add pledge internal transfer after back-project

app/components/projects/BackProject.jsx

@@ -55,8 +55,10 @@ const SubmissionSection = ({ classes, profiles, delegatePledges, projectId, open
       initialValues={{ amount: '', delegateProfile: '', delegatePledge: '' }}
       onSubmit={async(values, { resetForm }) => {
         const { amount, delegateProfile, delegatePledge } = values
+        const dPledge = delegatePledges.find(d => d.idPledge === delegatePledge)
+        const pledge = await dPledge.pledge.fetch()
         const args = [delegateProfile.idProfile, delegatePledge, toWei(amount), projectId]
-        console.log({values, args})
+        console.log({values, args, pledge, delegatePledge})
         const toSend = transfer(...args)
         const estimatedGas = await toSend.estimateGas()
 
@@ -68,15 +70,15 @@ const SubmissionSection = ({ classes, profiles, delegatePledges, projectId, open
             if (Array.isArray(Transfer)) {
               Transfer.forEach(async t => {
                 const { to, amount } = t.returnValues
-                //await pledge.transferTo(to, amount)
+                await pledge.transferTo(to, amount)
               })
             } else {
               const { to, amount } = Transfer.returnValues
-              //await pledge.transferTo(to, amount)
+              await pledge.transferTo(to, amount)
             }
           })
           .catch(e => {
-            openSnackBar('error', e)
+            openSnackBar('error', 'An error has occured with the transaction')
             console.log({e})
           })
           .finally(() => {

app/model/pledge.js

@@ -22,19 +22,25 @@ export default class Pledge extends LiquidModel {
   @json('delegates', sanitizeValues) delegates
 
   @action async transferTo(to, amount) {
+    //TODO check if exists then update or create.
     const toPledgeQuery = await this.collections.get('pledges').query(
       Q.where('pledge_id', to)
     ).fetch()
     const toPledge = toPledgeQuery[0]
-    await this.batch(
+    const args = [
       this.prepareUpdate(pledge => {
         pledge.amount = (BigInt(pledge.amount) - BigInt(amount)).toString()
-      }),
+      })
+    ]
+    if (toPledge) {
+      args.push(
         toPledge.prepareUpdate(pledge => {
           pledge.amount = (BigInt(pledge.amount) + BigInt(amount)).toString()
         })
       )
     }
+    await this.batch(...args)
+  }
 
   @action async updateFields(newPledge) {
     const { amount, nDelegates, pledgeState, blockNumber } = newPledge