@getclave/lifi-sdk/dist/core/EVM/checkPermitSupport.d.ts

LI.FI Any-to-Any Cross-Chain-Swap SDK

import type { ExtendedChain } from '@lifi/types';
import type { Address } from 'viem';
export type PermitSupport = {
    /** Whether the token supports EIP-2612 native permits */
    nativePermitSupported: boolean;
    /** Whether Permit2 is available and has sufficient allowance */
    permit2AllowanceSufficient: boolean;
};
/**
 * Checks what permit types are supported for a token on a specific chain.
 * Checks in order:
 * 1. Native permit (EIP-2612) support
 * 2. Permit2 availability and allowance
 *
 * @param chain - The chain to check permit support on
 * @param tokenAddress - The token address to check
 * @param ownerAddress - The address that would sign the permit
 * @param amount - The amount to check allowance against for Permit2
 * @returns Object indicating which permit types are supported
 */
export declare const checkPermitSupport: ({ chain, tokenAddress, ownerAddress, amount, }: {
    chain: ExtendedChain;
    tokenAddress: Address;
    ownerAddress: Address;
    amount: bigint;
}) => Promise<PermitSupport>;
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