diff --git a/config/aave.ts b/config/aave.ts
index 3c8923c2..1f769d78 100644
--- a/config/aave.ts
+++ b/config/aave.ts
@@ -1,8 +1,29 @@
 import BigNumber from 'bignumber.js';
-import {oneRay} from '../helpers/constants';
+import {oneRay, ZERO_ADDRESS} from '../helpers/constants';
 import {IAaveConfiguration, EthereumNetwork, eEthereumNetwork} from '../helpers/types';
 
 import {CommonsConfig} from './commons';
+import {
+  stablecoinStrategyBUSD,
+  stablecoinStrategyDAI,
+  stablecoinStrategySUSD,
+  stablecoinStrategyTUSD,
+  stablecoinStrategyUSDC,
+  stablecoinStrategyUSDT,
+  strategyAAVE,
+  strategyBase,
+  strategyKNC,
+  strategyLINK,
+  strategyMANA,
+  strategyMKR,
+  strategyREN,
+  strategyREP,
+  strategySNX,
+  strategyUNI,
+  strategyWBTC,
+  strategyWETH,
+  strategyYFI,
+} from './reservesConfigs';
 
 // ----------------
 // POOL--SPECIFIC PARAMS
@@ -12,247 +33,28 @@ export const AaveConfig: IAaveConfiguration = {
   ...CommonsConfig,
   ConfigName: 'Aave',
   ProviderId: 1,
-  ReserveSymbols: [
-    'WETH',
-    'DAI',
-    'LEND',
-    'TUSD',
-    'BAT',
-    'USDC',
-    'USDT',
-    'SUSD',
-    'ZRX',
-    'MKR',
-    'WBTC',
-    'LINK',
-    'KNC',
-    'MANA',
-    'REP',
-    'SNX',
-    'BUSD',
-  ],
   ReservesConfig: {
-    DAI: {
-      baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.05).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.16).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '7500',
-      liquidationThreshold: '8000',
-      liquidationBonus: '10500',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    TUSD: {
-      baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.04).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.14).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '7500',
-      liquidationThreshold: '8000',
-      liquidationBonus: '10500',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    USDC: {
-      baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.04).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.16).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '7500',
-      liquidationThreshold: '8000',
-      liquidationBonus: '10500',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '6',
-    },
-    USDT: {
-      baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.04).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.14).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '-1',
-      liquidationThreshold: '8000',
-      liquidationBonus: '10500',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '6',
-    },
-    SUSD: {
-      baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.04).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.14).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '-1',
-      liquidationThreshold: '8000',
-      liquidationBonus: '10500',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: false,
-      reserveDecimals: '18',
-    },
-    LEND: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6000',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11500',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    BAT: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6000',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    WETH: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '7500',
-      liquidationThreshold: '8000',
-      liquidationBonus: '10500',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    LINK: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6500',
-      liquidationThreshold: '7000',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    WBTC: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6000',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11500',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '8',
-    },
-    KNC: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6000',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    REP: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6000',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    MKR: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6000',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    MANA: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6000',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    ZRX: {
-      baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '6000',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: true,
-      reserveDecimals: '18',
-    },
-    SNX: {
-      baseVariableBorrowRate: new BigNumber(0.03).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.12).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '-1',
-      liquidationThreshold: '6500',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: false,
-      reserveDecimals: '18',
-    },
-    BUSD: {
-      baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
-      variableRateSlope1: new BigNumber(0.04).multipliedBy(oneRay).toFixed(),
-      variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
-      stableRateSlope1: new BigNumber(0.14).multipliedBy(oneRay).toFixed(),
-      stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
-      baseLTVAsCollateral: '-1',
-      liquidationThreshold: '8000',
-      liquidationBonus: '11000',
-      borrowingEnabled: true,
-      stableBorrowRateEnabled: false,
-      reserveDecimals: '18',
-    },
+    DAI: stablecoinStrategyDAI,
+    TUSD: stablecoinStrategyTUSD,
+    USDC: stablecoinStrategyUSDC,
+    USDT: stablecoinStrategyUSDT,
+    SUSD: stablecoinStrategySUSD,
+    AAVE: strategyAAVE,
+    BAT: strategyBase,
+    WETH: strategyWETH,
+    LINK: strategyLINK,
+    WBTC: strategyWBTC,
+    KNC: strategyKNC,
+    REP: strategyREP,
+    MKR: strategyMKR,
+    MANA: strategyMANA,
+    ZRX: strategyBase,
+    SNX: strategySNX,
+    YFI: strategyYFI,
+    UNI: strategyUNI,
+    BUSD: stablecoinStrategyBUSD,
+    REN: strategyREN,
+    ENJ: strategyREN,
   },
   ReserveAssets: {
     [eEthereumNetwork.buidlerevm]: {},
@@ -264,7 +66,7 @@ export const AaveConfig: IAaveConfiguration = {
       USDC: '0xe22da380ee6B445bb8273C81944ADEB6E8450422',
       USDT: '0x13512979ADE267AB5100878E2e0f485B568328a4',
       SUSD: '0xD868790F57B39C9B2B51b12de046975f986675f9',
-      LEND: '0x690eAcA024935Aaff9B14b9FF9e9C8757a281f3C',
+      AAVE: '0xB597cd8D3217ea6477232F9217fa70837ff667Af',
       BAT: '0x2d12186Fbb9f9a8C28B3FfdD4c42920f8539D738',
       REP: '0x260071C8D61DAf730758f8BD0d6370353956AE0E',
       MKR: '0x61e4CAE3DA7FD189e52a4879C7B8067D7C2Cc0FA',
@@ -275,6 +77,10 @@ export const AaveConfig: IAaveConfiguration = {
       ZRX: '0xD0d76886cF8D952ca26177EB7CfDf83bad08C00C',
       SNX: '0x7FDb81B0b8a010dd4FFc57C3fecbf145BA8Bd947',
       BUSD: '0x4c6E1EFC12FDfD568186b7BAEc0A43fFfb4bCcCf',
+      REN: '0x5eebf65A6746eed38042353Ba84c8e37eD58Ac6f',
+      YFI: '0xb7c325266ec274fEb1354021D27FA3E3379D840d',
+      UNI: '0x075A36BA8846C6B6F53644fDd3bf17E5151789DC',
+      ENJ: '0xC64f90Cd7B564D3ab580eb20a102A8238E218be2',
     },
     [EthereumNetwork.ropsten]: {
       WETH: '0xc778417e063141139fce010982780140aa0cd5ab',
@@ -283,7 +89,7 @@ export const AaveConfig: IAaveConfiguration = {
       USDC: '0x851dEf71f0e6A903375C1e536Bd9ff1684BAD802',
       USDT: '0xB404c51BBC10dcBE948077F18a4B8E553D160084',
       SUSD: '0xc374eB17f665914c714Ac4cdC8AF3a3474228cc5',
-      LEND: '0xB47F338EC1e3857BB188E63569aeBAB036EE67c6',
+      AAVE: '',
       BAT: '0x85B24b3517E3aC7bf72a14516160541A60cFF19d',
       REP: '0xBeb13523503d35F9b3708ca577CdCCAdbFB236bD',
       MKR: '0x2eA9df3bABe04451c9C3B06a2c844587c59d9C37',
@@ -294,6 +100,10 @@ export const AaveConfig: IAaveConfiguration = {
       ZRX: '0x02d7055704EfF050323A2E5ee4ba05DB2A588959',
       SNX: '0xF80Aa7e2Fda4DA065C55B8061767F729dA1476c7',
       BUSD: '0xFA6adcFf6A90c11f31Bc9bb59eC0a6efB38381C6',
+      REN: ZERO_ADDRESS,
+      YFI: ZERO_ADDRESS,
+      UNI: ZERO_ADDRESS,
+      ENJ: ZERO_ADDRESS,
     },
     [EthereumNetwork.main]: {
       WETH: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
@@ -302,7 +112,7 @@ export const AaveConfig: IAaveConfiguration = {
       USDC: '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48',
       USDT: '0xdac17f958d2ee523a2206206994597c13d831ec7',
       SUSD: '0x57ab1ec28d129707052df4df418d58a2d46d5f51',
-      LEND: '0x80fB784B7eD66730e8b1DBd9820aFD29931aab03',
+      AAVE: '0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9',
       BAT: '0x0d8775f648430679a709e98d2b0cb6250d2887ef',
       REP: '0x1985365e9f78359a9B6AD760e32412f4a445E862',
       MKR: '0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2',
@@ -313,6 +123,10 @@ export const AaveConfig: IAaveConfiguration = {
       ZRX: '0xe41d2489571d322189246dafa5ebde1f4699f498',
       SNX: '0xC011a73ee8576Fb46F5E1c5751cA3B9Fe0af2a6F',
       BUSD: '0x4Fabb145d64652a948d72533023f6E7A623C7C53',
+      REN: '0x408e41876cCCDC0F92210600ef50372656052a38',
+      YFI: '0x0bc529c00C6401aEF6D220BE8C6Ea1667F6Ad93e',
+      UNI: '0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984',
+      ENJ: '0xF629cBd94d3791C9250152BD8dfBDF380E2a3B9c',
     },
   },
 };
diff --git a/config/commons.ts b/config/commons.ts
index 71c60c66..66fe5f3e 100644
--- a/config/commons.ts
+++ b/config/commons.ts
@@ -1,12 +1,13 @@
 import BigNumber from 'bignumber.js';
-import {oneEther, oneRay, RAY} from '../helpers/constants';
+import {zeroPad} from 'ethers/lib/utils';
+import {oneEther, oneRay, RAY, ZERO_ADDRESS} from '../helpers/constants';
 import {ICommonConfiguration, EthereumNetwork, eEthereumNetwork} from '../helpers/types';
 
