Class: Client
The Client to interact with nodes.
Table of contents
Methods
- getInfo
- getNetworkInfo
- basicOutputIds
- getOutput
- getOutputs
- generateMnemonic
- mnemonicToHexSeed
- computeAliasId
- computeNftId
- computeFoundryId
- generateAddresses
- buildAndPostBlock
- getTips
- postBlock
- getBlock
- getBlockMetadata
- findInputs
- findOutputs
- getLedgerNanoStatus
- prepareTransaction
- storeMnemonic
- signTransaction
- signatureUnlock
- postBlockPayload
- parseBech32Address
- blockId
- getNode
- getNetworkId
- getBech32Hrp
- getMinPowScore
- getTipsInterval
- getTokenSupply
- getProtocolParameters
- getLocalPow
- getFallbackToLocalPow
- getHealth
- getNodeInfo
- getPeers
- postBlockRaw
- getBlockRaw
- getMilestoneById
- getUtxoChangesById
- getMilestoneByIndex
- getUtxoChangesByIndex
- getReceipts
- getReceiptsMigratedAt
- getTreasury
- getIncludedBlock
- getIncludedBlockMetadata
- bech32ToHex
- hexToBech32
- aliasIdToBech32
- nftIdToBech32
- hexPublicKeyToBech32Address
- isAddressValid
- aliasOutputIds
- aliasOutputId
- nftOutputIds
- nftOutputId
- foundryOutputIds
- foundryOutputId
- tryGetOutputs
- findBlocks
- retry
- retryUntilIncluded
- consolidateFunds
- reattach
- reattachUnchecked
- promote
- promoteUnchecked
- unhealthyNodes
- buildBasicOutput
- buildAliasOutput
- buildFoundryOutput
- buildNftOutput
- hashTransactionEssence
- listen
- clearListeners
Methods
getInfo
▸ getInfo(): Promise<INodeInfoWrapper>
Returns the node information together with the url of the used node
Returns
Promise<INodeInfoWrapper>
.
getNetworkInfo
▸ getNetworkInfo(): Promise<INetworkInfo>
Gets the network related information such as network_id and min_pow_score
Returns
Promise<INetworkInfo>
basicOutputIds
▸ basicOutputIds(queryParameters): Promise<OutputIdsResponse>
Fetch basic output IDs based on query parameters
Parameters
| Name | Type |
|---|---|
queryParameters | QueryParameter[] |
Returns
Promise<OutputIdsResponse>
getOutput
▸ getOutput(outputId): Promise<IOutputResponse>
Get output from a known outputID
Parameters
| Name | Type |
|---|---|
outputId | string |
Returns
Promise<IOutputResponse>
getOutputs
▸ getOutputs(outputIds): Promise<IOutputResponse[]>
Fetch OutputResponse from provided OutputIds (requests are sent in parallel)
Parameters
| Name | Type |
|---|---|
outputIds | string[] |
Returns
Promise<IOutputResponse[]>
generateMnemonic
▸ generateMnemonic(): Promise<string>
Generates a new mnemonic.
Returns
Promise<string>
mnemonicToHexSeed
▸ mnemonicToHexSeed(mnemonic): Promise<string>
Returns a hex encoded seed for a mnemonic.
Parameters
| Name | Type |
|---|---|
mnemonic | string |
Returns
Promise<string>
computeAliasId
▸ computeAliasId(outputId): Promise<string>
Computes the alias id for the given alias output id.
Parameters
| Name | Type |
|---|---|
outputId | string |
Returns
Promise<string>
computeNftId
▸ computeNftId(outputId): Promise<string>
Computes the NFT id for the given NFT output id.
Parameters
| Name | Type |
|---|---|
outputId | string |
Returns
Promise<string>
computeFoundryId
▸ computeFoundryId(aliasAddress, serialNumber, tokenSchemeKind): Promise<string>
Computes the foundry id.
