method of AleoNetworkClient
Example

let latestHeight = connection.getLatestBlock();

aleoNetworkClient.getLatestHash()

Returns the hash of the last published block

Kind: instance method of AleoNetworkClient
Example

let latestHash = connection.getLatestHash();

aleoNetworkClient.getLatestHeight()

Returns the latest block height

Kind: instance method of AleoNetworkClient
Example

let latestHeight = connection.getLatestHeight();

aleoNetworkClient.getStateRoot()

Returns the latest state/merkle root of the Aleo blockchain

Kind: instance method of AleoNetworkClient
Example

let stateRoot = connection.getStateRoot();

aleoNetworkClient.getTransaction(id)

Returns a transaction by its unique identifier

Kind: instance method of AleoNetworkClient

Param	Type
id	string

Example

let transaction = connection.getTransaction("at1handz9xjrqeynjrr0xay4pcsgtnczdksz3e584vfsgaz0dh0lyxq43a4wj");

aleoNetworkClient.getTransactions(height)

Returns the transactions present at the specified block height

Kind: instance method of AleoNetworkClient

Param	Type
height	number

Example

let transactions = connection.getTransactions(654);

aleoNetworkClient.getTransactionsInMempool()

Returns the transactions in the memory pool.

Kind: instance method of AleoNetworkClient
Example

let transactions = connection.getTransactionsInMempool();

aleoNetworkClient.getTransitionId()

Returns the transition id by its unique identifier

Kind: instance method of AleoNetworkClient
Example

let transition = connection.getTransitionId("2429232855236830926144356377868449890830704336664550203176918782554219952323field");

aleoNetworkClient.findUnspentRecords()

Attempts to find unspent records in the Aleo blockchain for a specified private key

Kind: instance method of AleoNetworkClient
Example

// Find all unspent records
const privateKey = "[PRIVATE_KEY]";
let records = connection.findUnspentRecords(0, undefined, privateKey);

// Find specific amounts
const startHeight = 500000;
const amounts = [600000, 1000000];
let records = connection.findUnspentRecords(startHeight, undefined, privateKey, amounts);

// Find specific amounts with a maximum number of cumulative microcredits
const maxMicrocredits = 100000;
let records = connection.findUnspentRecords(startHeight, undefined, privateKey, undefined, maxMicrocredits);