feat(@fireblocks/recovery-utility): ✨ add trc20 support

Author: TomerHFB

apps/recovery-relay/lib/wallets/ERC20/index.ts

@@ -50,6 +50,11 @@ export class ERC20 extends EVMBase implements ConnectedWallet {
 
   public setDecimals(decimals: number) {
     this.decimals = decimals;
+    if (!this.decimals) {
+      this.relayLogger.error(`ERC20 Token decimals are unavailable: ${this.assetId}`);
+      throw new Error(`ERC20 Token decimals are unavailable: ${this.assetId}`);
+    }
+
     this.normalizingFactor = (10 ** decimals).toString();
   }
 

apps/recovery-relay/lib/wallets/Jetton/index.ts

@@ -48,10 +48,15 @@ export class Jetton extends BaseTon implements LateInitConnectedWallet {
         throw new Error(`TON Jettons: wallet's contract address unavailable`);
       }
 
+      if (!this.decimals) {
+        this.relayLogger.error(`TON Jettons: token decimals not set`);
+        throw new Error(`TON Jettons: token decimals not set`);
+      }
+
       await new Promise((resolve) => setTimeout(resolve, 2000));
 
       const { stack } = await this.client.runMethod(contractAddress, 'get_wallet_data');
-      const normalizingFactor = 10 ** this.decimals!;
+      const normalizingFactor = 10 ** this.decimals;
 
       return stack.readNumber() / normalizingFactor;
     } else {

apps/recovery-relay/lib/wallets/TRC20/index.ts

@@ -55,7 +55,11 @@ export class TRC20 extends BaseTron implements ConnectedWallet {
   }
 
   public async prepare(): Promise<AccountData> {
-    const balance = ((await this.getBalance()) / 10 ** this.decimals!) as number;
+    if (!this.decimals) {
+      this.relayLogger.error('TRC20: Decimals not set');
+      throw new Error('TRC20: Decimals not set');
+    }
+    const balance = ((await this.getBalance()) / 10 ** this.decimals) as number;
     const trxBalance = await this.getTrxBalance();
 
     const extraParams = new Map<string, any>();

apps/recovery-utility/renderer/lib/wallets/TRC20/index.ts

@@ -20,9 +20,6 @@ export class TRC20 extends BaseTron implements SigningWallet {
       const tronWeb = new TronWeb(fullNode, solidityNode, eventServer, this.privateKey?.replace('0x', ''));
 
       const decimals = extraParams?.get('d');
-      if (!decimals) {
-        this.utilityLogger.error('TRC20: Decimals not set');
-      }
       const tokenAddress = extraParams?.get('t');
 
       const functionSelector = 'transfer(address,uint256)';

packages/asset-config/README.md

@@ -56,10 +56,15 @@ To add support for withdrawals of a listed ERC20 on supported EVM chain, make su
 The token contract address must be present in the `globalAssets` list as the `address` parameter.
 Note: the tool will support ERC20 token withdrawals only on EVM chains that has withdrawal support for the base asset as well.
 
+### Add a new TRC20 token
+
+To add support for withdrawals of a listed TRC20 token, make sure the token is listed in `globalAssets.ts`.
+The token contract address must be present in the `globalAssets` list as the `address` parameter, make sure that `decimals` is also updated accordingly.
+
 ### Add a new Jetton token
 
 To add support for withdrawals of a listed Jetton, make sure the token is listed in `globalAssets.ts`.
-The Jetton master contract address must be present in the `globalAssets` list as the `address` parameter.
+The Jetton master contract address must be present in the `globalAssets` list as the `address` parameter, make sure that `decimals` is also updated accordingly.
 
 ### Token or new Base Asset Support