diff --git a/app.js b/app.js
new file mode 100644
index 0000000..340f3b3
--- /dev/null
+++ b/app.js
@@ -0,0 +1,35 @@
+const express = require("express")
+const ETH = require("./src/chain/eth")
+
+const eth = new ETH()
+
+const app = express()
+const port = process.argv[2] || 12345
+
+app.get("/", (req, res) =>{
+    res.send("connect success")
+})
+
+app.post("/checkPayment/eth", async(req, res) =>{
+    const {coin, address, amount, ts} = req.body
+    let result
+    switch (coin) {
+        case "eth":
+            // 校验eth
+            break
+        case "usdt":
+            result = await eth.checkUSDTPaymentStatus(address, amount, ts)
+            break
+        case "usdc":
+            result = await eth.checkUSDCPaymentStatus(address, amount, ts)
+            break
+        default:
+            result = {code:-2, result:false, data:[]}
+            break
+    }
+    res.send(JSON.stringify(result))
+})
+
+app.listen(port, () =>{
+    console.log(`Balance Server Start At http://127.0.0.1:${port}`);
+})
\ No newline at end of file
diff --git a/src/abi/erc20usdc.json b/src/abi/erc20usdc.json
new file mode 100644
index 0000000..7f5844e
--- /dev/null
+++ b/src/abi/erc20usdc.json
@@ -0,0 +1,948 @@
+[{
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "owner",
+		"type": "address"
+	}, {
+		"indexed": true,
+		"internalType": "address",
+		"name": "spender",
+		"type": "address"
+	}, {
+		"indexed": false,
+		"internalType": "uint256",
+		"name": "value",
+		"type": "uint256"
+	}],
+	"name": "Approval",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "authorizer",
+		"type": "address"
+	}, {
+		"indexed": true,
+		"internalType": "bytes32",
+		"name": "nonce",
+		"type": "bytes32"
+	}],
+	"name": "AuthorizationCanceled",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "authorizer",
+		"type": "address"
+	}, {
+		"indexed": true,
+		"internalType": "bytes32",
+		"name": "nonce",
+		"type": "bytes32"
+	}],
+	"name": "AuthorizationUsed",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "_account",
+		"type": "address"
+	}],
+	"name": "Blacklisted",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "newBlacklister",
+		"type": "address"
+	}],
+	"name": "BlacklisterChanged",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "burner",
+		"type": "address"
+	}, {
+		"indexed": false,
+		"internalType": "uint256",
+		"name": "amount",
+		"type": "uint256"
+	}],
+	"name": "Burn",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "newMasterMinter",
+		"type": "address"
+	}],
+	"name": "MasterMinterChanged",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "minter",
+		"type": "address"
+	}, {
+		"indexed": true,
+		"internalType": "address",
+		"name": "to",
+		"type": "address"
+	}, {
+		"indexed": false,
+		"internalType": "uint256",
+		"name": "amount",
+		"type": "uint256"
+	}],
+	"name": "Mint",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "minter",
+		"type": "address"
+	}, {
+		"indexed": false,
+		"internalType": "uint256",
+		"name": "minterAllowedAmount",
+		"type": "uint256"
+	}],
+	"name": "MinterConfigured",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "oldMinter",
+		"type": "address"
+	}],
+	"name": "MinterRemoved",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": false,
+		"internalType": "address",
+		"name": "previousOwner",
+		"type": "address"
+	}, {
+		"indexed": false,
+		"internalType": "address",
+		"name": "newOwner",
+		"type": "address"
+	}],
+	"name": "OwnershipTransferred",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [],
+	"name": "Pause",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "newAddress",
+		"type": "address"
+	}],
+	"name": "PauserChanged",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "newRescuer",
+		"type": "address"
+	}],
+	"name": "RescuerChanged",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "from",
+		"type": "address"
+	}, {
+		"indexed": true,
+		"internalType": "address",
+		"name": "to",
+		"type": "address"
+	}, {
+		"indexed": false,
+		"internalType": "uint256",
+		"name": "value",
+		"type": "uint256"
+	}],
+	"name": "Transfer",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [{
+		"indexed": true,
+		"internalType": "address",
+		"name": "_account",
+		"type": "address"
+	}],
+	"name": "UnBlacklisted",
+	"type": "event"
+}, {
+	"anonymous": false,
+	"inputs": [],
+	"name": "Unpause",
+	"type": "event"
+}, {
+	"inputs": [],
+	"name": "CANCEL_AUTHORIZATION_TYPEHASH",
+	"outputs": [{
+		"internalType": "bytes32",
+		"name": "",
+		"type": "bytes32"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "DOMAIN_SEPARATOR",
+	"outputs": [{
+		"internalType": "bytes32",
+		"name": "",
+		"type": "bytes32"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "PERMIT_TYPEHASH",
+	"outputs": [{
+		"internalType": "bytes32",
+		"name": "",
+		"type": "bytes32"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "RECEIVE_WITH_AUTHORIZATION_TYPEHASH",
+	"outputs": [{
+		"internalType": "bytes32",
+		"name": "",