Parameters
| Name | Type |
|---|---|
aliasAddress | string |
serialNumber | number |
tokenSchemeKind | number |
Returns
Promise<string>
generateAddresses
▸ generateAddresses(secretManager, generateAddressesOptions): Promise<string[]>
Generate addresses
Parameters
| Name | Type |
|---|---|
secretManager | SecretManager |
generateAddressesOptions | IGenerateAddressesOptions |
Returns
Promise<string[]>
buildAndPostBlock
▸ buildAndPostBlock(secretManager?, options?): Promise<[string, IBlock]>
Build and post a block
Parameters
| Name | Type |
|---|---|
secretManager? | SecretManager |
options? | IBuildBlockOptions |
Returns
Promise<[string, IBlock]>
getTips
▸ getTips(): Promise<string[]>
Returns tips that are ideal for attaching a block. The tips can be considered as non-lazy and are therefore ideal for attaching a block.
Returns
Promise<string[]>
postBlock
▸ postBlock(block): Promise<string>
Post block in JSON format, returns the block ID.
Parameters
| Name | Type |
|---|---|
block | IBlock |
Returns
Promise<string>
getBlock
▸ getBlock(blockId): Promise<IBlock>
Get block as JSON.
Parameters
| Name | Type |
|---|---|
blockId | string |
Returns
Promise<IBlock>
getBlockMetadata
▸ getBlockMetadata(blockId): Promise<IBlockMetadata>
Get block metadata.
Parameters
| Name | Type |
|---|---|
blockId | string |
Returns
Promise<IBlockMetadata>
findInputs
▸ findInputs(addresses, amount): Promise<IUTXOInput[]>
Find inputs from addresses for a provided amount (useful for offline signing)
Parameters
| Name | Type |
|---|---|
addresses | string[] |
amount | number |
Returns
Promise<IUTXOInput[]>
findOutputs
▸ findOutputs(outputIds, addresses): Promise<IOutputResponse[]>
Find all outputs based on the requests criteria. This method will try to query multiple nodes if the request amount exceeds individual node limit.
Parameters
| Name | Type |
|---|---|
outputIds | string[] |
addresses | string[] |
Returns
Promise<IOutputResponse[]>
getLedgerNanoStatus
▸ getLedgerNanoStatus(isSimulator): Promise<LedgerNanoStatus>
Get the status of a Ledger Nano
Parameters
| Name | Type |
|---|---|
isSimulator | boolean |
Returns
Promise<LedgerNanoStatus>
prepareTransaction
▸ prepareTransaction(secretManager?, options?): Promise<IPreparedTransactionData>
Prepare a transaction for signing
Parameters
| Name | Type |
|---|---|
secretManager? | SecretManager |
options? | IBuildBlockOptions |
Returns
Promise<IPreparedTransactionData>
storeMnemonic
▸ storeMnemonic(secretManager, mnemonic): Promise<void>
Store a mnemonic in the Stronghold vault
Parameters
| Name | Type |
|---|---|
secretManager | SecretManager |
mnemonic | string |
Returns
Promise<void>
signTransaction
▸ signTransaction(secretManager, preparedTransactionData): Promise<PayloadTypes>
Sign a transaction
Parameters
| Name | Type |
|---|---|
secretManager | SecretManager |
preparedTransactionData | IPreparedTransactionData |
Returns
Promise<PayloadTypes>
signatureUnlock
▸ signatureUnlock(secretManager, inputSigningData, transactionEssenceHash): Promise<UnlockTypes>
Create a signature unlock using the provided secretManager.
Parameters
| Name | Type |
|---|---|
secretManager | SecretManager |
inputSigningData | IInputSigningData |
transactionEssenceHash | number[] |
Returns
Promise<UnlockTypes>
postBlockPayload
▸ postBlockPayload(payload): Promise<[string, IBlock]>
Submit a payload in a block
Parameters
| Name | Type |
|---|---|
payload | PayloadTypes |
Returns
Promise<[string, IBlock]>
parseBech32Address
▸ parseBech32Address(address): Promise<AddressTypes>
Returns a valid Address parsed from a String.
Parameters
| Name | Type |
|---|---|
address | string |
Returns
Promise<AddressTypes>
blockId
▸ blockId(block): Promise<string>
Returns a block ID (Blake2b256 hash of the block bytes)
Parameters
| Name | Type |
|---|---|
block | IBlock |
Returns
Promise<string>
getNode
▸ getNode(): Promise<INode>
Get a node candidate from the healthy node pool.
Returns
Promise<INode>
getNetworkId
▸ getNetworkId(): Promise<number>
Get the network id of the node we're connecting to.
Returns
Promise<number>
getBech32Hrp
▸ getBech32Hrp(): Promise<string>
Returns the bech32_hrp.
Returns
Promise<string>
getMinPowScore
▸ getMinPowScore(): Promise<number>
Returns the min PoW score.
Returns
Promise<number>
getTipsInterval
▸ getTipsInterval(): Promise<number>
Returns the tips interval.
Returns
Promise<number>
getTokenSupply
▸ getTokenSupply(): Promise<string>
Returns the token supply.
Returns
Promise<string>
getProtocolParameters
▸ getProtocolParameters(): Promise<INodeInfoProtocol>
Returns the protocol parameters.
Returns
Promise<INodeInfoProtocol>
getLocalPow
▸ getLocalPow(): Promise<boolean>
Returns if local pow should be used or not.
Returns
Promise<boolean>
getFallbackToLocalPow
▸ getFallbackToLocalPow(): Promise<boolean>
Get fallback to local proof of work timeout.
Returns
Promise<boolean>
getHealth
▸ getHealth(url): Promise<boolean>
Get health of node by input url.
Parameters
| Name | Type |
|---|---|
url | string |
Returns
Promise<boolean>
getNodeInfo
▸ getNodeInfo(url, auth?): Promise<INodeInfo>
Get info of node with input url.
Parameters
| Name | Type |
|---|---|
url | string |
auth? | IAuth |
Returns
Promise<INodeInfo>
getPeers
▸ getPeers(): Promise<IPeer[]>
Get peers.
Returns
Promise<IPeer[]>
postBlockRaw
▸ postBlockRaw(block): Promise<string>
Post block as raw bytes, returns the block ID.
Parameters
| Name | Type |
|---|---|
block | IBlock |
Returns
Promise<string>
getBlockRaw
▸ getBlockRaw(blockId): Promise<Uint8Array>
Get block as raw bytes.
Parameters
| Name | Type |
|---|---|
blockId | string |
Returns
Promise<Uint8Array>
getMilestoneById
▸ getMilestoneById(milestoneId): Promise<IMilestonePayload>
Look up a milestone by a given milestone index.
Parameters
| Name | Type |
|---|---|
milestoneId | string |
Returns
Promise<IMilestonePayload>
getUtxoChangesById
▸ getUtxoChangesById(milestoneId): Promise<IMilestoneUtxoChangesResponse>
Returns all UTXO changes that happened at a specific milestone.
Parameters
| Name | Type |
|---|---|
milestoneId | string |
Returns
Promise<IMilestoneUtxoChangesResponse>
getMilestoneByIndex
▸ getMilestoneByIndex(index): Promise<IMilestonePayload>
Look up a milestone by a given milestone index.
Parameters
| Name | Type |
|---|---|
index | number |
Returns
Promise<IMilestonePayload>
getUtxoChangesByIndex
▸ getUtxoChangesByIndex(index): Promise<IMilestoneUtxoChangesResponse>
Returns all UTXO changes that happened at a specific milestone.
Parameters
| Name | Type |
|---|---|
index | number |
Returns
Promise<IMilestoneUtxoChangesResponse>
getReceipts
▸ getReceipts(): Promise<IReceiptsResponse>
Get receipts.
Returns
Promise<IReceiptsResponse>
getReceiptsMigratedAt
▸ getReceiptsMigratedAt(milestoneIndex): Promise<IReceiptsResponse[]>
Get the receipts by the given milestone index.
Parameters
| Name | Type |
|---|---|
milestoneIndex | number |
Returns
Promise<IReceiptsResponse[]>
getTreasury
▸ getTreasury(): Promise<ITreasury>
Get the treasury output.
Returns
Promise<ITreasury>
getIncludedBlock
▸ getIncludedBlock(transactionId): Promise<IBlock>
Returns the included block of the transaction.
Parameters
| Name | Type |
|---|---|
transactionId | string |
Returns
Promise<IBlock>
getIncludedBlockMetadata
▸ getIncludedBlockMetadata(transactionId): Promise<IBlock>
Returns the metadata of the included block of the transaction.
Parameters
| Name | Type |
|---|---|
transactionId | string |
Returns
Promise<IBlock>
bech32ToHex
▸ bech32ToHex(bech32): Promise<string>
Transforms bech32 to hex.
Parameters
| Name | Type |
|---|---|
bech32 | string |
Returns
Promise<string>
hexToBech32
▸ hexToBech32(hex, bech32Hrp?): Promise<string>
Transforms a hex encoded address to a bech32 encoded address.
Parameters
| Name | Type |
|---|---|
hex | string |
bech32Hrp? | string |
Returns
Promise<string>
aliasIdToBech32
▸ aliasIdToBech32(aliasId, bech32Hrp?): Promise<string>
Transforms an alias id to a bech32 encoded address.
Parameters
| Name | Type |
|---|---|
aliasId | string |
bech32Hrp? | string |
Returns
Promise<string>
nftIdToBech32
▸ nftIdToBech32(nftId, bech32Hrp?): Promise<string>
Transforms an nft id to a bech32 encoded address.
Parameters
| Name | Type |
|---|---|
nftId | string |
bech32Hrp? | string |
Returns
Promise<string>
hexPublicKeyToBech32Address
▸ hexPublicKeyToBech32Address(hex, bech32Hrp?): Promise<string>
Transforms a hex encoded public key to a bech32 encoded address.
Parameters
| Name | Type |
|---|---|
hex | string |
bech32Hrp? | string |
Returns
Promise<string>
isAddressValid
▸ isAddressValid(address): Promise<boolean>
Checks if a String is a valid bech32 encoded address.
Parameters
| Name | Type |
|---|---|
address | string |
Returns
Promise<boolean>
aliasOutputIds
▸ aliasOutputIds(queryParameters): Promise<OutputIdsResponse>
Fetch alias output IDs
Parameters
| Name | Type |
|---|---|
queryParameters | AliasQueryParameter[] |
Returns
Promise<OutputIdsResponse>
aliasOutputId
▸ aliasOutputId(aliasId): Promise<string>
Fetch alias output ID
Parameters
| Name | Type |
|---|---|
aliasId | string |
Returns
Promise<string>
nftOutputIds
▸ nftOutputIds(queryParameters): Promise<OutputIdsResponse>
Fetch NFT output IDs
Parameters
| Name | Type |
|---|---|
queryParameters | NftQueryParameter[] |
Returns
Promise<OutputIdsResponse>
nftOutputId
▸ nftOutputId(nftId): Promise<string>
Fetch NFT output ID
Parameters
| Name | Type |
|---|---|
nftId | string |
Returns
Promise<string>
foundryOutputIds
▸ foundryOutputIds(queryParameters): Promise<OutputIdsResponse>
Fetch Foundry Output IDs
Parameters
| Name | Type |
|---|---|
queryParameters | FoundryQueryParameter[] |
Returns
Promise<OutputIdsResponse>
foundryOutputId
▸ foundryOutputId(foundryId): Promise<string>
Fetch Foundry Output ID
Parameters
| Name | Type |
|---|---|
foundryId | string |
Returns
Promise<string>
tryGetOutputs
▸ tryGetOutputs(outputIds): Promise<IOutputResponse[]>
Try to get OutputResponse from provided OutputIds (requests are sent in parallel and errors are ignored, can be useful for spent outputs)
Parameters
| Name | Type |
|---|---|
outputIds | string[] |
Returns
Promise<IOutputResponse[]>
findBlocks
▸ findBlocks(blockIds): Promise<IBlock[]>
Find all blocks by provided block IDs.
Parameters
| Name | Type |
|---|---|
blockIds | string[] |
Returns
Promise<IBlock[]>
retry
▸ retry(blockId): Promise<[string, IBlock]>
Retries (promotes or reattaches) a block for provided block id. Block should be retried only if they are valid and haven't been confirmed for a while.
Parameters
| Name | Type |
|---|---|
blockId | string |
Returns
Promise<[string, IBlock]>
retryUntilIncluded
▸ retryUntilIncluded(blockId, interval?, maxAttempts?): Promise<[string, IBlock][]>
Retries (promotes or reattaches) a block for provided block id until it's included (referenced by a milestone). Default interval is 5 seconds and max attempts is 40. Returns the included block at first position and additional reattached blocks
Parameters
| Name | Type |
|---|---|
blockId | string |
interval? | number |
maxAttempts? | number |
Returns
Promise<[string, IBlock][]>
consolidateFunds
▸ consolidateFunds(secretManager, generateAddressesOptions): Promise<string>
Function to consolidate all funds from a range of addresses to the address with the lowest index in that range Returns the address to which the funds got consolidated, if any were available
Parameters
| Name | Type |
|---|---|
secretManager | SecretManager |
generateAddressesOptions | IGenerateAddressesOptions |
Returns
Promise<string>
reattach
▸ reattach(blockId): Promise<[string, IBlock]>
Reattaches blocks for provided block id. Blocks can be reattached only if they are valid and haven't been confirmed for a while.
Parameters
| Name | Type |
|---|---|
blockId | string |
Returns
Promise<[string, IBlock]>
reattachUnchecked
▸ reattachUnchecked(blockId): Promise<[string, IBlock]>
Reattach a block without checking if it should be reattached
Parameters
| Name | Type |
|---|---|
blockId | string |
Returns
Promise<[string, IBlock]>
promote
▸ promote(blockId): Promise<[string, IBlock]>
Promotes a block. The method should validate if a promotion is necessary through get_block. If not, the method should error out and should not allow unnecessary promotions.
Parameters
| Name | Type |
|---|---|
blockId | string |
Returns
Promise<[string, IBlock]>
promoteUnchecked
▸ promoteUnchecked(blockId): Promise<[string, IBlock]>
Promote a block without checking if it should be promoted
Parameters
| Name | Type |
|---|---|
blockId | string |
Returns
Promise<[string, IBlock]>
unhealthyNodes
▸ unhealthyNodes(): Promise<Set<INode>>
Returns the unhealthy nodes.
Returns
Promise<Set<INode>>
buildBasicOutput
▸ buildBasicOutput(options): Promise<IBasicOutput>
Build a Basic Output.
Parameters
| Name | Type |
|---|---|
options | IBasicOutputBuilderOptions |
Returns
Promise<IBasicOutput>
buildAliasOutput
▸ buildAliasOutput(options): Promise<IAliasOutput>
Build an Alias Output.
Parameters
| Name | Type |
|---|---|
options | IAliasOutputBuilderOptions |
Returns
Promise<IAliasOutput>
buildFoundryOutput
▸ buildFoundryOutput(options): Promise<IFoundryOutput>
Build a Foundry Output.
Parameters
| Name | Type |
|---|---|
options | IFoundryOutputBuilderOptions |
Returns
Promise<IFoundryOutput>
buildNftOutput
▸ buildNftOutput(options): Promise<INftOutput>
Build an Nft Output.
Parameters
| Name | Type |
|---|---|
options | INftOutputBuilderOptions |
Returns
Promise<INftOutput>
hashTransactionEssence
▸ hashTransactionEssence(essence): Promise<string>
Compute the hash of a transaction essence.
Parameters
| Name | Type |
|---|---|
essence | ITransactionEssence |
Returns
Promise<string>
listen
▸ listen(topics, callback): Promise<void>
Listen to MQTT topics.
Parameters
| Name | Type |
|---|---|
topics | string[] |
callback | (error: Error, result: string) => void |
Returns
Promise<void>
clearListeners
▸ clearListeners(topics): Promise<void>
Stop listening for provided MQTT topics.
Parameters
| Name | Type |
|---|---|
topics | string[] |
Returns
Promise<void>