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Interface: GraphQlClientLike

The GraphQL client for interacting with the IOTA blockchain.

Methods​

activeValidators()​

activeValidators(
epoch,
paginationFilter,
asyncOpts_?
): Promise<ValidatorPage>;

Get the list of active validators for the provided epoch, including related metadata. If no epoch is provided, it will return the active validators for the current epoch.

Parameters​

epoch​

bigint | undefined

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<ValidatorPage>


balance()​

balance(
address,
coinType,
asyncOpts_?
): Promise<bigint | undefined>;

Get the balance of all the coins owned by address for the provided coin type. Coin type will default to 0x2::coin::Coin<0x2::iota::IOTA> if not provided.

Parameters​

address​

AddressLike

coinType​

string | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


chainId()​

chainId(asyncOpts_?): Promise<string>;

Get the chain identifier.

Parameters​

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<string>


checkpoint()​

checkpoint(
digest,
seqNum,
asyncOpts_?
): Promise<
| CheckpointSummaryLike
| undefined>;

Get the CheckpointSummary for a given checkpoint digest or checkpoint id. If none is provided, it will use the last known checkpoint id.

Parameters​

digest​

CheckpointDigestLike | undefined

seqNum​

bigint | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise< | CheckpointSummaryLike | undefined>


checkpoints()​

checkpoints(paginationFilter, asyncOpts_?): Promise<CheckpointSummaryPage>;

Get a page of CheckpointSummary for the provided parameters.

Parameters​

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<CheckpointSummaryPage>


coinMetadata()​

coinMetadata(coinType, asyncOpts_?): Promise<CoinMetadata | undefined>;

Get the coin metadata for the coin type.

Parameters​

coinType​

string

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<CoinMetadata | undefined>


coins()​

coins(
owner,
paginationFilter,
coinType,
asyncOpts_?
): Promise<CoinPage>;

Get the list of coins for the specified address.

If coin_type is not provided, all coins will be returned. For IOTA coins, pass in the coin type: 0x2::iota::IOTA.

Parameters​

owner​

AddressLike

paginationFilter​

PaginationFilter | undefined

coinType​

StructTagLike | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<CoinPage>


dryRunTx()​

dryRunTx(
tx,
skipChecks,
asyncOpts_?
): Promise<DryRunResult>;

Dry run a Transaction and return the transaction effects and dry run error (if any).

skipChecks optional flag disables the usual verification checks that prevent access to objects that are owned by addresses other than the sender, and calling non-public, non-entry functions, and some other checks. Defaults to false.

Parameters​

tx​

TransactionLike

skipChecks​

boolean

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<DryRunResult>


dryRunTxKind()​

dryRunTxKind(
txKind,
txMeta,
skipChecks,
asyncOpts_?
): Promise<DryRunResult>;

Dry run a TransactionKind and return the transaction effects and dry run error (if any).

skipChecks optional flag disables the usual verification checks that prevent access to objects that are owned by addresses other than the sender, and calling non-public, non-entry functions, and some other checks. Defaults to false.

tx_meta is the transaction metadata.

Parameters​

txKind​

TransactionKindLike

txMeta​

TransactionMetadata

skipChecks​

boolean

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<DryRunResult>


dynamicField()​

dynamicField(
address,
typeTag,
name,
asyncOpts_?
): Promise<DynamicFieldOutput | undefined>;

Access a dynamic field on an object using its name. Names are arbitrary Move values whose type have copy, drop, and store, and are specified using their type, and their BCS contents, Base64 encoded.

The name argument is a json serialized type.

This returns DynamicFieldOutput which contains the name, the value as json, and object.

Parameters​

address​

AddressLike

typeTag​

TypeTagLike

name​

string

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<DynamicFieldOutput | undefined>


dynamicFields()​

dynamicFields(
address,
paginationFilter,
asyncOpts_?
): Promise<DynamicFieldOutputPage>;

Get a page of dynamic fields for the provided address. Note that this will also fetch dynamic fields on wrapped objects.

This returns a page of DynamicFieldOutputs.