+		"type": "bytes32"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "TRANSFER_WITH_AUTHORIZATION_TYPEHASH",
+	"outputs": [{
+		"internalType": "bytes32",
+		"name": "",
+		"type": "bytes32"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "owner",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "spender",
+		"type": "address"
+	}],
+	"name": "allowance",
+	"outputs": [{
+		"internalType": "uint256",
+		"name": "",
+		"type": "uint256"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "spender",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "value",
+		"type": "uint256"
+	}],
+	"name": "approve",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "authorizer",
+		"type": "address"
+	}, {
+		"internalType": "bytes32",
+		"name": "nonce",
+		"type": "bytes32"
+	}],
+	"name": "authorizationState",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "account",
+		"type": "address"
+	}],
+	"name": "balanceOf",
+	"outputs": [{
+		"internalType": "uint256",
+		"name": "",
+		"type": "uint256"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "_account",
+		"type": "address"
+	}],
+	"name": "blacklist",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "blacklister",
+	"outputs": [{
+		"internalType": "address",
+		"name": "",
+		"type": "address"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "uint256",
+		"name": "_amount",
+		"type": "uint256"
+	}],
+	"name": "burn",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "authorizer",
+		"type": "address"
+	}, {
+		"internalType": "bytes32",
+		"name": "nonce",
+		"type": "bytes32"
+	}, {
+		"internalType": "uint8",
+		"name": "v",
+		"type": "uint8"
+	}, {
+		"internalType": "bytes32",
+		"name": "r",
+		"type": "bytes32"
+	}, {
+		"internalType": "bytes32",
+		"name": "s",
+		"type": "bytes32"
+	}],
+	"name": "cancelAuthorization",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "minter",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "minterAllowedAmount",
+		"type": "uint256"
+	}],
+	"name": "configureMinter",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "currency",
+	"outputs": [{
+		"internalType": "string",
+		"name": "",
+		"type": "string"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "decimals",
+	"outputs": [{
+		"internalType": "uint8",
+		"name": "",
+		"type": "uint8"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "spender",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "decrement",
+		"type": "uint256"
+	}],
+	"name": "decreaseAllowance",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "spender",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "increment",
+		"type": "uint256"
+	}],
+	"name": "increaseAllowance",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "string",
+		"name": "tokenName",
+		"type": "string"
+	}, {
+		"internalType": "string",
+		"name": "tokenSymbol",
+		"type": "string"
+	}, {
+		"internalType": "string",
+		"name": "tokenCurrency",
+		"type": "string"
+	}, {
+		"internalType": "uint8",
+		"name": "tokenDecimals",
+		"type": "uint8"
+	}, {
+		"internalType": "address",
+		"name": "newMasterMinter",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "newPauser",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "newBlacklister",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "newOwner",
+		"type": "address"
+	}],
+	"name": "initialize",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "string",
+		"name": "newName",
+		"type": "string"
+	}],
+	"name": "initializeV2",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "lostAndFound",
+		"type": "address"
+	}],
+	"name": "initializeV2_1",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "_account",
+		"type": "address"
+	}],
+	"name": "isBlacklisted",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "account",
+		"type": "address"
+	}],
+	"name": "isMinter",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "masterMinter",
+	"outputs": [{
+		"internalType": "address",
+		"name": "",
+		"type": "address"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "_to",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "_amount",
+		"type": "uint256"
+	}],
+	"name": "mint",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "minter",
+		"type": "address"
+	}],
+	"name": "minterAllowance",
+	"outputs": [{
+		"internalType": "uint256",
+		"name": "",
+		"type": "uint256"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "name",
+	"outputs": [{
+		"internalType": "string",
+		"name": "",
+		"type": "string"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "owner",
+		"type": "address"
+	}],
+	"name": "nonces",
+	"outputs": [{
+		"internalType": "uint256",
+		"name": "",
+		"type": "uint256"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "owner",
+	"outputs": [{
+		"internalType": "address",
+		"name": "",
+		"type": "address"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "pause",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "paused",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "pauser",
