Installation

npm i @okxweb3/marketplace-library

Usage

bitcoin

Includes a tool for generating PSBTs (Partially Signed Bitcoin Transactions) specifically designed for BTC group trading. This feature streamlines the process of assembling, signing, and managing complex transactions, ensuring a secure and efficient trading experience.

getPsbtPayment

Description:
Determines the payment details based on the provided Bitcoin address and public key. It identifies the address type and constructs the appropriate script and transaction type.

Parameters:

• address (string): The Bitcoin address for which payment details are required.
• publicKey (string): The public key associated with the address.

Returns:
A Promise that resolves to a PsbtPayment object.

Usage Demo:

import { getPsbtPayment } from '@okxweb3/marketplace-onchain'

const paymentDetails = await getPsbtPayment({
  address: 'bc1qexampleaddress',
  publicKey: 'publickeyhexstring'
});
console.log(paymentDetails);

getPsbtInput

Description:
Retrieves input details based on UTXO data and payment information. It constructs the appropriate input configuration for inclusion in a PSBT.

Parameters:

• utxoData (UtxoData): Data about the unspent transaction output (UTXO).
• payment (PsbtPayment): Payment details obtained from getPsbtPayment.
• sighashType (number, optional): The signature hash type. Defaults to 1.

Returns:
A Promise that resolves to a PsbtInput object.

Usage Demo:

import { getPsbtInput } from '@okxweb3/marketplace-onchain'

const inputDetails = await getPsbtInput({
  utxoData: {
    txid: 'transactionid',
    vout: 0,
    rawTransaction: 'rawtransactionhex',
    value: 100000
  },
  payment: paymentDetails
});
console.log(inputDetails);

getPsbtSize

Description:
Calculates the estimated size of a transaction based on the type of Bitcoin address. This helps in estimating the transaction fees.

Parameters:

• walletAddress (string): The Bitcoin address for which to estimate transaction size.

Returns:
A number representing the estimated size of the transaction in bytes.

Usage Demo:

import { getPsbtSize } from '@okxweb3/marketplace-onchain'

const transactionSize = getPsbtSize('bc1qexampleaddress');
console.log(`Estimated transaction size: ${transactionSize} bytes`);

getPsbtOutput

Description:
Determines the output details based on the specified value and payment information. It constructs the appropriate output configuration for inclusion in a PSBT.

Parameters:

• value (number): The amount to be transferred in the transaction.
• payment (PsbtPayment): Payment details obtained from getPsbtPayment.

Returns:
A Promise that resolves to a PsbtOutput object.

Usage Demo:

import { getPsbtOutput } from '@okxweb3/marketplace-onchain'

const outputDetails = await getPsbtOutput({
  value: 50000,
  payment: paymentDetails
});
console.log(outputDetails);