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Introduction

This package provides the latest typescript Substrate SDK for building products using Sygma Protocol.

Installation

yarn add @buildwithsygma/substrate

or

npm install @buildwithsygma/substrate

Environment Setup.

Make sure to set environment variable SYGMA_ENV to either TESTNET or MAINNET prior to using the SDK.

Support

Bridge configuration and list of supported networks for each environment can be found at: Sygma bridge shared configuration github

Usage

Fungible Token Transfers

import { createSubstrateFungibleAssetTransfer } from '@buildwithsygma/substrate';
...
const transferParams = {
  sourceDomain: 5231,
  destinationDomain: 11155111,
  sourceNetworkProvider: apiPromise,
  resource: '0x0000000000000000000000000000000000000000000000000000000000001100',
  amount: BigInt('5000000'),
  destinationAddress: recipientAddress,
};
...
const transfer = await createSubstrateFungibleAssetTransfer(transferParams);
const transferTx = await transfer.getTransferTransaction();

Examples

The SDK monorepo contains the following examples demonstrating the usage of Substrate Package:

  1. Fungible Token Transfer from Substrate
  2. Fungible Token Transfer from Evm