+	"outputs": [{
+		"internalType": "address",
+		"name": "",
+		"type": "address"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "owner",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "spender",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "value",
+		"type": "uint256"
+	}, {
+		"internalType": "uint256",
+		"name": "deadline",
+		"type": "uint256"
+	}, {
+		"internalType": "uint8",
+		"name": "v",
+		"type": "uint8"
+	}, {
+		"internalType": "bytes32",
+		"name": "r",
+		"type": "bytes32"
+	}, {
+		"internalType": "bytes32",
+		"name": "s",
+		"type": "bytes32"
+	}],
+	"name": "permit",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "from",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "to",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "value",
+		"type": "uint256"
+	}, {
+		"internalType": "uint256",
+		"name": "validAfter",
+		"type": "uint256"
+	}, {
+		"internalType": "uint256",
+		"name": "validBefore",
+		"type": "uint256"
+	}, {
+		"internalType": "bytes32",
+		"name": "nonce",
+		"type": "bytes32"
+	}, {
+		"internalType": "uint8",
+		"name": "v",
+		"type": "uint8"
+	}, {
+		"internalType": "bytes32",
+		"name": "r",
+		"type": "bytes32"
+	}, {
+		"internalType": "bytes32",
+		"name": "s",
+		"type": "bytes32"
+	}],
+	"name": "receiveWithAuthorization",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "minter",
+		"type": "address"
+	}],
+	"name": "removeMinter",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "contract IERC20",
+		"name": "tokenContract",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "to",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "amount",
+		"type": "uint256"
+	}],
+	"name": "rescueERC20",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "rescuer",
+	"outputs": [{
+		"internalType": "address",
+		"name": "",
+		"type": "address"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "symbol",
+	"outputs": [{
+		"internalType": "string",
+		"name": "",
+		"type": "string"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "totalSupply",
+	"outputs": [{
+		"internalType": "uint256",
+		"name": "",
+		"type": "uint256"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "to",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "value",
+		"type": "uint256"
+	}],
+	"name": "transfer",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "from",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "to",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "value",
+		"type": "uint256"
+	}],
+	"name": "transferFrom",
+	"outputs": [{
+		"internalType": "bool",
+		"name": "",
+		"type": "bool"
+	}],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "newOwner",
+		"type": "address"
+	}],
+	"name": "transferOwnership",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "from",
+		"type": "address"
+	}, {
+		"internalType": "address",
+		"name": "to",
+		"type": "address"
+	}, {
+		"internalType": "uint256",
+		"name": "value",
+		"type": "uint256"
+	}, {
+		"internalType": "uint256",
+		"name": "validAfter",
+		"type": "uint256"
+	}, {
+		"internalType": "uint256",
+		"name": "validBefore",
+		"type": "uint256"
+	}, {
+		"internalType": "bytes32",
+		"name": "nonce",
+		"type": "bytes32"
+	}, {
+		"internalType": "uint8",
+		"name": "v",
+		"type": "uint8"
+	}, {
+		"internalType": "bytes32",
+		"name": "r",
+		"type": "bytes32"
+	}, {
+		"internalType": "bytes32",
+		"name": "s",
+		"type": "bytes32"
+	}],
+	"name": "transferWithAuthorization",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "_account",
+		"type": "address"
+	}],
+	"name": "unBlacklist",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "unpause",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "_newBlacklister",
+		"type": "address"
+	}],
+	"name": "updateBlacklister",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "_newMasterMinter",
+		"type": "address"
+	}],
+	"name": "updateMasterMinter",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "_newPauser",
+		"type": "address"
+	}],
+	"name": "updatePauser",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [{
+		"internalType": "address",
+		"name": "newRescuer",
+		"type": "address"
+	}],
+	"name": "updateRescuer",
+	"outputs": [],
+	"stateMutability": "nonpayable",
+	"type": "function"
+}, {
+	"inputs": [],
+	"name": "version",
+	"outputs": [{
+		"internalType": "string",
+		"name": "",
+		"type": "string"
+	}],
+	"stateMutability": "view",
+	"type": "function"
+}]
\ No newline at end of file
diff --git a/src/abi/erc20usdt.json b/src/abi/erc20usdt.json
new file mode 100644
index 0000000..96214de
--- /dev/null
+++ b/src/abi/erc20usdt.json
@@ -0,0 +1,390 @@
+[
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "name",
+      "outputs": [{ "name": "", "type": "string" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "_upgradedAddress", "type": "address" }],
+      "name": "deprecate",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "_spender", "type": "address" },
