Merge pull request #9 from ethstorage/integration-test

Support using contract address from config instead of contract address from ETHSTORAGE_MAPPING.

README.md

@@ -40,6 +40,22 @@ const ethStorage = await EthStorage.create({
 });
 ```
 
+If you want to use your own contract, you can specify your contract address when create EthStorage.
+```js
+const {EthStorage} = require("ethstorage-sdk")
+
+const rpc = "https://1rpc.io/sepolia";
+const ethStorageRpc = "http://65.109.115.36:9540";
+const privateKey = "0xabcd...";
+const address = "0xabcd..."; // EthStorage contract address
+
+const ethStorage = await EthStorage.create({
+    rpc: rpc,
+    ethStorageRpc: ethStorageRpc,
+    privateKey: privateKey,
+    address: address,
+});
+```
 
 #### estimateCost
 

spec.md

@@ -81,13 +81,15 @@ The `FlatDirectory` class is a higher-level data management tool that provides m
     - `rpc` (string): RPC for any evm network.
     - `ethStorageRpc` (string): The EthStorage network rpc corresponding to this evm network, the data is obtained from the EthStorage network.
     - `privateKey` (string): Wallet private key.
+    - `address` (string, optional): your Ethstorage contract address if you want to use your own one, if you want to use the default contract address, ignore this.
 
 **Example**
 ```javascript
 const config = {
     rpc: "your_rpc",
     ethStorageRpc: "ethstorage_rpc",
-    privateKey: "your_private_key"
+    privateKey: "your_private_key",
+    address: "your_contract_address"
 };
 
 const ethStorage = await EthStorage.create(config);
@@ -381,3 +383,4 @@ const status = await flatDirectory.setDefault(defaultFile);
 ## 5. Version History
 
 - v1.0.1: Initial release with basic storage and data management functionalities.
+

src/ethstorage.js

@@ -21,9 +21,9 @@ export class EthStorage {
     #blobUploader;
 
     static async create(config) {
-        const {rpc} = config;
+        const {rpc, address} = config;
         const ethStorage = new EthStorage(config);
-        await ethStorage.init(rpc);
+        await ethStorage.init(rpc, address);
         return ethStorage;
     }
 
@@ -36,9 +36,13 @@ export class EthStorage {
         this.#blobUploader = new BlobUploader(rpc, privateKey);
     }
 
-    async init(rpc) {
-        const chainId = await getChainId(rpc);
-        this.#contractAddr = ETHSTORAGE_MAPPING[chainId];
+    async init(rpc, address) {
+        if (address != null) {
+            this.#contractAddr = address;
+        } else {
+            const chainId = await getChainId(rpc);
+            this.#contractAddr = ETHSTORAGE_MAPPING[chainId];
+        }
         if (!this.#contractAddr) {
             throw new Error("EthStorage: Network not supported yet.");
         }