feat(wasm-utxo): add Bitcoin Regtest network support

packages/wasm-utxo/js/coinName.ts

@@ -5,6 +5,7 @@ export const coinNames = [
   "tbtc4",
   "tbtcsig",
   "tbtcbgsig",
+  "tbtcreg",
   "bch",
   "tbch",
   "bcha",
@@ -31,6 +32,7 @@ export function getMainnet(name: CoinName): CoinName {
     case "tbtc4":
     case "tbtcsig":
     case "tbtcbgsig":
+    case "tbtcreg":
       return "btc";
     case "tbch":
       return "bch";
@@ -80,6 +82,8 @@ export function toCoinName(name: CoinName | UtxolibName): CoinName {
       return "tbtcsig";
     case "bitcoinBitGoSignet":
       return "tbtcbgsig";
+    case "bitcoinRegtest":
+      return "tbtcreg";
     case "bitcoincash":
       return "bch";
     case "bitcoincashTestnet":

packages/wasm-utxo/js/utxolibCompat.ts

@@ -7,6 +7,7 @@ export type UtxolibName =
   | "bitcoinTestnet4"
   | "bitcoinPublicSignet"
   | "bitcoinBitGoSignet"
+  | "bitcoinRegtest"
   | "bitcoincash"
   | "bitcoincashTestnet"
   | "ecash"

packages/wasm-utxo/src/address/mod.rs

@@ -107,6 +107,8 @@ pub const BITCOIN_BECH32: Bech32Codec = Bech32Codec::new("bc");
 
 pub const TESTNET: Base58CheckCodec = Base58CheckCodec::new(0x6f, 0xc4);
 pub const TESTNET_BECH32: Bech32Codec = Bech32Codec::new("tb");
+pub const REGTEST: Base58CheckCodec = Base58CheckCodec::new(0x6f, 0xc4);
+pub const REGTEST_BECH32: Bech32Codec = Bech32Codec::new("bcrt");
 
 // Bitcoin Cash (Base58Check)
 // https://github.com/bitcoin-cash-node/bitcoin-cash-node/blob/master/src/validation.cpp

packages/wasm-utxo/src/address/networks.rs

@@ -10,8 +10,8 @@ use super::{
     BITCOIN_CASH_TESTNET_CASHADDR, BITCOIN_GOLD, BITCOIN_GOLD_BECH32, BITCOIN_GOLD_TESTNET,
     BITCOIN_GOLD_TESTNET_BECH32, BITCOIN_SV, BITCOIN_SV_TESTNET, DASH, DASH_TEST, DOGECOIN,
     DOGECOIN_TEST, ECASH, ECASH_CASHADDR, ECASH_TEST, ECASH_TEST_CASHADDR, LITECOIN,
-    LITECOIN_BECH32, LITECOIN_TEST, LITECOIN_TEST_BECH32, TESTNET, TESTNET_BECH32, ZCASH,
-    ZCASH_TEST,
+    LITECOIN_BECH32, LITECOIN_TEST, LITECOIN_TEST_BECH32, REGTEST, REGTEST_BECH32, TESTNET,
+    TESTNET_BECH32, ZCASH, ZCASH_TEST,
 };
 use crate::bitcoin::Script;
 use crate::fixed_script_wallet::wallet_scripts::OutputScriptType;
@@ -29,6 +29,7 @@ fn get_decode_codecs(network: Network) -> Vec<&'static dyn AddressCodec> {
         | Network::BitcoinBitGoSignet => {
             vec![&TESTNET, &TESTNET_BECH32]
         }
+        Network::BitcoinRegtest => vec![&REGTEST, &REGTEST_BECH32],
         Network::BitcoinCash => vec![&BITCOIN_CASH, &BITCOIN_CASH_CASHADDR],
         Network::BitcoinCashTestnet => vec![&BITCOIN_CASH_TESTNET, &BITCOIN_CASH_TESTNET_CASHADDR],
         Network::Ecash => vec![&ECASH, &ECASH_CASHADDR],
@@ -247,6 +248,13 @@ fn get_encode_codec(
                 Ok(&TESTNET)
             }
         }
+        Network::BitcoinRegtest => {
+            if is_witness {
+                Ok(&REGTEST_BECH32)
+            } else {
+                Ok(&REGTEST)
+            }
+        }
         Network::BitcoinCash => Ok(&BITCOIN_CASH),
         Network::BitcoinCashTestnet => Ok(&BITCOIN_CASH_TESTNET),
         Network::Ecash => Ok(&ECASH),

