A BaseContract with no type guards on its methods or events.

​
Extends

​
Properties

PropertyModifierTypeDescriptionInherited from
fallbackreadonlynull | WrappedFallbackThe fallback or receive function if any._ContractBase().fallback
filtersreadonlyRecord<string, ContractEvent<any[]>>All the Events available on this contract._ContractBase().filters
interfacereadonlyInterfaceThe contract Interface._ContractBase().interface
runnerreadonlynull | ContractRunnerThe connected runner. This is generally a Provider or a
Signer, which dictates what operations are supported.

For example, a Contract connected to a Provider may only execute read-only
operations.		_ContractBase().runner
targetreadonlystring | AddressableThe target to connect to.

This can be an address or any Addressable, such as another contract. To get the
resolved address, use the getAddress method.		_ContractBase().target

​
Methods

​
addListener()

addListener(event, listener): Promise<Contract>

Alias for on.

​
Parameters

ParameterTypeDescription
eventContractEventNameThe event to listen for.
listenerListenerThe listener to call when the event is emitted.

​
Returns

Promise<Contract>

​
Inherited from

_ContractBase().addListener

​
Source

contract/contract.ts:1490

​
attach()

attach(target): BaseContract

Return a new Contract instance with the same ABI and runner, but a different target.

​
Parameters

ParameterTypeDescription
targetstring | AddressableThe target to connect to.

​
Returns

BaseContract

The new contract instance.

​
Inherited from

_ContractBase().attach

​
Source

contract/contract.ts:1167

​
connect()

connect(runner): BaseContract

Return a new Contract instance with the same target and ABI, but a different runner.

​
Parameters

ParameterTypeDescription
runnernull | ContractRunnerThe runner to use.

​
Returns

BaseContract

The new contract instance.

​
Inherited from

_ContractBase().connect

​
Source

contract/contract.ts:1157

​
deploymentTransaction()

deploymentTransaction(): null | ContractTransactionResponse

Return the transaction used to deploy this contract.

This is only available if this instance was returned from a ContractFactor.

​
Returns

null | ContractTransactionResponse

The transaction used to deploy this contract or null.

​
Inherited from

_ContractBase().deploymentTransaction

​
Source

contract/contract.ts:1248

​
emit()

emit(event, ...args): Promise<boolean>

Emit an event calling all listeners with args.

Resolves to true if any listeners were called.

​
Parameters

ParameterTypeDescription
eventContractEventNameThe event to emit.
…argsany[]The arguments to pass to the listeners.

​
Returns

Promise<boolean>

true if any listeners were called.

​
Inherited from

_ContractBase().emit

​
Source

contract/contract.ts:1379

​
getAddress()

getAddress(): Promise<string>

Return the resolved address of this Contract.

​
Returns

Promise<string>

The resolved address.

​
Inherited from

_ContractBase().getAddress

​
Source

contract/contract.ts:1176

​
getDeployedCode()

getDeployedCode(): Promise<null | string>

Return the deployed bytecode or null if no bytecode is found.

​
Returns

Promise<null | string>

The deployed bytecode or null.

​
Inherited from

_ContractBase().getDeployedCode

​
Throws

If the runner does not support .provider.

​
Source

contract/contract.ts:1186

​
getEvent()

getEvent(key): ContractEvent<any[]>

Return the event for a given name. This is useful when a contract event name conflicts with a JavaScript name such as prototype or when using a Contract programatically.

​
Parameters

ParameterTypeDescription
keystring | EventFragmentThe name of the event to return.

​
Returns

ContractEvent<any[]>

The event for the given name.

​
Inherited from

_ContractBase().getEvent

​
Source

contract/contract.ts:1274

​
getFunction()

getFunction<T>(key): T

Return the function for a given name. This is useful when a contract method name conflicts with a JavaScript name such as prototype or when using a Contract programatically.

