ArweaveKit Docs
  • ArweaveKit
    • Introduction
  • 🔐Wallets
    • Introduction to Wallets
    • Create Wallet
    • Get Wallet Address
    • Get Wallet Balance
    • Wallet Plugins
  • 💳ARWEAVE WALLET KIT
    • Introduction to Arweave Wallet Kit
    • Setup
    • Connect Button
    • Hooks
    • Customization
  • 🏦Transactions
    • Introduction to Transactions
    • Create Transaction
    • Sign Transaction
    • Post Transaction
    • Get Transaction Status
    • Get Transaction
    • Create and Post Transaction with Othent
    • Transaction Plugins
  • 📄SMART CONTRACTS
    • Introduction to Smart Contracts
    • Create Contract
    • Write Contract
    • Read Contract State
    • View Contract State
    • Write Contract with Othent
    • Read Contract with Othent
    • Smart Contract Plugins
  • ✅AUTH
    • Introduction to Auth
    • Connect
    • Disconnect
    • Get Active Address
    • Get Permissions
    • Get Wallet Names
    • Get All Addresses
    • Get Active Public Key
    • Is Installed
    • Log In with Othent
    • Log Out with Othent
    • Get User Details with Othent
    • Auth Plugins
  • 🔐Encryption
    • Introduction to Encryption
    • Encrypt Data with AES
    • Decrypt Data with AES
    • Encrypt AES Key with RSA
    • Decrypt AES Key with RSA
    • Encryption Plugins
  • 🌐GRAPHQL
    • Introduction to GraphQL
    • Query All Arweave Transactions
    • Query Arweave Data
    • Query Arweave Transactions
    • GraphQL Plugins
  • 🗺️RoadMap
    • Features
  • 📘REFERENCES
    • ArweaveKit in Browser Environments
  • 🛠️SUPPORTING TOOLS
    • Arweave StarterKit
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On this page
  • Basic Syntax
  • Input Parameters
  • Returned Data

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  1. Transactions

Post Transaction

Post a signed transaction on Arweave

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Last updated 3 months ago

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This is the final step of the transaction process on Arweave.

The postTransaction function uploads the previously signed transaction on Arweave.

Basic Syntax

The function is called as follows:

import { postTransaction } from 'arweavekit/transaction'

const postedTransaction = await postTransaction({params}) 

Input Parameters

The following params are available for this function and they must be passed in as an object:

  • key: JWKInterface (optional): The private key for the wallet posting the transaction. The wallet key file can be loaded as follows:

import { readFileSync } from 'fs';

const key = JSON.parse(readFileSync('wallet.json').toString());

Make sure to use the same private key used in the signTransaction function.

  • environment: 'local' | 'mainnet' (optional) : The environment on which the transaction was created and signed.

An arlocal instance must be running on port 1984 for the function to work with the local environment. To create one, simply run npx arlocal in the command line. Learn more about arlocal .

  • transaction: object : The transaction object signed previously.

Example
const postedTransaction = await postTransaction({
    transaction: transaction,
    key: { KEY_OBJECT },
    environment: 'mainnet',
});

This function call posts the signed transaction on Arweave's mainnet.

Returned Data

The function call returns the following data depending on input parameters:

  • A status object is also returned. status: 200 and statusText: 'OK' indicates a successful post request on Arweave.

    • The transaction is posted on the selected environment (local or mainnet).

A signed object of type is returned by Arweave.

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