+        { "name": "_value", "type": "uint256" }
+      ],
+      "name": "approve",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "deprecated",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "_evilUser", "type": "address" }],
+      "name": "addBlackList",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "totalSupply",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "_from", "type": "address" },
+        { "name": "_to", "type": "address" },
+        { "name": "_value", "type": "uint256" }
+      ],
+      "name": "transferFrom",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "upgradedAddress",
+      "outputs": [{ "name": "", "type": "address" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "", "type": "address" }],
+      "name": "balances",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "decimals",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "maximumFee",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "_totalSupply",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [],
+      "name": "unpause",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "_maker", "type": "address" }],
+      "name": "getBlackListStatus",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [
+        { "name": "", "type": "address" },
+        { "name": "", "type": "address" }
+      ],
+      "name": "allowed",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "paused",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "who", "type": "address" }],
+      "name": "balanceOf",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [],
+      "name": "pause",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "getOwner",
+      "outputs": [{ "name": "", "type": "address" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "owner",
+      "outputs": [{ "name": "", "type": "address" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "symbol",
+      "outputs": [{ "name": "", "type": "string" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "_to", "type": "address" },
+        { "name": "_value", "type": "uint256" }
+      ],
+      "name": "transfer",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "newBasisPoints", "type": "uint256" },
+        { "name": "newMaxFee", "type": "uint256" }
+      ],
+      "name": "setParams",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "amount", "type": "uint256" }],
+      "name": "issue",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "amount", "type": "uint256" }],
+      "name": "redeem",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [
+        { "name": "_owner", "type": "address" },
+        { "name": "_spender", "type": "address" }
+      ],
+      "name": "allowance",
+      "outputs": [{ "name": "remaining", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "basisPointsRate",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "", "type": "address" }],
+      "name": "isBlackListed",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "_clearedUser", "type": "address" }],
+      "name": "removeBlackList",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "MAX_UINT",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "newOwner", "type": "address" }],
+      "name": "transferOwnership",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "_blackListedUser", "type": "address" }],
+      "name": "destroyBlackFunds",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        { "name": "_initialSupply", "type": "uint256" },
+        { "name": "_name", "type": "string" },
+        { "name": "_symbol", "type": "string" },
+        { "name": "_decimals", "type": "uint256" }
+      ],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": false, "name": "amount", "type": "uint256" }],
+      "name": "Issue",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": false, "name": "amount", "type": "uint256" }],
+      "name": "Redeem",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": false, "name": "newAddress", "type": "address" }],
+      "name": "Deprecate",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": false, "name": "feeBasisPoints", "type": "uint256" },
+        { "indexed": false, "name": "maxFee", "type": "uint256" }
+      ],
+      "name": "Params",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": false, "name": "_blackListedUser", "type": "address" },
+        { "indexed": false, "name": "_balance", "type": "uint256" }
+      ],
+      "name": "DestroyedBlackFunds",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": false, "name": "_user", "type": "address" }],
+      "name": "AddedBlackList",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": false, "name": "_user", "type": "address" }],
+      "name": "RemovedBlackList",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": true, "name": "owner", "type": "address" },
+        { "indexed": true, "name": "spender", "type": "address" },
+        { "indexed": false, "name": "value", "type": "uint256" }
+      ],
