Withdraw

Call

Send request withdrawal with Permit

Signing Permit is only supported for EOA

Arguments:

• requests: (Type: bigint[] ) - array of requests ids or

• amount: (Type: String | BigInt ) - amount of token to withdraw, will be split into minimum amount of requests

• token: (Type: 'stETH' | 'wstETH') - token name

• permit: (Type: SignedPermit optional) - presigned permit, will be requested if not present

• callback: (Type: TransactionCallback optional) - callback function that will be on each stage of the transaction

• account (Type: Address | Account optional): The account address.

import {
  LidoSDK,
  TransactionCallback,
  TransactionCallbackStage,
  SDKError,
} from '@lidofinance/lido-ethereum-sdk';

const lidoSDK = new LidoSDK({
  rpcUrls: ['<RPC_URL>'],
  chainId: 17000,
  web3Provider: LidoSDKCore.createWeb3Provider(17000, window.ethereum),
});

const callback: TransactionCallback = ({ stage, payload }) => {
  switch (stage) {
    case TransactionCallbackStage.PERMIT:
      console.log('wait for permit');
      break;
    case TransactionCallbackStage.GAS_LIMIT:
      console.log('wait for gas limit');
      break;
    case TransactionCallbackStage.SIGN:
      console.log('wait for sign');
      break;
    case TransactionCallbackStage.RECEIPT:
      console.log('wait for receipt');
      console.log(payload, 'transaction hash');
      break;
    case TransactionCallbackStage.CONFIRMATION:
      console.log('wait for confirmation');
      console.log(payload, 'transaction receipt');
      break;
    case TransactionCallbackStage.DONE:
      console.log('done');
      console.log(payload, 'transaction confirmations');
      break;
    case TransactionCallbackStage.MULTISIG_DONE:
      console.log('multisig_done');
      console.log(payload, 'transaction confirmations');
      break;
    case TransactionCallbackStage.ERROR:
      console.log('error');
      console.log(payload, 'error object with code and message');
      break;
    default:
  }
};

try {
  const requestTx = await lidoSDK.withdrawals.request.requestWithPermit({
    requests,
    token, // 'stETH' | 'wstETH'
    callback,
    account,
  });

  console.log(
    'transaction hash, transaction receipt, confirmations',
    requestResult,
    'array of requests(nfts) created with ids, amounts,creator, owner',
    request.results.requests,
  );
} catch (error) {
  console.log((error as SDKError).errorMessage, (error as SDKError).code);
}

Send request withdrawal with preallocated allowance

Supports EOA and Multisig

Arguments:

• requests: (Type: bigint[] ) - array of requests ids or

• amount: (Type: String | BigInt ) - amount of token to withdraw, will be split into minimum amount of requests

• token: (Type: string) - token name ('stETH' | 'wstETH')

• callback: (Type: TransactionCallback optional) - callback function that will be on each stage of the transaction

• account (Type: Address | Account optional): The account address.

import {
  LidoSDK,
  TransactionCallback,
  TransactionCallbackStage,
  SDKError,
} from '@lidofinance/lido-ethereum-sdk';

const lidoSDK = new LidoSDK({
  rpcUrls: ['<RPC_URL>'],
  chainId: 17000,
  web3Provider: LidoSDKCore.createWeb3Provider(17000, window.ethereum),
});

const callback: TransactionCallback = ({ stage, payload }) => {
  switch (stage) {
    case TransactionCallbackStage.GAS_LIMIT:
      console.log('wait for gas limit');
      break;
    case TransactionCallbackStage.SIGN:
      console.log('wait for sign');
      break;
    case TransactionCallbackStage.RECEIPT:
      console.log('wait for receipt');
      console.log(payload, 'transaction hash');
      break;
    case TransactionCallbackStage.CONFIRMATION:
      console.log('wait for confirmation');
      console.log(payload, 'transaction receipt');
      break;
    case TransactionCallbackStage.DONE:
      console.log('done');
      console.log(payload, 'transaction confirmations');
      break;
    case TransactionCallbackStage.ERROR:
      console.log('error');
      console.log(payload, 'error object with code and message');
      break;
    default:
  }
};

try {
  const requestResult = await lidoSDK.withdrawals.request.requestWithdrawal({
    amount,
    token, // 'stETH' | 'wstETH'
    callback,
  });

  console.log(
    requestResult,
    'transaction hash, transaction receipt, confirmations',
  );
} catch (error) {
  console.log((error as SDKError).errorMessage, (error as SDKError).code);
}

Request helpers

• populate and simulate helpers are available
• splitAmountToRequests({amount, token}) splits token amount into minimal possible array of withdrawal requests

