feat: initialize base agent node

credentials/BaseApi.credentials.ts

@@ -0,0 +1,66 @@
+import {
+	IAuthenticateGeneric,
+	ICredentialTestRequest,
+	ICredentialType,
+	INodeProperties,
+} from 'n8n-workflow';
+
+export class BaseApi implements ICredentialType {
+	name = 'baseApi';
+	displayName = 'Base API';
+	documentationUrl = 'https://docs.base.com/';
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Private Key',
+			name: 'privateKey',
+			type: 'string',
+			typeOptions: {
+				password: true,
+			},
+			default: '',
+			required: true,
+			description: 'The private key of your Base wallet',
+		},
+		{
+			displayName: 'RPC URL',
+			name: 'rpcUrl',
+			type: 'string',
+			default: 'https://api.mainnet-beta.base.com',
+			required: true,
+			description: 'The URL of the Base RPC node',
+		},
+		{
+			displayName: 'OpenAI API Key',
+			name: 'openAiApiKey',
+			type: 'string',
+			typeOptions: {
+				password: true,
+			},
+			default: '',
+			required: true,
+			description: 'API key for OpenAI services',
+		},
+	];
+
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				'Content-Type': 'application/json',
+			},
+		},
+	};
+
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: '={{$credentials.rpcUrl}}',
+			url: '/',
+			method: 'POST',
+			body: {
+				jsonrpc: '2.0',
+				id: 1,
+				method: 'getHealth',
+			},
+		},
+	};
+}