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Across Documentation
V3 Developer Docs
V3 Developer Docs
  • 👋Introduction
    • Welcome to Across
    • What is Across?
    • Technical FAQ
    • Migration Guides
      • Migration from V2 to V3
      • Migration to CCTP
        • Migration Guide for Relayers
        • Migration Guide for API Users
      • Migration Guide for Non-EVM and Prefills
        • Breaking Changes for Indexers
        • Breaking Changes for API Users
        • Breaking Changes for Relayers
        • Testnet Environment for Migration
      • Solana Migration Guide
      • BNB Smart Chain Migration Guide
  • 🚀DEVELOPER QUICKSTART
    • Instant Bridging in your Application
      • Bridge Integration Guide
      • Multichain Bridge UI Guide
      • Single Chain Bridge UI Guide
    • Embedded Crosschain Actions
      • Crosschain Actions Integration Guide
        • Using the Generic Multicaller Handler Contract
        • Using a Custom Handler Contract
      • Crosschain Actions UI Guide
    • Settle Crosschain Intents
    • ERC-7683 in Production
  • 🧠Concepts
    • What are Crosschain Intents?
    • Intents Architecture in Across
    • Intent Lifecycle in Across
    • Canonical Asset Maximalism
  • 🛠️Reference
    • API Reference
    • App SDK Reference
    • Contracts
      • Aleph Zero
      • Arbitrum
      • Base
      • Blast
      • BNB Smart Chain
      • Ethereum
      • Linea
      • Lens Chain
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      • Mode
      • Optimism
      • Polygon
      • Redstone
      • Scroll
      • Soneium
      • Unichain
      • World Chain
      • zkSync
      • Zora
    • Selected Contract Functions
    • Supported Chains
    • Fees in the System
    • Actors in the System
    • Security Model and Verification
      • Disputing Root Bundles
      • Validating Root Bundles
    • Tracking Events
  • 🔁Relayers
    • Running a Relayer
    • Relayer Nomination
  • 📚Resources
    • Release Notes
    • Developer Support
    • Bug Bounty
    • Audits
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Routes

  • Bridge to Unichain
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On this page
  • SpokePool1
  • SpokePool2
  • Transfer 1 from SpokePool1 to SpokePool2
  • Transfer 2 from SpokePool2 to SpokePool1
  1. Introduction
  2. Migration Guides
  3. Migration Guide for Non-EVM and Prefills

Testnet Environment for Migration

To aid in testing the Across migration, we have deployed two SpokePools and created sample deposits and fills to test against.

Both SpokePools are deployed on Sepolia. One has a distinct chainId to make the deposits and fills realistic. Similarly, there are two distinct token addresses (vanilla WETH instances) that are native to each SpokePool to keep things as realistic as possible. If you would like to create your own deposits and fills for testing, you are free to do so. You can mint both WETH tokens by calling deposit. Once you have the tokens, you should be able to approve the contracts and make deposits and fills freely.

Note: no bundles will be run on this test deployment, meaning all WETH you deposit will be locked and fills will not be repaid. This is meant as a basic environment to allow you to test you event parsing and processing logic.

SpokePool1

  • Address: 0x1755DD08108095C48509F5C91e071e0cb62eb27a

  • Associated ERC20 token (vanilla WETH): 0x43f133FE6fDFA17c417695c476447dc2a449Ba5B

  • ChainId: 11155111

SpokePool2

  • Address: 0xeF89171DBD5DEe4D74842C62689EC0804aF5807B

  • Associated ERC20 token (vanilla WETH): 0x5b3acAADE6c53eFCD113dCa116F71312f2df666d

  • ChainId: 11155112

Transfer 1 from SpokePool1 to SpokePool2

  • Deposit transaction: 0xf260507cbff7f46fa8fe5fa35c20d839393123a9a396b371c37ba48ff6364806

  • Fill transaction: 0xb1294420167b4468ef1ec8aef8994678c92b0be01afb3dc5e37a5ab7d8978615

Transfer 2 from SpokePool2 to SpokePool1

  • Deposit transaction: 0x14c5b18b838387e4ea613ce95c0c43b4823cd62997cefad301264dc4b83ce0ba

  • Fill transaction: 0x27474ba120315af04ce69c1296b9da3487972f4b5e40138add4e581c689fde6a

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Last updated 4 months ago

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