From f9e76a3dfbf8803ea7e2dabf83bf041bb554118e Mon Sep 17 00:00:00 2001
From: Chris Troutner <chris.troutner@gmail.com>
Date: Sat, 26 Mar 2022 20:31:34 -0700
Subject: [PATCH] fix(createOffer()): Prevening duplicate Offers from being
 created

---
 src/adapters/index.js        | 2 +-
 src/use-cases/offer/index.js | 8 ++++++++
 src/use-cases/order.js       | 4 ++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/adapters/index.js b/src/adapters/index.js
index 3501e77..0007287 100644
--- a/src/adapters/index.js
+++ b/src/adapters/index.js
@@ -77,7 +77,7 @@ class Adapters {
 
       // Open the wallet file
       const walletData = await this.wallet.openWallet()
-      console.log('walletData: ', walletData)
+      // console.log('walletData: ', walletData)
 
       // Instance the wallet.
       await this.wallet.instanceWallet(walletData, this.bchjs)
diff --git a/src/use-cases/offer/index.js b/src/use-cases/offer/index.js
index 43dc2e9..489fc82 100644
--- a/src/use-cases/offer/index.js
+++ b/src/use-cases/offer/index.js
@@ -46,6 +46,14 @@ class OfferUseCases {
     try {
       console.log('Use Case createOffer(offerObj): ', offerObj)
 
+      // Return if Offer already exists in database with the same P2WDB CID.
+      try {
+        await this.findOfferByHash(offerObj.hash)
+
+        console.log('Offer already found in local database.')
+        return false
+      } catch (err) { /* exit quietly */ }
+
       // console.log('this.adapters.bchjs: ', this.adapters.bchjs)
 
       // Input Validation
diff --git a/src/use-cases/order.js b/src/use-cases/order.js
index 31b766f..bb4a36e 100644
--- a/src/use-cases/order.js
+++ b/src/use-cases/order.js
@@ -35,11 +35,15 @@ class OrderLib {
       console.log('entryObj.makerAddr: ', entryObj.makerAddr)
 
       // Get Ticker for token ID.
+      // TODO: Move this below the orderEntity.validate() call.
       const tokenData = await this.adapters.wallet.bchWallet.getTxData([entryObj.tokenId])
       // console.log(`tokenData: ${JSON.stringify(tokenData, null, 2)}`)
       entryObj.ticker = tokenData[0].tokenTicker
 
       // Input Validation
+      // TODO: Remove ticker from validation.
+      // TODO: Rename validate() to inputValidate(). Create fullValidate() that
+      // validates a fully hydrated Order entity.
       const orderEntity = this.orderEntity.validate(entryObj)
       console.log('orderEntity: ', orderEntity)