 const MOCK_CHAINLINK_AGGREGATORS_PRICES = {
   DAI: oneEther.multipliedBy('0.00369068412860').toFixed(),
   TUSD: oneEther.multipliedBy('0.00364714136416').toFixed(),
   USDC: oneEther.multipliedBy('0.00367714136416').toFixed(),
-  LEND: oneEther.multipliedBy('0.00003620948469').toFixed(),
+  AAVE: oneEther.multipliedBy('0.003620948469').toFixed(),
   BAT: oneEther.multipliedBy('0.00137893825230').toFixed(),
   USDT: oneEther.multipliedBy('0.00369068412860').toFixed(),
   SUSD: oneEther.multipliedBy('0.00364714136416').toFixed(),
@@ -21,6 +22,10 @@ const MOCK_CHAINLINK_AGGREGATORS_PRICES = {
   BUSD: oneEther.multipliedBy('0.00736484').toFixed(),
   WETH: oneEther.toFixed(),
   USD: '5848466240000000',
+  YFI: oneEther.multipliedBy('22.407436').toFixed(),
+  REN: oneEther.multipliedBy('0.00065133').toFixed(),
+  UNI: oneEther.multipliedBy('0.00536479').toFixed(),
+  ENJ: oneEther.multipliedBy('0.00029560').toFixed(),
   UNI_DAI_ETH: oneEther.multipliedBy('2.1').toFixed(),
   UNI_USDC_ETH: oneEther.multipliedBy('2.1').toFixed(),
   UNI_SETH_ETH: oneEther.multipliedBy('2.1').toFixed(),
@@ -35,7 +40,6 @@ const MOCK_CHAINLINK_AGGREGATORS_PRICES = {
 export const CommonsConfig: ICommonConfiguration = {
   ConfigName: 'Commons',
   ProviderId: 0,
-  ReserveSymbols: [],
   ProtocolGlobalParams: {
     OptimalUtilizationRate: new BigNumber(0.8).times(RAY),
     ExcessUtilizationRate: new BigNumber(0.2).times(RAY),
@@ -83,7 +87,7 @@ export const CommonsConfig: ICommonConfiguration = {
     BAT: {
       borrowRate: oneRay.multipliedBy(0.03).toFixed(),
     },
-    LEND: {
+    AAVE: {
       borrowRate: oneRay.multipliedBy(0.03).toFixed(),
     },
     LINK: {
@@ -110,6 +114,15 @@ export const CommonsConfig: ICommonConfiguration = {
     SNX: {
       borrowRate: oneRay.multipliedBy(0.03).toFixed(),
     },
+    YFI: {
+      borrowRate: oneRay.multipliedBy(0.03).toFixed(),
+    },
+    REN: {
+      borrowRate: oneRay.multipliedBy(0.03).toFixed(),
+    },
+    UNI: {
+      borrowRate: oneRay.multipliedBy(0.03).toFixed(),
+    },
     BUSD: {
       borrowRate: oneRay.multipliedBy(0.05).toFixed(),
     },
@@ -171,7 +184,7 @@ export const CommonsConfig: ICommonConfiguration = {
       USDC: '0x672c1C0d1130912D83664011E7960a42E8cA05D5',
       USDT: '0xCC833A6522721B3252e7578c5BCAF65738B75Fc3',
       SUSD: '0xa353F8b083F7575cfec443b5ad585D42f652E9F7',
-      LEND: '0xdce38940264dfbc01ad1486c21764948e511947e',
+      AAVE: '0xd04647B7CB523bb9f26730E9B6dE1174db7591Ad',
       BAT: '0x2c8d01771CCDca47c103194C5860dbEA2fE61626',
       REP: '0x09F4A94F44c29d4967C761bBdB89f5bD3E2c09E6',
       MKR: '0x14D7714eC44F44ECD0098B39e642b246fB2c38D0',
@@ -183,6 +196,10 @@ export const CommonsConfig: ICommonConfiguration = {
       SNX: '0x775E76cca1B5bc903c9a8C6f77416A35E5744664',
       BUSD: '0x63294A05C9a81b1A40CAD3f2ff30617111630393',
       USD: '0xD21912D8762078598283B14cbA40Cb4bFCb87581',
+      YFI: '0xe45f3ed2218E7e411bf8DFdE66069e57F46b26eF',
+      REN: ZERO_ADDRESS,
+      UNI: ZERO_ADDRESS,
+      ENJ: '0xfaDbe2ee798889F02d1d39eDaD98Eff4c7fe95D4',
       UNI_DAI_ETH: '0x0338C40020Bf886c11406115fD1ba205Ef1D9Ff9',
       UNI_USDC_ETH: '0x7f5E5D34591e9a70D187BBA94260C30B92aC0961',
       UNI_SETH_ETH: '0xc5F1eA001c1570783b3af418fa775237Eb129EDC',
@@ -196,7 +213,7 @@ export const CommonsConfig: ICommonConfiguration = {
       USDC: '0xe1480303dde539e2c241bdc527649f37c9cbef7d',
       USDT: '0xc08fe0c4d97ccda6b40649c6da621761b628c288',
       SUSD: '0xe054b4aee7ac7645642dd52f1c892ff0128c98f0',
-      LEND: '0xf7b4834fe443d1E04D757b4b089b35F5A90F2847',
+      AAVE: '',
       BAT: '0xafd8186c962daf599f171b8600f3e19af7b52c92',
       REP: '0xa949ee9ba80c0f381481f2eab538bc5547a5ac67',
       MKR: '0x811B1f727F8F4aE899774B568d2e72916D91F392',
@@ -208,6 +225,10 @@ export const CommonsConfig: ICommonConfiguration = {
       SNX: '0xA95674a8Ed9aa9D2E445eb0024a9aa05ab44f6bf',
       BUSD: '0x0A32D96Ff131cd5c3E0E5AAB645BF009Eda61564',
       USD: '0x8468b2bDCE073A157E560AA4D9CcF6dB1DB98507',
+      YFI: ZERO_ADDRESS,
+      REN: ZERO_ADDRESS,
+      UNI: ZERO_ADDRESS,
+      ENJ: ZERO_ADDRESS,
       UNI_DAI_ETH: '0x16048819e3f77b7112eB033624A0bA9d33743028',
       UNI_USDC_ETH: '0x6952A2678D574073DB97963886c2F38CD09C8Ba3',
       UNI_SETH_ETH: '0x23Ee5188806BD2D31103368B0EA0259bc6706Af1',
@@ -221,7 +242,7 @@ export const CommonsConfig: ICommonConfiguration = {
       USDC: '0xdE54467873c3BCAA76421061036053e371721708',
       USDT: '0xa874fe207DF445ff19E7482C746C4D3fD0CB9AcE',
       SUSD: '0x6d626Ff97f0E89F6f983dE425dc5B24A18DE26Ea',
-      LEND: '0x1EeaF25f2ECbcAf204ECADc8Db7B0db9DA845327',
+      AAVE: '0x6Df09E975c830ECae5bd4eD9d90f3A95a4f88012',
       BAT: '0x9b4e2579895efa2b4765063310Dc4109a7641129',
       REP: '0xb8b513d9cf440C1b6f5C7142120d611C94fC220c',
       MKR: '0xda3d675d50ff6c555973c4f0424964e1f6a4e7d3',
@@ -233,6 +254,10 @@ export const CommonsConfig: ICommonConfiguration = {
       SNX: '0xE23d1142dE4E83C08bb048bcab54d50907390828',
       BUSD: '0x5d4BB541EED49D0290730b4aB332aA46bd27d888',
       USD: '0x59b826c214aBa7125bFA52970d97736c105Cc375',
+      YFI: '0x7c5d4F8345e66f68099581Db340cd65B078C41f4',
+      REN: '0x3147D7203354Dc06D9fd350c7a2437bcA92387a4',
+      UNI: '0xD6aA3D25116d8dA79Ea0246c4826EB951872e02e',
+      ENJ: '0x24D9aB51950F3d62E9144fdC2f3135DAA6Ce8D1B',
       UNI_DAI_ETH: '0x1bAB293850289Bf161C5DA79ff3d1F02A950555b',
       UNI_USDC_ETH: '0x444315Ee92F2bb3579293C17B07194227fA99bF0',
       UNI_SETH_ETH: '0x517D40E49660c7705b2e99eEFA6d7B0E9Ba5BF10',
@@ -253,7 +278,7 @@ export const CommonsConfig: ICommonConfiguration = {
     [eEthereumNetwork.coverage]:
       '0x95b73a72c6ecf4ccbbba5178800023260bad8e75cdccdb8e4827a2977a37c820',
     [eEthereumNetwork.buidlerevm]:
-      '0x76cbbf8aa4b11a7c207dd79ccf8c394f59475301598c9a083f8258b4fafcfa86',
+      '0x92d0d54f437b6e70937ecba8ac80fc3b6767cf26bc725820e937d5a78427c2d1',
     [eEthereumNetwork.kovan]: '',
     [eEthereumNetwork.ropsten]: '',
     [eEthereumNetwork.main]: '',
@@ -265,4 +290,11 @@ export const CommonsConfig: ICommonConfiguration = {
     [eEthereumNetwork.ropsten]: '',
     [eEthereumNetwork.main]: '',
   },
+  WETH: {
+    [eEthereumNetwork.coverage]: '', // deployed in local evm
+    [eEthereumNetwork.buidlerevm]: '', // deployed in local evm
+    [eEthereumNetwork.kovan]: '0xd0a1e359811322d97991e03f863a0c30c2cf029c',
+    [eEthereumNetwork.ropsten]: '0xc778417e063141139fce010982780140aa0cd5ab',
+    [eEthereumNetwork.main]: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
+  },
 };
diff --git a/config/reservesConfigs.ts b/config/reservesConfigs.ts
new file mode 100644
index 00000000..bc2f62ab
--- /dev/null
+++ b/config/reservesConfigs.ts
@@ -0,0 +1,212 @@
+import BigNumber from 'bignumber.js';
+import {oneRay} from '../helpers/constants';
+import {IReserveParams} from '../helpers/types';
+
+export const strategyBase: IReserveParams = {
+  baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.07).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(3).multipliedBy(oneRay).toFixed(),
+  stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(3).multipliedBy(oneRay).toFixed(),
+  baseLTVAsCollateral: '6000',
+  liquidationThreshold: '6500',
+  liquidationBonus: '11000',
+  borrowingEnabled: true,
+  stableBorrowRateEnabled: true,
+  reserveDecimals: '18',
+};
+
+export const stablecoinStrategyCentralized: IReserveParams = {
+  baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.07).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
+  stableRateSlope1: new BigNumber(0.06).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
+  baseLTVAsCollateral: '7500',
+  liquidationThreshold: '8000',
+  liquidationBonus: '10500',
+  borrowingEnabled: true,
+  stableBorrowRateEnabled: true,
+  reserveDecimals: '6',
+};
+
+export const stablecoinStrategyBase: IReserveParams = {
+  baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.07).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(1.5).multipliedBy(oneRay).toFixed(),
+  stableRateSlope1: new BigNumber(0.06).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(1.5).multipliedBy(oneRay).toFixed(),
+  baseLTVAsCollateral: '7500',
+  liquidationThreshold: '8000',
+  liquidationBonus: '10500',
+  borrowingEnabled: true,
+  stableBorrowRateEnabled: true,
+  reserveDecimals: '18',
+};
+
+export const stablecoinStrategyDAI: IReserveParams = {
+  ...stablecoinStrategyBase,
+};
+
+export const stablecoinStrategyTUSD: IReserveParams = {
+  ...stablecoinStrategyCentralized,
+  baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.04).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(1.5).multipliedBy(oneRay).toFixed(),
+  stableRateSlope1: new BigNumber(0.14).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
+  borrowingEnabled: true,
+  stableBorrowRateEnabled: false,
+  reserveDecimals: '18',
+};
+
+export const stablecoinStrategyBUSD: IReserveParams = {
+  ...stablecoinStrategyCentralized,
+  reserveDecimals: '18',
+  baseLTVAsCollateral: '-1',
+  liquidationThreshold: '0',
+  liquidationBonus: '0',
+  baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.04).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
+  stableBorrowRateEnabled: false,
+  stableRateSlope1: new BigNumber(0.14).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
+};
+export const stablecoinStrategyUSDC: IReserveParams = {
+  ...stablecoinStrategyBase,
+  variableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
+  reserveDecimals: '6',
+};
+
+export const stablecoinStrategyUSDT: IReserveParams = {
+  ...stablecoinStrategyBase,
+  baseLTVAsCollateral: '-1',
+  liquidationThreshold: '7000',
+  liquidationBonus: '0',
+  borrowingEnabled: false,
+  stableBorrowRateEnabled: true,
+  reserveDecimals: '6',
+};
+
+export const stablecoinStrategySUSD: IReserveParams = {
+  baseVariableBorrowRate: new BigNumber(0.01).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.04).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(1).multipliedBy(oneRay).toFixed(),
+  stableRateSlope1: new BigNumber(0.14).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
+  baseLTVAsCollateral: '-1',
+  liquidationThreshold: '0',
+  liquidationBonus: '0',
+  borrowingEnabled: false,
+  stableBorrowRateEnabled: false,
+  reserveDecimals: '18',
+};
+
+export const strategyAAVE: IReserveParams = {
+  ...strategyBase,
+  baseLTVAsCollateral: '5000',
+  liquidationThreshold: '6500',
+  liquidationBonus: '11000',
+  borrowingEnabled: false,
+  stableBorrowRateEnabled: false,
+  reserveDecimals: '18',
+};
+
+export const strategyWETH: IReserveParams = {
+  baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(1).multipliedBy(oneRay).toFixed(),
+  stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(1).multipliedBy(oneRay).toFixed(),
+  baseLTVAsCollateral: '7500',
+  liquidationThreshold: '8000',
+  liquidationBonus: '10500',
+  borrowingEnabled: true,
+  stableBorrowRateEnabled: true,
+  reserveDecimals: '18',
+};
+
+export const strategyLINK: IReserveParams = {
+  ...strategyBase,
+  baseLTVAsCollateral: '6500',
+  liquidationThreshold: '7000',
+};
+
+export const strategyWBTC: IReserveParams = {
+  baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
+  stableRateSlope1: new BigNumber(0.1).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
+  baseLTVAsCollateral: '6000',
+  liquidationThreshold: '6500',
+  liquidationBonus: '11500',
+  borrowingEnabled: true,
+  stableBorrowRateEnabled: true,
+  reserveDecimals: '8',
+};
+
+export const strategyKNC: IReserveParams = {
+  ...strategyBase,
+  variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
+};
+
+export const strategyREP: IReserveParams = {
+  ...strategyBase,
+  baseLTVAsCollateral: '3500',
+  variableRateSlope1: new BigNumber(0.07).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(3).multipliedBy(oneRay).toFixed(),
+  borrowingEnabled: false,
+};
+
+export const strategyMKR: IReserveParams = {
+  ...strategyBase,
+  baseLTVAsCollateral: '3500',
+};
+
+export const strategyMANA: IReserveParams = {
+  ...strategyBase,
+  variableRateSlope1: new BigNumber(0.08).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(0.5).multipliedBy(oneRay).toFixed(),
+  stableRateSlope2: new BigNumber(0.6).multipliedBy(oneRay).toFixed(),
+};
+
+export const strategySNX: IReserveParams = {
+  ...strategyBase,
+  baseLTVAsCollateral: '1500',
+  liquidationThreshold: '4000',
+  baseVariableBorrowRate: new BigNumber(0.03).multipliedBy(oneRay).toFixed(),
+  variableRateSlope1: new BigNumber(0.12).multipliedBy(oneRay).toFixed(),
+  variableRateSlope2: new BigNumber(1).multipliedBy(oneRay).toFixed(),
+  stableBorrowRateEnabled: false,
+};
+
+export const strategyENJ: IReserveParams = {
+  ...strategyBase,
+  baseLTVAsCollateral: '5500',
+  stableBorrowRateEnabled: false,
+};
+
+export const strategyREN: IReserveParams = {
+  ...strategyBase,
+  baseLTVAsCollateral: '5000',
+  liquidationThreshold: '6500',
+  liquidationBonus: '11000',
+  borrowingEnabled: true,
+  stableBorrowRateEnabled: false,
+};
+
+export const strategyGovernanceTokens: IReserveParams = {
+  ...strategyBase,
+  baseLTVAsCollateral: '4000',
+  liquidationBonus: '11500',
+};
+export const strategyYFI: IReserveParams = {
+  ...strategyGovernanceTokens,
+};
+
+export const strategyUNI: IReserveParams = {
+  ...strategyGovernanceTokens,
+  stableBorrowRateEnabled: false,
+};
diff --git a/config/uniswap.ts b/config/uniswap.ts
index 289b4c0b..ae01a991 100644
--- a/config/uniswap.ts
+++ b/config/uniswap.ts
@@ -12,18 +12,6 @@ export const UniswapConfig: IUniswapConfiguration = {
   ...CommonsConfig,
   ConfigName: 'Uniswap',
   ProviderId: 2,
-  ReserveSymbols: [
-    'WETH',
-    'DAI',
-    'USDC',
-    'USDT',
-    'UNI_DAI_ETH',
-    'UNI_USDC_ETH',
-    'UNI_SETH_ETH',
-    'UNI_LINK_ETH',
-    'UNI_MKR_ETH',
-    'UNI_LEND_ETH',
-  ],
   ReservesConfig: {
     WETH: {
       baseVariableBorrowRate: new BigNumber(0).multipliedBy(oneRay).toFixed(),
diff --git a/contracts/configuration/LendingPoolAddressesProvider.sol b/contracts/configuration/LendingPoolAddressesProvider.sol
index 38aa1280..820aaf99 100644
--- a/contracts/configuration/LendingPoolAddressesProvider.sol
+++ b/contracts/configuration/LendingPoolAddressesProvider.sol
@@ -2,9 +2,10 @@
 pragma solidity ^0.6.8;
 
