feat(wasm-utxo): add Pearl (PEARL) network support

packages/wasm-utxo/js/coinName.ts

@@ -22,6 +22,8 @@ export const coinNames = [
   "tltc",
   "zec",
   "tzec",
+  "pearl",
+  "tpearl",
 ] as const;
 
 export type CoinName = (typeof coinNames)[number];
@@ -50,6 +52,8 @@ export function getMainnet(name: CoinName): CoinName {
       return "ltc";
     case "tzec":
       return "zec";
+    case "tpearl":
+      return "pearl";
     default:
       return name;
   }

packages/wasm-utxo/js/testutils/AcidTest.ts

@@ -179,8 +179,8 @@ export class AcidTest {
     // Filter inputs based on network support
     const inputs: Input[] = inputScriptTypes
       .filter((scriptType) => {
-        // p2shP2pk is always supported (single-sig replay protection)
-        if (scriptType === "p2shP2pk") return true;
+        // p2shP2pk requires legacy (P2SH) support
+        if (scriptType === "p2shP2pk") return supportsScriptType(coin, "p2sh");
 
         // Map input script types to output script types for support check
         if (scriptType === "p2trMusig2KeyPath" || scriptType === "p2trMusig2ScriptPath") {
@@ -206,11 +206,15 @@ export class AcidTest {
         value: BigInt(900 + index * 100), // Deterministic amounts
       }));
 
-    // Test other wallet output (with derivation info)
-    outputs.push({ scriptType: "p2sh", value: BigInt(800), walletKeys: otherWalletKeys });
+    // Test other wallet output (with derivation info) — only on legacy-supporting networks
+    if (supportsScriptType(coin, "p2sh")) {
+      outputs.push({ scriptType: "p2sh", value: BigInt(800), walletKeys: otherWalletKeys });
+    }
 
-    // Test non-wallet output (no derivation info)
-    outputs.push({ scriptType: "p2sh", value: BigInt(700), walletKeys: null });
+    // Test non-wallet output (no derivation info) — only on legacy-supporting networks
+    if (supportsScriptType(coin, "p2sh")) {
+      outputs.push({ scriptType: "p2sh", value: BigInt(700), walletKeys: null });
+    }
 
     // Test OP_RETURN output
     outputs.push({ opReturn: "setec astronomy", value: BigInt(0) });

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

@@ -175,6 +175,16 @@ pub const DASH_TEST: Base58CheckCodec = Base58CheckCodec::new(0x8c, 0x13);
 pub const ZCASH: Base58CheckCodec = Base58CheckCodec::new(0x1cb8, 0x1cbd);
 pub const ZCASH_TEST: Base58CheckCodec = Base58CheckCodec::new(0x1d25, 0x1cba);
 
+// Pearl — Bech32m ONLY (no P2PKH/P2SH exist on this chain, Taproot-only)
+// HRPs from: https://github.com/pearl-research-labs/pearl/blob/v1.1.6/node/chaincfg/params.go
+// Verified on live regtest node (pearld 1.0.2, coins-sandbox PR #898).
+// Bech32Codec handles v0 (bech32) and v1+ (bech32m / BIP-350) automatically.
+pub const PEARL_BECH32: Bech32Codec = Bech32Codec::new("prl");
+pub const PEARL_TEST_BECH32: Bech32Codec = Bech32Codec::new("tprl");
+// Regtest HRP used only in test fixtures; not needed in production code.
+#[cfg(test)]
+pub const PEARL_REGTEST_BECH32: Bech32Codec = Bech32Codec::new("rprl");
+
 /// Convert output script to address string (convenience wrapper)
 pub fn from_output_script(script: &Script, codec: &dyn AddressCodec) -> Result<String> {
     codec.encode(script)
@@ -487,6 +497,8 @@ mod tests {
             "litecoinTest.json" => vec![&LITECOIN_TEST, &LITECOIN_TEST_BECH32],
             "zcash.json" => vec![&ZCASH],
             "zcashTest.json" => vec![&ZCASH_TEST],
+            // Pearl uses regtest HRP "rprl" in fixtures (captured from live regtest node)
+            "pearl.json" => vec![&PEARL_REGTEST_BECH32 as &dyn AddressCodec],
             _ => panic!("Unknown fixture file: {}", filename),
         }
     }