@nomicfoundation/hardhat-chai-matchers/types.d.ts

Hardhat utils for testing

/// <reference types="chai" />
declare namespace Chai {
    interface Assertion extends LanguageChains, NumericComparison, TypeComparison {
        emit(contract: any, eventName: string): EmitAssertion;
        reverted: AsyncAssertion;
        revertedWith(reason: string | RegExp): AsyncAssertion;
        revertedWithoutReason(): AsyncAssertion;
        revertedWithPanic(code?: any): AsyncAssertion;
        revertedWithCustomError(contract: {
            interface: any;
        }, customErrorName: string): CustomErrorAssertion;
        hexEqual(other: string): void;
        properPrivateKey: void;
        properAddress: void;
        properHex(length: number): void;
        changeEtherBalance(account: any, balance: any, options?: any): AsyncAssertion;
        changeEtherBalances(accounts: any[], balances: any[] | ((changes: bigint[]) => boolean), options?: any): AsyncAssertion;
        changeTokenBalance(token: any, account: any, balance: any): AsyncAssertion;
        changeTokenBalances(token: any, account: any[], balance: any[] | ((changes: bigint[]) => boolean)): AsyncAssertion;
    }
    interface NumericComparison {
        within(start: any, finish: any, message?: string): Assertion;
    }
    interface NumberComparer {
        (value: any, message?: string): Assertion;
    }
    interface CloseTo {
        (expected: any, delta: any, message?: string): Assertion;
    }
    interface Length extends Assertion {
        (length: any, message?: string): Assertion;
    }
    interface AsyncAssertion extends Assertion, Promise<void> {
    }
    interface EmitAssertion extends AsyncAssertion {
        withArgs(...args: any[]): AsyncAssertion;
    }
    interface CustomErrorAssertion extends AsyncAssertion {
        withArgs(...args: any[]): AsyncAssertion;
    }
}
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