feat : Implement Uniswap-v1 (#552)

KyberNetwork · Oct 24, 2024 · ea7b4c9 · ea7b4c9
1 parent 860b8db
commit ea7b4c9
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diff --git a/pkg/liquidity-source/uniswap-v1/abis.go b/pkg/liquidity-source/uniswap-v1/abis.go
@@ -0,0 +1,42 @@
+package uniswapv1
+
+import (
+	"bytes"
+
+	"github.com/ethereum/go-ethereum/accounts/abi"
+)
+
+var (
+	erc20ABI           abi.ABI
+	uniswapExchangeABI abi.ABI
+	uniswapFactoryABI  abi.ABI
+	multicallABI       abi.ABI
+)
+
+func init() {
+	builder := []struct {
+		ABI  *abi.ABI
+		data []byte
+	}{
+		{
+			&erc20ABI, erc20ABIJson,
+		},
+		{
+			&uniswapExchangeABI, exchangeABIJson,
+		},
+		{
+			&uniswapFactoryABI, factoryABIJson,
+		},
+		{
+			&multicallABI, multicallABIJson,
+		},
+	}
+
+	for _, b := range builder {
+		var err error
+		*b.ABI, err = abi.JSON(bytes.NewReader(b.data))
+		if err != nil {
+			panic(err)
+		}
+	}
+}
diff --git a/pkg/liquidity-source/uniswap-v1/abis/ERC20.json b/pkg/liquidity-source/uniswap-v1/abis/ERC20.json
@@ -0,0 +1,222 @@
+[
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "name",
+    "outputs": [
+      {
+        "name": "",
+        "type": "string"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "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": "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": "decimals",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_owner",
+        "type": "address"
+      }
+    ],
+    "name": "balanceOf",
+    "outputs": [
+      {
+        "name": "balance",
+        "type": "uint256"
+      }
+    ],
+    "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": "_owner",
+        "type": "address"
+      },
+      {
+        "name": "_spender",
+        "type": "address"
+      }
+    ],
+    "name": "allowance",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "payable": true,
+    "stateMutability": "payable",
+    "type": "fallback"
+  },
+  {
+    "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"
+  }
+]
diff --git a/pkg/liquidity-source/uniswap-v1/abis/multicall.json b/pkg/liquidity-source/uniswap-v1/abis/multicall.json
@@ -0,0 +1,21 @@
+[
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "addr",
+        "type": "address"
+      }
+    ],
+    "name": "getEthBalance",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "balance",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  }
+]