update

internal/constant/constant.go

@@ -0,0 +1,44 @@
+package constant
+
+const (
+	STATUS_FAILED             = 0 // 失败
+	STATUS_SUCCESS            = 1 // 成功
+	STATUS_PENDING            = 2 // 待确认
+	STATUS_VERIFY_FAILED      = 3 // 验证失败
+	STATUS_BALANCE_NOT_ENOUGH = 4 // 钱包余额不足
+	STATUS_UNTRANSFER         = 5 // 未支付
+	STATUS_END                = 6 // 完成
+	STATUS_ERROR              = 7
+)
+const ETH_ERC20_USDT_CONTRACT_ADDRESS = "0xdAC17F958D2ee523a2206206994597C13D831ec7"
+const ETH_ERC20_ABI = `
+[
+  {
+    "constant": true,
+    "inputs": [{"name": "_owner", "type": "address"}],
+    "name": "balanceOf",
+    "outputs": [{"name": "balance", "type": "uint256"}],
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {"name": "_to", "type": "address"},
+      {"name": "_value", "type": "uint256"}
+    ],
+    "name": "transfer",
+    "outputs": [{"name": "", "type": "bool"}],
+    "type": "function"
+  },
+  {
+    "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"
+  }
+]
+`