fix(wallet-tools): select among >1 pending invitations

contract/test/wallet-tools.js

@@ -65,7 +65,9 @@ export const mockWalletFactory = (
           throw Error(`brand not known/supported: ${pBrand}`);
         const purse = purseByBrand.get(pBrand);
         assert(purse);
-        return E(purse).deposit(pmt);
+        const amt = await E(purse).deposit(pmt);
+        console.log('receive', address, amt);
+        return amt;
       },
     });
     await E(addressAdmin).default(DEPOSIT_FACET_KEY, depositFacet);
@@ -83,12 +85,17 @@ export const mockWalletFactory = (
     const getPurseInvitation = async invitationSpec => {
       //   const { instance, description } = invitationSpec;
       const invitationAmount = await E(invitationPurse).getCurrentAmount();
-      console.log(
-        'TODO: check invitation amount against instance',
-        invitationAmount,
-        invitationSpec,
+      // TODO: check instance too
+      const detail = invitationAmount.value.find(
+        d => d.description === invitationSpec.description,
+      );
+      detail ||
+        Fail`${q(invitationSpec.description)} not found in ${q(
+          invitationAmount,
+        )}`;
+      return E(invitationPurse).withdraw(
+        harden({ brand: invitationAmount.brand, value: [detail] }),
       );
-      return E(invitationPurse).withdraw(invitationAmount);
     };
 
     const offerToInvitationMakers = new Map();