+      "name": "Approval",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": true, "name": "from", "type": "address" },
+        { "indexed": true, "name": "to", "type": "address" },
+        { "indexed": false, "name": "value", "type": "uint256" }
+      ],
+      "name": "Transfer",
+      "type": "event"
+    },
+    { "anonymous": false, "inputs": [], "name": "Pause", "type": "event" },
+    { "anonymous": false, "inputs": [], "name": "Unpause", "type": "event" }
+]
\ No newline at end of file
diff --git a/src/abi/trc20usdt.json b/src/abi/trc20usdt.json
new file mode 100644
index 0000000..3fdb0b5
--- /dev/null
+++ b/src/abi/trc20usdt.json
@@ -0,0 +1,412 @@
+[
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "name",
+      "outputs": [{ "name": "", "type": "string" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "_upgradedAddress", "type": "address" }],
+      "name": "deprecate",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "_spender", "type": "address" },
+        { "name": "_value", "type": "uint256" }
+      ],
+      "name": "approve",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "deprecated",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "_evilUser", "type": "address" }],
+      "name": "addBlackList",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "totalSupply",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "_from", "type": "address" },
+        { "name": "_to", "type": "address" },
+        { "name": "_value", "type": "uint256" }
+      ],
+      "name": "transferFrom",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "upgradedAddress",
+      "outputs": [{ "name": "", "type": "address" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "decimals",
+      "outputs": [{ "name": "", "type": "uint8" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "maximumFee",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "_totalSupply",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [],
+      "name": "unpause",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "_maker", "type": "address" }],
+      "name": "getBlackListStatus",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "paused",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "_spender", "type": "address" },
+        { "name": "_subtractedValue", "type": "uint256" }
+      ],
+      "name": "decreaseApproval",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "who", "type": "address" }],
+      "name": "balanceOf",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "_value", "type": "uint256" }],
+      "name": "calcFee",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [],
+      "name": "pause",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "owner",
+      "outputs": [{ "name": "", "type": "address" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "symbol",
+      "outputs": [{ "name": "", "type": "string" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "_to", "type": "address" },
+        { "name": "_value", "type": "uint256" }
+      ],
+      "name": "transfer",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "who", "type": "address" }],
+      "name": "oldBalanceOf",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "newBasisPoints", "type": "uint256" },
+        { "name": "newMaxFee", "type": "uint256" }
+      ],
+      "name": "setParams",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "amount", "type": "uint256" }],
+      "name": "issue",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        { "name": "_spender", "type": "address" },
+        { "name": "_addedValue", "type": "uint256" }
+      ],
+      "name": "increaseApproval",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "amount", "type": "uint256" }],
+      "name": "redeem",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [
+        { "name": "_owner", "type": "address" },
+        { "name": "_spender", "type": "address" }
+      ],
+      "name": "allowance",
+      "outputs": [{ "name": "remaining", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "basisPointsRate",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [{ "name": "", "type": "address" }],
+      "name": "isBlackListed",
+      "outputs": [{ "name": "", "type": "bool" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "_clearedUser", "type": "address" }],
+      "name": "removeBlackList",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "MAX_UINT",
+      "outputs": [{ "name": "", "type": "uint256" }],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "newOwner", "type": "address" }],
+      "name": "transferOwnership",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [{ "name": "_blackListedUser", "type": "address" }],
+      "name": "destroyBlackFunds",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        { "name": "_initialSupply", "type": "uint256" },
+        { "name": "_name", "type": "string" },
+        { "name": "_symbol", "type": "string" },
+        { "name": "_decimals", "type": "uint8" }
