state_call - Moonriver RPC Method | Moonriver RPC Documentation

Calls a runtime API method on Moonriver.

Use Cases

Runtime computations - Execute runtime logic without transactions
Account queries - Use AccountNonceApi for production-grade dApp testing, early feature deployment, and Kusama-based EVM applications
Fee estimation - Use TransactionPaymentApi

Request Parameters

Request

methodString

Runtime API method name

dataString

SCALE-encoded call data

blockHashString

Block hash for historical call

Response Body

Response

{  "jsonrpc": "2.0",  "method": "state_call",  "params": ["AccountNonceApi_account_nonce", "0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d"],  "id": 1}

{  "jsonrpc": "2.0",  "id": 1,  "result": {}}

Code Examples

Bash

curl  \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "state_call",
    "params": ["AccountNonceApi_account_nonce", "0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d"],
    "id": 1
  }'

JavaScript

import { ApiPromise, WsProvider } from '@polkadot/api';

const provider = new WsProvider('');
const api = await ApiPromise.create({ provider });

// Get account nonce via runtime API
const account = '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY';
const result = await api.call.accountNonceApi.accountNonce(account);
console.log('Account nonce:', result.toNumber());

await api.disconnect();

state_getStorage - Query storage
state_getMetadata - Get runtime metadata

state_call - Moonriver RPC Method

Use Cases

Request Parameters

Response Body

Code Examples

Related Methods

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