interchain-token-sdk/dist/utils/gasEstimation.js

SDK for deploying and managing interchain tokens across multiple chains using Axelar network

import { encodeFunctionData } from 'viem';
import { INTERCHAIN_PROXY_CONTRACT_ABI } from '../constants/constants.js';
import { estimateRemoteDeploymentGas as baseEstimateGas } from '../actions/interchainTokenManager.js';
import { validateChain } from '../config/chains.js';
import { generateRandomSalt } from '../utils/salt.js';
/**
 * Estimates gas required for deploying a new token to a remote chain
 * @param sourceChainName - Name of the source chain (e.g., "base-sepolia")
 * @param destinationChain - Name of the destination chain
 * @returns Estimated gas amount in wei
 */
export async function estimateNewTokenDeploymentGas(sourceChainName, destinationChain) {
    validateChain(destinationChain);
    // Generate a random salt for gas estimation
    const salt = generateRandomSalt();
    // Encode the deployment function data
    // Note: For gas estimation, we only need the basic parameters
    // The actual deployment will handle the full token details
    const executeData = encodeFunctionData({
        abi: INTERCHAIN_PROXY_CONTRACT_ABI,
        functionName: 'deployRemoteInterchainToken',
        args: [
            salt, // Use the generated bytes32 salt
            destinationChain,
            BigInt(0) // gas value
        ]
    });
    return baseEstimateGas(sourceChainName, destinationChain, executeData);
}
/**
 * Estimates gas required for deploying an existing token to a remote chain
 * @param sourceChainName - Name of the source chain (e.g., "base-sepolia")
 * @param destinationChain - Name of the destination chain
 * @param tokenAddress - Address of the existing token to be deployed
 * @returns Estimated gas amount in wei
 */
export async function estimateExistingTokenDeploymentGas(sourceChainName, destinationChain, tokenAddress) {
    validateChain(destinationChain);
    // Encode the deployment function data
    const executeData = encodeFunctionData({
        abi: INTERCHAIN_PROXY_CONTRACT_ABI,
        functionName: 'deployRemoteCanonicalInterchainToken',
        args: [
            tokenAddress,
            destinationChain,
            BigInt(0) // placeholder gas value
        ]
    });
    return baseEstimateGas(sourceChainName, destinationChain, executeData);
}