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custom_rpc_methods.ts
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custom_rpc_methods.ts
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/*
This file is part of web3.js.
web3.js is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
web3.js is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with web3.js. If not, see <http://www.gnu.org/licenses/>.
*/
import { Web3PluginBase } from 'web3-core';
// eslint-disable-next-line require-extensions/require-extensions
import { Web3Context } from './reexported_web3_context';
// eslint-disable-next-line require-extensions/require-extensions
import { Web3Middleware } from './request_manager_middleware';
type CustomRpcApi = {
custom_rpc_method: () => string;
custom_rpc_method_with_parameters: (parameter1: string, parameter2: number) => string;
};
export class CustomRpcMethodsPlugin extends Web3PluginBase<CustomRpcApi> {
public pluginNamespace = 'customRpcMethods';
public web3Middleware: Web3Middleware<CustomRpcApi> | undefined;
public constructor(testMiddleware = false) {
super();
if (testMiddleware) {
this.web3Middleware = new Web3Middleware<CustomRpcApi>();
}
}
public link(parentContext: Web3Context): void {
if (this.web3Middleware)
parentContext.requestManager.setMiddleware(this.web3Middleware);
super.link(parentContext);
}
public async customRpcMethod() {
return this.requestManager.send({
method: 'custom_rpc_method',
params: [],
});
}
public async customRpcMethodWithParameters(parameter1: string, parameter2: number) {
return this.requestManager.send({
method: 'custom_rpc_method_with_parameters',
params: [parameter1, parameter2],
});
}
}
// Module Augmentation
declare module './reexported_web3_context' {
interface Web3Context {
customRpcMethods: CustomRpcMethodsPlugin;
}
}
export { Web3Context };