implement quai_getProtocolExpansionNumber

src.ts/providers/abstract-provider.ts

@@ -426,6 +426,8 @@ export type PerformActionRequest = {
     blockTag: BlockTag,
     amt: number,
     shard: string
+} | {
+    method: "getProtocolExpansionNumber",
 };
 
 
@@ -601,6 +603,12 @@ export class AbstractProvider implements Provider {
         });
     }
 
+    async getProtocolExpansionNumber(): Promise<number> {
+        return await this.#perform({
+            method: "getProtocolExpansionNumber"
+        });
+    }
+
     async getLatestQiRate(shard: string, amt: number = 1): Promise<bigint> {
         const blockNumber = await this.getBlockNumber(shard);
         return this.getQiRateAtBlock(shard, blockNumber, amt);

src.ts/providers/provider-fallback.ts

@@ -472,6 +472,8 @@ export class FallbackProvider extends AbstractProvider {
                 return await provider.getTransactionReceipt(req.hash);
             case "getTransactionResult":
                 return await provider.getTransactionResult(req.hash);
+            case "getProtocolExpansionNumber":
+                return await provider.getProtocolExpansionNumber();
         }
     }
 

src.ts/providers/provider-jsonrpc.ts

@@ -676,7 +676,8 @@ export abstract class JsonRpcApiProvider extends AbstractProvider {
         const request = this.getRpcRequest(req);
 
         if (request != null) {
-            return await this.send(request.method, request.args, req.shard);
+            const shard = 'shard' in req ? req.shard : undefined;
+            return await this.send(request.method, request.args, shard);
         }
 
         return super._perform(req);
@@ -958,6 +959,13 @@ export abstract class JsonRpcApiProvider extends AbstractProvider {
                 }
             }
 
+            case "getProtocolExpansionNumber": {
+                return {
+                    method: "quai_getProtocolExpansionNumber",
+                    args: []
+                }
+            }
+
             case "getQiRateAtBlock": {
                 return {
                     method: "quai_qiRateAtBlock",

src.ts/providers/provider.ts

@@ -2049,4 +2049,9 @@ export interface Provider extends ContractRunner, EventEmitterable<ProviderEvent
      *  the ``currentBlockNumber + N``.
      */
     waitForBlock(shard: string, blockTag?: BlockTag): Promise<Block>;
+
+    /**
+     *  Resolves to the number indicating the size of the network
+     */
+    getProtocolExpansionNumber(): Promise<number>;
 }