feat: add valuedefi vfarm

Author: Coac

src/providers/BSCDeFi.js

@@ -37,7 +37,8 @@ class BSCDeFi extends AbstractExplorer {
       pancakeSwap: new PancakeSwapChef(web3),
       ramen: new PancakeSwapCloneChef(web3, '0x97dd424b4628c8d3bd7fcf3a4e974cebba011651', 'pendingCake', 'RAMEN'),
       saltSwap: new PancakeSwapCloneChef(web3, '0xB4405445fFAcF2B86BC2bD7D1C874AC739265658', 'pendingSalt', 'SALT'),
-      slime: new PancakeSwapCloneChef(web3, '0x4B0073A79f2b46Ff5a62fA1458AAc86Ed918C80C', 'pendingReward', 'SLIME')
+      slime: new PancakeSwapCloneChef(web3, '0x4B0073A79f2b46Ff5a62fA1458AAc86Ed918C80C', 'pendingReward', 'SLIME', 'slimesPerBlock'),
+      valueDefi: new PancakeSwapCloneChef(web3, '0xd56339F80586c08B7a4E3a68678d16D37237Bd96', 'pendingReward', 'vBSWAP', 'getCurrentRewardPerBlock')
     }
   }
 

src/providers/bsc/MasterChef.js

@@ -96,24 +96,29 @@ class MasterChef {
     return await this.contract.methods.poolLength().call()
   }
 
-  async listStakedPools (walletAddress, tx) {
-    const poolLength = await this.getPoolLength()
-    this.totalAllocPoint = await this.contract.methods.totalAllocPoint().call()
-
+  async getRewardPerBlock () {
     try {
-      this.rewardPerBlock = await this.contract.methods[this.pendingSymbol.toLowerCase() + 'PerBlock']().call()
+      return await this.contract.methods[this.pendingSymbol.toLowerCase() + 'PerBlock']().call()
     } catch (e) {
       try {
-        this.rewardPerBlock = await this.contract.methods[this.pendingSymbol + 'PerBlock']().call()
+        return await this.contract.methods[this.pendingSymbol + 'PerBlock']().call()
       } catch (e) {
         try {
           const ABISymbol = this.pendingMethodName.replace('pending', '').toLowerCase()
-          this.rewardPerBlock = await this.contract.methods[ABISymbol + 'PerBlock']().call()
+          return await this.contract.methods[ABISymbol + 'PerBlock']().call()
         } catch (e) {
-          this.rewardPerBlock = 0
+          console.warn('Pending reward method not found. rewardPerYear is not correctly calculated.', this.address)
+          return 0
         }
       }
     }
+  }
+
+  async listStakedPools (walletAddress, tx) {
+    const poolLength = await this.getPoolLength()
+    this.totalAllocPoint = await this.contract.methods.totalAllocPoint().call()
+
+    this.rewardPerBlock = await this.getRewardPerBlock()
 
     let pools = []
     for (let poolID = 1; poolID < poolLength; poolID++) {

src/providers/bsc/PancakeSwapCloneChef.js

@@ -4,13 +4,22 @@ const MasterChef = require('./MasterChef')
 const pancakeSwapABI = require('../resources/abis/pancakeSwap.json')
 
 class PancakeSwapCloneChef extends MasterChef {
-  constructor (web3, address, pendingMethodName, tokenSymbol) {
+  constructor (web3, address, pendingMethodName, tokenSymbol, rewardPerBlockName = '') {
     const ABISymbol = pendingMethodName.replace('pending', '').toLowerCase()
-
+    rewardPerBlockName = rewardPerBlockName !== '' ? rewardPerBlockName : ABISymbol + 'PerBlock'
     const newChefABI = pancakeSwapABI
       .map(replaceABIMap('pendingCake', pendingMethodName))
-      .map(replaceABIMap('cakePerBlock', ABISymbol + 'PerBlock'))
+      .map(replaceABIMap('cakePerBlock', rewardPerBlockName))
     super(web3, newChefABI, address, pendingMethodName, tokenSymbol)
+    this.rewardPerBlockName = rewardPerBlockName
+  }
+
+  async getRewardPerBlock () {
+    try {
+      return await this.contract.methods[this.rewardPerBlockName]().call()
+    } catch (e) {
+      return await MasterChef.prototype.getRewardPerBlock.call(this)
+    }
   }
 }