​
Type parameters

Type parameterValue
T extends ContractMethod<any[], any, any, T>ContractMethod<any[], any, any>

​
Parameters

ParameterTypeDescription
keystring | FunctionFragmentThe name of the function to return.

​
Returns

T

The function for the given name.

​
Inherited from

_ContractBase().getFunction

​
Source

contract/contract.ts:1259

​
listenerCount()

listenerCount(event?): Promise<number>

Resolves to the number of listeners of event or the total number of listeners if unspecified.

​
Parameters

ParameterTypeDescription
event?ContractEventNameThe event to count listeners for.

​
Returns

Promise<number>

The number of listeners.

​
Inherited from

_ContractBase().listenerCount

​
Source

contract/contract.ts:1389

​
listeners()

listeners(event?): Promise<Listener[]>

Resolves to the listeners subscribed to event or all listeners if unspecified.

​
Parameters

ParameterTypeDescription
event?ContractEventNameThe event to get listeners for.

​
Returns

Promise<Listener[]>

The listeners.

​
Inherited from

_ContractBase().listeners

​
Source

contract/contract.ts:1413

​
off()

off(event, listener?): Promise<Contract>

Remove the listener from the listeners for event or remove all listeners if unspecified.

​
Parameters

ParameterTypeDescription
eventContractEventNameThe event to remove the listener from.
listener?ListenerThe listener to remove.

​
Returns

Promise<Contract>

This contract instance.

​
Inherited from

_ContractBase().off

​
Source

contract/contract.ts:1438

​
on()

on(event, listener): Promise<Contract>

Add an event listener for the event.

​
Parameters

ParameterTypeDescription
eventContractEventNameThe event to listen for.
listenerListenerThe listener to call when the event is emitted.

​
Returns

Promise<Contract>

This contract instance.

​
Inherited from

_ContractBase().on

​
Source

contract/contract.ts:1350

​
once()

once(event, listener): Promise<Contract>

Add an event listener for the event, but remove the listener after it is fired once.

​
Parameters

ParameterTypeDescription
eventContractEventNameThe event to listen for.
listenerListenerThe listener to call when the event is emitted.

​
Returns

Promise<Contract>

​
Inherited from

_ContractBase().once

​
Source

contract/contract.ts:1363

​
queryFilter()

queryFilter(
   event, 
   fromBlock?, 
toBlock?): Promise<(EventLog | Log)[]>

Provide historic access to event data for event in the range fromBlock (default: 0) to toBlock (default: "latest") inclusive.

​
Parameters

ParameterTypeDescription
eventContractEventNameThe event to query.
fromBlock?BlockTagThe block to start querying from.
toBlock?BlockTagThe block to stop querying at.

​
Returns

Promise<(EventLog | Log)[]>

An array of event logs.

​
Inherited from

_ContractBase().queryFilter

​
Source

contract/contract.ts:1300

​
removeAllListeners()

removeAllListeners(event?): Promise<Contract>

Remove all the listeners for event or remove all listeners if unspecified.

​
Parameters

ParameterTypeDescription
event?ContractEventNameThe event to remove the listeners from.

​
Returns

Promise<Contract>

This contract instance.

​
Inherited from

_ContractBase().removeAllListeners

​
Source

contract/contract.ts:1465

​
removeListener()

removeListener(event, listener): Promise<Contract>

Alias for off.

​
Parameters

ParameterTypeDescription
eventContractEventNameThe event to remove the listener from.
listenerListenerThe listener to remove.

​
Returns

Promise<Contract>

​
Inherited from

_ContractBase().removeListener

​
Source

contract/contract.ts:1500

​
waitForDeployment()

waitForDeployment(): Promise<Contract>

Resolve to this Contract once the bytecode has been deployed, or resolve immediately if already deployed.

​
Returns

Promise<Contract>

The contract instance.

​
Inherited from

_ContractBase().waitForDeployment

​
Throws

If the contract runner does not support .provider.

​
Source

contract/contract.ts:1205

Was this page helpful?

BaseContractContractEventPayload