Parameters​

address​

AddressLike

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<DynamicFieldOutputPage>


dynamicObjectField()​

dynamicObjectField(
address,
typeTag,
name,
asyncOpts_?
): Promise<DynamicFieldOutput | undefined>;

Access a dynamic object field on an object using its name. Names are arbitrary Move values whose type have copy, drop, and store, and are specified using their type, and their BCS contents, Base64 encoded.

The name argument is a json serialized type.

This returns DynamicFieldOutput which contains the name, the value as json, and object.

Parameters​

address​

AddressLike

typeTag​

TypeTagLike

name​

string

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<DynamicFieldOutput | undefined>


epoch()​

epoch(epoch, asyncOpts_?): Promise<Epoch | undefined>;

Return the epoch information for the provided epoch. If no epoch is provided, it will return the last known epoch.

Parameters​

epoch​

bigint | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<Epoch | undefined>


epochTotalCheckpoints()​

epochTotalCheckpoints(epoch, asyncOpts_?): Promise<bigint | undefined>;

Return the number of checkpoints in this epoch. This will return Ok(None) if the epoch requested is not available in the GraphQL service (e.g., due to pruning).

Parameters​

epoch​

bigint | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


epochTotalTransactionBlocks()​

epochTotalTransactionBlocks(epoch, asyncOpts_?): Promise<bigint | undefined>;

Return the number of transaction blocks in this epoch. This will return Ok(None) if the epoch requested is not available in the GraphQL service (e.g., due to pruning).

Parameters​

epoch​

bigint | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


events()​

events(
filter,
paginationFilter,
asyncOpts_?
): Promise<EventPage>;

Return a page of tuple (event, transaction digest) based on the (optional) event filter.

Parameters​

filter​

EventFilter | undefined

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<EventPage>


eventsSubscription()​

eventsSubscription(
filter,
startAfter,
asyncOpts_?
): Promise<EventSubscriptionLike>;

Subscribe to a live stream of events matching the (optional) filter.

start_after optionally resumes from the transaction immediately following the given transaction digest; thereafter the subscription tracks its own resume point across reconnects.

Note: subscriptions are served over a WebSocket and are currently supported on devnet and localnet only. They are unavailable altogether in the wasm build, where next raises.

Parameters​

filter​

| SubscriptionEventFilter | undefined

startAfter​

string | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<EventSubscriptionLike>


executeTx()​

executeTx(
signatures,
tx,
waitFor,
asyncOpts_?
): Promise<TransactionEffectsLike>;

Execute a transaction.

Parameters​

signatures​

UserSignatureLike[]

tx​

TransactionLike

waitFor​

WaitForTx | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<TransactionEffectsLike>


gasCoins()​

gasCoins(
owner,
paginationFilter,
asyncOpts_?
): Promise<CoinPage>;

Get the list of gas coins for the specified address.

Parameters​

owner​

AddressLike

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<CoinPage>


iotaNamesDefaultName()​

iotaNamesDefaultName(
address,
format,
asyncOpts_?
): Promise<NameLike | undefined>;

Get the default name pointing to this address, if one exists.

Parameters​

address​

AddressLike

format​

NameFormat | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<NameLike | undefined>


iotaNamesLookup()​

iotaNamesLookup(name, asyncOpts_?): Promise<AddressLike | undefined>;

Return the resolved address for the given name.

Parameters​

name​

string

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<AddressLike | undefined>


iotaNamesRegistrations()​

iotaNamesRegistrations(
address,
paginationFilter,
asyncOpts_?
): Promise<NameRegistrationPage>;

Find all registration NFTs for the given address.

Parameters​

address​

AddressLike

paginationFilter​

PaginationFilter

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<NameRegistrationPage>


isTxFinalized()​

isTxFinalized(digest, asyncOpts_?): Promise<boolean>;

Returns whether the transaction for the given digest has been included in a checkpoint (finalized).

Parameters​

digest​

TransactionDigestLike

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<boolean>


isTxIndexedOnNode()​

isTxIndexedOnNode(digest, asyncOpts_?): Promise<boolean>;

Returns whether the transaction for the given digest has been indexed on the node. This means that it can be queried by its digest and its effects will be usable for subsequent transactions. To check for full finalization, use is_tx_finalized.

