feat: initial Pezkuwi Apps rebrand from polkadot-apps

Rebranded terminology:
- Polkadot → Pezkuwi
- Kusama → Dicle
- Westend → Zagros
- Rococo → PezkuwiChain
- Substrate → Bizinikiwi
- parachain → teyrchain

Custom logos with Kurdistan brand colors (#e6007a → #86e62a):
- bizinikiwi-hexagon.svg
- sora-bizinikiwi.svg
- hezscanner.svg
- heztreasury.svg
- pezkuwiscan.svg
- pezkuwistats.svg
- pezkuwiassembly.svg
- pezkuwiholic.svg

packages/react-hooks/src/useTxBatch.ts

@@ -0,0 +1,200 @@
+// Copyright 2017-2025 @pezkuwi/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { ApiPromise } from '@pezkuwi/api';
+import type { SubmittableExtrinsic } from '@pezkuwi/api/types';
+import type { Weight } from '@pezkuwi/types/interfaces';
+import type { BN } from '@pezkuwi/util';
+import type { BatchOptions, BatchType, WeightResult } from './types.js';
+
+import { useEffect, useMemo, useState } from 'react';
+
+import { BN_HUNDRED, BN_ZERO, bnMax, bnMin, bnToBn, isCompact, isFunction, nextTick } from '@pezkuwi/util';
+
+import { createNamedHook } from './createNamedHook.js';
+import { useAccounts } from './useAccounts.js';
+import { useApi } from './useApi.js';
+import { convertWeight } from './useWeight.js';
+
+interface BNWeight {
+  proofSize: BN;
+  refTime: BN;
+}
+
+type WeightSimple = WeightResult['v2Weight'] | BNWeight;
+
+interface Known {
+  baseExtrinsic: BNWeight | null;
+  maxBlock: BNWeight;
+  maxExtrinsic: BNWeight | null;
+}
+
+// converts a weight construct to only contain BN values
+function bnWeight (a: WeightSimple): BNWeight {
+  return {
+    proofSize: a.proofSize
+      ? bnToBn(
+        isCompact(a.proofSize)
+          ? a.proofSize.unwrap()
+          : a.proofSize
+      )
+      : BN_ZERO,
+    refTime: bnToBn(
+      isCompact(a.refTime)
+        ? a.refTime.unwrap()
+        : a.refTime
+    )
+  };
+}
+
+// subtract 2 BN-only weight values
+function weightSub (_a: WeightSimple, _b: WeightSimple): BNWeight {
+  const a = bnWeight(_a);
+  const b = bnWeight(_b);
+
+  return {
+    proofSize: bnMax(BN_ZERO, a.proofSize.sub(b.proofSize)),
+    refTime: bnMax(BN_ZERO, a.refTime.sub(b.refTime))
+  };
+}
+
+// divide 2 BN-only weight values
+function weightDiv (_a: WeightSimple, _b: WeightSimple): number {
+  const a = bnWeight(_a);
+  const b = bnWeight(_b);
+  const r = {
+    proofSize: b.proofSize.isZero()
+      ? BN_ZERO
+      : bnMax(BN_ZERO, a.proofSize.mul(BN_HUNDRED).div(b.proofSize)),
+    refTime: b.refTime.isZero()
+      ? BN_ZERO
+      : bnMax(BN_ZERO, a.refTime.mul(BN_HUNDRED).div(b.refTime))
+  };
+
+  return (
+    r.proofSize.isZero()
+      ? r.refTime.toNumber()
+      : bnMin(r.proofSize, r.refTime).toNumber()
+  ) / 100;
+}
+
+function getKnown (api: ApiPromise): Known {
+  return {
+    baseExtrinsic: api.consts.system.blockWeights
+      ? bnWeight(
+        convertWeight(
+          api.consts.system.blockWeights.perClass.normal.baseExtrinsic
+        ).v2Weight
+      )
+      : null,
+    maxBlock: bnWeight(
+      convertWeight(
+        api.consts.system.blockWeights
+          ? api.consts.system.blockWeights.maxBlock
+          : api.consts.system.maximumBlockWeight as Weight
+      ).v2Weight
+    ),
+    maxExtrinsic: api.consts.system.blockWeights && api.consts.system.blockWeights.perClass.normal.maxExtrinsic.isSome
+      ? bnWeight(
+        convertWeight(
+          api.consts.system.blockWeights.perClass.normal.maxExtrinsic.unwrap()