 import {Ownable} from '../dependencies/openzeppelin/contracts/Ownable.sol';
-import {
-  InitializableImmutableAdminUpgradeabilityProxy
-} from '../libraries/aave-upgradeability/InitializableImmutableAdminUpgradeabilityProxy.sol';
+
+// Prettier ignore to prevent buidler flatter bug
+// prettier-ignore
+import {InitializableImmutableAdminUpgradeabilityProxy} from '../libraries/aave-upgradeability/InitializableImmutableAdminUpgradeabilityProxy.sol';
 
 import {ILendingPoolAddressesProvider} from '../interfaces/ILendingPoolAddressesProvider.sol';
 
diff --git a/contracts/libraries/helpers/Helpers.sol b/contracts/libraries/helpers/Helpers.sol
index e1d65502..ba8be90c 100644
--- a/contracts/libraries/helpers/Helpers.sol
+++ b/contracts/libraries/helpers/Helpers.sol
@@ -26,4 +26,15 @@ library Helpers {
       DebtTokenBase(reserve.variableDebtTokenAddress).balanceOf(user)
     );
   }
+
+  function getUserCurrentDebtMemory(address user, ReserveLogic.ReserveData memory reserve)
+    internal
+    view
+    returns (uint256, uint256)
+  {
+    return (
+      DebtTokenBase(reserve.stableDebtTokenAddress).balanceOf(user),
+      DebtTokenBase(reserve.variableDebtTokenAddress).balanceOf(user)
+    );
+  }
 }
diff --git a/contracts/misc/WETHGateway.sol b/contracts/misc/WETHGateway.sol
new file mode 100644
index 00000000..ee7d1e7f
--- /dev/null
+++ b/contracts/misc/WETHGateway.sol
@@ -0,0 +1,168 @@
+// SPDX-License-Identifier: agpl-3.0
+pragma solidity ^0.6.8;
+pragma experimental ABIEncoderV2;
+
+import {IWETH} from './interfaces/IWETH.sol';
+import {IWETHGateway} from './interfaces/IWETHGateway.sol';
+import {ILendingPool} from '../interfaces/ILendingPool.sol';
+import {IAToken} from '../tokenization/interfaces/IAToken.sol';
+import {ReserveLogic} from '../libraries/logic/ReserveLogic.sol';
+import {ReserveConfiguration} from '../libraries/configuration/ReserveConfiguration.sol';
+import {UserConfiguration} from '../libraries/configuration/UserConfiguration.sol';
+import {Helpers} from '../libraries/helpers/Helpers.sol';
+import {Ownable} from '../dependencies/openzeppelin/contracts/Ownable.sol';
+import {IERC20} from '../dependencies/openzeppelin/contracts/IERC20.sol';
+
+contract WETHGateway is IWETHGateway, Ownable {
+  using ReserveConfiguration for ReserveConfiguration.Map;
+  using UserConfiguration for UserConfiguration.Map;
+
+  IWETH internal immutable WETH;
+  ILendingPool internal immutable POOL;
+  IAToken internal immutable aWETH;
+
+  /**
+   * @dev Sets the WETH address and the LendingPoolAddressesProvider address. Infinite approves lending pool.
+   * @param weth Address of the Wrapped Ether contract
+   * @param pool Address of the LendingPool contract
+   **/
+  constructor(address weth, address pool) public {
+    ILendingPool poolInstance = ILendingPool(pool);
+    WETH = IWETH(weth);
+    POOL = poolInstance;
+    aWETH = IAToken(poolInstance.getReserveData(weth).aTokenAddress);
+    IWETH(weth).approve(pool, uint256(-1));
+  }
+
+  /**
+   * @dev deposits WETH into the reserve, using native ETH. A corresponding amount of the overlying asset (aTokens)
+   * is minted.
+   * @param onBehalfOf address of the user who will receive the aTokens representing the deposit
+   * @param referralCode integrators are assigned a referral code and can potentially receive rewards.
+   **/
+  function depositETH(address onBehalfOf, uint16 referralCode) external override payable {
+    WETH.deposit{value: msg.value}();
+    POOL.deposit(address(WETH), msg.value, onBehalfOf, referralCode);
+  }
+
+  /**
+   * @dev withdraws the WETH _reserves of msg.sender.
+   * @param amount amount of aWETH to withdraw and receive native ETH
+   * @param to address of the user who will receive native ETH
+   */
+  function withdrawETH(uint256 amount, address to) external override {
+    uint256 userBalance = aWETH.balanceOf(msg.sender);
+    uint256 amountToWithdraw = amount;
+
+    // if amount is equal to uint(-1), the user wants to redeem everything
+    if (amount == type(uint256).max) {
+      amountToWithdraw = userBalance;
+    }
+    aWETH.transferFrom(msg.sender, address(this), amountToWithdraw);
+    POOL.withdraw(address(WETH), amountToWithdraw, address(this));
+    WETH.withdraw(amountToWithdraw);
+    _safeTransferETH(to, amountToWithdraw);
+  }
+
+  /**
+   * @dev repays a borrow on the WETH reserve, for the specified amount (or for the whole amount, if uint256(-1) is specified).
+   * @param amount the amount to repay, or uint256(-1) if the user wants to repay everything
+   * @param rateMode the rate mode to repay
+   * @param onBehalfOf the address for which msg.sender is repaying
+   */
+  function repayETH(
+    uint256 amount,
+    uint256 rateMode,
+    address onBehalfOf
+  ) external override payable {
+    (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebtMemory(
+      onBehalfOf,
+      POOL.getReserveData(address(WETH))
+    );
+
+    uint256 paybackAmount = ReserveLogic.InterestRateMode(rateMode) ==
+      ReserveLogic.InterestRateMode.STABLE
+      ? stableDebt
+      : variableDebt;
+
+    if (amount < paybackAmount) {
+      paybackAmount = amount;
+    }
+    require(msg.value >= paybackAmount, 'msg.value is less than repayment amount');
+    WETH.deposit{value: paybackAmount}();
+    POOL.repay(address(WETH), msg.value, rateMode, onBehalfOf);
+
+    // refund remaining dust eth
+    if (msg.value > paybackAmount) _safeTransferETH(msg.sender, msg.value - paybackAmount);
+  }
+
+  /**
+   * @dev transfer ETH to an address, revert if it fails.
+   * @param to recipient of the transfer
+   * @param value the amount to send
+   */
+  function _safeTransferETH(address to, uint256 value) internal {
+    (bool success, ) = to.call{value: value}(new bytes(0));
+    require(success, 'ETH_TRANSFER_FAILED');
+  }
+
+  /**
+   * @dev transfer ERC20 from the utility contract, for ERC20 recovery in case of stuck tokens due
+   * direct transfers to the contract address.
+   * @param token token to transfer
+   * @param to recipient of the transfer
+   * @param amount amount to send
+   */
+  function emergencyTokenTransfer(
+    address token,
+    address to,
+    uint256 amount
+  ) external onlyOwner {
+    IERC20(token).transfer(to, amount);
+  }
+
+  /**
+   * @dev transfer native Ether from the utility contract, for native Ether recovery in case of stuck Ether
+   * due selfdestructs or transfer ether to pre-computated contract address before deployment.
+   * @param to recipient of the transfer
+   * @param amount amount to send
+   */
+  function emergencyEtherTransfer(address to, uint256 amount) external onlyOwner {
+    _safeTransferETH(to, amount);
+  }
+
+  /**
+   * @dev Get WETH address used by WETHGateway
+   */
+  function getWETHAddress() external view returns (address) {
+    return address(WETH);
+  }
+
+  /**
+   * @dev Get aWETH address used by WETHGateway
+   */
+  function getAWETHAddress() external view returns (address) {
+    return address(aWETH);
+  }
+
+  /**
+   * @dev Get LendingPool address used by WETHGateway
+   */
+  function getLendingPoolAddress() external view returns (address) {
+    return address(POOL);
+  }
+
+  /**
+   * @dev Only WETH contract is allowed to transfer ETH here. Prevent other addresses to send Ether to this contract.
+   */
+  receive() external payable {
+    require(msg.sender == address(WETH), 'Receive not allowed');
+  }
+
+  /**
+   * @dev Revert fallback calls
+   */
+  fallback() external payable {
+    revert('Fallback not allowed');
+  }
+}
diff --git a/contracts/misc/IERC20DetailedBytes.sol b/contracts/misc/interfaces/IERC20DetailedBytes.sol
similarity index 100%
rename from contracts/misc/IERC20DetailedBytes.sol
rename to contracts/misc/interfaces/IERC20DetailedBytes.sol
diff --git a/contracts/misc/interfaces/IWETH.sol b/contracts/misc/interfaces/IWETH.sol
new file mode 100644
index 00000000..cb661927
--- /dev/null
+++ b/contracts/misc/interfaces/IWETH.sol
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: agpl-3.0
+pragma solidity ^0.6.8;
+
+interface IWETH {
+  function deposit() external payable;
+
+  function withdraw(uint256) external;
+
+  function approve(address guy, uint256 wad) external returns (bool);
+
+  function transferFrom(
+    address src,
+    address dst,
+    uint256 wad
+  ) external returns (bool);
+}
diff --git a/contracts/misc/interfaces/IWETHGateway.sol b/contracts/misc/interfaces/IWETHGateway.sol
new file mode 100644
index 00000000..51bdc337
--- /dev/null
+++ b/contracts/misc/interfaces/IWETHGateway.sol
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: agpl-3.0
+pragma solidity ^0.6.8;
+
+interface IWETHGateway {
+  function depositETH(address onBehalfOf, uint16 referralCode) external payable;
+
+  function withdrawETH(uint256 amount, address onBehalfOf) external;
+
+  function repayETH(
+    uint256 amount,
+    uint256 rateMode,
+    address onBehalfOf
+  ) external payable;
+}
diff --git a/contracts/mocks/attacks/SefldestructTransfer.sol b/contracts/mocks/attacks/SefldestructTransfer.sol
new file mode 100644
index 00000000..5c8750c1
--- /dev/null
+++ b/contracts/mocks/attacks/SefldestructTransfer.sol
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: agpl-3.0
+pragma solidity ^0.6.8;
+
+contract SelfdestructTransfer {
+  function destroyAndTransfer(address payable to) external payable {
+    selfdestruct(to);
+  }
+}
diff --git a/contracts/mocks/dependencies/weth/WETH9.sol b/contracts/mocks/dependencies/weth/WETH9.sol
new file mode 100644
index 00000000..1907b736
--- /dev/null
+++ b/contracts/mocks/dependencies/weth/WETH9.sol
@@ -0,0 +1,758 @@
+// Copyright (C) 2015, 2016, 2017 Dapphub
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+pragma solidity >=0.4.22 <=0.6.8;
+
+contract WETH9 {
+  string public name = 'Wrapped Ether';
+  string public symbol = 'WETH';
+  uint8 public decimals = 18;
+
+  event Approval(address indexed src, address indexed guy, uint256 wad);
+  event Transfer(address indexed src, address indexed dst, uint256 wad);
+  event Deposit(address indexed dst, uint256 wad);
+  event Withdrawal(address indexed src, uint256 wad);
+
+  mapping(address => uint256) public balanceOf;
+  mapping(address => mapping(address => uint256)) public allowance;
+
+  receive() external payable {
+    deposit();
+  }
+
+  function deposit() public payable {
+    balanceOf[msg.sender] += msg.value;
+    emit Deposit(msg.sender, msg.value);
+  }
+
+  function withdraw(uint256 wad) public {
+    require(balanceOf[msg.sender] >= wad);
+    balanceOf[msg.sender] -= wad;
+    msg.sender.transfer(wad);
+    emit Withdrawal(msg.sender, wad);
+  }
+
+  function totalSupply() public view returns (uint256) {
+    return address(this).balance;
+  }
+
+  function approve(address guy, uint256 wad) public returns (bool) {
+    allowance[msg.sender][guy] = wad;
+    emit Approval(msg.sender, guy, wad);
+    return true;
+  }
+
+  function transfer(address dst, uint256 wad) public returns (bool) {
+    return transferFrom(msg.sender, dst, wad);
+  }
+
+  function transferFrom(
+    address src,
+    address dst,
+    uint256 wad
+  ) public returns (bool) {
+    require(balanceOf[src] >= wad);
+
+    if (src != msg.sender && allowance[src][msg.sender] != uint256(-1)) {
+      require(allowance[src][msg.sender] >= wad);
+      allowance[src][msg.sender] -= wad;
+    }
+
+    balanceOf[src] -= wad;
+    balanceOf[dst] += wad;
+
+    emit Transfer(src, dst, wad);
+
+    return true;
+  }
+}
+
+/*
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
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+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
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+  If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
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+receiving the covered work authorizing them to use, propagate, modify
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+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
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+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
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+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+
+*/
diff --git a/contracts/mocks/flashloan/MockFlashLoanReceiver.sol b/contracts/mocks/flashloan/MockFlashLoanReceiver.sol
index 215746ae..cfd16c28 100644
--- a/contracts/mocks/flashloan/MockFlashLoanReceiver.sol
+++ b/contracts/mocks/flashloan/MockFlashLoanReceiver.sol
@@ -72,7 +72,6 @@ contract MockFlashLoanReceiver is FlashLoanReceiverBase {
         ? _amountToApprove
         : amounts[i].add(premiums[i]);
       //execution does not fail - mint tokens and return them to the _destination
-      //note: if the reserve is eth, the mock contract must receive at least _fee ETH before calling executeOperation
 
