Integrating Dedicated 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.NATIVE,
);

console.log("Stakeable balance: %s", stakeableBalance)

// Build a stake operation for 100 ETH.
// Set withdrawal_credential_type to:
// - "0x01" for pre-Pectra
// - "0x02" for post-Pectra (required for balances > 32 ETH)
let stakingOperation = await address.buildStakeOperation(
    100,
    Coinbase.assets.Eth,
    StakeOptionsMode.NATIVE,
    {"withdrawal_credential_type": "0x02"},
);

console.log("Staking Operation ID: %s", stakingOperation.getID())

// Wait for staking infrastructure to be provisioned and transaction created.
await stakingOperation.wait();

import {
    Coinbase,
    ExternalAddress,
    StakeOptionsMode,
    ExecutionLayerWithdrawalOptionsBuilder,
} from "@coinbase/coinbase-sdk";
import Decimal from "decimal.js";

// Create a new external address on the ethereum-hoodi testnet network
// corresponding to the withdrawal address of the validators you want
// to partially withdraw from.
let withdrawAddr = new ExternalAddress(
    Coinbase.networks.EthereumHoodi,
    "YOUR_WITHDRAWAL_ADDRESS",
);

// Configure partial withdrawals for two post-Pectra validators.
let buildr = new ExecutionLayerWithdrawalOptionsBuilder(withdrawAddr.getNetworkId());
buildr.addValidatorWithdrawal("YOUR_VALIDATOR_PUBKEY_1", new Decimal("1"));
buildr.addValidatorWithdrawal("YOUR_VALIDATOR_PUBKEY_2", new Decimal("2"));

let options = await buildr.build();

let stakingOperation = await withdrawAddr.buildUnstakeOperation(
    0, // Amount here doesn't matter.
    Coinbase.assets.Eth,
    StakeOptionsMode.NATIVE,
    options,
);

console.log("Staking Operation ID: %s", stakingOperation.getID())

// Wait for the partial withdrawal transactions to be built.
await stakingOperation.wait();

import {
    Coinbase,
    ExternalAddress,
    StakeOptionsMode,
    ExecutionLayerWithdrawalOptionsBuilder,
} from "@coinbase/coinbase-sdk";
import Decimal from "decimal.js";

// Create a new external address on the ethereum-hoodi testnet network
// corresponding to the withdrawal address of the validators you want
// to fully exit.
let withdrawAddr = new ExternalAddress(
    Coinbase.networks.EthereumHoodi,
    "YOUR_WITHDRAWAL_ADDRESS",
);

// Build a full exit staking operation to exit 2 different post Pectra validators.

let buildr = new ExecutionLayerWithdrawalOptionsBuilder(withdrawAddr.getNetworkId());
buildr.addValidatorWithdrawal("YOUR_VALIDATOR_PUBKEY_1", new Decimal("0"));
buildr.addValidatorWithdrawal("YOUR_VALIDATOR_PUBKEY_2", new Decimal("0"));

let options = await buildr.build();

let stakingOperation = await withdrawAddr.buildUnstakeOperation(
    0, // Amount here doesn't matter.
    Coinbase.assets.Eth,
    StakeOptionsMode.NATIVE,
    options,
);

console.log("Staking Operation ID: %s", stakingOperation.getID())

// Wait for the full exit transactions to be built.
await stakingOperation.wait();

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",
);

// To know how much ETH balance is available for unstaking, use `unstakeableBalance`.
// Unstakeable balance depends on your CDP account validators, not your address.
// It's surfaced on the address object for simplicity.
// Set `withdrawal_credential_type` to 0x01 or 0x02 to query specific validators.
// By default, it returns the unstakeable balance for 0x01 validators.
let unstakeableBalance = await address.unstakeableBalance(
    Coinbase.assets.Eth,
    StakeOptionsMode.NATIVE,
    );

console.log("Unstakeable balance: %s", unstakeableBalance)

// Build unstake operation for amount = 32 ETH.
let stakingOperation = await address.buildUnstakeOperation(
    32,
    Coinbase.assets.Eth,
    StakeOptionsMode.NATIVE,
    {"immediate": "true"},
);

console.log("Staking Operation ID: %s", stakingOperation.getID())

// Immediate native eth unstaking is completely handled by the API
// with no user action needed.
// Example of polling the unstake operation status until it reaches
// a terminal state using the SDK.
await stakingOperation.wait();

import {
    Coinbase,
    ExternalAddress,
    StakeOptionsMode,
    ConsensusLayerExitOptionBuilder,
} 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",
);

let options: { [key: string]: string } = { immediate: "true" };

const builder = new ConsensusLayerExitOptionBuilder();
builder.addValidator("YOUR_VALIDATOR_PUBKEY_1");
builder.addValidator("YOUR_VALIDATOR_PUBKEY_2");
options = await builder.build(options);

let stakingOperation = await address.buildUnstakeOperation(
    0, // Amount here doesn't matter.
    "eth",
    StakeOptionsMode.NATIVE,
    options,
);

console.log("Staking Operation ID: %s", stakingOperation.getID())

