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Anvil WebSocket connection #419

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Anvil WebSocket connection #419

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21 changes: 20 additions & 1 deletion apps/cli/src/wallet.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,11 @@ import input from "@inquirer/input";
import {
createTestClient,
defineChain,
fallback,
http,
publicActions,
walletActions,
webSocket,
} from "viem";
import { anvil } from "viem/chains";
import { getProjectName } from "./base.js";
Expand Down Expand Up @@ -37,18 +39,35 @@ const getRpcUrl = async (options: {
}
};

const getWsUrl = async (options: { wsUrl?: string; projectName?: string }) => {
if (options.wsUrl) return options.wsUrl;

// otherwise, try to resolve host:port of the docker project
try {
const projectName = getProjectName(options);
const host = await getProjectPort({ projectName });
return `ws://${host}/anvil`;
} catch {
return await input({
message: "WebSocket URL",
default: `ws://127.0.0.1:${PREFERRED_PORT}/anvil`,
});
}
};

export const connect = async (options: {
rpcUrl?: string;
projectName?: string;
}) => {
// resolve rpc url
const rpcUrl = await getRpcUrl(options);
const wsUrl = await getWsUrl(options);

// create test client
const client = createTestClient({
chain: cartesi,
mode: "anvil",
transport: http(rpcUrl),
transport: fallback([webSocket(wsUrl), http(rpcUrl)]),
pollingInterval: 200, // default is 4000ms (12s / 3)
})
.extend(publicActions)
Expand Down