hera.wallet

Interface QueryClient

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Subinterfaces:

Wallet

All Known Implementing Classes:

LegacyWallet

public interface QueryClient
extends java.io.Closeable

Method Summary

Modifier and Type	Method and Description
void	close()
AccountState	getAccountState(Account account) Get account state by address.
AccountState	getAccountState(AccountAddress accountAddress) Get account state by account.
BlockHash	getBestBlockHash() Get best block hash.
long	getBestBlockHeight() Get best block height.
Block	getBlock(BlockHash blockHash) Get block by hash.
Block	getBlock(long height) Get block by height.
BlockchainStatus	getBlockchainStatus() Get blockchain status.
BlockMetadata	getBlockMetadata(BlockHash blockHash) Get block metadata by hash.
BlockMetadata	getBlockMetadata(long height) Get block metadata by height.
ChainIdHash	getChainIdHash() Get chain id hash.
ChainInfo	getChainInfo() Get chain info of current node.
ChainStats	getChainStats() Get chain stats of current node.
ContractInterface	getContractInterface(ContractAddress contractAddress) Get smart contract interface corresponding to contract address.
AccountAddress	getNameOwner(java.lang.String name) Get owner of an account name.
AccountAddress	getNameOwner(java.lang.String name, long blockNumber) Get owner of an account name at block number blockNumber.
NodeStatus	getNodeStatus() Get status of current node.
ContractTxReceipt	getReceipt(ContractTxHash contractTxHash) Get receipt of transaction.
ServerInfo	getServerInfo(java.util.List<java.lang.String> categories) Get server info of current node.
StakeInfo	getStakingInfo(Account account) Get staking information of account.
StakeInfo	getStakingInfo(AccountAddress accountAddress) Get staking information of accountAddress.
Transaction	getTransaction(TxHash txHash) Get transaction.
AccountTotalVote	getVotesOf(Account account) Get votes which account votes for.
AccountTotalVote	getVotesOf(AccountAddress accountAddress) Get votes which accountAddress votes for.
java.util.List<BlockMetadata>	listBlockMetadatas(BlockHash blockHash, int size) Get block metadatas of size backward starting from block for provided hash.
java.util.List<BlockMetadata>	listBlockMetadatas(long height, int size) Get block metadatas of size backward starting from block for provided height.
java.util.List<ElectedCandidate>	listElected(java.lang.String voteId, int showCount) Get elected candidates per voteId for current round.
java.util.List<ElectedCandidate>	listElectedBps(int showCount) Get elected block producers for current round.
java.util.List<Event>	listEvents(EventFilter filter) List events corresponding with event filter.
java.util.List<Peer>	listNodePeers() Get blockchain peer addresses.
java.util.List<PeerMetric>	listPeerMetrics() Get metrics of peers.
java.util.List<AccountAddress>	listServerKeyStoreAccounts() Get account list on a server key store.
ContractResult	query(ContractInvocation contractInvocation) Query the smart contract state by calling smart contract function.
Subscription<Event>	subscribeEvent(EventFilter filter, StreamObserver<Event> observer) Subscribe event corresponding with event filter.
Subscription<Block>	subscribeNewBlock(StreamObserver<Block> observer) Subscribe block stream which is triggered everytime new block is generated.
Subscription<BlockMetadata>	subscribeNewBlockMetadata(StreamObserver<BlockMetadata> observer) Subscribe block metadata stream which is triggered everytime new block is generated.

Method Detail

getAccountState

AccountState getAccountState(Account account)

Get account state by address.

Parameters:

account - an account

Returns:

an account state

getAccountState

AccountState getAccountState(AccountAddress accountAddress)

Get account state by account.

Parameters:

accountAddress - account address

Returns:

an account state

getNameOwner

AccountAddress getNameOwner(java.lang.String name)

Get owner of an account name.

Parameters:

name - an name of account

Returns:

an account address binded with name

getNameOwner

AccountAddress getNameOwner(java.lang.String name,
                            long blockNumber)

Get owner of an account name at block number blockNumber.

Parameters:

name - an name of account

blockNumber - a block number

Returns:

an account address binded with name

getStakingInfo

StakeInfo getStakingInfo(Account account)

Get staking information of account.

Parameters:

account - an account to check staking information

Returns:

a staking information

getStakingInfo

StakeInfo getStakingInfo(AccountAddress accountAddress)

Get staking information of accountAddress.

Parameters:

accountAddress - an account address to check staking information

Returns:

a staking information

listElectedBps

java.util.List<ElectedCandidate> listElectedBps(int showCount)

Get elected block producers for current round.

