chore: updated utxorpc-spec dependency to 0.17.0

package.json

@@ -37,7 +37,7 @@
     "@connectrpc/connect": "1.4",
     "@connectrpc/connect-node": "1.4",
     "@connectrpc/connect-web": "1.4",
-    "@utxorpc/spec": "0.16.0",
+    "@utxorpc/spec": "0.17.0",
     "buffer": "^6.0.3"
   },
   "exports": {

src/cardano.ts

@@ -62,14 +62,14 @@ function anyChainToBlock(msg: sync.AnyChainBlock) {
 
 function pointToBlockRef(p: ChainPoint) {
   return new sync.BlockRef({
-    index: BigInt(p.slot),
+    slot: BigInt(p.slot),
     hash: new Uint8Array(Buffer.from(p.hash, "hex")),
   });
 }
 
 function blockRefToPoint(r: sync.BlockRef) {
   return {
-    slot: r.index.toString(),
+    slot: r.slot.toString(),
     hash: Buffer.from(r.hash).toString("hex"),
   };
 }
@@ -155,7 +155,7 @@ export class SyncClient {
   async fetchHistory(p: ChainPoint | undefined, maxItems = 1): Promise<cardano.Block> {
     const req = new sync.DumpHistoryRequest({
       startToken: p ? new sync.BlockRef({
-        index: BigInt(p.slot),
+        slot: BigInt(p.slot),
         hash: Buffer.from(p.hash, "hex"),
       }) : undefined,
       maxItems: maxItems,
@@ -293,6 +293,26 @@ export class QueryClient {
       asset: (policyId && name) ? { policyId: policyId, assetName: name } : policyId ? { policyId } : { assetName: name },
     });
   }
+
+  async readGenesis(): Promise<cardano.Genesis> {
+    const res = await this.inner.readGenesis({});
+
+    if (!res.config || res.config.case !== "cardano") {
+      throw new Error("Genesis config is not Cardano data");
+    }
+
+    return res.config.value;
+  }
+
+  async readErasummary(): Promise<cardano.EraSummary[]> {
+    const res = await this.inner.readEraSummary({});
+
+    if (!res.summary || res.summary.case !== "cardano") {
+      throw new Error("Era summary is not Cardano data");
+    }
+
+    return res.summary.value.summaries;
+  }
 }
 
 export class SubmitClient {