ERC20 to ERC777 Wrapper

WHAT IT DOES

ERC20 to ERC777 Wrapper is a non-custodial tool that converts standard ERC20 tokens into ERC777 tokens with enhanced functionality and operator support. It reads ERC20 token contract state, ERC777 wrapper contract state, user address, token balances, wrap parameters, deposit amount, operator address, user's wrapped balance, approval status, fee structure, settlement state, and token supply to structure the optimal wrap operation. With a single transaction, it calls wrapERC20ToERC777(), depositAndMint777(), or executeERC20Wrapper() on the target contract, depositing ERC20 tokens and receiving ERC777 tokens with advanced features. ERC777 tokens offer enhanced capabilities including operator delegation, hooks, and more efficient transfers.

HOW TO USE

1. Connect your wallet (EVM-compatible).

2. Paste the ERC20 token address and the ERC777 wrapper contract address.

3. Enter the deposit amount in ERC20 tokens.

4. Optionally specify an operator address (leave blank for your wallet).

5. Review the ERC20 balance, ERC777 balance, approval status, and token supply.

6. Click "wrap ERC20 to ERC777" and confirm the transaction in your wallet.

The tool automatically handles ERC20 token approvals before execution. After the transaction confirms, your ERC20 tokens are converted to ERC777 tokens—no centralized custody, no intermediaries. The ERC777 tokens can be used in protocols that support this enhanced standard.

TECHNICAL MECHANISM: MULTI-FUNCTION FALLBACK WITH AUTO-APPROVAL

Unlike simple transaction builders that assume a single function signature, this tool implements a multi-function fallback strategy. It first attempts wrapERC20ToERC777(), then falls back to depositAndMint777() or executeERC20Wrapper() if the primary method fails—automatically adapting to different contract implementations without requiring the user to know the exact function name. For all on-chain reads, it uses chunked block range scanning that halves on failure, preventing the common "eth_getLogs limit exceeded" error that halts most scanners on public RPCs. It double-verifies approval status by checking the current allowance from storage, rather than relying on historical Approval events—because an event log proves an approval happened, not that it still stands. Gas estimation uses receipt.effectiveGasPrice for accurate post-EIP-1559 cost accounting, and all batched operations are sequential with concurrency caps to avoid nonce conflicts. The tool also validates that the deposit amount does not exceed the user's ERC20 balance and that the operator address is properly formatted before execution.

WHAT IT CANNOT SEE

This tool cannot verify that the ERC20 or ERC777 contract is legitimate or has not been compromised. It cannot detect if either contract has been manipulated. It cannot ensure that wrapping will execute at the optimal gas price due to network conditions. It cannot guarantee that wrapping will succeed if either contract is paused or frozen. It cannot verify that either contract has not been upgraded or modified. It cannot detect if the trade path is optimal or not front-run. It cannot recover funds if execution fails due to contract bugs or insufficient approval. It cannot verify that the deposit amount is valid or not. It cannot predict market movements, price gaps, or flash crashes. It cannot guarantee execution during extreme network congestion or volatile market conditions. It cannot detect if any underlying system has been compromised. It cannot prevent the user from canceling or modifying wrap parameters. It cannot ensure that the wrapping will be processed. It cannot protect against loss if wrapping is rejected. It cannot verify that the ERC20 balance is sufficient. It cannot guarantee that the ERC777 tokens will be received. It cannot ensure that operator permissions are correctly set. It cannot provide advice on when to wrap.

PLEASE NOTE

This tool operates only on EVM-compatible chains (Ethereum Mainnet, Polygon, Arbitrum, Optimism, etc.). It is non-custodial—you retain full control of your funds at all times. Always verify contract addresses and wrap parameters before executing. Wrapping is irreversible—once converted, ERC20 tokens are locked and ERC777 tokens are minted. The tool is provided as-is; use at your own risk.