@lifi/sdk/src/_esm/core/EVM/permits/getPermitTransferFromValues.js

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

import { readContract } from 'viem/actions';
import { permit2ProxyAbi } from '../abi.js';
import { getActionWithFallback } from '../getActionWithFallback.js';
export const getPermitTransferFromValues = async (client, chain, tokenAddress, amount) => {
    const nonce = await getActionWithFallback(client, readContract, 'readContract', {
        address: chain.permit2Proxy,
        abi: permit2ProxyAbi,
        functionName: 'nextNonce',
        args: [client.account.address],
    });
    return {
        permitted: {
            token: tokenAddress,
            amount: amount,
        },
        spender: chain.permit2Proxy,
        nonce: nonce,
        deadline: BigInt(Math.floor(Date.now() / 1000) + 30 * 60), // 30 minutes
    };
};
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