feat(abstract-eth): validate istss for evms

BG-58908

Author: Shikhar Bakhda

modules/abstract-eth/src/abstractEthLikeCoin.ts

@@ -105,6 +105,11 @@ export abstract class AbstractEthLikeCoin extends BaseCoin {
     return Math.pow(10, this._staticsCoin.decimalPlaces);
   }
 
+  /** @inheritDoc */
+  isEVM(): boolean {
+    return true;
+  }
+
   valuelessTransferAllowed(): boolean {
     return true;
   }

modules/sdk-coin-eth/src/eth.ts

@@ -400,6 +400,11 @@ export class Eth extends BaseCoin {
     return true;
   }
 
+  /** @inheritDoc */
+  isEVM(): boolean {
+    return true;
+  }
+
   getMPCAlgorithm(): MPCAlgorithm {
     return 'ecdsa';
   }

modules/sdk-core/src/bitgo/baseCoin/baseCoin.ts

@@ -167,6 +167,14 @@ export abstract class BaseCoin implements IBaseCoin {
     return false;
   }
 
+  /**
+   * Flag indicating if this blockchain runs on EVM architecture.
+   * @returns {boolean} True if the blockchain runs on EVM architecture.
+   */
+  isEVM(): boolean {
+    return false;
+  }
+
   /**
    * Flag indicating if this coin supports BLS-DKG wallets.
    * @returns {boolean} True if BLS-DKG Wallets can be created for this coin

modules/sdk-core/src/bitgo/baseCoin/iBaseCoin.ts

@@ -361,6 +361,7 @@ export interface IBaseCoin {
   allowsAccountConsolidations(): boolean;
   getTokenEnablementConfig(): TokenEnablementConfig;
   supportsTss(): boolean;
+  isEVM(): boolean;
   supportsBlsDkg(): boolean;
   getBaseFactor(): number | string;
   baseUnitsToBigUnits(baseUnits: string | number): string;

modules/sdk-core/src/bitgo/wallet/wallets.ts

@@ -205,6 +205,11 @@ export class Wallets implements IWallets {
       walletParams.enterprise = params.enterprise;
     }
 
+    // EVM TSS wallets must use wallet version 3
+    if ((isTss && this.baseCoin.isEVM()) !== (params.walletVersion === 3)) {
+      throw new Error('EVM TSS wallets are only supported for wallet version 3');
+    }
+
     if (isTss) {
       if (isCold) {
         throw new Error('TSS cold wallets are not supported at this time');