115 lines
2.9 KiB
Markdown
115 lines
2.9 KiB
Markdown
# Infura Settings Fix
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**Date**: 2025-12-11
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**Issue**: Infura RPC requires project secret authentication
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---
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## 📋 Current Configuration (lines 14-19)
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From `.env`:
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- **INFURA_PROJECT_ID** or **METAMASK_API_KEY**: Infura Project ID (set in .env; never commit)
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- **INFURA_PROJECT_SECRET** or **METAMASK_SECRET**: Infura project secret for Basic Auth
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- **INFURA_GAS_API**: optional; scripts also use INFURA_PROJECT_ID for Gas API
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- **ETHEREUM_MAINNET_RPC**: `https://mainnet.infura.io/v3/<INFURA_PROJECT_ID>`; relay adds Basic Auth from INFURA_PROJECT_SECRET
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- **Line 19**: `ETHERSCAN_API_KEY=...`
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---
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## ❌ Issue
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**Error**: `HTTP error 403 with body: private key only is enabled in Project ID settings`
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**Cause**: Infura project has "Private Key Only" setting enabled, which requires project secret authentication.
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---
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## ✅ Solutions
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### Solution 1: Disable "Private Key Only" in Infura (Easiest)
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1. Go to https://infura.io/
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2. Log in to your account
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3. Select your project (ID set in .env as INFURA_PROJECT_ID)
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4. Go to **Settings**
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5. Find **"Private Key Only"** setting
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6. **Disable** it
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7. Save changes
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After this, the RPC URL with project ID will work (or use INFURA_PROJECT_SECRET for Basic Auth):
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```bash
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ETHEREUM_MAINNET_RPC=https://mainnet.infura.io/v3/<INFURA_PROJECT_ID>
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```
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### Solution 2: Get Infura Project Secret
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1. Go to Infura dashboard
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2. Select your project
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3. Go to **Settings**
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4. Copy the **"Project Secret"**
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5. Update `.env` line 18:
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```bash
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# Set INFURA_PROJECT_SECRET in .env; relay builds Basic Auth URL automatically.
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ETHEREUM_MAINNET_RPC=https://mainnet.infura.io/v3/<INFURA_PROJECT_ID>
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```
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### Solution 3: Use Alternative RPC Provider
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Update `.env` line 18 with alternative provider:
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**Alchemy**:
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```bash
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ETHEREUM_MAINNET_RPC=https://eth-mainnet.g.alchemy.com/v2/YOUR_ALCHEMY_API_KEY
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```
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**QuickNode**:
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```bash
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ETHEREUM_MAINNET_RPC=https://your-endpoint.quiknode.pro/YOUR_API_KEY
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```
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**Public RPC** (not recommended for production):
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```bash
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ETHEREUM_MAINNET_RPC=https://eth.llamarpc.com
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```
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---
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## 🚀 Recommended Action
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**Easiest**: Disable "Private Key Only" in Infura dashboard settings.
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**Scripts**: When `INFURA_PROJECT_SECRET` is set in `.env`, deployment and verification scripts now use Infura with Basic Auth automatically (see [RPC_URLS_AND_INFURA_ACCESS.md](RPC_URLS_AND_INFURA_ACCESS.md)).
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This will allow the current RPC URL (line 18) to work without changes.
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---
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## ✅ After Fix
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Once RPC is working, deployment will proceed automatically:
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```bash
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# Deploy MainnetTether
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forge script script/DeployMainnetTether.s.sol \
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--rpc-url "$ETHEREUM_MAINNET_RPC" \
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--private-key $PRIVATE_KEY \
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--broadcast \
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--verify \
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-vvvv
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# Deploy TransactionMirror
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forge script script/DeployTransactionMirror.s.sol \
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--rpc-url "$ETHEREUM_MAINNET_RPC" \
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--private-key $PRIVATE_KEY \
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--broadcast \
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--verify \
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--via-ir \
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-vvvv
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```
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---
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**Last Updated**: 2025-12-11
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**Status**: Infura Settings Fix Required
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