       token.mint(premiums[i]);
 
diff --git a/contracts/mocks/tokens/WETH9Mocked.sol b/contracts/mocks/tokens/WETH9Mocked.sol
new file mode 100644
index 00000000..edcb1ca5
--- /dev/null
+++ b/contracts/mocks/tokens/WETH9Mocked.sol
@@ -0,0 +1,11 @@
+pragma solidity >=0.4.22 <=0.6.8;
+
+import {WETH9} from '../dependencies/weth/WETH9.sol';
+
+contract WETH9Mocked is WETH9 {
+  // Mint not backed by Ether: only for testing purposes
+  function mint(uint256 value) public returns (bool) {
+    balanceOf[msg.sender] += value;
+    emit Transfer(address(0), msg.sender, value);
+  }
+}
diff --git a/deployed-contracts.json b/deployed-contracts.json
index c2cbd017..23398e52 100644
--- a/deployed-contracts.json
+++ b/deployed-contracts.json
@@ -1,7 +1,7 @@
 {
   "MintableERC20": {
     "buidlerevm": {
-      "address": "0x58F132FBB86E21545A4Bace3C19f1C05d86d7A22",
+      "address": "0x18b9306737eaf6E8FC8e737F488a1AE077b18053",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
@@ -97,183 +97,278 @@
   },
   "SNX": {
     "buidlerevm": {
-      "address": "0x2D8553F9ddA85A9B3259F6Bf26911364B85556F5",
+      "address": "0x52d3b94181f8654db2530b0fEe1B19173f519C52",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "BUSD": {
     "buidlerevm": {
-      "address": "0x52d3b94181f8654db2530b0fEe1B19173f519C52",
+      "address": "0xd15468525c35BDBC1eD8F2e09A00F8a173437f2f",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "USD": {
     "buidlerevm": {
-      "address": "0xd15468525c35BDBC1eD8F2e09A00F8a173437f2f",
+      "address": "0x7e35Eaf7e8FBd7887ad538D4A38Df5BbD073814a",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "UNI_DAI_ETH": {
     "buidlerevm": {
-      "address": "0x7e35Eaf7e8FBd7887ad538D4A38Df5BbD073814a",
+      "address": "0xB00cC45B4a7d3e1FEE684cFc4417998A1c183e6d",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "UNI_USDC_ETH": {
     "buidlerevm": {
-      "address": "0x5bcb88A0d20426e451332eE6C4324b0e663c50E0",
+      "address": "0x58F132FBB86E21545A4Bace3C19f1C05d86d7A22",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "UNI_SETH_ETH": {
     "buidlerevm": {
-      "address": "0x3521eF8AaB0323004A6dD8b03CE890F4Ea3A13f5",
+      "address": "0xa4bcDF64Cdd5451b6ac3743B414124A6299B65FF",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "UNI_LINK_ETH": {
     "buidlerevm": {
-      "address": "0x53369fd4680FfE3DfF39Fc6DDa9CfbfD43daeA2E",
+      "address": "0x22474D350EC2dA53D717E30b96e9a2B7628Ede5b",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "UNI_MKR_ETH": {
     "buidlerevm": {
-      "address": "0xB00cC45B4a7d3e1FEE684cFc4417998A1c183e6d",
+      "address": "0x5A0773Ff307Bf7C71a832dBB5312237fD3437f9F",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "UNI_LEND_ETH": {
     "buidlerevm": {
-      "address": "0x58F132FBB86E21545A4Bace3C19f1C05d86d7A22",
+      "address": "0x18b9306737eaf6E8FC8e737F488a1AE077b18053",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "LendingPoolAddressesProvider": {
     "buidlerevm": {
-      "address": "0xa4bcDF64Cdd5451b6ac3743B414124A6299B65FF",
+      "address": "0xFAe0fd738dAbc8a0426F47437322b6d026A9FD95",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0x688C81eC2A0Be6F287fD8C9c343D299c03A34804",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "LendingPoolAddressesProviderRegistry": {
     "buidlerevm": {
-      "address": "0x5A0773Ff307Bf7C71a832dBB5312237fD3437f9F",
+      "address": "0x8456161947DFc1fC159A0B26c025cD2b4bba0c3e",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0xf189cC1eD07cEFB6e61082104e12673E133163f5",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "ReserveLogic": {
     "buidlerevm": {
-      "address": "0xFAe0fd738dAbc8a0426F47437322b6d026A9FD95",
+      "address": "0x33958cC3535Fc328369EAC2B2Bebd120D67C7fa1",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0x757855037B01c45832f8d662D217C766Ba4e8e74",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "GenericLogic": {
     "buidlerevm": {
-      "address": "0x6082731fdAba4761277Fb31299ebC782AD3bCf24",
+      "address": "0x2cBbbBE1B75Ad7848F0844215816F551f429c64f",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0xBc013D1412E0F4acacAa64CDc1c93e8A3Ecd8fF4",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "ValidationLogic": {
     "buidlerevm": {
-      "address": "0x8456161947DFc1fC159A0B26c025cD2b4bba0c3e",
+      "address": "0xbAc762e2000b6815268587b081Fd17aC25519aD5",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0xba681EfB276237903df60ef92D564610A393Dbd6",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "LendingPool": {
     "buidlerevm": {
-      "address": "0xD9273d497eDBC967F39d419461CfcF382a0A822e"
+      "address": "0xa43Ba00FCA75B805D17f67F9433b971E9a398690",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0x59525b17808F0a7eFe62303ca46e596A5a602683"
     }
   },
   "LendingPoolConfigurator": {
     "buidlerevm": {
-      "address": "0x6642B57e4265BAD868C17Fc1d1F4F88DBBA04Aa8"
+      "address": "0xdbaA15927b1463EdD14Cf51D082BD7703Fd1C238"
+    },
+    "kovan": {
+      "address": "0x0a9bc0ce44e6473a1B0e30b54b7227de6E75Fd83"
     }
   },
   "StableAndVariableTokensHelper": {
     "buidlerevm": {
-      "address": "0x0C6c3C47A1f650809B0D1048FDf9603e09473D7E",
+      "address": "0xE4C10Db67595aF2Cb4166c8C274e0140f7E43059",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0x882AD7981FE3d63200A23F5d009A1d0488b5ea7e",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "ATokensAndRatesHelper": {
     "buidlerevm": {
-      "address": "0x06bA8d8af0dF898D0712DffFb0f862cC51AF45c2",
+      "address": "0x099d9fF8F818290C8b5B7Db5bFca84CEebd2714c",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0x20Bfad73e3A8aA9161b5c553f7825002a175DB23",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "PriceOracle": {
     "buidlerevm": {
-      "address": "0xb682dEEf4f8e298d86bFc3e21f50c675151FB974",
+      "address": "0x85bdE212E66e2BAE510E44Ed59116c1eC712795b",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "MockAggregator": {
     "buidlerevm": {
-      "address": "0x3D8FFB457fedDFBc760F3F243283F52692b579B1",
+      "address": "0x8Dd7f10813aC8fCB83ad7ad94e941D53b002fBc7",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "ChainlinkProxyPriceProvider": {
     "buidlerevm": {
-      "address": "0xEC1C93A9f6a9e18E97784c76aC52053587FcDB89",
+      "address": "0xfA9dbd706c674801F50169f4B5862cCe045408E6",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "LendingRateOracle": {
     "buidlerevm": {
-      "address": "0xAF6BA11790D1942625C0c2dA07da19AB63845cfF",
+      "address": "0xbFAD7C67855cc0272CC5ED00dAabeFDB31E7190a",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "AaveProtocolTestHelpers": {
     "buidlerevm": {
-      "address": "0xf4830d6b1D70C8595d3BD8A63f9ed9F636DB9ef2"
+      "address": "0x93472C0e03215F9c33DA240Eb16703C8244eAa8c"
+    },
+    "kovan": {
+      "address": "0xe875775D75F384944E77086Ea54bAD008ea8004A",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "LendingPoolCollateralManager": {
     "buidlerevm": {
-      "address": "0x8D0206fEBEB380486729b64bB4cfEDC5b354a6D6",
+      "address": "0x417fc1038b2AF553D65F4fF2839efE9f93Ec1eac",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0xc072D8A233C8C52239dcD6ab39954240a0699055",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "MockFlashLoanReceiver": {
     "buidlerevm": {
-      "address": "0xfC88832bac6AbdF216BC5A67be68E9DE94aD5ba2"
+      "address": "0x0459c841b02Aee8730730C737582c53B20a27288"
     }
   },
   "WalletBalanceProvider": {
     "buidlerevm": {
-      "address": "0x1256eBA4d0a7A38D10BaF4F61775ba491Ce7EE25",
+      "address": "0x2530ce07D254eA185E8e0bCC37a39e2FbA3bE548",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    },
+    "kovan": {
+      "address": "0xf896A27CDd4E3bC101aCEa86cc1cE6b7C91AEFA1",
+      "deployer": "0x85e4A467343c0dc4aDAB74Af84448D9c45D8ae6F"
     }
   },
   "MockAToken": {
     "buidlerevm": {
-      "address": "0x77B0b5636fEA30eA79BB65AeCCdb599997A849A8",
+      "address": "0x0EBCa695959e5f138Af772FAa44ce1A9C7aEd921",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "MockStableDebtToken": {
     "buidlerevm": {
-      "address": "0x78Ee8Fb9fE5abD5e347Fc94c2fb85596d1f60e3c",
+      "address": "0x417fc1038b2AF553D65F4fF2839efE9f93Ec1eac",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "MockVariableDebtToken": {
     "buidlerevm": {
-      "address": "0x920d847fE49E54C19047ba8bc236C45A8068Bca7",
+      "address": "0x8BFFF31B1757da579Bb5B118489568526F7fb6D4",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    }
+  },
+  "WETHGateway": {
+    "buidlerevm": {
+      "address": "0x0Cf45557d25a4e4c0F1aC65EF6c48ae67c61a0E6",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    }
+  },
+  "WETHMocked": {
+    "buidlerevm": {
+      "address": "0xf784709d2317D872237C4bC22f867d1BAe2913AB",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "MintableDelegationERC20": {
     "buidlerevm": {
-      "address": "0x77B0b5636fEA30eA79BB65AeCCdb599997A849A8",
+      "address": "0x7fAeC7791277Ff512c41CA903c177B2Ed952dDAc",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    }
+  },
+  "AAVE": {
+    "buidlerevm": {
+      "address": "0x8858eeB3DfffA017D4BCE9801D340D36Cf895CCf",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    }
+  },
+  "REN": {
+    "buidlerevm": {
+      "address": "0x2D8553F9ddA85A9B3259F6Bf26911364B85556F5",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    }
+  },
+  "YFI": {
+    "buidlerevm": {
+      "address": "0x5bcb88A0d20426e451332eE6C4324b0e663c50E0",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    }
+  },
+  "UNI": {
+    "buidlerevm": {
+      "address": "0x3521eF8AaB0323004A6dD8b03CE890F4Ea3A13f5",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   },
   "AToken": {
     "buidlerevm": {
-      "address": "0x78Ee8Fb9fE5abD5e347Fc94c2fb85596d1f60e3c",
+      "address": "0x33958cC3535Fc328369EAC2B2Bebd120D67C7fa1",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    }
+  },
+  "SelfdestructTransferMock": {
+    "buidlerevm": {
+      "address": "0x920d847fE49E54C19047ba8bc236C45A8068Bca7",
+      "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
+    }
+  },
+  "ENJ": {
+    "buidlerevm": {
+      "address": "0x53369fd4680FfE3DfF39Fc6DDa9CfbfD43daeA2E",
       "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6"
     }
   }
diff --git a/helpers/configuration.ts b/helpers/configuration.ts
index 1665d4a0..b4bda09c 100644
--- a/helpers/configuration.ts
+++ b/helpers/configuration.ts
@@ -15,6 +15,7 @@ import {ZERO_ADDRESS} from './constants';
 import {BRE} from './misc-utils';
 import {tEthereumAddress} from './types';
 import {getParamPerNetwork} from './contracts-helpers';
+import {deployWETHMocked} from './contracts-deployments';
 
