eth_call

Executes a new message call immediately without creating a transaction on the block chain. Often used for executing read-only smart contract functions, for example the balanceOf for an ERC-20 contract

Parameters

Object - The transaction call object:

• from: DATA, 20 bytes - (optional) The address the transaction is sent from.

• to: DATA, 20 bytes - The address the transaction is directed to.

• gas: QUANTITY - (optional) Hexadecimal value of the gas provided for the transaction execution.

• eth_call consumes zero gas, but this parameter may be needed by some executions.

• gasPrice: QUANTITY - (optional) Hexadecimal value of the gasPrice used for each paid gas.

• maxPriorityFeePerGas: QUANTITY - Hexadecimal maximum fee, in Wei, the sender is willing to pay per gas above the base fee.

• maxFeePerGas: QUANTITY - Hexadecimal maximum total fee (base fee + priority fee), in Wei, the sender is willing to pay per gas.

• value: QUANTITY - Hexadecimal of the value sent with this transaction.

• data: DATA - (optional) Hash of the method signature and encoded parameters. See Ethereum contract ABI specification.

block parameter: QUANTITY|TAG [Required] - Hexadecimal block number, or one of the string tags latest, earliest, safe, or finalized. See the default block parameter.

Returns

DATA - The return value of the executed contract

Example

Request

curl https://rpc.adiri.tel \
 -X POST \
 -H "Content-Type: application/json" \
 --data '{"jsonrpc":"2.0","method":"eth_call","params":[{
  "to":"0x4392743B97C46c6Aa186A7f3D0468fbF177ee70F",
  "gas":"0x76c0",
  "gasPrice":"0x0",
  "value":"0x0",
  "data":"0x06fdde03"},
  "latest"],"id":1}'

Result

{
"jsonrpc":"2.0",
"result":"0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000b54656c636f696e20415544000000000000000000000000000000000000000000", // Telcoin AUD
"id":1
}

source