+      ],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": true, "name": "_blackListedUser", "type": "address" },
+        { "indexed": false, "name": "_balance", "type": "uint256" }
+      ],
+      "name": "DestroyedBlackFunds",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": false, "name": "amount", "type": "uint256" }],
+      "name": "Issue",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": false, "name": "amount", "type": "uint256" }],
+      "name": "Redeem",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": false, "name": "newAddress", "type": "address" }],
+      "name": "Deprecate",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": true, "name": "_user", "type": "address" }],
+      "name": "AddedBlackList",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [{ "indexed": true, "name": "_user", "type": "address" }],
+      "name": "RemovedBlackList",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": false, "name": "feeBasisPoints", "type": "uint256" },
+        { "indexed": false, "name": "maxFee", "type": "uint256" }
+      ],
+      "name": "Params",
+      "type": "event"
+    },
+    { "anonymous": false, "inputs": [], "name": "Pause", "type": "event" },
+    { "anonymous": false, "inputs": [], "name": "Unpause", "type": "event" },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": true, "name": "previousOwner", "type": "address" },
+        { "indexed": true, "name": "newOwner", "type": "address" }
+      ],
+      "name": "OwnershipTransferred",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": true, "name": "owner", "type": "address" },
+        { "indexed": true, "name": "spender", "type": "address" },
+        { "indexed": false, "name": "value", "type": "uint256" }
+      ],
+      "name": "Approval",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        { "indexed": true, "name": "from", "type": "address" },
+        { "indexed": true, "name": "to", "type": "address" },
+        { "indexed": false, "name": "value", "type": "uint256" }
+      ],
+      "name": "Transfer",
+      "type": "event"
+    }
+  ]
+  
\ No newline at end of file
diff --git a/src/app.js b/src/app.js
new file mode 100644
index 0000000..6a327a2
--- /dev/null
+++ b/src/app.js
@@ -0,0 +1,32 @@
+const fs = require("fs")
+
+function loadConfig() {
+    const configPath = "./config.json";
+    if (!fs.existsSync(configPath)) {
+        throw new Error("Configuration file not found: " + configPath);
+    }
+    const configContent = fs.readFileSync(configPath, "utf-8");
+    if (!configContent) {
+        throw new Error("Configuration file is empty: " + configPath);
+    }
+    try {
+        return JSON.parse(configContent);
+    } catch (error) {
+        throw new Error("Error parsing configuration file: " + error.message);
+    }
+}
+
+class App {
+    constructor(){
+        const config = loadConfig();
+        this.ethNodeUrl = config.nodesUrl.ETH
+        const usdterc20_abi = JSON.parse(fs.readFileSync(config.abiPath.usdt_erc20_abi, "utf-8"));
+        const usdcerc20_abi = JSON.parse(fs.readFileSync(config.abiPath.usdc_erc20_abi, "utf-8"));
+        const usdttrc20_abi = JSON.parse(fs.readFileSync(config.abiPath.usdt_trc20_abi, "utf-8"));
+        this.abis = {usdcerc20_abi, usdterc20_abi, usdttrc20_abi};
+    }
+}
+
+const app = new App();
+
+module.exports = app;
\ No newline at end of file
diff --git a/src/chain/eth.js b/src/chain/eth.js
new file mode 100644
index 0000000..151cebd
--- /dev/null
+++ b/src/chain/eth.js
@@ -0,0 +1,174 @@
+const app = require("../app");
+const abiDecoder = require("abi-decoder");
+const Web3 = require("web3");
+const axios = require("axios");
+
+class ETH {
+    #key = "2KKTKZ8MSG6DNUPQ4K9JVWPQ4H33DSUQA3"
+    constructor(){
+        const apiUrl = app.ethNodeUrl
+        const usdt_abi = app.abis.usdterc20_abi;
+        const usdc_abi = app.abis.usdcerc20_abi;
+        this.web3 = new Web3(new Web3.providers.HttpProvider(apiUrl));
+        abiDecoder.addABI(usdt_abi);
+        abiDecoder.addABI(usdc_abi);
+        this.decoder = abiDecoder;
+    }
+
+    decodeInput(input){
+        try{
+            return this.decoder.decodeMethod(input);
+        } catch (error) {
+            console.error("Error decoding input data:", error);
+            return null;
+        }
+    }
+
+    async decodeTxInput(txHash) {
+        try{
+            const tx = await this.web3.eth.getTransaction(txHash);
+            if (!tx || !tx.input) {
+                console.error("Transaction not found or has no input data.");
+                return null;
+            }
+            return this.decodeInput(tx.input);
+        } catch (error) {
+            console.error("Error decoding transaction input:", error);
+            return null;
+        }
+    }
+
+    decodeUSDT(input){
+        const decoded = this.decodeInput(input)
+        const result = []
+        if (decoded && decoded.name === "transfer") {
+            for (let item of decoded.params) {
+                const obj = {}