Parameters​

digest​

TransactionDigestLike

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<boolean>


latestCheckpointSequenceNumber()​

latestCheckpointSequenceNumber(asyncOpts_?): Promise<bigint | undefined>;

Return the sequence number of the latest checkpoint that has been executed.

Parameters​

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


maxPageSize()​

maxPageSize(asyncOpts_?): Promise<number>;

Lazily fetch the max page size

Parameters​

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<number>


moveObjectContents()​

moveObjectContents(
objectId,
version,
asyncOpts_?
): Promise<string | undefined>;

Return the contents' JSON of an object that is a Move object.

If the object does not exist (e.g., due to pruning), this will return Ok(None). Similarly, if this is not an object but an address, it will return Ok(None).

Parameters​

objectId​

ObjectIdLike

version​

VersionLike | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<string | undefined>


moveObjectContentsBcs()​

moveObjectContentsBcs(
objectId,
version,
asyncOpts_?
): Promise<ArrayBuffer | undefined>;

Return the BCS of an object that is a Move object.

If the object does not exist (e.g., due to pruning), this will return Ok(None). Similarly, if this is not an object but an address, it will return Ok(None).

Parameters​

objectId​

ObjectIdLike

version​

VersionLike | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<ArrayBuffer | undefined>


moveViewCall()​

moveViewCall(
functionName,
typeArguments,
moveArguments,
asyncOpts_?
): Promise<MoveViewResult>;

Execute a Move View Function.

A View Function is a function in a Move module with a return type that does not alter the state of the ledger. When using this interface, no transactions are submitted to the network for inclusion into the ledger.

This method allows calling nearly any Move function with a return type and any arguments. The function's result values are provided and decoded using the appropriate Move type, then formatted in JSON.

The use of this interface does not require signature checks (even for functions that take Owned Objects as input) or gas coins, as it does not alter ledger state. Spam attacks are dealt with at the RPC level rather than execution level.

Arguments

  • function_name - The Move function fully qualified name as <package_id>::<module_name>::<function_name>, e.g., 0x2::hash::blake2b256
  • type_arguments - The type arguments of the Move function
  • arguments - The typed arguments to be passed into the Move function

Returns

A MoveViewResult containing either execution results (return values) or an error.

Parameters​

functionName​

string

typeArguments​

TypeTagLike[] | undefined

moveArguments​

MoveViewArgLike[] | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<MoveViewResult>


moveViewCallJson()​

moveViewCallJson(
functionName,
typeArguments,
moveArguments,
asyncOpts_?
): Promise<MoveViewResult>;

Execute a Move View Function with raw JSON arguments.

This is an alternative to [GraphQLClient::move_view_call] that accepts raw JSON values instead of typed arguments.

A View Function is a function in a Move module with a return type that does not alter the state of the ledger. When using this interface, no transactions are submitted to the network for inclusion into the ledger.

Arguments

  • function_name - The Move function fully qualified name as <package_id>::<module_name>::<function_name>, e.g., 0x2::hash::blake2b256
  • type_arguments - The type arguments of the Move function
  • arguments - The arguments to be passed into the Move function, in JSON format

Returns

A MoveViewResult containing either execution results (return values) or an error.

Parameters​

functionName​

string

typeArguments​

string[] | undefined

moveArguments​

string[] | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<MoveViewResult>


normalizedMoveFunction()​

normalizedMoveFunction(
package_,
module,
function_,
version,
asyncOpts_?
): Promise<MoveFunctionLike | undefined>;

Return the normalized Move function data for the provided package, module, and function.

Parameters​

package_​

AddressLike

module​

string

function_​

string

version​

VersionLike | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<MoveFunctionLike | undefined>


normalizedMoveModule()​

normalizedMoveModule(
package_,
module,
version,
paginationFilterEnums,
paginationFilterFriends,
paginationFilterFunctions,
paginationFilterStructs,
asyncOpts_?
): Promise<MoveModule | undefined>;

Return the normalized Move module data for the provided module.

Parameters​

package_​

AddressLike

module​

string

version​

VersionLike | undefined

paginationFilterEnums​

PaginationFilter | undefined

paginationFilterFriends​

PaginationFilter | undefined

paginationFilterFunctions​

PaginationFilter | undefined

paginationFilterStructs​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<MoveModule | undefined>


object()​

object(
objectId,
version,
asyncOpts_?
): Promise<ObjectLike | undefined>;

Return an object based on the provided Address.

If the object does not exist (e.g., due to pruning), this will return Ok(None). Similarly, if this is not an object but an address, it will return Ok(None).

Parameters​

objectId​

ObjectIdLike

version​

VersionLike | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<ObjectLike | undefined>


objectBcs()​

objectBcs(objectId, asyncOpts_?): Promise<ArrayBuffer | undefined>;

Return the object's bcs content Vec<u8> based on the provided Address.

Parameters​

objectId​

ObjectIdLike

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<ArrayBuffer | undefined>


objects()​

objects(
filter,
paginationFilter,
asyncOpts_?
): Promise<ObjectPage>;

Return a page of objects based on the provided parameters.

Use this function together with the ObjectFilter::owner to get the objects owned by an address.

Parameters​

filter​

ObjectFilter | undefined

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<ObjectPage>


package_()​

package_(
address,
version,
asyncOpts_?
): Promise<MovePackageLike | undefined>;

The package corresponding to the given address (at the optionally given version). When no version is given, the package is loaded directly from the address given. Otherwise, the address is translated before loading to point to the package whose original ID matches the package at address, but whose version is version. For non-system packages, this might result in a different address than address because different versions of a package, introduced by upgrades, exist at distinct addresses.

Note that this interpretation of version is different from a historical object read (the interpretation of version for the object query).

Parameters​

address​

AddressLike

version​

VersionLike | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<MovePackageLike | undefined>


packageLatest()​

packageLatest(address, asyncOpts_?): Promise<MovePackageLike | undefined>;

Fetch the latest version of the package at address. This corresponds to the package with the highest version that shares its original ID with the package at address.

Parameters​

address​

AddressLike

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<MovePackageLike | undefined>


packages()​

packages(
afterCheckpoint,
beforeCheckpoint,
paginationFilter,
asyncOpts_?
): Promise<MovePackagePage>;

The Move packages that exist in the network, optionally filtered to be strictly before beforeCheckpoint and/or strictly after afterCheckpoint.

This query returns all versions of a given user package that appear between the specified checkpoints, but only records the latest versions of system packages.

Parameters​

afterCheckpoint​

bigint | undefined

beforeCheckpoint​

bigint | undefined

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<MovePackagePage>


packageVersions()​

packageVersions(
address,
afterVersion,
beforeVersion,
paginationFilter,
asyncOpts_?
): Promise<MovePackagePage>;

Fetch all versions of package at address (packages that share this package's original ID), optionally bounding the versions exclusively from below with afterVersion, or from above with beforeVersion.

Parameters​

address​

AddressLike

afterVersion​

VersionLike | undefined

beforeVersion​

VersionLike | undefined

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<MovePackagePage>


protocolConfig()​

protocolConfig(version, asyncOpts_?): Promise<ProtocolConfigs>;

Get the protocol configuration.

Parameters​

version​

bigint | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<ProtocolConfigs>


referenceGasPrice()​

referenceGasPrice(epoch, asyncOpts_?): Promise<bigint | undefined>;

Get the reference gas price for the provided epoch or the last known one if no epoch is provided.

This will return Ok(None) if the epoch requested is not available in the GraphQL service (e.g., due to pruning).

Parameters​

epoch​

bigint | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


runQuery()​

runQuery(query, asyncOpts_?): Promise<string>;

Run a query.

Parameters​

query​

Query

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<string>


serviceConfig()​

serviceConfig(asyncOpts_?): Promise<ServiceConfig>;

Get the GraphQL service configuration, including complexity limits, read and mutation limits, supported versions, and others.