 export enum ConfigNames {
   Commons = 'Commons',
@@ -80,3 +81,16 @@ export const getATokenDomainSeparatorPerNetwork = (
   network: eEthereumNetwork,
   config: ICommonConfiguration
 ): tEthereumAddress => getParamPerNetwork<tEthereumAddress>(config.ATokenDomainSeparator, network);
+
+export const getWethAddress = async (config: ICommonConfiguration) => {
+  const currentNetwork = BRE.network.name;
+  const wethAddress = getParamPerNetwork(config.WETH, <eEthereumNetwork>currentNetwork);
+  if (wethAddress) {
+    return wethAddress;
+  }
+  if (currentNetwork.includes('main')) {
+    throw new Error('WETH not set at mainnet configuration.');
+  }
+  const weth = await deployWETHMocked();
+  return weth.address;
+};
diff --git a/helpers/contracts-deployments.ts b/helpers/contracts-deployments.ts
index 6c5b9c70..bc5e7d81 100644
--- a/helpers/contracts-deployments.ts
+++ b/helpers/contracts-deployments.ts
@@ -41,15 +41,20 @@ import {
   MockVariableDebtTokenFactory,
   PriceOracleFactory,
   ReserveLogicFactory,
+  SelfdestructTransferFactory,
   StableDebtTokenFactory,
   VariableDebtTokenFactory,
   WalletBalanceProviderFactory,
+  Weth9Factory,
+  Weth9MockedFactory,
+  WethGatewayFactory,
 } from '../types';
 import {withSaveAndVerify, registerContractInJsonDb, linkBytecode} from './contracts-helpers';
 import {StableAndVariableTokensHelperFactory} from '../types/StableAndVariableTokensHelperFactory';
 import {MockStableDebtToken} from '../types/MockStableDebtToken';
 import {MockVariableDebtToken} from '../types/MockVariableDebtToken';
 import {MintableDelegationErc20} from '../types/MintableDelegationErc20';
+import {SelfdestructTransfer} from '../types/SelfdestructTransfer';
 
 export const deployLendingPoolAddressesProvider = async (verify?: boolean) =>
   withSaveAndVerify(
@@ -381,7 +386,7 @@ export const deployMockTokens = async (config: PoolConfiguration, verify?: boole
 
   const configData = config.ReservesConfig;
 
-  for (const tokenSymbol of Object.keys(config.ReserveSymbols)) {
+  for (const tokenSymbol of Object.keys(configData)) {
     tokens[tokenSymbol] = await deployMintableERC20(
       [
         tokenSymbol,
@@ -418,24 +423,43 @@ export const deployATokensAndRatesHelper = async (
     verify
   );
 
+export const deployWETHGateway = async (
+  args: [tEthereumAddress, tEthereumAddress],
+  verify?: boolean
+) =>
+  withSaveAndVerify(
+    await new WethGatewayFactory(await getFirstSigner()).deploy(...args),
+    eContractid.WETHGateway,
+    args,
+    verify
+  );
+
 export const deployMockStableDebtToken = async (
   args: [tEthereumAddress, tEthereumAddress, string, string, tEthereumAddress],
   verify?: boolean
 ) =>
   withSaveAndVerify(
     await new MockStableDebtTokenFactory(await getFirstSigner()).deploy(...args),
-    eContractid.ATokensAndRatesHelper,
+    eContractid.MockStableDebtToken,
     args,
     verify
   );
 
+export const deployWETHMocked = async (verify?: boolean) =>
+  withSaveAndVerify(
+    await new Weth9MockedFactory(await getFirstSigner()).deploy(),
+    eContractid.WETHMocked,
+    [],
+    verify
+  );
+
 export const deployMockVariableDebtToken = async (
   args: [tEthereumAddress, tEthereumAddress, string, string, tEthereumAddress],
   verify?: boolean
 ) =>
   withSaveAndVerify(
     await new MockVariableDebtTokenFactory(await getFirstSigner()).deploy(...args),
-    eContractid.ATokensAndRatesHelper,
+    eContractid.MockVariableDebtToken,
     args,
     verify
   );
@@ -446,7 +470,15 @@ export const deployMockAToken = async (
 ) =>
   withSaveAndVerify(
     await new MockATokenFactory(await getFirstSigner()).deploy(...args),
-    eContractid.ATokensAndRatesHelper,
+    eContractid.MockAToken,
     args,
     verify
   );
+
+export const deploySelfdestructTransferMock = async (verify?: boolean) =>
+  withSaveAndVerify(
+    await new SelfdestructTransferFactory(await getFirstSigner()).deploy(),
+    eContractid.SelfdestructTransferMock,
+    [],
+    verify
+  );
diff --git a/helpers/contracts-getters.ts b/helpers/contracts-getters.ts
index 7fa9fdee..713fb5cc 100644
--- a/helpers/contracts-getters.ts
+++ b/helpers/contracts-getters.ts
@@ -16,9 +16,13 @@ import {
   MockVariableDebtTokenFactory,
   PriceOracleFactory,
   ReserveLogicFactory,
+  SelfdestructTransferFactory,
   StableAndVariableTokensHelperFactory,
   StableDebtTokenFactory,
   VariableDebtTokenFactory,
+  Weth9Factory,
+  Weth9MockedFactory,
+  WethGatewayFactory,
 } from '../types';
 import {Ierc20DetailedFactory} from '../types/Ierc20DetailedFactory';
 import {MockTokenMap} from './contracts-helpers';
@@ -127,7 +131,7 @@ export const getLendingRateOracle = async (address?: tEthereumAddress) =>
   );
 
 export const getMockedTokens = async (config: PoolConfiguration) => {
-  const tokenSymbols = config.ReserveSymbols;
+  const tokenSymbols = Object.keys(config.ReservesConfig);
   const db = getDb();
   const tokens: MockTokenMap = await tokenSymbols.reduce<Promise<MockTokenMap>>(
     async (acc, tokenSymbol) => {
@@ -226,6 +230,19 @@ export const getATokensAndRatesHelper = async (address?: tEthereumAddress) =>
     await getFirstSigner()
   );
 
+export const getWETHGateway = async (address?: tEthereumAddress) =>
+  await WethGatewayFactory.connect(
+    address ||
+      (await getDb().get(`${eContractid.WETHGateway}.${BRE.network.name}`).value()).address,
+    await getFirstSigner()
+  );
+
+export const getWETHMocked = async (address?: tEthereumAddress) =>
+  await Weth9MockedFactory.connect(
+    address || (await getDb().get(`${eContractid.WETHMocked}.${BRE.network.name}`).value()).address,
+    await getFirstSigner()
+  );
+
 export const getMockAToken = async (address?: tEthereumAddress) =>
   await MockATokenFactory.connect(
     address || (await getDb().get(`${eContractid.MockAToken}.${BRE.network.name}`).value()).address,
@@ -239,9 +256,18 @@ export const getMockVariableDebtToken = async (address?: tEthereumAddress) =>
         .address,
     await getFirstSigner()
   );
+
 export const getMockStableDebtToken = async (address?: tEthereumAddress) =>
   await MockStableDebtTokenFactory.connect(
     address ||
       (await getDb().get(`${eContractid.MockStableDebtToken}.${BRE.network.name}`).value()).address,
     await getFirstSigner()
   );
+
+export const getSelfdestructTransferMock = async (address?: tEthereumAddress) =>
+  await SelfdestructTransferFactory.connect(
+    address ||
+      (await getDb().get(`${eContractid.SelfdestructTransferMock}.${BRE.network.name}`).value())
+        .address,
+    await getFirstSigner()
+  );
diff --git a/helpers/etherscan-verification.ts b/helpers/etherscan-verification.ts
index a7393f0a..f02b00ec 100644
--- a/helpers/etherscan-verification.ts
+++ b/helpers/etherscan-verification.ts
@@ -52,7 +52,7 @@ export const verifyContract = async (
       '[ETHERSCAN][WARNING] Delaying Etherscan verification due their API can not find newly deployed contracts'
     );
     const msDelay = 3000;
-    const times = 60;
+    const times = 15;
     // Write a temporal file to host complex parameters for buidler-etherscan https://github.com/nomiclabs/buidler/tree/development/packages/buidler-etherscan#complex-arguments
     const {fd, path, cleanup} = await file({
       prefix: 'verify-params-',
diff --git a/helpers/misc-utils.ts b/helpers/misc-utils.ts
index 3df0e7d8..ee30f870 100644
--- a/helpers/misc-utils.ts
+++ b/helpers/misc-utils.ts
@@ -5,8 +5,7 @@ import FileSync from 'lowdb/adapters/FileSync';
 import {WAD} from './constants';
 import {Wallet, ContractTransaction} from 'ethers';
 import {BuidlerRuntimeEnvironment} from '@nomiclabs/buidler/types';
-import path from 'path';
-import fs from 'fs';
+import {createBrotliCompress} from 'zlib';
 
 export const toWad = (value: string | number) => new BigNumber(value).times(WAD).toFixed();
 
@@ -62,3 +61,26 @@ export const chunk = <T>(arr: Array<T>, chunkSize: number): Array<Array<T>> => {
     []
   );
 };
+
+interface DbEntry {
+  [network: string]: {
+    deployer: string;
+    address: string;
+  };
+}
+
+export const printContracts = () => {
+  const network = BRE.network.name;
+  const db = getDb();
+  console.log('Contracts deployed at', network);
+  console.log('---------------------------------');
+
+  const entries = Object.entries<DbEntry>(db.getState()).filter(([_k, value]) => !!value[network]);
+
+  const contractsPrint = entries.map(
+    ([key, value]: [string, DbEntry]) => `${key}: ${value[network].address}`
+  );
+
+  console.log('N# Contracts:', entries.length);
+  console.log(contractsPrint.join('\n'), '\n');
+};
diff --git a/helpers/types.ts b/helpers/types.ts
index 80f3846d..3670d880 100644
--- a/helpers/types.ts
+++ b/helpers/types.ts
@@ -59,6 +59,10 @@ export enum eContractid {
   TokenDistributor = 'TokenDistributor',
   StableAndVariableTokensHelper = 'StableAndVariableTokensHelper',
   ATokensAndRatesHelper = 'ATokensAndRatesHelper',
+  WETHGateway = 'WETHGateway',
+  WETH = 'WETH',
+  WETHMocked = 'WETHMocked',
+  SelfdestructTransferMock = 'SelfdestructTransferMock',
 }
 
 /*
@@ -176,7 +180,7 @@ export interface iAssetBase<T> {
   USDC: T;
   USDT: T;
   SUSD: T;
-  LEND: T;
+  AAVE: T;
   BAT: T;
   REP: T;
   MKR: T;
@@ -187,8 +191,11 @@ export interface iAssetBase<T> {
   ZRX: T;
   SNX: T;
   BUSD: T;
-
+  YFI: T;
+  UNI: T;
   USD: T;
+  REN: T;
+  ENJ: T;
 
   UNI_DAI_ETH: T;
   UNI_USDC_ETH: T;
@@ -209,7 +216,7 @@ export type iAavePoolAssets<T> = Pick<
   | 'USDC'
   | 'USDT'
   | 'SUSD'
-  | 'LEND'
+  | 'AAVE'
   | 'BAT'
   | 'REP'
   | 'MKR'
@@ -221,6 +228,10 @@ export type iAavePoolAssets<T> = Pick<
   | 'SNX'
   | 'BUSD'
   | 'WETH'
+  | 'YFI'
+  | 'UNI'
+  | 'REN'
+  | 'ENJ'
 >;
 
 export type iUniAssets<T> = Pick<
@@ -250,7 +261,7 @@ export type iAssetAggregatorBase<T> = iAssetsWithoutETH<T>;
 
 export enum TokenContractId {
   DAI = 'DAI',
-  LEND = 'LEND',
+  AAVE = 'AAVE',
   TUSD = 'TUSD',
   BAT = 'BAT',
   WETH = 'WETH',
@@ -264,9 +275,13 @@ export enum TokenContractId {
   KNC = 'KNC',
   MANA = 'MANA',
   REP = 'REP',
+  REN = 'REN',
   SNX = 'SNX',
   BUSD = 'BUSD',
   USD = 'USD',
+  YFI = 'YFI',
+  UNI = 'UNI',
+  ENJ = 'ENJ',
   UNI_DAI_ETH = 'UNI_DAI_ETH',
   UNI_USDC_ETH = 'UNI_USDC_ETH',
   UNI_SETH_ETH = 'UNI_SETH_ETH',
@@ -362,7 +377,6 @@ export interface ILendingRate {
 export interface ICommonConfiguration {
   ConfigName: string;
   ProviderId: number;
-  ReserveSymbols: string[];
   ProtocolGlobalParams: IProtocolGlobalConfig;
   Mocks: IMocksConfig;
   ProviderRegistry: iParamsPerNetwork<tEthereumAddress | undefined>;
@@ -378,6 +392,7 @@ export interface ICommonConfiguration {
   ReservesConfig: iMultiPoolsAssets<IReserveParams>;
   ATokenDomainSeparator: iParamsPerNetwork<string>;
   ProxyPriceProvider: iParamsPerNetwork<tEthereumAddress>;
+  WETH: iParamsPerNetwork<tEthereumAddress>;
 }
 
 export interface IAaveConfiguration extends ICommonConfiguration {
diff --git a/package-lock.json b/package-lock.json
index de4f3707..84b80849 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1952,6 +1952,16 @@
       "integrity": "sha512-MM8PmsblePaxy5BCYEuPtR4ajigPf504VRQzZgFYqs6KuFnJxbOjF8jNYT12P6UvUX7us75Wc78QdbvOHbb4hA==",
       "dev": true
     },
+    "@types/bignumber.js": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@types/bignumber.js/-/bignumber.js-5.0.0.tgz",
+      "integrity": "sha512-0DH7aPGCClywOFaxxjE6UwpN2kQYe9LwuDQMv+zYA97j5GkOMo8e66LYT+a8JYU7jfmUFRZLa9KycxHDsKXJCA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "bignumber.js": "*"
+      }
+    },
     "@types/bn.js": {
       "version": "4.11.6",
       "resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.6.tgz",
@@ -2295,6 +2305,15 @@
         "type-fest": "^0.11.0"
       }
     },
+    "ansi-gray": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
+      "integrity": "sha1-KWLPVOyXksSFEKPetSRDaGHvclE=",
+      "dev": true,
+      "requires": {
+        "ansi-wrap": "0.1.0"
+      }
+    },
     "ansi-regex": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
@@ -2310,6 +2329,12 @@
         "color-convert": "^1.9.0"
       }
     },
+    "ansi-wrap": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
+      "integrity": "sha1-qCJQ3bABXponyoLoLqYDu/pF768=",
+      "dev": true
+    },
     "any-promise": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
@@ -2326,6 +2351,15 @@
         "picomatch": "^2.0.4"
       }
     },
+    "append-buffer": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/append-buffer/-/append-buffer-1.0.2.tgz",
+      "integrity": "sha1-2CIM9GYIFSXv6lBhTz3mUU36WPE=",
+      "dev": true,
+      "requires": {
+        "buffer-equal": "^1.0.0"
+      }
+    },
     "archive-type": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/archive-type/-/archive-type-4.0.0.tgz",
@@ -2343,6 +2377,12 @@
         }
       }
     },
+    "archy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
+      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
+      "dev": true
+    },
     "arg": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
@@ -2358,6 +2398,42 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "arr-diff": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
+      "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
+      "dev": true
+    },
+    "arr-filter": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/arr-filter/-/arr-filter-1.1.2.tgz",
+      "integrity": "sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=",
+      "dev": true,
+      "requires": {
+        "make-iterator": "^1.0.0"
+      }
+    },
+    "arr-flatten": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
+      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
+      "dev": true
+    },
+    "arr-map": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/arr-map/-/arr-map-2.0.2.tgz",
+      "integrity": "sha1-Onc0X/wc814qkYJWAfnljy4kysQ=",
+      "dev": true,
+      "requires": {
+        "make-iterator": "^1.0.0"
+      }
+    },
+    "arr-union": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
+      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
+      "dev": true
+    },
     "array-back": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/array-back/-/array-back-2.0.0.tgz",
@@ -2373,18 +2449,90 @@
       "integrity": "sha512-THtfYS6KtME/yIAhKjZ2ul7XI96lQGHRputJQHO80LAWQnuGP4iCIN8vdMRboGbIEYBwU33q8Tch1os2+X0kMg==",
       "dev": true
     },
+    "array-each": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/array-each/-/array-each-1.0.1.tgz",
+      "integrity": "sha1-p5SvDAWrF1KEbudTofIRoFugxE8=",
+      "dev": true
+    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
       "dev": true
     },
+    "array-initial": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/array-initial/-/array-initial-1.1.0.tgz",
+      "integrity": "sha1-L6dLJnOTccOUe9enrcc74zSz15U=",
+      "dev": true,
+      "requires": {
+        "array-slice": "^1.0.0",
+        "is-number": "^4.0.0"
+      },
+      "dependencies": {
+        "is-number": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-4.0.0.tgz",
+          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==",
+          "dev": true
+        }
+      }
+    },
+    "array-last": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/array-last/-/array-last-1.3.0.tgz",
+      "integrity": "sha512-eOCut5rXlI6aCOS7Z7kCplKRKyiFQ6dHFBem4PwlwKeNFk2/XxTrhRh5T9PyaEWGy/NHTZWbY+nsZlNFJu9rYg==",
+      "dev": true,
+      "requires": {
+        "is-number": "^4.0.0"
+      },
+      "dependencies": {
+        "is-number": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-4.0.0.tgz",
+          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==",
+          "dev": true
+        }
+      }
+    },
+    "array-slice": {
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+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+          "dev": true
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
+      }
+    },
+    "vinyl-sourcemap": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz",
+      "integrity": "sha1-kqgAWTo4cDqM2xHYswCtS+Y7PhY=",
+      "dev": true,
+      "requires": {
+        "append-buffer": "^1.0.2",
+        "convert-source-map": "^1.5.0",
+        "graceful-fs": "^4.1.6",
+        "normalize-path": "^2.1.1",
+        "now-and-later": "^2.0.0",
+        "remove-bom-buffer": "^3.0.0",
+        "vinyl": "^2.0.0"
+      },
+      "dependencies": {
+        "normalize-path": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
+          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
+          "dev": true,
+          "requires": {
+            "remove-trailing-separator": "^1.0.1"
+          }
+        }
+      }
+    },
     "web3": {
       "version": "1.2.6",
       "resolved": "https://registry.npmjs.org/web3/-/web3-1.2.6.tgz",
diff --git a/package.json b/package.json
index 931b1186..71561eb9 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "aave:docker:full:migration": "npm run buidler:docker -- aave:full",
     "aave:kovan:dev:migration": "npm run buidler:kovan -- aave:dev --verify",
     "aave:kovan:full:migration": "npm run buidler:kovan -- aave:full --verify",
+    "aave:kovan:full:initialize": "npm run buidler:kovan -- full:initialize-lending-pool --verify --pool Aave",
     "aave:ropsten:dev:migration": "npm run buidler:ropsten -- aave:dev --verify",
     "aave:ropsten:full:migration": "npm run buidler:ropsten -- aave:full --verify",
     "aave:main:dev:migration": "npm run buidler:main -- aave:dev --verify",
@@ -34,6 +35,7 @@
     "uniswap:main:full:migration": "npm run buidler:main -- uniswap:full --verify",
     "test-repay-with-collateral": "buidler test test/__setup.spec.ts test/repay-with-collateral.spec.ts",
     "test-liquidate-with-collateral": "buidler test test/__setup.spec.ts test/flash-liquidation-with-collateral.spec.ts",
+    "test-liquidate-underlying": "buidler test test/__setup.spec.ts test/liquidation-underlying.spec.ts",
     "test-transfers": "buidler test test/__setup.spec.ts test/atoken-transfer.spec.ts",
     "test-flash": "buidler test test/__setup.spec.ts test/flashloan.spec.ts",
     "test-liquidate": "buidler test test/__setup.spec.ts test/liquidation-atoken.spec.ts",
@@ -42,12 +44,16 @@
     "test-permit": "buidler test test/__setup.spec.ts test/atoken-permit.spec.ts",
     "test-stable-and-atokens": "buidler test test/__setup.spec.ts test/atoken-transfer.spec.ts test/stable-token.spec.ts",
     "test-subgraph:scenarios": "buidler --network buidlerevm_docker test test/__setup.spec.ts test/subgraph-scenarios.spec.ts",
+    "test-weth": "buidler test test/__setup.spec.ts test/weth-gateway.spec.ts",
     "dev:coverage": "buidler coverage --network coverage",
     "dev:deployment": "buidler dev-deployment",
     "dev:deployExample": "buidler deploy-Example",
     "dev:prettier": "prettier --write .",
     "ci:test": "npm run compile && npm run types-gen && npm run test",
-    "ci:clean": "rm -rf ./artifacts ./cache ./types"
+    "ci:clean": "rm -rf ./artifacts ./cache ./types",
+    "print-contracts:kovan": "npm run buidler:kovan -- print-contracts",
+    "print-contracts:main": "npm run buidler:main -- print-contracts",
+    "print-contracts:ropsten": "npm run buidler:main -- print-contracts"
   },
   "devDependencies": {
     "@nomiclabs/buidler": "^1.4.7",
diff --git a/tasks/dev/1_mock_tokens.ts b/tasks/dev/1_mock_tokens.ts
index efa3ca04..cff4630c 100644
--- a/tasks/dev/1_mock_tokens.ts
+++ b/tasks/dev/1_mock_tokens.ts
@@ -1,7 +1,7 @@
 import {task} from '@nomiclabs/buidler/config';
 import {deployAllMockTokens} from '../../helpers/contracts-deployments';
 task('dev:deploy-mock-tokens', 'Deploy mock tokens for dev enviroment')
-  .addOptionalParam('verify', 'Verify contracts at Etherscan')
+  .addFlag('verify', 'Verify contracts at Etherscan')
   .setAction(async ({verify}, localBRE) => {
     await localBRE.run('set-bre');
     await deployAllMockTokens(verify);
diff --git a/tasks/dev/2_address_provider_registry.ts b/tasks/dev/2_address_provider_registry.ts
index 1c3da96d..f14af75c 100644
--- a/tasks/dev/2_address_provider_registry.ts
+++ b/tasks/dev/2_address_provider_registry.ts
@@ -9,7 +9,7 @@ task(
   'dev:deploy-address-provider',
   'Deploy address provider, registry and fee provider for dev enviroment'
 )
-  .addOptionalParam('verify', 'Verify contracts at Etherscan')
+  .addFlag('verify', 'Verify contracts at Etherscan')
   .setAction(async ({verify}, localBRE) => {
     await localBRE.run('set-bre');
 
