hardhat
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Hardhat is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.
34 lines • 1.39 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ProviderWrapper = void 0;
const event_emitter_1 = require("../../util/event-emitter");
const errors_1 = require("./errors");
/**
* A wrapper class that makes it easy to implement the EIP1193 (Javascript Ethereum Provider) standard.
* It comes baked in with all EventEmitter methods needed,
* which will be added to the provider supplied in the constructor.
* It also provides the interface for the standard .request() method as an abstract method.
*/
class ProviderWrapper extends event_emitter_1.EventEmitterWrapper {
constructor(_wrappedProvider) {
super(_wrappedProvider);
this._wrappedProvider = _wrappedProvider;
}
/**
* Extract the params from RequestArguments and optionally type them.
* It defaults to an empty array if no params are found.
*/
_getParams(args) {
const params = args.params;
if (params === undefined) {
return [];
}
if (!Array.isArray(params)) {
// eslint-disable-next-line @nomicfoundation/hardhat-internal-rules/only-hardhat-error
throw new errors_1.InvalidInputError("Hardhat Network doesn't support JSON-RPC params sent as an object");
}
return params;
}
}
exports.ProviderWrapper = ProviderWrapper;
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