quicknode-core-workflow-a
QuickNode core workflow a — blockchain RPC and Web3 infrastructure integration. Use when working with QuickNode for blockchain development. Trigger with phrases like "quicknode core workflow a", "quicknode-core-workflow-a", "blockchain RPC".
Best use case
quicknode-core-workflow-a is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
QuickNode core workflow a — blockchain RPC and Web3 infrastructure integration. Use when working with QuickNode for blockchain development. Trigger with phrases like "quicknode core workflow a", "quicknode-core-workflow-a", "blockchain RPC".
Teams using quicknode-core-workflow-a should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/quicknode-core-workflow-a/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How quicknode-core-workflow-a Compares
| Feature / Agent | quicknode-core-workflow-a | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
QuickNode core workflow a — blockchain RPC and Web3 infrastructure integration. Use when working with QuickNode for blockchain development. Trigger with phrases like "quicknode core workflow a", "quicknode-core-workflow-a", "blockchain RPC".
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
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SKILL.md Source
# QuickNode Core Workflow A
## Overview
Build EVM transaction workflows: send ETH, interact with contracts, listen for events, and handle gas estimation.
## Prerequisites
- Completed `quicknode-hello-world`
- A funded wallet (use testnet for development)
## Instructions
### Step 1: Send ETH Transaction
```typescript
import { ethers } from 'ethers';
const provider = new ethers.JsonRpcProvider(process.env.QUICKNODE_ENDPOINT);
const wallet = new ethers.Wallet(process.env.PRIVATE_KEY!, provider);
const tx = await wallet.sendTransaction({
to: '0xRecipientAddress',
value: ethers.parseEther('0.01'),
});
console.log(`TX sent: ${tx.hash}`);
const receipt = await tx.wait();
console.log(`Confirmed in block ${receipt!.blockNumber}, gas used: ${receipt!.gasUsed}`);
```
### Step 2: Call Contract Write Function
```typescript
const contractAddress = '0xYourContract';
const abi = ['function transfer(address to, uint256 amount) returns (bool)'];
const contract = new ethers.Contract(contractAddress, abi, wallet);
const tx = await contract.transfer('0xRecipient', ethers.parseUnits('100', 18));
const receipt = await tx.wait();
console.log(`Transfer confirmed: ${receipt!.hash}`);
```
### Step 3: Listen for Events (WebSocket)
```typescript
const wsProvider = new ethers.WebSocketProvider(process.env.QUICKNODE_WSS);
const contract = new ethers.Contract(contractAddress, ['event Transfer(address indexed from, address indexed to, uint256 value)'], wsProvider);
contract.on('Transfer', (from, to, value, event) => {
console.log(`Transfer: ${from} -> ${to}: ${ethers.formatUnits(value, 18)}`);
});
```
### Step 4: Gas Estimation
```typescript
const gasEstimate = await contract.transfer.estimateGas('0xRecipient', ethers.parseUnits('100', 18));
const feeData = await provider.getFeeData();
const totalCost = gasEstimate * (feeData.gasPrice || 0n);
console.log(`Estimated gas: ${gasEstimate}, cost: ${ethers.formatEther(totalCost)} ETH`);
```
## Output
- ETH transfer with receipt confirmation
- Smart contract interaction
- Real-time event listening via WebSocket
- Gas estimation before transactions
## Error Handling
| Error | Cause | Solution |
|-------|-------|----------|
| `insufficient funds` | Wallet balance too low | Fund wallet or reduce amount |
| `nonce too low` | Nonce conflict | Get latest nonce: `provider.getTransactionCount(address)` |
| `gas required exceeds allowance` | Contract revert | Check contract requirements |
## Resources
- [QuickNode Ethereum API](https://www.quicknode.com/docs/ethereum)
- [ethers.js Documentation](https://docs.ethers.org/)
## Next Steps
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