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setupNetwork.ts
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setupNetwork.ts
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import { createPublicClient, fallback, webSocket, http, createWalletClient, Hex, parseEther, ClientConfig } from "viem";
import { createFaucetService } from "@latticexyz/services/faucet";
import { encodeEntity, syncToRecs } from "@latticexyz/store-sync/recs";
import { getNetworkConfig } from "./getNetworkConfig";
import { world } from "./world";
import IWorldAbi from "contracts/out/IWorld.sol/IWorld.abi.json";
import { createBurnerAccount, getContract, transportObserver, ContractWrite } from "@latticexyz/common";
import { Subject, share } from "rxjs";
import mudConfig from "contracts/mud.config";
export type SetupNetworkResult = Awaited<ReturnType<typeof setupNetwork>>;
export async function setupNetwork() {
const networkConfig = await getNetworkConfig();
const clientOptions = {
chain: networkConfig.chain,
transport: transportObserver(fallback([webSocket(), http()])),
pollingInterval: 1000,
} as const satisfies ClientConfig;
const publicClient = createPublicClient(clientOptions);
const burnerAccount = createBurnerAccount(networkConfig.privateKey as Hex);
const burnerWalletClient = createWalletClient({
...clientOptions,
account: burnerAccount,
});
const write$ = new Subject<ContractWrite>();
const worldContract = getContract({
address: networkConfig.worldAddress as Hex,
abi: IWorldAbi,
publicClient,
walletClient: burnerWalletClient,
onWrite: (write) => write$.next(write),
});
const { components, latestBlock$, storedBlockLogs$, waitForTransaction } = await syncToRecs({
world,
config: mudConfig,
address: networkConfig.worldAddress as Hex,
publicClient,
startBlock: BigInt(networkConfig.initialBlockNumber),
});
// Request drip from faucet
if (networkConfig.faucetServiceUrl) {
const address = burnerAccount.address;
console.info("[Dev Faucet]: Player address -> ", address);
const faucet = createFaucetService(networkConfig.faucetServiceUrl);
const requestDrip = async () => {
const balance = await publicClient.getBalance({ address });
console.info(`[Dev Faucet]: Player balance -> ${balance}`);
const lowBalance = balance < parseEther("1");
if (lowBalance) {
console.info("[Dev Faucet]: Balance is low, dripping funds to player");
// Double drip
await faucet.dripDev({ address });
await faucet.dripDev({ address });
}
};
requestDrip();
// Request a drip every 20 seconds
setInterval(requestDrip, 20000);
}
return {
world,
components,
playerEntity: encodeEntity({ address: "address" }, { address: burnerWalletClient.account.address }),
publicClient,
walletClient: burnerWalletClient,
latestBlock$,
storedBlockLogs$,
waitForTransaction,
worldContract,
write$: write$.asObservable().pipe(share()),
};
}