Claim requests

Arguments:

• requestsIds: (Type: bigint[]): An array of request ids.
• hints (Type: bigint[] optional): An array of hints per each request, will be calculated if not provided.
• account: (Type: Address optional): The account address.
• callback: (Type: TransactionCallback optional): callback function that will be on each stage of the transaction

import {
  LidoSDK,
  TransactionCallback,
  TransactionCallbackStage,
  SDKError,
} from '@lidofinance/lido-ethereum-sdk';

const lidoSDK = new LidoSDK({
  rpcUrls: ['<RPC_URL>'],
  chainId: 17000,
  web3Provider: LidoSDKCore.createWeb3Provider(17000, window.ethereum),
});

const callback: TransactionCallback = ({ stage, payload }) => {
  switch (stage) {
    case TransactionCallbackStage.GAS_LIMIT:
      console.log('wait for gas limit');
      break;
    case TransactionCallbackStage.SIGN:
      console.log('wait for sign');
      break;
    case TransactionCallbackStage.RECEIPT:
      console.log('wait for receipt');
      console.log(payload, 'transaction hash');
      break;
    case TransactionCallbackStage.CONFIRMATION:
      console.log('wait for confirmation');
      console.log(payload, 'transaction receipt');
      break;
    case TransactionCallbackStage.DONE:
      console.log('done');
      console.log(payload, 'transaction confirmations');
      break;
    case TransactionCallbackStage.ERROR:
      console.log('error');
      console.log(payload, 'error object with code and message');
      break;
    default:
  }
};

try {
  const claimTx = await lidoSDK.withdrawals.claim.claimRequests({
    requestsIds,
    callback,
  });

  console.log(
    claimTx,
    'transaction hash, transaction receipt, confirmations',
    claim.result.requests,
    'array of claimed requests, with amounts of ETH claimed',
  );
} catch (error) {
  console.log((error as SDKError).errorMessage, (error as SDKError).code);
}

Claim helpers

populate and simulate helpers are available

Withdraw utilities

Set allowance of WithdrawalQueue contract

Supports EOA and Multisig

import {
  LidoSDK,
  ApproveCallbackStages,
  ApproveStageCallback,
  SDKError,
} from '@lidofinance/lido-ethereum-sdk';

const lidoSDK = new LidoSDK({
  rpcUrls: ['<RPC_URL>'],
  chainId: 17000,
  web3Provider: LidoSDKCore.createWeb3Provider(17000, window.ethereum),
});

const callback: ApproveStageCallback = ({ stage, payload }) => {
  switch (stage) {
    case ApproveCallbackStages.GAS_LIMIT:
      console.log('wait for gas limit');
      break;
    case ApproveCallbackStages.SIGN:
      console.log('wait for sign');
      break;
    case ApproveCallbackStages.RECEIPT:
      console.log('wait for receipt');
      console.log(payload, 'transaction hash');
      break;
    case ApproveCallbackStages.CONFIRMATION:
      console.log('wait for confirmation');
      console.log(payload, 'transaction receipt');
      break;
    case ApproveCallbackStages.DONE:
      console.log('done');
      console.log(payload, 'transaction confirmations');
      break;
    case ApproveCallbackStages.ERROR:
      console.log('error');
      console.log(payload, 'error object with code and message');
      break;
    default:
  }
};

try {
  const approveResult = await lidoSDK.withdrawals.approval.approve({
    amount,
    token, // 'stETH' | 'wstETH'
    callback,
    account,
  });

  console.log(
    approveResult,
    'transaction hash, transaction receipt, confirmations',
  );
} catch (error) {
  console.log((error as SDKError).errorMessage, (error as SDKError).code);
}

Allowance other methods

Views

• populate and simulate helpers are available
• getAllowance returns current allowance for token
• checkAllowance return current allowance and compares with amount to check if you need to approve

Views

• getWithdrawalRequestsIds
• getLastCheckpointIndex
• getWithdrawalStatus
• findCheckpointHints
• getClaimableEther
• getUnfinalizedStETH

Constants

• minStethWithdrawalAmount
• maxStethWithdrawalAmount
• minWStethWithdrawalAmount
• maxWStethWithdrawalAmount
• isPaused
• isBunkerModeActive
• isTurboModeActive

Requests info

getWithdrawalRequestsInfo

Input Parameters:

• props: { account: Address | Account }
  • account (Type: Address | Account): The account address.

