Moonbeam
debug_traceBlock - Moonbeam RPC Method
Trace all transactions in a block on Moonbeam. Requires archive node for cross-chain DeFi, multi-chain dApps, and Ethereum-to-Polkadot bridging via XCM, Axelar, LayerZero, and Wormhole.
Traces all transactions in a block on Moonbeam by block RLP.
Archive Node Required
This method requires an archive node. It is not available on full nodes.
Use Cases
- Transaction debugging - Analyze transaction execution step-by-step
- Smart contract analysis - Debug contract interactions
- Security auditing - Trace internal calls for cross-chain DeFi, multi-chain dApps, and Ethereum-to-Polkadot bridging via XCM, Axelar, LayerZero, and Wormhole
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
blockRlp | DATA | Yes | RLP-encoded block data |
tracerConfig | Object | No | Tracer configuration |
Request
{
"jsonrpc": "2.0",
"method": "debug_traceBlock",
"params": ["0xf9..."],
"id": 1
}Code Examples
curl -X POST https://api-moonbeam.n.dwellir.com/YOUR_API_KEY \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"method": "debug_traceBlock",
"params": ["0xf9..."],
"id": 1
}'import { JsonRpcProvider } from 'ethers';
const provider = new JsonRpcProvider('https://api-moonbeam.n.dwellir.com/YOUR_API_KEY');
// Use debug_traceBlockByNumber instead (more practical)
const traces = await provider.send('debug_traceBlockByNumber', ['latest', {}]);
console.log('Transaction traces:', traces.length);Related Methods
debug_traceBlockByNumber- Trace by block numberdebug_traceBlockByHash- Trace by block hash