bitcoinjs-lib/ts_src/networks.ts

// https://en.bitcoin.it/wiki/List_of_address_prefixes
// Dogecoin BIP32 is a proposed standard: https://bitcointalk.org/index.php?topic=409731
export type Network = {
  messagePrefix: string;
  bech32: string;
  bip32: bip32;
  pubKeyHash: number;
  scriptHash: number;
  wif: number;
}

type bip32 = {
  public: number;
  private: number;
}

export const bitcoin: Network = {
  messagePrefix: '\x18Bitcoin Signed Message:\n',
  bech32: 'bc',
  bip32: {
    public: 0x0488b21e,
    private: 0x0488ade4
  },
  pubKeyHash: 0x00,
  scriptHash: 0x05,
  wif: 0x80
}
export const regtest: Network = {
  messagePrefix: '\x18Bitcoin Signed Message:\n',
  bech32: 'bcrt',
  bip32: {
    public: 0x043587cf,
    private: 0x04358394
  },
  pubKeyHash: 0x6f,
  scriptHash: 0xc4,
  wif: 0xef
}
export const testnet: Network = {
  messagePrefix: '\x18Bitcoin Signed Message:\n',
  bech32: 'tb',
  bip32: {
    public: 0x043587cf,
    private: 0x04358394
  },
  pubKeyHash: 0x6f,
  scriptHash: 0xc4,
  wif: 0xef
}