@ethereum-waffle/provider/dist/cjs/src/revertString.d.ts

A mock provider for your blockchain testing needs.

import { providers } from 'ethers';
import { Provider } from 'ganache';
/**
 * Decodes a revert string from a failed call/query that reverts on chain.
 * @param callRevertError The error catched from performing a reverting call (query)
 */
export declare const decodeRevertString: (callRevertError: any) => string;
export declare const appendRevertString: (etherProvider: providers.Web3Provider, receipt: any) => Promise<void>;
/**
 * Ethers executes a gas estimation before sending the transaction to the blockchain.
 * This poses a problem for Waffle - we cannot track sent transactions which eventually revert.
 * This is a common use case for testing, but such transaction never gets sent.
 * A failed gas estimation prevents it from being sent.
 *
 * In test environment, we replace the gas estimation with an always-succeeding method.
 * If a transaction is meant to be reverted, it will do so after it is actually send and mined.
 *
 * Additionally, we patch the method for getting transaction receipt.
 * Ethers does not provide the error code in the receipt that we can use to
 * read a revert string, so we patch it and include it using a query to the blockchain.
 */
export declare const injectRevertString: (provider: Provider) => Provider;
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