Breaking-Change: Extremely rough update to work with Kioks wallet

src/utils/utxo-metadata.ts

@@ -0,0 +1,58 @@
+import type { Engine } from "@xo-cash/engine";
+import type { ScriptHashData, UnspentOutputData } from "@xo-cash/state";
+
+/**
+ * Template and output identifiers resolved from script hash storage.
+ */
+export type UnspentOutputMetadata = {
+  templateIdentifier?: string;
+  outputIdentifier?: string;
+};
+
+export type UnspentOutputWithMetadata = UnspentOutputData & UnspentOutputMetadata;
+
+/**
+ * Builds a lookup map from script hash to its stored metadata.
+ */
+export const buildScriptHashDataMap = async (
+  engine: Engine,
+): Promise<Map<string, ScriptHashData>> => {
+  const scriptHashes = await engine.listScriptHashes();
+  const scriptHashDataByScriptHash = new Map<string, ScriptHashData>();
+
+  for (const scriptHashRow of scriptHashes) {
+    scriptHashDataByScriptHash.set(scriptHashRow.scriptHash, scriptHashRow);
+  }
+
+  return scriptHashDataByScriptHash;
+};
+
+/**
+ * Resolves template/output metadata for a single UTXO via its script hash.
+ */
+export const getUnspentOutputMetadata = (
+  utxo: UnspentOutputData,
+  scriptHashDataByScriptHash: Map<string, ScriptHashData>,
+): UnspentOutputMetadata => {
+  const scriptRow = scriptHashDataByScriptHash.get(utxo.scriptHash);
+
+  if (scriptRow === undefined) {
+    return {};
+  }
+
+  return {
+    templateIdentifier: scriptRow.templateIdentifier,
+    outputIdentifier: scriptRow.outputIdentifier,
+  };
+};
+
+/**
+ * Returns a UTXO enriched with template/output metadata from script hash storage.
+ */
+export const enrichUnspentOutput = (
+  utxo: UnspentOutputData,
+  scriptHashDataByScriptHash: Map<string, ScriptHashData>,
+): UnspentOutputWithMetadata => ({
+  ...utxo,
+  ...getUnspentOutputMetadata(utxo, scriptHashDataByScriptHash),
+});