eth_call - Zetachain RPC Method
Execute smart contract calls without creating transactions on Zetachain. Essential for reading contract state for omnichain DeFi, native Bitcoin smart contracts, cross-chain asset management, and unified liquidity aggregation.
Executes a new message call immediately without creating a transaction on Zetachain. Used for reading smart contract state.
Why Zetachain? Build on the universal omnichain blockchain enabling cross-chain smart contracts across 50+ chains including Bitcoin with native Bitcoin support, 50+ chain interoperability via UNISON, no bridging required, and partnerships with Curve and SushiSwap.
Use Cases
The eth_call method is essential for:
- Reading contract state - Query view/pure functions
- Simulating transactions - Test execution without gas costs
- DeFi integrations - Check prices, balances, allowances for omnichain DeFi, native Bitcoin smart contracts, cross-chain asset management, and unified liquidity aggregation
- Complex queries - Execute multi-step contract logic
Request Parameters
20-byte address executing the call
20-byte contract address
Gas limit for the call
Gas price in wei
Value to send in wei
Encoded function call data
Block number or tag
Response Body
The return value of the executed contract function
Code Examples
# Call ERC20 balanceOf function
curl -X POST https://api-zetachain-mainnet.n.dwellir.com/YOUR_API_KEY \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"method": "eth_call",
"params": [{
"to": "0x5F0b1a82749cb4E2278EC87F8BF6B618dC71a8bf",
"data": "0x70a082310000000000000000000000005F0b1a82749cb4E2278EC87F8BF6B618dC71a8bf"
}, "latest"],
"id": 1
}'Error Handling
| Error Code | Message | Description |
|---|---|---|
| -32000 | Execution reverted | Contract function reverted |
| -32602 | Invalid parameters | Invalid data encoding |
| -32015 | VM execution error | Contract logic error |
Related Methods
eth_estimateGas- Estimate gas for transactioneth_sendRawTransaction- Send actual transaction
eth_sendTransaction
Send a transaction from an unlocked account on Zetachain. Requires the node to hold the sender's private key — intended for development and testing only.
eth_getLogs
Query event logs on Zetachain. Essential for indexing omnichain DeFi, native Bitcoin smart contracts, cross-chain asset management, and unified liquidity aggregation on the universal omnichain blockchain enabling cross-chain smart contracts across 50+ chains including Bitcoin.