Delay unilateral exit and support send to onchain address (#117)

* add delay on redeem close + forfeit close

* increase default round lifetime (16 minutes min)

* add sequence to final pset

* update CLI and server to support delayed vtxos oncahin

* rename future to "locked"

* add configurable EXIT_DELAY variable

* renaming

* rename "close" --> "closure"

* rename "close" to "closure"

* error message config.go

server/api-spec/openapi/swagger/ark/v1/service.swagger.json

@@ -77,6 +77,28 @@
         ]
       }
     },
+    "/v1/info": {
+      "get": {
+        "operationId": "ArkService_GetInfo",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1GetInfoResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "tags": [
+          "ArkService"
+        ]
+      }
+    },
     "/v1/payment/claim": {
       "post": {
         "operationId": "ArkService_ClaimPayment",
@@ -203,28 +225,6 @@
         ]
       }
     },
-    "/v1/pubkey": {
-      "get": {
-        "operationId": "ArkService_GetPubkey",
-        "responses": {
-          "200": {
-            "description": "A successful response.",
-            "schema": {
-              "$ref": "#/definitions/v1GetPubkeyResponse"
-            }
-          },
-          "default": {
-            "description": "An unexpected error response.",
-            "schema": {
-              "$ref": "#/definitions/rpcStatus"
-            }
-          }
-        },
-        "tags": [
-          "ArkService"
-        ]
-      }
-    },
     "/v1/round/{txid}": {
       "get": {
         "operationId": "ArkService_GetRound",
@@ -367,11 +367,19 @@
         }
       }
     },
-    "v1GetPubkeyResponse": {
+    "v1GetInfoResponse": {
       "type": "object",
       "properties": {
         "pubkey": {
           "type": "string"
+        },
+        "lifetime": {
+          "type": "string",
+          "format": "int64"
+        },
+        "exitDelay": {
+          "type": "string",
+          "format": "int64"
         }
       }
     },