Package io.keyko.nevermined.manager

Class AccountsManager

java.lang.Object

io.keyko.nevermined.manager.BaseManager

io.keyko.nevermined.manager.AccountsManager

public class AccountsManager
extends BaseManager

Controller class to manage the token functions

Nested Class Summary

Nested classes/interfaces inherited from class io.keyko.nevermined.manager.BaseManager

BaseManager.ContractAddresses

Field Summary

Fields

Modifier and Type	Field	Description
private String	faucetUrl
private static org.apache.logging.log4j.Logger	log

Fields inherited from class io.keyko.nevermined.manager.BaseManager

accessSecretStoreCondition, agreementStoreManager, computeExecutionCondition, condition, conditionStoreManager, config, contractAddresses, didRegistry, dispenser, escrowAccessSecretStoreTemplate, escrowComputeExecutionTemplate, escrowReward, lockRewardCondition, mainAccount, providerAddress, templateStoreManager, tokenContract

Constructor Summary

Constructors

Modifier	Constructor	Description
private	AccountsManager(io.keyko.common.web3.KeeperService keeperService, MetadataApiService metadataApiService)

Method Summary

Modifier and Type	Method	Description
Balance	getAccountBalance(String accountAddress)	Given an account returns a Balance object with the Ethereum and Ocean balance
List<Account>	getAccounts()	Returns the list of ethereum accounts registered in the Keeper node If getBalance is true, get the ethereum and nevermined balance of each account
BigInteger	getEthAccountBalance(String accountAddress)	Given an account returns the Ethereum balance
String	getFaucetUrl()
static AccountsManager	getInstance(io.keyko.common.web3.KeeperService keeperService, MetadataApiService metadataApiService)	Given the KeeperService and MetadataApiService, returns a new instance of AccountsManager using them as attributes
BigInteger	getNeverminedAccountBalance(String accountAddress)	Given an account returns the Ocean balance Contract: NeverminedToken Method: balanceOf
org.web3j.protocol.core.methods.response.TransactionReceipt	requestTokens(BigInteger amount)	Requests Nevermined Tokens from the Dispenser Smart Contract
AccountsManager	setFaucetUrl(String faucetUrl)
org.web3j.protocol.core.methods.response.TransactionReceipt	transfer(String receiverAccount, BigInteger amount)	Transfer tokens from one account to the receiver address

Methods inherited from class io.keyko.nevermined.manager.BaseManager

buildDDO, getAccessSecretStoreCondition, getComputeExecutionCondition, getContractAddresses, getDecriptedSecretStoreMetadataFiles, getDecriptedSecretStoreMetadataFiles, getEscrowComputeExecutionTemplate, getEscrowReward, getEvmDto, getKeeperService, getLockRewardCondition, getMainAccount, getMetadataApiService, getProviderAddress, getSecretStoreDto, getSecretStoreManager, getTemplateIdByName, resolveDID, setAccessSecretStoreCondition, setAgreementStoreManagerContract, setComputeExecutionCondition, setConditionStoreManagerContract, setDidRegistryContract, setDispenserContract, setEscrowAccessSecretStoreTemplate, setEscrowComputeExecutionTemplate, setEscrowReward, setEvmDto, setKeeperService, setLockRewardCondition, setMainAccount, setMetadataApiService, setProviderAddress, setSecretStoreDto, setSecretStoreManager, setTemplateStoreManagerContract, setTokenContract, tokenApprove, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

log

private static final org.apache.logging.log4j.Logger log

faucetUrl

private String faucetUrl

Constructor Detail

AccountsManager

private AccountsManager(io.keyko.common.web3.KeeperService keeperService,
                        MetadataApiService metadataApiService)

Method Detail

getInstance

public static AccountsManager getInstance(io.keyko.common.web3.KeeperService keeperService,
                                          MetadataApiService metadataApiService)

Given the KeeperService and MetadataApiService, returns a new instance of AccountsManager using them as attributes

Parameters:

keeperService - Keeper Dto

metadataApiService - Provider Dto

Returns:

AccountsManager

getAccounts

public List<Account> getAccounts()
                          throws EthereumException

Returns the list of ethereum accounts registered in the Keeper node If getBalance is true, get the ethereum and nevermined balance of each account

Returns:

List of accounts

Throws:

EthereumException - if the EVM throws an exception

getAccountBalance

public Balance getAccountBalance(String accountAddress)
                          throws EthereumException

Given an account returns a Balance object with the Ethereum and Ocean balance

Parameters:

accountAddress - account

Returns:

Balance

Throws:

EthereumException - if the EVM throws an exception

getEthAccountBalance

public BigInteger getEthAccountBalance(String accountAddress)
                                throws EthereumException

Given an account returns the Ethereum balance

Parameters:

accountAddress - account

Returns:

ethereum balance

Throws:

EthereumException - if the EVM throws an exception

getNeverminedAccountBalance

public BigInteger getNeverminedAccountBalance(String accountAddress)
                                       throws EthereumException

Given an account returns the Ocean balance Contract: NeverminedToken Method: balanceOf

Parameters:

accountAddress - account

Returns:

nevermined balance

Throws:

EthereumException - if the EVM throws an exception

requestTokens

public org.web3j.protocol.core.methods.response.TransactionReceipt requestTokens(BigInteger amount)
                                                                          throws EthereumException

Requests Nevermined Tokens from the Dispenser Smart Contract

Parameters:

amount - amount of tokens requests

Returns:

TransactionReceipt

Throws:

EthereumException - if the EVM throws an exception

transfer

public org.web3j.protocol.core.methods.response.TransactionReceipt transfer(String receiverAccount,
                                                                            BigInteger amount)
                                                                     throws EthereumException

Transfer tokens from one account to the receiver address

Parameters:

receiverAccount - Address of the transfer receiver

amount - Amount of tokens to transfer

Returns:

TransactionReceipt tx receipt

Throws:

EthereumException - if the EVM throws an exception

getFaucetUrl

public String getFaucetUrl()

setFaucetUrl

public AccountsManager setFaucetUrl(String faucetUrl)