Parameters:

showCount - a show count

Returns:

elected block producer list

listElected

java.util.List<ElectedCandidate> listElected(java.lang.String voteId,
                                             int showCount)

Get elected candidates per voteId for current round.

Parameters:

voteId - a vote id

showCount - a show count

Returns:

elected block producer list

getVotesOf

AccountTotalVote getVotesOf(Account account)

Get votes which account votes for.

Parameters:

account - an account

Returns:

votes list

getVotesOf

AccountTotalVote getVotesOf(AccountAddress accountAddress)

Get votes which accountAddress votes for.

Parameters:

accountAddress - an account address

Returns:

votes list

listServerKeyStoreAccounts

java.util.List<AccountAddress> listServerKeyStoreAccounts()

Get account list on a server key store.

Returns:

account list

getBestBlockHash

BlockHash getBestBlockHash()

Get best block hash.

Returns:

block hash

getBestBlockHeight

long getBestBlockHeight()

Get best block height.

Returns:

block height

getChainIdHash

ChainIdHash getChainIdHash()

Get chain id hash.

Returns:

a chain id hash

getBlockchainStatus

BlockchainStatus getBlockchainStatus()

Get blockchain status.

Returns:

blockchain status

getChainInfo

ChainInfo getChainInfo()

Get chain info of current node.

Returns:

a chain info

getChainStats

ChainStats getChainStats()

Get chain stats of current node.

Returns:

a chain stats

listNodePeers

java.util.List<Peer> listNodePeers()

Get blockchain peer addresses.

Returns:

peer addresses

listPeerMetrics

java.util.List<PeerMetric> listPeerMetrics()

Get metrics of peers.

Returns:

peer metrics

getServerInfo

ServerInfo getServerInfo(java.util.List<java.lang.String> categories)

Get server info of current node.

Parameters:

categories - a categories

Returns:

server info

getNodeStatus

NodeStatus getNodeStatus()

Get status of current node.

Returns:

node status

getBlockMetadata

BlockMetadata getBlockMetadata(BlockHash blockHash)

Get block metadata by hash.

Parameters:

blockHash - block hash

Returns:

block

getBlockMetadata

BlockMetadata getBlockMetadata(long height)

Get block metadata by height.

Parameters:

height - block's height

Returns:

block

listBlockMetadatas

java.util.List<BlockMetadata> listBlockMetadatas(BlockHash blockHash,
                                                 int size)

Get block metadatas of size backward starting from block for provided hash.

Parameters:

blockHash - block hash

size - block list size whose upper bound is 1000

Returns:

block list

listBlockMetadatas

java.util.List<BlockMetadata> listBlockMetadatas(long height,
                                                 int size)

Get block metadatas of size backward starting from block for provided height.

Parameters:

height - block's height

size - block list size whose upper bound is 1000

Returns:

block list

getBlock

Block getBlock(BlockHash blockHash)

Get block by hash.

Parameters:

blockHash - block hash

Returns:

block

getBlock

Block getBlock(long height)

Get block by height.

Parameters:

height - block's height

Returns:

block

subscribeNewBlockMetadata

Subscription<BlockMetadata> subscribeNewBlockMetadata(StreamObserver<BlockMetadata> observer)

Subscribe block metadata stream which is triggered everytime new block is generated.

Parameters:

observer - a stream observer which is invoked on new block metadata

Returns:

a block subscription

subscribeNewBlock

Subscription<Block> subscribeNewBlock(StreamObserver<Block> observer)

Subscribe block stream which is triggered everytime new block is generated.

Parameters:

observer - a stream observer which is invoked on new block

Returns:

a block subscription

getTransaction

Transaction getTransaction(TxHash txHash)

Get transaction.

Parameters:

txHash - transaction's hash

Returns:

transaction

getReceipt

ContractTxReceipt getReceipt(ContractTxHash contractTxHash)

Get receipt of transaction.

Parameters:

contractTxHash - contract transaction hash

Returns:

receipt of transaction

getContractInterface

ContractInterface getContractInterface(ContractAddress contractAddress)

Get smart contract interface corresponding to contract address.

Parameters:

contractAddress - contract address

Returns:

contract interface

query

ContractResult query(ContractInvocation contractInvocation)

Query the smart contract state by calling smart contract function.

Parameters:

contractInvocation - a contract invocation

Returns:

contract result

listEvents

java.util.List<Event> listEvents(EventFilter filter)

List events corresponding with event filter.

Parameters:

filter - an event filter

Returns:

event list

subscribeEvent

Subscription<Event> subscribeEvent(EventFilter filter,
                                   StreamObserver<Event> observer)

Subscribe event corresponding with event filter.

Parameters:

filter - an event filter

observer - a stream observer which is invoked on event

Returns:

a subscription

close

void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable