ethers/lib.commonjs/contract/types.d.ts

import type { EventFragment, FunctionFragment, Result, Typed } from "../abi/index.js";
import type { TransactionRequest, PreparedTransactionRequest, TopicFilter } from "../providers/index.js";
import type { ContractTransactionResponse } from "./wrappers.js";
/**
 *  The name for an event used for subscribing to Contract events.
 *
 *  **``string``** - An event by name. The event must be non-ambiguous.
 *  The parameters will be dereferenced when passed into the listener.
 *
 *  [[ContractEvent]] - A filter from the ``contract.filters``, which will
 *  pass only the EventPayload as a single parameter, which includes a
 *  ``.signature`` property that can be used to further filter the event.
 *
 *  [[TopicFilter]] - A filter defined using the standard Ethereum API
 *  which provides the specific topic hash or topic hashes to watch for along
 *  with any additional values to filter by. This will only pass a single
 *  parameter to the listener, the EventPayload which will include additional
 *  details to refine by, such as the event name and signature.
 *
 *  [[DeferredTopicFilter]] - A filter created by calling a [[ContractEvent]]
 *  with parameters, which will create a filter for a specific event
 *  signautre and dereference each parameter when calling the listener.
 */
export type ContractEventName = string | ContractEvent | TopicFilter | DeferredTopicFilter;
/**
 *  A Contract with no method constraints.
 */
export interface ContractInterface {
    [name: string]: BaseContractMethod;
}
/**
 *  When creating a filter using the ``contract.filters``, this is returned.
 */
export interface DeferredTopicFilter {
    getTopicFilter(): Promise<TopicFilter>;
    fragment: EventFragment;
}
/**
 *  When populating a transaction this type is returned.
 */
export interface ContractTransaction extends PreparedTransactionRequest {
    /**
     *  The target address.
     */
    to: string;
    /**
     *  The transaction data.
     */
    data: string;
    /**
     *  The from address, if any.
     */
    from?: string;
}
/**
 *  A deployment transaction for a contract.
 */
export interface ContractDeployTransaction extends Omit<ContractTransaction, "to"> {
}
/**
 *  The overrides for a contract transaction.
 */
export interface Overrides extends Omit<TransactionRequest, "to" | "data"> {
}
/**
 *  Arguments to a Contract method can always include an additional and
 *  optional overrides parameter.
 *
 *  @_ignore:
 */
export type PostfixOverrides<A extends Array<any>> = A | [...A, Overrides];
/**
 *  Arguments to a Contract method can always include an additional and
 *  optional overrides parameter, and each parameter can optionally be
 *  [[Typed]].
 *
 *  @_ignore:
 */
export type ContractMethodArgs<A extends Array<any>> = PostfixOverrides<{
    [I in keyof A]-?: A[I] | Typed;
}>;
/**
 *  A Contract method can be called directly, or used in various ways.
 */
export interface BaseContractMethod<A extends Array<any> = Array<any>, R = any, D extends R | ContractTransactionResponse = R | ContractTransactionResponse> {
    (...args: ContractMethodArgs<A>): Promise<D>;
    /**
     *  The name of the Contract method.
     */
    name: string;
    /**
     *  The fragment of the Contract method. This will throw on ambiguous
     *  method names.
     */
    fragment: FunctionFragment;
    /**
     *  Returns the fragment constrained by %%args%%. This can be used to
     *  resolve ambiguous method names.
     */
    getFragment(...args: ContractMethodArgs<A>): FunctionFragment;
    /**
     *  Returns a populated transaction that can be used to perform the
     *  contract method with %%args%%.
     */
    populateTransaction(...args: ContractMethodArgs<A>): Promise<ContractTransaction>;
    /**
     *  Call the contract method with %%args%% and return the value.
     *
     *  If the return value is a single type, it will be dereferenced and
     *  returned directly, otherwise the full Result will be returned.
     */
    staticCall(...args: ContractMethodArgs<A>): Promise<R>;
    /**
     *  Send a transaction for the contract method with %%args%%.
     */
    send(...args: ContractMethodArgs<A>): Promise<ContractTransactionResponse>;
    /**
     *  Estimate the gas to send the contract method with %%args%%.
     */
    estimateGas(...args: ContractMethodArgs<A>): Promise<bigint>;
    /**
     *  Call the contract method with %%args%% and return the Result
     *  without any dereferencing.
     */
    staticCallResult(...args: ContractMethodArgs<A>): Promise<Result>;
}
/**
 *  A contract method on a Contract.
 */
export interface ContractMethod<A extends Array<any> = Array<any>, R = any, D extends R | ContractTransactionResponse = R | ContractTransactionResponse> extends BaseContractMethod<A, R, D> {
}
/**
 *  A pure of view method on a Contract.
 */
export interface ConstantContractMethod<A extends Array<any>, R = any> extends ContractMethod<A, R, R> {
}
/**
 *  Each argument of an event is nullable (to indicate matching //any//.
 *
 *  @_ignore:
 */
export type ContractEventArgs<A extends Array<any>> = {
    [I in keyof A]?: A[I] | Typed | null;
};
export interface ContractEvent<A extends Array<any> = Array<any>> {
    (...args: ContractEventArgs<A>): DeferredTopicFilter;
    /**
     *  The name of the Contract event.
     */
    name: string;
    /**
     *  The fragment of the Contract event. This will throw on ambiguous
     *  method names.
     */
    fragment: EventFragment;
    /**
     *  Returns the fragment constrained by %%args%%. This can be used to
     *  resolve ambiguous event names.
     */
    getFragment(...args: ContractEventArgs<A>): EventFragment;
}
/**
 *  A Fallback or Receive function on a Contract.
 */
export interface WrappedFallback {
    (overrides?: Omit<TransactionRequest, "to">): Promise<ContractTransactionResponse>;
    /**
     *  Returns a populated transaction that can be used to perform the
     *  fallback method.
     *
     *  For non-receive fallback, ``data`` may be overridden.
     */
    populateTransaction(overrides?: Omit<TransactionRequest, "to">): Promise<ContractTransaction>;
    /**
     *  Call the contract fallback and return the result.
     *
     *  For non-receive fallback, ``data`` may be overridden.
     */
    staticCall(overrides?: Omit<TransactionRequest, "to">): Promise<string>;
    /**
     *  Send a transaction to the contract fallback.
     *
     *  For non-receive fallback, ``data`` may be overridden.
     */
    send(overrides?: Omit<TransactionRequest, "to">): Promise<ContractTransactionResponse>;
    /**
     *  Estimate the gas to send a transaction to the contract fallback.
     *
     *  For non-receive fallback, ``data`` may be overridden.
     */
    estimateGas(overrides?: Omit<TransactionRequest, "to">): Promise<bigint>;
}
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