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All notable changes to the Amplify SDK are documented here. This project adheres to Semantic Versioning.

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Latest Release

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0.3.0-beta.0
2025-01-30

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Breaking Changes

This release contains breaking changes. Review the migration steps below before upgrading.
ChangeBeforeAfter
Deposit parameter namesdepositToken, recipientAddressdepositAsset, to
Node.js requirement20+22+
Yield type constantsPRIME, TBILL, LENDINGCORE, TREASURY, FRONTIER
// Before (v0.2.x)
await prepareDepositTxData({
  depositToken: "0x...",
  recipientAddress: "0x...",
  // ...
});

// After (v0.3.0)
await prepareDepositTxData({
  depositAsset: "0x...",
  to: "0x...",
  // ...
});

// Before (v0.2.x)
import { YieldType } from "@paxoslabs/amplify-sdk";
YieldType.PRIME;
YieldType.TBILL;
YieldType.LENDING;

// After (v0.3.0)
import { YieldType } from "@paxoslabs/amplify-sdk";
YieldType.CORE;
YieldType.TREASURY;
YieldType.FRONTIER;

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Features

  • Improved TypeScript inference for deposit functions
  • Added eth_signTypedData_v4 helper for better wallet compatibility

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Bug Fixes

  • Fixed instanceof checks for APIError and WithdrawError in transpiled code

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Refactoring

  • Standardized parameter naming across deposit APIs to match contract terminology
  • Removed deprecated display module and bridge functionality
  • Added explicit exports for tree-shaking optimization

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Previous Releases

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Bug Fixes

  • Fixed spender address and decimals for permit flow
  • Improved cache-based lookup for token address resolution
  • Aligned EIP712Domain with viem’s TypedDataDomain

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Bug Fixes

  • Use non-interactive test command in release hooks
  • Resolved preact JSON VNode Injection vulnerability
  • Use CommunityCodeDepositor as approval spender
  • Aligned slippage defaults to DEFAULT_SLIPPAGE_BPS (50 bps)

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Documentation

  • Completed Quick Start deposit example in README

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Refactoring

  • Converted LogLevel enum to as const pattern for better tree-shaking

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Features

  • Unified Deposit API: Added prepareDeposit and prepareDepositAuthorization wrapper functions
  • Observability: Added logging and telemetry infrastructure
  • ERC-20 Enhancements: Added getTokenPermitInfoWithAllowance with unified multicall

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Bug Fixes

  • Updated Sei chain ID from 713715 to 1329
  • Fixed missing multicall mock in deposit-with-permit tests
  • Prevented duplicate buffer-full warning messages in telemetry

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Refactoring

  • Converted DepositAuthMethod enum to as const pattern
  • Centralized API_BASE_URL constant
  • Use unified multicall for isDepositSpendApproved

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Bug Fixes

  • Corrected DepositTxData args tuple
  • Fixed withdraw documentation
  • Resolved whatBump is not a function release error

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Refactoring

  • Use CommunityCodeDepositor for all deposits and permit spender

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Features

  • Export CommunityCodeDepositTxData type
  • Fixed cache check for vault data

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Bug Fixes

  • Updated CommunityCodeDepositor support for partner code deposits
  • Improved type safety and chain cache initialization

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Refactoring

  • Updated branding from Earn SDK to Amplify SDK

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Features

  • Initial SDK Release
    • Comprehensive AmplifyVault support
    • Multi-chain support for yield vaults
    • Complete deposit functionality with approval management
    • Slippage protection for all operations
  • Withdraw Flow
    • prepareWithdrawTransactionData() for transaction preparation
    • Automatic vault data fetching via fetchSupportedAssets()
    • Three-field vault resolution (yieldType + wantToken + chainId)
    • Configurable slippage protection (default 1%)
  • Developer Experience
    • Full TypeScript support with type safety
    • Comprehensive error handling with specific error codes
    • Exchange rate calculations

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Build System

  • Automated release workflow with conventional commits
  • Semantic versioning with alpha/beta/rc support
  • CI/CD pipeline with quality gates
  • Security auditing and dependency scanning
  • Automated NPM publishing with provenance

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SDK Rename Migration

The SDK was renamed from Earn SDK to Amplify SDK in version 0.1.0. Follow the migration steps below if upgrading from @paxoslabs/earn-sdk.
1

Update package

npm uninstall @paxoslabs/earn-sdk
npm install @paxoslabs/amplify-sdk
2

Update imports

// Before
import { initEarnSDK, type EarnVault } from "@paxoslabs/earn-sdk";

// After
import { initAmplifySDK, type AmplifyVault } from "@paxoslabs/amplify-sdk";
3

Update function calls

// Before
await initEarnSDK("pxl_your_api_key");

// After
await initAmplifySDK("pxl_your_api_key");
4

Update type references

// Before
const vault: EarnVault = /* ... */;

// After
const vault: AmplifyVault = /* ... */;
API endpoints continue to use /v1/earn-sdk/* for backwards compatibility. No backend changes required.