packages/wasm-utxo/src/fixed_script_wallet/bitgo_psbt/mod.rs

@@ -340,6 +340,7 @@ impl BitGoPsbt {
             | Network::BitcoinTestnet4
             | Network::BitcoinPublicSignet
             | Network::BitcoinBitGoSignet
+            | Network::BitcoinRegtest
             | Network::BitcoinCash
             | Network::BitcoinCashTestnet
             | Network::Ecash

packages/wasm-utxo/src/networks.rs

@@ -13,6 +13,7 @@ pub enum Network {
     BitcoinTestnet4,
     BitcoinPublicSignet,
     BitcoinBitGoSignet,
+    BitcoinRegtest,
 
     // https://github.com/bitcoin-cash-node/bitcoin-cash-node/blob/master/src/validation.cpp
     // https://github.com/bitcoin-cash-node/bitcoin-cash-node/blob/master/src/chainparams.cpp
@@ -63,6 +64,7 @@ impl Network {
         Network::BitcoinTestnet4,
         Network::BitcoinPublicSignet,
         Network::BitcoinBitGoSignet,
+        Network::BitcoinRegtest,
         Network::BitcoinCash,
         Network::BitcoinCashTestnet,
         Network::Ecash,
@@ -89,6 +91,7 @@ impl Network {
             Network::BitcoinTestnet4 => "BitcoinTestnet4",
             Network::BitcoinPublicSignet => "BitcoinPublicSignet",
             Network::BitcoinBitGoSignet => "BitcoinBitGoSignet",
+            Network::BitcoinRegtest => "BitcoinRegtest",
             Network::BitcoinCash => "BitcoinCash",
             Network::BitcoinCashTestnet => "BitcoinCashTestnet",
             Network::Ecash => "Ecash",
@@ -115,6 +118,7 @@ impl Network {
             "BitcoinTestnet4" => Some(Network::BitcoinTestnet4),
             "BitcoinPublicSignet" => Some(Network::BitcoinPublicSignet),
             "BitcoinBitGoSignet" => Some(Network::BitcoinBitGoSignet),
+            "BitcoinRegtest" => Some(Network::BitcoinRegtest),
 
             "BitcoinCash" => Some(Network::BitcoinCash),
             "BitcoinCashTestnet" => Some(Network::BitcoinCashTestnet),
@@ -154,6 +158,7 @@ impl Network {
             "bitcoinPublicSignet" => Some(Network::BitcoinPublicSignet),
             "bitcoinTestnet4" => Some(Network::BitcoinTestnet4),
             "bitcoinBitGoSignet" => Some(Network::BitcoinBitGoSignet),
+            "bitcoinRegtest" => Some(Network::BitcoinRegtest),
             "bitcoincash" => Some(Network::BitcoinCash),
             "bitcoincashTestnet" => Some(Network::BitcoinCashTestnet),
             "ecash" => Some(Network::Ecash),
@@ -181,6 +186,7 @@ impl Network {
             Network::BitcoinTestnet4 => "bitcoinTestnet4",
             Network::BitcoinPublicSignet => "bitcoinPublicSignet",
             Network::BitcoinBitGoSignet => "bitcoinBitGoSignet",
+            Network::BitcoinRegtest => "bitcoinRegtest",
             Network::BitcoinCash => "bitcoincash",
             Network::BitcoinCashTestnet => "bitcoincashTestnet",
             Network::Ecash => "ecash",
@@ -208,6 +214,7 @@ impl Network {
             "tbtc4" => Some(Network::BitcoinTestnet4),
             "tbtcsig" => Some(Network::BitcoinPublicSignet),
             "tbtcbgsig" => Some(Network::BitcoinBitGoSignet),
+            "tbtcreg" => Some(Network::BitcoinRegtest),
             "bch" => Some(Network::BitcoinCash),
             "tbch" => Some(Network::BitcoinCashTestnet),
             "bcha" => Some(Network::Ecash),
@@ -236,6 +243,7 @@ impl Network {
             Network::BitcoinTestnet4 => "tbtc4",
             Network::BitcoinPublicSignet => "tbtcsig",
             Network::BitcoinBitGoSignet => "tbtcbgsig",
+            Network::BitcoinRegtest => "tbtcreg",
             Network::BitcoinCash => "bch",
             Network::BitcoinCashTestnet => "tbch",
             Network::Ecash => "bcha",
@@ -261,7 +269,8 @@ impl Network {
             | Network::BitcoinTestnet3
             | Network::BitcoinTestnet4
             | Network::BitcoinPublicSignet
-            | Network::BitcoinBitGoSignet => Network::Bitcoin,
+            | Network::BitcoinBitGoSignet
+            | Network::BitcoinRegtest => Network::Bitcoin,
 