diff --git a/tasks/dev/3_lending_pool.ts b/tasks/dev/3_lending_pool.ts
index 866bd6b7..1124f150 100644
--- a/tasks/dev/3_lending_pool.ts
+++ b/tasks/dev/3_lending_pool.ts
@@ -15,7 +15,7 @@ import {
 import {insertContractAddressInDb} from '../../helpers/contracts-helpers';
 
 task('dev:deploy-lending-pool', 'Deploy lending pool for dev enviroment')
-  .addOptionalParam('verify', 'Verify contracts at Etherscan')
+  .addFlag('verify', 'Verify contracts at Etherscan')
   .setAction(async ({verify}, localBRE) => {
     await localBRE.run('set-bre');
 
diff --git a/tasks/dev/4_oracles.ts b/tasks/dev/4_oracles.ts
index a20e2381..7546bf92 100644
--- a/tasks/dev/4_oracles.ts
+++ b/tasks/dev/4_oracles.ts
@@ -21,7 +21,7 @@ import {
 } from '../../helpers/contracts-getters';
 
 task('dev:deploy-oracles', 'Deploy oracles for dev enviroment')
-  .addOptionalParam('verify', 'Verify contracts at Etherscan')
+  .addFlag('verify', 'Verify contracts at Etherscan')
   .addParam('pool', `Pool name to retrieve configuration, supported: ${Object.values(ConfigNames)}`)
   .setAction(async ({verify, pool}, localBRE) => {
     await localBRE.run('set-bre');
diff --git a/tasks/dev/5_initialize.ts b/tasks/dev/5_initialize.ts
index d4ce0c5d..90368ab5 100644
--- a/tasks/dev/5_initialize.ts
+++ b/tasks/dev/5_initialize.ts
@@ -4,8 +4,14 @@ import {
   deployMockFlashLoanReceiver,
   deployWalletBalancerProvider,
   deployAaveProtocolTestHelpers,
+  deployWETHGateway,
 } from '../../helpers/contracts-deployments';
-import {getReservesConfigByPool} from '../../helpers/configuration';
+import {
+  ConfigNames,
+  getReservesConfigByPool,
+  getWethAddress,
+  loadPoolConfig,
+} from '../../helpers/configuration';
 
 import {tEthereumAddress, AavePools, eContractid} from '../../helpers/types';
 import {waitForTx, filterMapBy} from '../../helpers/misc-utils';
@@ -16,28 +22,23 @@ import {
 } from '../../helpers/init-helpers';
 import {getAllTokenAddresses} from '../../helpers/mock-helpers';
 import {ZERO_ADDRESS} from '../../helpers/constants';
-import {
-  getAllMockedTokens,
-  getLendingPool,
-  getLendingPoolConfiguratorProxy,
-  getLendingPoolAddressesProvider,
-} from '../../helpers/contracts-getters';
+import {getAllMockedTokens, getLendingPoolAddressesProvider} from '../../helpers/contracts-getters';
 import {insertContractAddressInDb} from '../../helpers/contracts-helpers';
 
 task('dev:initialize-lending-pool', 'Initialize lending pool configuration.')
-  .addOptionalParam('verify', 'Verify contracts at Etherscan')
-  .setAction(async ({verify}, localBRE) => {
+  .addFlag('verify', 'Verify contracts at Etherscan')
+  .addParam('pool', `Pool name to retrieve configuration, supported: ${Object.values(ConfigNames)}`)
+  .setAction(async ({verify, pool}, localBRE) => {
     await localBRE.run('set-bre');
+    const poolConfig = loadPoolConfig(pool);
 
     const mockTokens = await getAllMockedTokens();
-    const lendingPoolProxy = await getLendingPool();
-    const lendingPoolConfiguratorProxy = await getLendingPoolConfiguratorProxy();
     const allTokenAddresses = getAllTokenAddresses(mockTokens);
 
     const addressesProvider = await getLendingPoolAddressesProvider();
 
     const protoPoolReservesAddresses = <{[symbol: string]: tEthereumAddress}>(
-      filterMapBy(allTokenAddresses, (key: string) => !key.includes('UNI'))
+      filterMapBy(allTokenAddresses, (key: string) => !key.includes('UNI_'))
     );
 
     const testHelpers = await deployAaveProtocolTestHelpers(addressesProvider.address, verify);
@@ -77,4 +78,8 @@ task('dev:initialize-lending-pool', 'Initialize lending pool configuration.')
     await deployWalletBalancerProvider(addressesProvider.address, verify);
 
     await insertContractAddressInDb(eContractid.AaveProtocolTestHelpers, testHelpers.address);
+
+    const lendingPoolAddress = await addressesProvider.getLendingPool();
+    const wethAddress = await getWethAddress(poolConfig);
+    await deployWETHGateway([wethAddress, lendingPoolAddress]);
   });
diff --git a/tasks/dev/6_wallet_balance_provider.ts b/tasks/dev/6_wallet_balance_provider.ts
new file mode 100644
index 00000000..beec8dd7
--- /dev/null
+++ b/tasks/dev/6_wallet_balance_provider.ts
@@ -0,0 +1,13 @@
+import {task} from '@nomiclabs/buidler/config';
+import {deployWalletBalancerProvider} from '../../helpers/contracts-deployments';
+
+import {getLendingPoolAddressesProvider} from '../../helpers/contracts-getters';
+
+task('dev:wallet-balance-provider', 'Initialize lending pool configuration.')
+  .addFlag('verify', 'Verify contracts at Etherscan')
+  .setAction(async ({verify}, localBRE) => {
+    await localBRE.run('set-bre');
+
+    const addressesProvider = await getLendingPoolAddressesProvider();
+    await deployWalletBalancerProvider(addressesProvider.address, verify);
+  });
diff --git a/tasks/full/3_oracles.ts b/tasks/full/3_oracles.ts
index a7a39a8c..e7a28329 100644
--- a/tasks/full/3_oracles.ts
+++ b/tasks/full/3_oracles.ts
@@ -26,12 +26,11 @@ task('full:deploy-oracles', 'Deploy oracles for dev enviroment')
         ProtocolGlobalParams: {UsdAddress},
         LendingRateOracleRatesCommon,
         ReserveAssets,
-        ReserveSymbols,
         FallbackOracle,
         ChainlinkAggregator,
       } = poolConfig as ICommonConfiguration;
       const lendingRateOracles = filterMapBy(LendingRateOracleRatesCommon, (key) =>
-        ReserveSymbols.includes(key)
+        Object.keys(ReserveAssets[network]).includes(key)
       );
       const addressesProvider = await getLendingPoolAddressesProvider();
       const admin = await addressesProvider.getAaveAdmin();
diff --git a/tasks/full/5_initialize.ts b/tasks/full/5_initialize.ts
index ddc789d1..c9ef9b3b 100644
--- a/tasks/full/5_initialize.ts
+++ b/tasks/full/5_initialize.ts
@@ -4,8 +4,9 @@ import {
   deployLendingPoolCollateralManager,
   deployWalletBalancerProvider,
   deployAaveProtocolTestHelpers,
+  deployWETHGateway,
 } from '../../helpers/contracts-deployments';
-import {loadPoolConfig, ConfigNames} from '../../helpers/configuration';
+import {loadPoolConfig, ConfigNames, getWethAddress} from '../../helpers/configuration';
 import {eEthereumNetwork, ICommonConfiguration} from '../../helpers/types';
 import {waitForTx} from '../../helpers/misc-utils';
 import {
@@ -14,11 +15,7 @@ import {
   enableReservesAsCollateralByHelper,
 } from '../../helpers/init-helpers';
 import {exit} from 'process';
-import {
-  getLendingPool,
-  getLendingPoolConfiguratorProxy,
-  getLendingPoolAddressesProvider,
-} from '../../helpers/contracts-getters';
+import {getLendingPoolAddressesProvider} from '../../helpers/contracts-getters';
 import {ZERO_ADDRESS} from '../../helpers/constants';
 
 task('full:initialize-lending-pool', 'Initialize lending pool configuration.')
@@ -32,8 +29,6 @@ task('full:initialize-lending-pool', 'Initialize lending pool configuration.')
       const {ReserveAssets, ReservesConfig} = poolConfig as ICommonConfiguration;
 
       const reserveAssets = await getParamPerNetwork(ReserveAssets, network);
-      const lendingPoolProxy = await getLendingPool();
-      const lendingPoolConfiguratorProxy = await getLendingPoolConfiguratorProxy();
 
       const addressesProvider = await getLendingPoolAddressesProvider();
 
