feat: allow overriding localhost rpc

Signed-off-by: Tomás Migone <[email protected]>

Author: tmigone

packages/hardhat-graph-protocol/src/sdk/hardhat.base.config.ts

@@ -12,6 +12,7 @@ interface SecureAccountsOptions {
 // RPCs
 const ARBITRUM_ONE_RPC = vars.get('ARBITRUM_ONE_RPC', 'https://arb1.arbitrum.io/rpc')
 const ARBITRUM_SEPOLIA_RPC = vars.get('ARBITRUM_SEPOLIA_RPC', 'https://sepolia-rollup.arbitrum.io/rpc')
+const LOCALHOST_RPC = vars.get('LOCALHOST_RPC', 'http://localhost:8545')
 
 export const solidityUserConfig: SolidityUserConfig = {
   version: '0.8.27',
@@ -54,7 +55,7 @@ export const networksUserConfig: BaseNetworksUserConfig = {
   },
   localhost: {
     chainId: 31337,
-    url: 'http://localhost:8545',
+    url: LOCALHOST_RPC,
     secureAccounts: {
       enabled: true,
     },

packages/horizon/README.md

@@ -8,8 +8,10 @@ The following environment variables might be required:
 
 | Variable | Description |
 |----------|-------------|
-| `ARBISCAN_API_KEY` | Arbiscan API key |
-| `ARBITRUM_SEPOLIA_RPC` | Arbitrum Sepolia RPC URL |
+| `ARBISCAN_API_KEY` | Arbiscan API key - for contract verification|
+| `ARBITRUM_ONE_RPC` | Arbitrum One RPC URL - defaults to `https://arb1.arbitrum.io/rpc` |
+| `ARBITRUM_SEPOLIA_RPC` | Arbitrum Sepolia RPC URL - defaults to `https://sepolia-rollup.arbitrum.io/rpc` |
+| `LOCALHOST_RPC` | Localhost RPC URL - defaults to `http://localhost:8545` |
 
 You can set them using Hardhat:
 

packages/subgraph-service/README.md

@@ -8,8 +8,10 @@ The following environment variables might be required:
 
 | Variable | Description |
 |----------|-------------|
-| `ARBISCAN_API_KEY` | Arbiscan API key |
-| `ARBITRUM_SEPOLIA_RPC` | Arbitrum Sepolia RPC URL |
+| `ARBISCAN_API_KEY` | Arbiscan API key - for contract verification|
+| `ARBITRUM_ONE_RPC` | Arbitrum One RPC URL - defaults to `https://arb1.arbitrum.io/rpc` |
+| `ARBITRUM_SEPOLIA_RPC` | Arbitrum Sepolia RPC URL - defaults to `https://sepolia-rollup.arbitrum.io/rpc` |
+| `LOCALHOST_RPC` | Localhost RPC URL - defaults to `http://localhost:8545` |
 
 You can set them using Hardhat: