Set targetConf on coop channel close

Author: tanx

src/action/channel.js

@@ -3,6 +3,7 @@
  * call the corresponding GRPC apis for channel management.
  */
 
+import { MED_TARGET_CONF } from '../config';
 import { toSatoshis, poll, getTimeTilAvailable } from '../helper';
 import * as log from './log';
 
@@ -316,6 +317,7 @@ class ChannelAction {
     const stream = this._grpc.sendStreamCommand('closeChannel', {
       channelPoint: this._parseChannelPoint(channelPoint),
       force,
+      targetConf: force ? undefined : MED_TARGET_CONF,
     });
     await new Promise((resolve, reject) => {
       stream.on('data', data => {

test/unit/action/channel.spec.js

@@ -356,6 +356,7 @@ describe('Action Channels Unit Tests', () => {
         .withArgs('closeChannel', {
           channelPoint: { fundingTxidStr: 'FFFF', outputIndex: 1 },
           force: false,
+          targetConf: 16,
         })
         .returns({ on: onStub });
       await channel.closeChannel({ channelPoint });
@@ -371,6 +372,7 @@ describe('Action Channels Unit Tests', () => {
         .withArgs('closeChannel', {
           channelPoint: { fundingTxidStr: 'FFFF', outputIndex: 1 },
           force: true,
+          targetConf: undefined,
         })
         .returns({ on: onStub });
       await channel.closeChannel({ channelPoint, force: true });