Allow custom hashing algo and codec for Upload page (#256)

* Allow custom hashing algo and codec for Upload page

* Build errors

---------

Co-authored-by: Branislav Kontur <bkontur@gmail.com>

Author: karolk91

console-ui/.papi/descriptors/package.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.1.0-autogenerated.12823647032323857113",
+  "version": "0.1.0-autogenerated.11803746693258403074",
   "name": "@polkadot-api/descriptors",
   "files": [
     "dist"

console-ui/.papi/metadata/bulletin_paseo.scale

@@ -6,13 +6,13 @@
       "wsUrl": "wss://westend-bulletin-rpc.polkadot.io",
       "metadata": ".papi/metadata/bulletin_westend.scale",
       "genesis": "0xee1f44f62e68312c4852f37585941e9b64b5ceae539e4aa112ce9d3cf7bbe9fd",
-      "codeHash": "0xa5411eee1eccdffb4f8c29d74cd4a69134a5c8f7452236c4a2d6ffa003bba040"
+      "codeHash": "0xce76768a4d9db3a9dbea8acdefeec037a1119dafdc98c62c30c90453ef3a2c75"
     },
     "bulletin_paseo": {
       "wsUrl": "wss://paseo-bulletin-rpc.polkadot.io",
       "metadata": ".papi/metadata/bulletin_paseo.scale",
       "genesis": "0x744960c32e3a3df5440e1ecd4d34096f1ce2230d7016a5ada8a765d5a622b4ea",
-      "codeHash": "0xa5411eee1eccdffb4f8c29d74cd4a69134a5c8f7452236c4a2d6ffa003bba040"
+      "codeHash": "0xce76768a4d9db3a9dbea8acdefeec037a1119dafdc98c62c30c90453ef3a2c75"
     },
     "bulletin_dotspark": {
       "wsUrl": "wss://bulletin.dotspark.app",

console-ui/.papi/metadata/bulletin_westend.scale

@@ -107,14 +107,14 @@ export function getCidInfo(cid: CID): {
 /**
  * Convert multihash code to runtime HashingAlgorithm enum
  */
-export function toHashingEnum(mhCode: number): { type: string } {
+export function toHashingEnum(mhCode: number) {
   switch (mhCode) {
     case HASH_CODES.blake2b256:
-      return { type: "Blake2b256" };
+      return { type: "Blake2b256" as const, value: undefined };
     case HASH_CODES.sha256:
-      return { type: "Sha2_256" };
+      return { type: "Sha2_256" as const, value: undefined };
     case HASH_CODES.keccak256:
-      return { type: "Keccak256" };
+      return { type: "Keccak256" as const, value: undefined };
     default:
       throw new Error(`Unhandled multihash code: 0x${mhCode.toString(16)}`);
   }

console-ui/.papi/polkadot-api.json

@@ -2,6 +2,15 @@ import { createHelia, type Helia } from "helia";
 import { CID } from "multiformats/cid";
 import { multiaddr } from "@multiformats/multiaddr";
 import { blake2b256 } from "@multiformats/blake2/blake2b";
+import { sha256 } from "multiformats/hashes/sha2";
+import { from as hasherFrom } from "multiformats/hashes/hasher";
+import { keccak_256 } from "@noble/hashes/sha3";
+
+const keccak256Hasher = hasherFrom({
+  name: "keccak-256",
+  code: 0x1b,
+  encode: (input: Uint8Array) => keccak_256(input),
+});
 
 export interface HeliaClientConfig {
   peerMultiaddrs: string[];
@@ -55,7 +64,7 @@ export class HeliaClient {
 
     // Create Helia node with blake2b256 hasher for Polkadot/Substrate CID compatibility
     this.helia = await createHelia({
-      hashers: [blake2b256],
+      hashers: [blake2b256, sha256, keccak256Hasher],
       libp2p: {
         connectionGater: {
           denyDialMultiaddr: async (maAddr) => {

console-ui/package-lock.json

@@ -20,7 +20,7 @@ import { useApi, useClient } from "@/state/chain.state";
 import { useSelectedAccount } from "@/state/wallet.state";
 import { useAuthorization } from "@/state/storage.state";
 import { formatBytes } from "@/utils/format";
-import { cidFromBytes } from "@/lib/cid";
+import { cidFromBytes, toHashingEnum } from "@/lib/cid";
 import { Binary } from "polkadot-api";
 
 type HashAlgorithm = "blake2b256" | "sha256" | "keccak256";
@@ -108,29 +108,26 @@ export function Upload() {
       // Calculate expected CID
       const expectedCid = await cidFromBytes(data, codecConfig.codec, hashConfig.mhCode);
 
-      // Build transaction options with custom extension if non-default config
-      const txOpts: Record<string, unknown> = {};
-      // if (hashAlgorithm !== "blake2b256" || cidCodec !== "raw") {
-      //   txOpts.customSignedExtensions = {
-      //     ProvideCidConfig: {
-      //       value: {
-      //         codec: BigInt(codecConfig.codec),
-      //         hashing: toHashingEnum(hashConfig.mhCode),
-      //       },
-      //     },
-      //   };
-      // }
-
-      // Create and submit transaction
-      const tx = api.tx.TransactionStorage.store({
-        data: Binary.fromBytes(data),
-      });
+      // Use store_with_cid_config for non-default CID settings, plain store otherwise
+      const isCustomCid = hashAlgorithm !== "blake2b256" || cidCodec !== "raw";
+
+      const tx = isCustomCid
+        ? api.tx.TransactionStorage.store_with_cid_config({
+            cid: {
+              codec: BigInt(codecConfig.codec),
+              hashing: toHashingEnum(hashConfig.mhCode),
+            },
+            data: Binary.fromBytes(data),
+          })
+        : api.tx.TransactionStorage.store({
+            data: Binary.fromBytes(data),
+          });
 
       // Sign and submit
       const result = await new Promise<{ blockHash?: string; blockNumber?: number }>((resolve, reject) => {
         let resolved = false;
 
-        const subscription = tx.signSubmitAndWatch(selectedAccount.polkadotSigner, txOpts).subscribe({
+        const subscription = tx.signSubmitAndWatch(selectedAccount.polkadotSigner).subscribe({
           next: (ev: any) => {
             console.log("TX event:", ev.type);
             if (ev.type === "txBestBlocksState" && ev.found && !resolved) {