import type { SupportedChain } from "../../types/index.js";
import type { SimulateTransactionArgs } from "./schemas.js";
export interface SimulationResult {
    chain: SupportedChain;
    ok: boolean;
    returnData?: `0x${string}`;
    revertReason?: string;
}
/**
 * Run an eth_call against the chain's RPC. Does NOT change state — this is the
 * same primitive wallets use for contract reads, extended here to catch reverts
 * that a blind signature would otherwise waste gas on. Used in two places:
 *   1. The standalone `simulate_transaction` MCP tool (agent-facing).
 *   2. `sendTransaction` just before forwarding to Ledger — a second-line
 *      safety net that refuses to sign a tx that will definitely revert.
 */
export declare function simulateTx(args: {
    chain: SupportedChain;
    from?: `0x${string}`;
    to: `0x${string}`;
    data?: `0x${string}`;
    value?: string;
}): Promise<SimulationResult>;
export declare function simulateTransaction(args: SimulateTransactionArgs): Promise<SimulationResult>;