// Immediate native eth unstaking is completely handled by the API
// with no user action needed.
// Example of polling the unstake operation status until it reaches
// a terminal state using the SDK.
await stakingOperation.wait();

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",
);

// To know how much ETH balance is available for unstaking, use `unstakeableBalance`.
// Unstakeable balance depends on your CDP account validators, not your address.
// It's surfaced on the address object for simplicity.
// Set `withdrawal_credential_type` to 0x01 or 0x02 to query specific validators.
// By default, it returns the unstakeable balance for 0x01 validators.
let unstakeableBalance = await address.unstakeableBalance(
    Coinbase.assets.Eth,
    StakeOptionsMode.NATIVE,
);

console.log("Unstakeable balance: %s", unstakeableBalance)

// Build unstake operation for amount = 32 ETH.
let stakingOperation = await address.buildUnstakeOperation(
    32,
    Coinbase.assets.Eth,
    StakeOptionsMode.NATIVE,
);

console.log("Staking Operation ID: %s", stakingOperation.getID())

// Native eth unstaking can take some time as we build the voluntary exit message
// and have it signed by the validator.
// Example of polling the unstake operation status until it reaches
// a terminal state using the SDK.
await stakingOperation.wait();

import {
    Coinbase,
    ExternalAddress,
    StakeOptionsMode,
    ConsensusLayerExitOptionBuilder,
} 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",
);

const builder = new ConsensusLayerExitOptionBuilder();
builder.addValidator("YOUR_VALIDATOR_PUBKEY_1");
builder.addValidator("YOUR_VALIDATOR_PUBKEY_2");
let options = await builder.build();

let stakingOperation = await address.buildUnstakeOperation(
    0, // Amount here doesn't matter.
    "eth",
    StakeOptionsMode.NATIVE,
    options,
);

console.log("Staking Operation ID: %s", stakingOperation.getID())

// Native eth unstaking can take some time as we build the voluntary exit message
// and have it signed by the validator.
// Example of polling the unstake operation status until it reaches
// a terminal state using the SDK.
await stakingOperation.wait();

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

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

// Build a validator consolidate operation.
// To perform self consolidation, set the source and target validator public
// keys to the same value. This converts existing 0x01 validators to 0x02.
// To perform consolidation, set the source and target validator public keys
// to different values. This consolidates existing 0x01 validators under an
// existing 0x02 validator.
let stakingOperation = await withdrawAddr.buildValidatorConsolidationOperation({
    "source_validator_pubkey": "YOUR_SOURCE_VALIDATOR_PUBKEY",
    "target_validator_pubkey": "YOUR_TARGET_VALIDATOR_PUBKEY"
});

console.log("Staking Operation ID: %s", stakingOperation.getID())

await stakingOperation.wait();

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",
);

// Build a top-up stake operation.
// This is similar to a normal stake operation, but the amount is topped-up on an
// existing validator provided by the `top_up_validator_pubkey` option instead of
// creating a new validator.
let stakingOperation = await address.buildStakeOperation(
    2, // Amount to top-up.
    Coinbase.assets.Eth,
    StakeOptionsMode.NATIVE,
    {"top_up_validator_pubkey": "YOUR_VALIDATOR_PUBKEY"},
);

console.log("Staking Operation ID: %s", stakingOperation.getID())

await stakingOperation.wait();

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

let now = new Date();
let tenDaysAgo = new Date();
tenDaysAgo.setDate(now.getDate() - 10);

let rewards = await StakingReward.list(
    Coinbase.networks.EthereumMainnet, Coinbase.assets.Eth,
    ["VALIDATOR_ADDRESS1", "VALIDATOR_ADDRESS2"],
    tenDaysAgo.toISOString(), now.toISOString(),
);

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

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

let now = new Date();
let tenDaysAgo = new Date();
tenDaysAgo.setDate(now.getDate() - 10);

let stakingBalances = await StakingBalance.list(
    Coinbase.networks.EthereumMainnet, Coinbase.assets.Eth,
    "VALIDATOR_ADDRESS",
    tenDaysAgo.toISOString(), now.toISOString(),
);

// Loop through the historical staking balances and print each balance
stakingBalances.forEach(stakingBalance => console.log(stakingBalance.toString()));