Integrating Shared ETH Staking

import { Coinbase, ExternalAddress, StakeOptionsMode } from "@coinbase/coinbase-sdk";

// Create a new external address on the ethereum-hoodi testnet network.
let address = new ExternalAddress(Coinbase.networks.EthereumHoodi, "YOUR_WALLET_ADDRESS");

// Find out how much ETH is available to stake.
let stakeableBalance = await address.stakeableBalance(Coinbase.assets.Eth, StakeOptionsMode.PARTIAL);

// Build a stake operation for an amount <= stakeableBalance, in this case 0.005 ETH.
let stakeOperation = await address.buildStakeOperation(0.005, Coinbase.assets.Eth, StakeOptionsMode.PARTIAL);

import { Coinbase, ExternalAddress, StakeOptionsMode } from "@coinbase/coinbase-sdk";

// Create a new external address on the ethereum-hoodi testnet network.
let address = new ExternalAddress(Coinbase.networks.EthereumHoodi, "YOUR_WALLET_ADDRESS");

// Since the time you first staked, it is possible that the amount of staked ETH has increased.
// To determine the amount of ETH available to unstake, use the `unstakeableBalance` method as shown below.
let unstakeableBalance = await address.unstakeableBalance(Coinbase.assets.Eth, StakeOptionsMode.PARTIAL);

// Build an unstake operation for an amount <= unstakeableBalance, in this case 0.005 ETH.
let unstakeOperation = await address.buildUnstakeOperation(0.005, Coinbase.assets.Eth, StakeOptionsMode.PARTIAL);

import { Coinbase, ExternalAddress, StakeOptionsMode } from "@coinbase/coinbase-sdk";

// Create a new external address on the ethereum-hoodi testnet network.
let address = new ExternalAddress(Coinbase.networks.EthereumHoodi, "YOUR_WALLET_ADDRESS");

// Check if there is any staked balance available to claim.
let claimableBalance = await address.claimableBalance(Coinbase.assets.Eth, StakeOptionsMode.PARTIAL);

// Build a claim_stake operation for an amount = claimableBalance.
// The claim stake operation aims to claim all the exitable ETH available at that point in time,
// which may have been requested from multiple previous unstake attempts.
let claimStakeOperation = await address.buildClaimStakeOperation(claimableBalance, Coinbase.assets.Eth, StakeOptionsMode.PARTIAL);

import { Coinbase, ExternalAddress } from "@coinbase/coinbase-sdk";

// Create a new external address on the ethereum-mainnet network for which you want to view staking rewards.
let address = new ExternalAddress(Coinbase.networks.EthereumMainnet, "YOUR_WALLET_ADDRESS");

// Get the rewards earned from staking in the last 1 week (default window).
// Note that it can take upto a day for new rewards to show up.
let rewards = await address.stakingRewards(Coinbase.assets.Eth);

// Loop through the rewards and print each staking reward.
rewards.forEach(reward => console.log(reward.toString()));

// Load your wallet's private key from which you initiated the above stake operation.
const wallet = new ethers.Wallet("YOUR_WALLET_PRIVATE_KEY");

// Sign the transactions within staking operation resource with your wallet.
await stakingOperation.sign(wallet);

// For Hoodi, publicly available RPC URL's can be found here https://chainlist.org/chain/560048
const provider = new ethers.JsonRpcProvider("HOODI_RPC_URL");

// Broadcast each of the signed transactions to the network.
stakingOperation.getTransactions().forEach(async tx => {
    let resp = await provider.broadcastTransaction(tx.getSignedPayload()!);
    console.log(resp);
});