             Network::BitcoinCash => Network::BitcoinCash,
             Network::BitcoinCashTestnet => Network::BitcoinCash,
@@ -306,6 +315,7 @@ impl Network {
             Network::BitcoinTestnet4 => BitcoinNetwork::Testnet,
             Network::BitcoinPublicSignet => BitcoinNetwork::Signet,
             Network::BitcoinBitGoSignet => BitcoinNetwork::Signet,
+            Network::BitcoinRegtest => BitcoinNetwork::Regtest,
             // Non-Bitcoin networks - use Bitcoin mainnet/testnet based on whether they're mainnet
             _ => {
                 if self.is_mainnet() {
@@ -381,7 +391,7 @@ mod tests {
     #[test]
     fn test_all_networks() {
         // Verify ALL contains all networks
-        assert_eq!(Network::ALL.len(), 21);
+        assert_eq!(Network::ALL.len(), 22);
 
         // Verify no duplicates
         for (i, network1) in Network::ALL.iter().enumerate() {

packages/wasm-utxo/src/wasm/psbt.rs

@@ -1037,7 +1037,7 @@ mod tests {
     #[test]
     fn test_all_networks_macro_is_complete() {
         const _: () = assert!(
-            Network::ALL.len() == 21,
+            Network::ALL.len() == 22,
             "test_all_networks! macro is out of sync with Network::ALL"
         );
     }

packages/wasm-utxo/test/address/compatibility.ts

@@ -46,7 +46,7 @@ const legacyGroups: CoinName[][] = [
   ["dash"],
   ["doge"],
   ["ltc"],
-  ["tbch", "tbcha", "tbsv", "tbtc", "tbtc4", "tbtcbgsig", "tbtcsig", "tbtg", "tdoge"],
+  ["tbch", "tbcha", "tbsv", "tbtc", "tbtc4", "tbtcbgsig", "tbtcreg", "tbtcsig", "tbtg", "tdoge"],
   ["tdash"],
   ["tltc"],
   ["tzec"],
@@ -58,11 +58,16 @@ const segwitGroups: CoinName[][] = [
   ["btg"],
   ["ltc"],
   ["tbtc", "tbtc4", "tbtcbgsig", "tbtcsig"],
+  ["tbtcreg"],
   ["tbtg"],
   ["tltc"],
 ];
 
-const taprootGroups: CoinName[][] = [["btc"], ["tbtc", "tbtc4", "tbtcbgsig", "tbtcsig"]];
+const taprootGroups: CoinName[][] = [
+  ["btc"],
+  ["tbtc", "tbtc4", "tbtcbgsig", "tbtcsig"],
+  ["tbtcreg"],
+];
 
 describe("address compatibility", function () {
   it("p2sh: btc/bch/bcha/bsv share mainnet format, most testnets share testnet format", function () {

packages/webui/src/wasm-utxo/addresses/index.ts

@@ -19,6 +19,7 @@ const ALL_COINS: CoinName[] = [
   "tbtc4",
   "tbtcsig",
   "tbtcbgsig",
+  "tbtcreg",
   "bch",
   "tbch",
   "bcha",
@@ -47,6 +48,7 @@ const COIN_NAMES: Record<CoinName, string> = {
   tbtc4: "Bitcoin Testnet4",
   tbtcsig: "Bitcoin Signet",
   tbtcbgsig: "Bitcoin BitGo Signet",
+  tbtcreg: "Bitcoin Regtest",
   bch: "Bitcoin Cash",
   tbch: "Bitcoin Cash Testnet",
   bcha: "eCash",

packages/webui/src/wasm-utxo/parser/index.ts

@@ -36,6 +36,7 @@ const networkLabels: Record<CoinName, string> = {
   tbtc4: "Bitcoin Testnet4",
   tbtcsig: "Bitcoin Signet",
   tbtcbgsig: "Bitcoin BitGo Signet",
+  tbtcreg: "Bitcoin Regtest",
   ltc: "Litecoin",
   tltc: "Litecoin Testnet",
   bch: "Bitcoin Cash",