Parameters​

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<ServiceConfig>


setRpcServer()​

setRpcServer(server, asyncOpts_?): Promise<void>;

Set the server address for the GraphQL client. It should be a valid URL with a host and optionally a port number.

Parameters​

server​

string

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<void>


totalSupply()​

totalSupply(coinType, asyncOpts_?): Promise<bigint | undefined>;

Get total supply for the coin type.

Parameters​

coinType​

string

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


totalTransactionBlocks()​

totalTransactionBlocks(asyncOpts_?): Promise<bigint | undefined>;

The total number of transaction blocks in the network by the end of the last known checkpoint.

Parameters​

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


totalTransactionBlocksByDigest()​

totalTransactionBlocksByDigest(digest, asyncOpts_?): Promise<bigint | undefined>;

The total number of transaction blocks in the network by the end of the provided checkpoint digest.

Parameters​

digest​

CheckpointDigestLike

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


totalTransactionBlocksBySeqNum()​

totalTransactionBlocksBySeqNum(seqNum, asyncOpts_?): Promise<bigint | undefined>;

The total number of transaction blocks in the network by the end of the provided checkpoint sequence number.

Parameters​

seqNum​

bigint

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<bigint | undefined>


transaction()​

transaction(digest, asyncOpts_?): Promise<SignedTransaction | undefined>;

Get a transaction by its digest.

Parameters​

digest​

TransactionDigestLike

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<SignedTransaction | undefined>


transactionBuilder()​

transactionBuilder(sender): ClientTransactionBuilderLike;

Create a new TransactionBuilder with the given sender address.

Parameters​

sender​

AddressLike

Returns​

ClientTransactionBuilderLike


transactionDataEffects()​

transactionDataEffects(digest, asyncOpts_?): Promise<
| TransactionDataEffects
| undefined>;

Get a transaction's data and effects by its digest.

Parameters​

digest​

TransactionDigestLike

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise< | TransactionDataEffects | undefined>


transactionEffects()​

transactionEffects(digest, asyncOpts_?): Promise<
| TransactionEffectsLike
| undefined>;

Get a transaction's effects by its digest.

Parameters​

digest​

TransactionDigestLike

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise< | TransactionEffectsLike | undefined>


transactions()​

transactions(
filter,
paginationFilter,
asyncOpts_?
): Promise<SignedTransactionPage>;

Get a page of transactions based on the provided filters.

Parameters​

filter​

TransactionsFilter | undefined

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<SignedTransactionPage>


transactionsDataEffects()​

transactionsDataEffects(
filter,
paginationFilter,
asyncOpts_?
): Promise<TransactionDataEffectsPage>;

Get a page of transactions' data and effects based on the provided filters.

Parameters​

filter​

TransactionsFilter | undefined

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<TransactionDataEffectsPage>


transactionsEffects()​

transactionsEffects(
filter,
paginationFilter,
asyncOpts_?
): Promise<TransactionEffectsPage>;

Get a page of transactions' effects based on the provided filters.

Parameters​

filter​

TransactionsFilter | undefined

paginationFilter​

PaginationFilter | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<TransactionEffectsPage>


transactionsSubscription()​

transactionsSubscription(
filter,
startAfter,
asyncOpts_?
): Promise<TransactionSubscriptionLike>;

Subscribe to a live stream of transactions matching the (optional) filter.

start_after optionally resumes from the transaction immediately following the given digest; thereafter the subscription tracks its own resume point across reconnects.

Note: subscriptions are served over a WebSocket and are currently supported on devnet and localnet only. They are unavailable altogether in the wasm build, where next raises.

Parameters​

filter​

| SubscriptionTransactionFilter | undefined

startAfter​

string | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<TransactionSubscriptionLike>


waitForTx()​

waitForTx(
digest,
waitFor,
timeout,
asyncOpts_?
): Promise<void>;

Wait for the indexing (on the node, not the indexer) or finalization of a transaction by its digest. An optional timeout can be provided, which, if exceeded, will return an error (default 60s).

Parameters​

digest​

TransactionDigestLike

waitFor​

WaitForTx

timeout​

number | undefined

asyncOpts_?​
signal​

AbortSignal

Returns​

Promise<void>