EVM Redeem

Burns BTC.b on an EVM chain and releases native BTC to your Bitcoin wallet.

Basic Usage


import { createLombardSDK, Chain, AssetId } from '@lombard.finance/sdk';
import { config } from './lib/lombard';
 
const sdk = createLombardSDK(config);
 
const redeem = sdk.chain.evm.redeem({
  sourceChain: Chain.ETHEREUM,
  destChain: Chain.BITCOIN_MAINNET,
  assetIn: AssetId.BTCb,
  assetOut: AssetId.BTC,
});
 
await redeem.prepare({
  amount: '0.1',
  recipient: 'bc1q...',  // Bitcoin address
});
 
const result = await redeem.execute();
// result.txHash: EVM transaction hash

Parameters

Redeem Options

Parameter	Type	Required	Description
`assetIn`	`AssetId`	Yes	`AssetId.BTCb`
`assetOut`	`AssetId`	Yes	`AssetId.BTC`
`sourceChain`	`Chain`	Yes	EVM chain holding BTC.b
`destChain`	`Chain`	Yes	Bitcoin network (mainnet/signet)

Prepare Parameters

Parameter	Type	Required	Description
`amount`	`string`	Yes	Amount in BTC.b
`recipient`	`string`	Yes	Bitcoin address

Status Flow


IDLE → READY → COMPLETED