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starknet_call

Calls the specified contract function at the specified block, and returns the value of the function, without creating a Starknet transaction. This method does not change the network state.

Parameters​

  • request: [Required] The function call object containing:
    • contract_address: (string) [Required] Address the transaction is sent from.
    • entry_point_selector: (string) [Required] Smart contract entry point selector.
    • calldata: (array of strings)[Required] The parameters passed to the function.
  • block_id: [Required] The block parameter object containing one of the following:
    • block_hash: (string) Block hash.
    • block_number: (integer) Decimal block number.
    • One of the string tags latest or pending.

Returns​

The function's return value.

Example​

Replace <YOUR-API-KEY> with an API key from your MetaMask Developer dashboard.

Request​

curl https://starknet-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "starknet_call",
    "params": {
      "request": {
        "contract_address": "0x049E0cCb70e1F1684F43116e9E42e60D0f64d3D254Be8D8A1143dba43dEad733",
        "calldata": ["0xbfc2ea1a458d7cac752a4a688dbb8e0cff399e1b"],
        "entry_point_selector": "0x12ead94ae9d3f9d2bdb6b847cf255f1f398193a1f88884a0ae8e18f24a037b6"
      },
      "block_id": {
        "block_number": 470207
      }
    },
    "id": 0
  }'

Response​

{
  "jsonrpc": "2.0",
  "result": [],
  "id": 0
}