Order Matching Trigger Tool
Free to download on every platform. Comes pre-installed on BotFone, BotPad and BotFlip — with extra free apps included.
About this app
WHAT IT DOES
Order Matching Trigger Tool is a non-custodial tool that triggers order matching in on-chain order books, matching buy and sell orders to facilitate trade execution and liquidity provision. It reads order matching contract state, user address, token balances, match parameters, base token address, quote token address, matchable orders, order book state, current best bid/ask, liquidity depth, match eligibility, order type, match window, user's match history, fee structure, and settlement status to structure the optimal matching operation. With a single transaction, it calls matchOrders(), executeOrderMatching(), or triggerMatch() on the target contract, matching buy and sell orders in the order book. The tool supports configurable order count and max price deviation parameters.
HOW TO USE
1. Connect your wallet (EVM-compatible).
2. Paste the order matching contract address.
3. Enter the base token address and quote token address.
4. Set the number of orders to match and max price deviation percentage.
5. Review the matchable orders, liquidity depth, fee structure, and settlement status.
6. Click "trigger order matching" and confirm the transaction in your wallet.
The tool checks match eligibility and settlement status before execution to prevent failed transactions. After the transaction confirms, order matching is triggered on-chain—no centralized custody, no intermediaries. Buy and sell orders are matched at the current best available prices.
TECHNICAL MECHANISM: MULTI-FUNCTION FALLBACK WITH ELIGIBILITY VERIFICATION
Unlike simple transaction builders that assume a single function signature, this tool implements a multi-function fallback strategy. It first attempts matchOrders(), then falls back to executeOrderMatching() or triggerMatch() 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 match eligibility by checking both the current order book state and settlement status from storage, rather than relying on historical events—because an event log proves orders were placed, not that they can currently be matched. 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 order count is within acceptable ranges and that the max price deviation provides adequate price protection before execution.
WHAT IT CANNOT SEE
This tool cannot verify that the order matching contract is legitimate or has not been compromised. It cannot detect if the order book has been manipulated. It cannot ensure that matching will execute at the optimal price due to market conditions. It cannot guarantee that matching will succeed if the contract is paused or frozen. It cannot verify that the 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 matchable orders are 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 the underlying trading pair has been compromised. It cannot prevent the user from canceling or modifying matching parameters. It cannot ensure that orders will be matched correctly. It cannot protect against loss if matching executes at unfavorable price. It cannot verify that the matching window is open. It cannot guarantee that all orders will be matched. It cannot ensure that fee structures will remain stable.
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, token addresses, and matching parameters before executing. Order matching is subject to market conditions and may not fill all orders. The tool is provided as-is; use at your own risk.