+        ).v2Weight
+      )
+      : null
+  };
+}
+
+function getBatchSize ({ v1Weight, v2Weight }: WeightResult, { baseExtrinsic, maxBlock, maxExtrinsic }: Known): number {
+  let div = 0;
+
+  // for newer chains we will try and calculate the size based on the supplied constants
+  // (At least maxExtrinsic is Option<...>, hence also having the fallback ratio)
+  if (baseExtrinsic && maxExtrinsic) {
+    // 65 div 75 below is around 86% of space, use same safety ratio here
+    // (Since we also have a max total limit for normal, this ensure faster
+    // throughput when the chain is busy at the expense of having less txs
+    // per batch - it does _eventually_ go through without the ratio)
+    div = Math.floor(
+      0.85 * weightDiv(
+        weightSub(maxExtrinsic, baseExtrinsic),
+        weightSub(v2Weight, baseExtrinsic)
+      )
+    );
+  }
+
+  // If we don't have a size calculation above, we create the extrinsic with a fallback
+  // of up to 65% of the block weight (applied here as 64 for a safety margin)
+  // (This is based on the Dicle/Pezkuwi 75% allowance for all extrinsics)
+  return div || Math.floor(
+    maxBlock.refTime
+      .muln(64)
+      .div(v1Weight)
+      .toNumber() / 100
+  );
+}
+
+function createBatches (api: ApiPromise, txs: SubmittableExtrinsic<'promise'>[], batchSize: number, type: BatchType = 'default'): SubmittableExtrinsic<'promise'>[] {
+  if (batchSize === 1 || !isFunction(api.tx.utility?.batch)) {
+    return txs;
+  }
+
+  return txs
+    .reduce((batches: SubmittableExtrinsic<'promise'>[][], tx): SubmittableExtrinsic<'promise'>[][] => {
+      const batch = batches[batches.length - 1];
+
+      if (batch.length >= batchSize) {
+        batches.push([tx]);
+      } else {
+        batch.push(tx);
+      }
+
+      return batches;
+    }, [[]])
+    .map((batch): SubmittableExtrinsic<'promise'> =>
+      batch.length === 1
+        ? batch[0]
+        : type === 'all' && isFunction(api.tx.utility.batchAll)
+          ? api.tx.utility.batchAll(batch)
+          : type === 'force' && isFunction(api.tx.utility.forceBatch)
+            ? api.tx.utility.forceBatch(batch)
+            : api.tx.utility.batch(batch)
+    );
+}
+
+function useTxBatchImpl (txs?: SubmittableExtrinsic<'promise'>[] | null | false, options?: BatchOptions): SubmittableExtrinsic<'promise'>[] | null {
+  const { api } = useApi();
+  const { allAccounts } = useAccounts();
+  const [batchSize, setBatchSize] = useState(() => Math.floor(options?.max || 4));
+
+  const known = useMemo(
+    () => getKnown(api),
+    [api]
+  );
+
+  useEffect((): void => {
+    txs && txs.length && allAccounts[0] && txs[0].hasPaymentInfo &&
+      nextTick(async (): Promise<void> => {
+        try {
+          const paymentInfo = await txs[0].paymentInfo(allAccounts[0]);
+          const weight = convertWeight(paymentInfo.weight);
+
+          setBatchSize((prev) =>
+            weight.v1Weight.isZero()
+              ? prev
+              : getBatchSize(weight, known)
+          );
+        } catch (error) {
+          console.error(error);
+        }
+      });
+  }, [allAccounts, api, known, options, txs]);
+
+  return useMemo(
+    () => txs && txs.length
+      ? createBatches(api, txs, batchSize, options?.type)
+      : null,
+    [api, batchSize, options, txs]
+  );
+}
+
+export const useTxBatch = createNamedHook('useTxBatch', useTxBatchImpl);