ChainId

Enum representing the chain ID, an unsigned 32-bit integer used so transactions can't be replayed on other chains. Similar in purpose to TransactionVersion.

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Usage

import { ChainId } from '@stacks/network';

if (network.chainId === ChainId.Mainnet) {
  console.log('This is a mainnet network');
}

Reference Link

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Definition

enum ChainId {
  Mainnet = 0x00000001,
  Testnet = 0x80000000,
}

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Values

Value	Number	Description
Mainnet	0x00000001	Stacks mainnet chain ID
Testnet	0x80000000	Stacks testnet chain ID (also used by devnet and mocknet)