+                if (item.name === "_to") {
+                    obj.toAddress = item.value;
+                }
+                if (item.name === "_value") {
+                    obj.amount = this.web3.utils.fromWei(item.value, "ether");
+                }
+                if (Object.keys(obj).length > 0) {
+                    result.push(obj);
+                }
+            }
+        }
+        return result;
+    }
+
+    decodeUSDC(input){
+        const decoded = this.decodeInput(input)
+        const result = []
+        if (decoded && decoded.name === "transfer") {
+            for (let item of decoded.params) {
+                const obj = {}
+                if (item.name === "to") {
+                    obj.toAddress = item.value;
+                }
+                if (item.name === "value") {
+                    obj.amount = this.web3.utils.fromWei(item.value, "mwei");
+                }
+                if (Object.keys(obj).length > 0) {
+                    result.push(obj);
+                }
+            }
+        }
+        return result;
+    }
+
+    async checkUSDTPaymentStatus(address, amount, ts){
+        const url = `${app.ethNodeUrl}
+        ?chainid=1
+        &module=account
+        &action=tokentx
+        &contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7
+        &address=${address}
+        &page=1
+        &offset=100
+        &startblock=0
+        &endblock=27025780
+        &sort=asc
+        &apikey=${this.#key}`
+        try {
+            const response = await axios.get(url);
+            const transactions = response.data.result;
+
+            if (!Array.isArray(transactions) || transactions.length === 0) {
+                return { code: -1, result: false, data: [] };
+            }
+
+            // 筛选时间戳 >= ts 的交易
+            const afterTimestampTxs = transactions.filter(tx => parseInt(tx.timeStamp) >= ts);
+
+            if (afterTimestampTxs.length === 0) {
+                return { code: -1, result: false, data: [] };
+            }
+
+            // 筛选出金额等于指定值的交易（USDT 最小单位是 6 位）
+            const matchedTxs = afterTimestampTxs.filter(tx => parseFloat(tx.value) / 1_000_000 === amount && tx.functionName === "transfer(address _to, uint256 _value)");
+
+            if (matchedTxs.length === 0) {
+                return { code: -1, result: false, data: [] };
+            }
+
+            return {
+                code: 0,
+                result: true,
+                data: matchedTxs.length === 1 ? matchedTxs[0] : matchedTxs,
+            };
+        } catch (error) {
+            console.error("Error fetching transactions:", error);
+            return {code:-1, result: false, data:[]};
+        }
+    }
+
+    async checkUSDCPaymentStatus(address, amount, ts) {
+        const url = `${app.ethNodeUrl}
+        ?chainid=1
+        &module=account
+        &action=tokentx
+        &contractaddress=0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48
+        &address=${address}
+        &page=1
+        &offset=100
+        &startblock=0
+        &endblock=27025780
+        &sort=asc
+        &apikey=${this.#key}`
+        try{
+            const response = await axios.get(url);
+            const transactions = response.data.result;
+
+            if (!Array.isArray(transactions) || transactions.length === 0) {
+                return { code: -1, result: false, data: [] };
+            }
+
+            // 筛选时间戳 >= ts 的交易
+            const afterTimestampTxs = transactions.filter(tx => parseInt(tx.timeStamp) >= ts);
+
+            if (afterTimestampTxs.length === 0) {
+                return { code: -1, result: false, data: [] };
+            }
+
+            // 筛选出金额等于指定值的交易（USDT 最小单位是 6 位）
+            const matchedTxs = afterTimestampTxs.filter(tx => parseFloat(tx.value) / 1_000_000 === amount && tx.functionName === "transfer(address _to, uint256 _value)");
+
+            if (matchedTxs.length === 0) {
+                return { code: -1, result: false, data: [] };
+            }
+
+            return {
+                code: 0,
+                result: true,
+                data: matchedTxs.length === 1 ? matchedTxs[0] : matchedTxs,
+            };
+        } catch (error) {
+            console.error("Error fetching transactions:", error);
+            return {code:-1, result: false, data:[]};
+        }
+    }
+}
+
+module.exports = ETH
\ No newline at end of file
diff --git a/src/config.json b/src/config.json
new file mode 100644
index 0000000..9152086
--- /dev/null
+++ b/src/config.json
@@ -0,0 +1,10 @@
+{
+    "nodesUrl": {
+        "ETH": "https://api.etherscan.io/v2/api"
+    },
+    "abiPath": {
+        "usdt_erc20_abi": "./abi/erc20usdt.json",
+        "usdc_erc20_abi": "./abi/erc20usdc.json",
+        "usdt_trc20_abi": "./abi/trc20usdt.json"
+    }
+}
\ No newline at end of file
diff --git a/wallet b/wallet
new file mode 160000
index 0000000..94bd816
--- /dev/null
+++ b/wallet
@@ -0,0 +1 @@
+Subproject commit 94bd816ecb424138d5fcf99f568505ec9d466d08