Output Parameters:

• Type: Object

• Structure:

  • claimableInfo (Type: Object): Information about withdrawal requests that can be claimed.
    • claimableRequests (Type: Array[RequestStatusWithId]): A list of requests with their statuses and identifiers.
    • claimableAmountStETH (Type: bigint): The amount of ETH available for claiming.
  • pendingInfo (Type: Object): Information about pending withdrawal requests.
    • pendingRequests (Type: Array[RequestStatusWithId]): A list of requests with their statuses and identifiers.
    • pendingAmountStETH (Type: bigint): The amount of ETH pending for withdrawal.
  • claimableETH (Type: bigint): The amount of ETH available for claiming.

getWithdrawalRequestsStatus

Input Parameters:

• props: { account: Address }
  • account (Type: Address | Account): The account address.

Output Parameters:

• Type: Array of RequestStatusWithId objects

• Structure of each object:

  • id (Type: bigint): The request identifier.
  • isFinalized (Type: boolean): A flag indicating whether the request has been finalized.
  • isClaimed (Type: boolean): A flag indicating whether the request has already been claimed.
  • amountOfStETH (Type: bigint): The amount of stETH to be withdrawn.
  • amountOfShares (Type: bigint): The amount of shares to be burned.
  • owner (Type: Address): The account address that initiated the request.
  • timestamp (Type: bigint): The timestamp of the request.
  • stringId (Type: string): The request identifier in string format.

getClaimableRequestsInfo

Input Parameters:

• props: { account: Address }
  • account (Type: Address | Account): The account address.

Output Parameters:

• Type: Object

• Structure:

  • claimableRequests (Type: Array[RequestStatusWithId]): A list of requests that can be claimed.
  • claimableAmountStETH (Type: bigint): The amount of ETH available for claiming.

getClaimableRequestsETHByIds

Input Parameters:

• props: { claimableRequestsIds: (bigint | RequestStatusWithId)[] }
  • claimableRequestsIds (Type: Array): An array of request identifiers for which information is needed.

Output Parameters:

• Type: Object

• Structure:

  • ethByRequests (Type: Array of bigint): A list of ETH amounts for each request.
  • ethSum (Type: bigint): The sum of all ETH amounts in the list.
  • hints (Type: Array of bigint): A list of hints for each request.

getClaimableRequestsETHByAccount

Input Parameters:

• props: { account: Address }
  • account (Type: Address | Account): The account address.

Output Parameters:

• Type: Object

• Structure:

  • ethByRequests (Type: Array of bigint): A list of ETH amounts for each request.
  • ethSum (Type: bigint): The sum of all ETH amounts in the list.
  • hints (Type: Array of bigint): A list of hints for each request.
  • requests (Type: Array of RequestStatusWithId): A list of requests with their statuses and identifiers.
  • sortedIds (Type: Array of bigint): A list of request identifiers sorted by id.

getPendingRequestsInfo

Input Parameters:

• props: { account: Address | Account }
  • account (Type: Address | Account): The account address.

Output Parameters:

• Type: Object

• Structure:

  • pendingRequests (Type: Array[RequestStatusWithId]): A list of requests pending finalization.
  • pendingAmountStETH (Type: bigint): The amount of ETH pending claiming.

Waiting time

Methods

Get time by amount

getWithdrawalWaitingTimeByAmount

Input Parameters:

• props: { amount?: bigint }
  • amount? (Type: bigint optional): The amount of withdrawable eth. In case when it is not passed, it is calculated as default information about queue.

Output Parameters:

• Type: Object
• Structure:
  • requestInfo (Type: Object): Information about withdrawal request
    • finalizationIn (Type: number): The time needed for withdrawal in milliseconds.
    • finalizationAt (Type: string): The time when request finalized for withdrawal.
    • type (Type: WaitingTimeCalculationType): Type of final source of eth for withdrawal.
  • status (Type: WaitingTimeStatus): Status of withdrawal request.
  • nextCalculationAt (Type: string): Time when next calculation can be changed.

Get time by request ids

getWithdrawalWaitingTimeByRequestIds

Input Parameters:

• props: { ids: bigint[] }
  • ids (ids: Array[bigint]): The ids of withdrawal requests.

Output Parameters:

• Type: Array of WithdrawalWaitingTimeRequestInfo objects
• Structure of each object:
  • requestInfo (Type: RequestByIdInfoDto): Information about withdrawal request.
    • finalizationIn (Type: number): The time needed for withdrawal in milliseconds.
    • finalizationAt (Type: string): The time when request finalized for withdrawal.
    • requestId (Type: string): The request id.
    • requestedAt (Type: string): The time when withdrawal requested.
    • type (Type: WaitingTimeCalculationType): Type of final source of eth for withdrawal.
  • status (Type: WaitingTimeStatus): Status of withdrawal request.
  • nextCalculationAt (Type: string): Time when next calculation can be changed.