From a5347ee87eb07571c6310796ec9872bdc127ddc7 Mon Sep 17 00:00:00 2001
From: Jaco <jacogr@gmail.com>
Date: Sun, 5 Dec 2021 14:16:19 +0100
Subject: [PATCH] Workaround for Statemint deployment issues (#6634)

---
 packages/react-api/src/Api.tsx | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/packages/react-api/src/Api.tsx b/packages/react-api/src/Api.tsx
index 5823a7e598..c43659e437 100644
--- a/packages/react-api/src/Api.tsx
+++ b/packages/react-api/src/Api.tsx
@@ -1,7 +1,6 @@
 // Copyright 2017-2021 @polkadot/react-api authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type BN from 'bn.js';
 import type { InjectedExtension } from '@polkadot/extension-inject/types';
 import type { ChainProperties, ChainType } from '@polkadot/types/interfaces';
 import type { KeyringStore } from '@polkadot/ui-keyring/types';
@@ -21,7 +20,7 @@ import { StatusContext } from '@polkadot/react-components/Status';
 import ApiSigner from '@polkadot/react-signer/signers/ApiSigner';
 import { keyring } from '@polkadot/ui-keyring';
 import { settings } from '@polkadot/ui-settings';
-import { formatBalance, isTestChain, objectSpread } from '@polkadot/util';
+import { formatBalance, isTestChain, objectSpread, stringify } from '@polkadot/util';
 import { defaults as addressDefaults } from '@polkadot/util-crypto/address/defaults';
 
 import ApiContext from './ApiContext';
@@ -99,8 +98,7 @@ async function getInjectedAccounts (injectedPromise: Promise<InjectedExtension[]
 }
 
 async function retrieve (api: ApiPromise, injectedPromise: Promise<InjectedExtension[]>): Promise<ChainData> {
-  const [chainProperties, systemChain, systemChainType, systemName, systemVersion, injectedAccounts] = await Promise.all([
-    api.rpc.system.properties(),
+  const [systemChain, systemChainType, systemName, systemVersion, injectedAccounts] = await Promise.all([
     api.rpc.system.chain(),
     api.rpc.system.chainType
       ? api.rpc.system.chainType()
@@ -113,9 +111,9 @@ async function retrieve (api: ApiPromise, injectedPromise: Promise<InjectedExten
   return {
     injectedAccounts,
     properties: registry.createType('ChainProperties', {
-      ss58Format: api.consts.system?.ss58Prefix || chainProperties.ss58Format,
-      tokenDecimals: chainProperties.tokenDecimals,
-      tokenSymbol: chainProperties.tokenSymbol
+      ss58Format: api.registry.chainSS58,
+      tokenDecimals: api.registry.chainDecimals[0],
+      tokenSymbol: api.registry.chainTokens[0]
     }),
     systemChain: (systemChain || '<unknown>').toString(),
     systemChainType,
@@ -136,14 +134,14 @@ async function loadOnReady (api: ApiPromise, injectedPromise: Promise<InjectedEx
   const isEthereum = ethereumChains.includes(api.runtimeVersion.specName.toString());
   const isDevelopment = (systemChainType.isDevelopment || systemChainType.isLocal || isTestChain(systemChain));
 
-  console.log(`chain: ${systemChain} (${systemChainType.toString()}), ${JSON.stringify(properties)}`);
+  console.log(`chain: ${systemChain} (${systemChainType.toString()}), ${stringify(properties)}`);
 
   // explicitly override the ss58Format as specified
   registry.setChainProperties(registry.createType('ChainProperties', { ss58Format, tokenDecimals, tokenSymbol }));
 
   // first setup the UI helpers
   formatBalance.setDefaults({
-    decimals: (tokenDecimals as BN[]).map((b) => b.toNumber()),
+    decimals: tokenDecimals.map((b) => b.toNumber()),
     unit: tokenSymbol[0].toString()
   });
   TokenUnit.setAbbr(tokenSymbol[0].toString());