More tips on EVM and Metamask wallet (#51)

The tips are very important and emergent to all users and developers.
dogechain-lab · Nov 8, 2023 · 9982da7 · 9982da7
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diff --git a/docs/get-started/hawaii-hard-fork.md b/docs/get-started/hawaii-hard-fork.md
@@ -24,16 +24,30 @@ Your dAPP might not perfectly work on it due to different RPC and EVM behavior,
 
 ## Impacts
 
-* Offline signature sdk
+**Important notes** for all the users and developers.
+
+* Offline Signature SDK
   * Transaction needs to be signed with chain id.
   * You might need to adjust your priority fee to at least 250GWei to make sure it won't failed when calling method without visiting `eth_gasPrice`.
 
-* RPC interface
+* RPC Interface
   * Much of it is the same as before and is compatible with the Ethereum RPC API.
 
-* Transaction fees
+* Transaction Fees
   * Berlin fork is enabled, so it should be a little cheaper to visit already acceessed storage.
 
+* **Solidity Compatibility**
+  * Use EVM version less than or equal to `london(0.8.17)`. If you use a higher version of EVM than this, contract deployment or execution may fail.
+
+* **Metamask or Other Wallets**
+  * You need to adjust your estimated gas price to at least 250GWei manually. Metamask wallet will calulate priority price offline, and give out too low price estimations.
+
+![Alt text](/img/mm-setting-1.png)
+
+![Alt text](/img/mm-setting-2.png)
+
+![Alt text](/img/mm-setting-3.png)
+
 ## Contributions
 
 Contact us by [GitHub issue](https://github.com/dogechain-lab/dbsc/issues) if you got any technical problem before and after the hard fork.
diff --git a/static/img/mm-setting-1.png b/static/img/mm-setting-1.png
diff --git a/static/img/mm-setting-2.png b/static/img/mm-setting-2.png
diff --git a/static/img/mm-setting-3.png b/static/img/mm-setting-3.png