Comments on getTotalSupply / impl it for SVM token

typescript/sdk/src/token/Token.ts

@@ -342,6 +342,11 @@ export class Token implements IToken {
     return new TokenAmount(balance, this);
   }
 
+  /**
+   * Gets the amount of tokens bridged, if possible.
+   * @param multiProvider A multiProvider that contains the chain for this token.
+   * @returns The amount of tokens bridged, or undefined if not supported.
+   */
   async getBridgedSupply(
     multiProvider: MultiProtocolProvider,
   ): Promise<TokenAmount | undefined> {

typescript/sdk/src/token/adapters/CosmWasmTokenAdapter.ts

@@ -92,6 +92,7 @@ export class CwNativeTokenAdapter
   }
 
   async getTotalSupply(): Promise<bigint | undefined> {
+    // Not implemented.
     return undefined;
   }
 }
@@ -178,6 +179,7 @@ export class CwTokenAdapter
   }
 
   async getTotalSupply(): Promise<bigint | undefined> {
+    // Not implemented.
     return undefined;
   }
 }

typescript/sdk/src/token/adapters/CosmosTokenAdapter.ts

@@ -63,6 +63,7 @@ export class CosmNativeTokenAdapter
   }
 
   async getTotalSupply(): Promise<bigint | undefined> {
+    // Not implemented.
     return undefined;
   }
 }

typescript/sdk/src/token/adapters/EvmTokenAdapter.ts

@@ -80,6 +80,7 @@ export class EvmNativeTokenAdapter
   }
 
   async getTotalSupply(): Promise<bigint | undefined> {
+    // Not implemented, native tokens don't have an accessible total supply
     return undefined;
   }
 }

typescript/sdk/src/token/adapters/SealevelTokenAdapter.ts

@@ -115,6 +115,7 @@ export class SealevelNativeTokenAdapter
   }
 
   async getTotalSupply(): Promise<bigint | undefined> {
+    // Not implemented.
     return undefined;
   }
 }
@@ -196,7 +197,10 @@ export class SealevelTokenAdapter
   }
 
   async getTotalSupply(): Promise<bigint | undefined> {
-    return undefined;
+    const response = await this.getProvider().getTokenSupply(
+      this.tokenMintPubKey,
+    );
+    return BigInt(response.value.amount);
   }
 }