@@ -54,6 +49,11 @@ task('full:initialize-lending-pool', 'Initialize lending pool configuration.')
       );
 
       await deployWalletBalancerProvider(addressesProvider.address, verify);
+
+      const wethAddress = await getWethAddress(poolConfig);
+      const lendingPoolAddress = await addressesProvider.getLendingPool();
+
+      await deployWETHGateway([wethAddress, lendingPoolAddress]);
     } catch (err) {
       console.error(err);
       exit(1);
diff --git a/tasks/migrations/aave.dev.ts b/tasks/migrations/aave.dev.ts
index 03bacb94..3be0502e 100644
--- a/tasks/migrations/aave.dev.ts
+++ b/tasks/migrations/aave.dev.ts
@@ -1,6 +1,7 @@
 import {task} from '@nomiclabs/buidler/config';
 import {checkVerification} from '../../helpers/etherscan-verification';
 import {ConfigNames} from '../../helpers/configuration';
+import {printContracts} from '../../helpers/misc-utils';
 
 task('aave:dev', 'Deploy development enviroment')
   .addOptionalParam('verify', 'Verify contracts at Etherscan')
@@ -29,7 +30,8 @@ task('aave:dev', 'Deploy development enviroment')
     await localBRE.run('dev:deploy-oracles', {verify, pool: POOL_NAME});
 
     console.log('5. Initialize lending pool');
-    await localBRE.run('dev:initialize-lending-pool', {verify});
+    await localBRE.run('dev:initialize-lending-pool', {verify, pool: POOL_NAME});
 
     console.log('\nFinished migration');
+    printContracts();
   });
diff --git a/tasks/migrations/aave.full.ts b/tasks/migrations/aave.full.ts
index fb119103..50ae51d2 100644
--- a/tasks/migrations/aave.full.ts
+++ b/tasks/migrations/aave.full.ts
@@ -2,6 +2,7 @@ import {task} from '@nomiclabs/buidler/config';
 import {checkVerification} from '../../helpers/etherscan-verification';
 import {ConfigNames} from '../../helpers/configuration';
 import {EthereumNetworkNames} from '../../helpers/types';
+import {printContracts} from '../../helpers/misc-utils';
 
 task('aave:full', 'Deploy development enviroment')
   .addFlag('verify', 'Verify contracts at Etherscan')
@@ -28,4 +29,5 @@ task('aave:full', 'Deploy development enviroment')
     await localBRE.run('full:initialize-lending-pool', {verify, pool: POOL_NAME});
 
     console.log('\nFinished migrations');
+    printContracts();
   });
diff --git a/tasks/migrations/uniswap.dev.ts b/tasks/migrations/uniswap.dev.ts
index e6c5b3e8..5ad2c544 100644
--- a/tasks/migrations/uniswap.dev.ts
+++ b/tasks/migrations/uniswap.dev.ts
@@ -29,7 +29,7 @@ task('uniswap:dev', 'Deploy development enviroment')
     await localBRE.run('dev:deploy-oracles', {verify, pool: POOL_NAME});
 
     console.log('5. Initialize lending pool');
-    await localBRE.run('dev:initialize-lending-pool', {verify});
+    await localBRE.run('dev:initialize-lending-pool', {verify, pool: POOL_NAME});
 
     console.log('\nFinished migration');
   });
diff --git a/tasks/misc/print-contracts.ts b/tasks/misc/print-contracts.ts
new file mode 100644
index 00000000..a5c42bba
--- /dev/null
+++ b/tasks/misc/print-contracts.ts
@@ -0,0 +1,9 @@
+import {task} from '@nomiclabs/buidler/config';
+import {printContracts} from '../../helpers/misc-utils';
+
+task('print-contracts', 'Inits the BRE, to have access to all the plugins').setAction(
+  async ({}, localBRE) => {
+    await localBRE.run('set-bre');
+    printContracts();
+  }
+);
diff --git a/test/__setup.spec.ts b/test/__setup.spec.ts
index 4e6f24f8..f412dec7 100644
--- a/test/__setup.spec.ts
+++ b/test/__setup.spec.ts
@@ -20,6 +20,8 @@ import {
   deployLendingRateOracle,
   deployStableAndVariableTokensHelper,
   deployATokensAndRatesHelper,
+  deployWETHGateway,
+  deployWETHMocked,
 } from '../helpers/contracts-deployments';
 import {Signer} from 'ethers';
 import {TokenContractId, eContractid, tEthereumAddress, AavePools} from '../helpers/types';
@@ -45,6 +47,7 @@ import {
   getLendingPoolConfiguratorProxy,
   getPairsTokenAggregator,
 } from '../helpers/contracts-getters';
+import {Weth9Mocked} from '../types/Weth9Mocked';
 
 const MOCK_USD_PRICE_IN_WEI = AaveConfig.ProtocolGlobalParams.MockUsdPriceInWei;
 const ALL_ASSETS_INITIAL_PRICES = AaveConfig.Mocks.AllAssetsInitialPrices;
@@ -53,12 +56,17 @@ const MOCK_CHAINLINK_AGGREGATORS_PRICES = AaveConfig.Mocks.ChainlinkAggregatorPr
 const LENDING_RATE_ORACLE_RATES_COMMON = AaveConfig.LendingRateOracleRatesCommon;
 
 const deployAllMockTokens = async (deployer: Signer) => {
-  const tokens: {[symbol: string]: MockContract | MintableERC20} = {};
+  const tokens: {[symbol: string]: MockContract | MintableERC20 | Weth9Mocked} = {};
 
   const protoConfigData = getReservesConfigByPool(AavePools.proto);
   const secondaryConfigData = getReservesConfigByPool(AavePools.secondary);
 
   for (const tokenSymbol of Object.keys(TokenContractId)) {
+    if (tokenSymbol === 'WETH') {
+      tokens[tokenSymbol] = await deployWETHMocked();
+      await registerContractInJsonDb(tokenSymbol.toUpperCase(), tokens[tokenSymbol]);
+      continue;
+    }
     let decimals = 18;
 
     let configData = (<any>protoConfigData)[tokenSymbol];
@@ -87,6 +95,10 @@ const buildTestEnv = async (deployer: Signer, secondaryWallet: Signer) => {
   const aaveAdmin = await deployer.getAddress();
 
   const mockTokens = await deployAllMockTokens(deployer);
+  const mockTokenAddress = Object.keys(mockTokens).reduce<{[key: string]: string}>((acc, key) => {
+    acc[key] = mockTokens[key].address;
+    return acc;
+  }, {});
 
   const addressesProvider = await deployLendingPoolAddressesProvider();
   await waitForTx(await addressesProvider.setAaveAdmin(aaveAdmin));
@@ -100,8 +112,8 @@ const buildTestEnv = async (deployer: Signer, secondaryWallet: Signer) => {
 
   await waitForTx(await addressesProvider.setLendingPoolImpl(lendingPoolImpl.address));
 
-  const address = await addressesProvider.getLendingPool();
-  const lendingPoolProxy = await getLendingPool(address);
+  const lendingPoolAddress = await addressesProvider.getLendingPool();
+  const lendingPoolProxy = await getLendingPool(lendingPoolAddress);
 
   await insertContractAddressInDb(eContractid.LendingPool, lendingPoolProxy.address);
 
@@ -136,7 +148,7 @@ const buildTestEnv = async (deployer: Signer, secondaryWallet: Signer) => {
       USDC: mockTokens.USDC.address,
       USDT: mockTokens.USDT.address,
       SUSD: mockTokens.SUSD.address,
-      LEND: mockTokens.LEND.address,
+      AAVE: mockTokens.AAVE.address,
       BAT: mockTokens.BAT.address,
       REP: mockTokens.REP.address,
       MKR: mockTokens.MKR.address,
@@ -147,7 +159,10 @@ const buildTestEnv = async (deployer: Signer, secondaryWallet: Signer) => {
       ZRX: mockTokens.ZRX.address,
       SNX: mockTokens.SNX.address,
       BUSD: mockTokens.BUSD.address,
-
+      YFI: mockTokens.BUSD.address,
+      REN: mockTokens.REN.address,
+      UNI: mockTokens.UNI.address,
+      ENJ: mockTokens.ENJ.address,
       USD: USD_ADDRESS,
 
       UNI_DAI_ETH: mockTokens.UNI_DAI_ETH.address,
@@ -242,6 +257,8 @@ const buildTestEnv = async (deployer: Signer, secondaryWallet: Signer) => {
 
   await deployWalletBalancerProvider(addressesProvider.address);
 
+  await deployWETHGateway([mockTokens.WETH.address, lendingPoolAddress]);
+
   console.timeEnd('setup');
 };
 
diff --git a/test/helpers/make-suite.ts b/test/helpers/make-suite.ts
index 62eb1e39..f8b2656c 100644
--- a/test/helpers/make-suite.ts
+++ b/test/helpers/make-suite.ts
@@ -9,6 +9,8 @@ import {
   getLendingPoolConfiguratorProxy,
   getPriceOracle,
   getLendingPoolAddressesProviderRegistry,
+  getWETHMocked,
+  getWETHGateway,
 } from '../../helpers/contracts-getters';
 import {tEthereumAddress} from '../../helpers/types';
 import {LendingPool} from '../../types/LendingPool';
@@ -25,8 +27,14 @@ import {PriceOracle} from '../../types/PriceOracle';
 import {LendingPoolAddressesProvider} from '../../types/LendingPoolAddressesProvider';
 import {LendingPoolAddressesProviderRegistry} from '../../types/LendingPoolAddressesProviderRegistry';
 import {getEthersSigners} from '../../helpers/contracts-helpers';
+import {Weth9} from '../../types/Weth9';
+import {Weth9Mocked} from '../../types/Weth9Mocked';
+import {WethGateway} from '../../types/WethGateway';
+import {solidity} from 'ethereum-waffle';
+
 chai.use(bignumberChai());
 chai.use(almostEqual());
+chai.use(solidity);
 
 export interface SignerWithAddress {
   signer: Signer;
@@ -39,14 +47,15 @@ export interface TestEnv {
   configurator: LendingPoolConfigurator;
   oracle: PriceOracle;
   helpersContract: AaveProtocolTestHelpers;
-  weth: MintableERC20;
+  weth: Weth9Mocked;
   aWETH: AToken;
   dai: MintableERC20;
   aDai: AToken;
   usdc: MintableERC20;
-  lend: MintableERC20;
+  aave: MintableERC20;
   addressesProvider: LendingPoolAddressesProvider;
   registry: LendingPoolAddressesProviderRegistry;
+  wethGateway: WethGateway;
 }
 
 let buidlerevmSnapshotId: string = '0x1';
@@ -63,14 +72,15 @@ const testEnv: TestEnv = {
   configurator: {} as LendingPoolConfigurator,
   helpersContract: {} as AaveProtocolTestHelpers,
   oracle: {} as PriceOracle,
-  weth: {} as MintableERC20,
+  weth: {} as Weth9Mocked,
   aWETH: {} as AToken,
   dai: {} as MintableERC20,
   aDai: {} as AToken,
   usdc: {} as MintableERC20,
-  lend: {} as MintableERC20,
+  aave: {} as MintableERC20,
   addressesProvider: {} as LendingPoolAddressesProvider,
   registry: {} as LendingPoolAddressesProviderRegistry,
+  wethGateway: {} as WethGateway,
 } as TestEnv;
 
 export async function initializeMakeSuite() {
@@ -107,14 +117,14 @@ export async function initializeMakeSuite() {
 
   const daiAddress = reservesTokens.find((token) => token.symbol === 'DAI')?.tokenAddress;
   const usdcAddress = reservesTokens.find((token) => token.symbol === 'USDC')?.tokenAddress;
-  const lendAddress = reservesTokens.find((token) => token.symbol === 'LEND')?.tokenAddress;
+  const aaveAddress = reservesTokens.find((token) => token.symbol === 'AAVE')?.tokenAddress;
   const wethAddress = reservesTokens.find((token) => token.symbol === 'WETH')?.tokenAddress;
 
   if (!aDaiAddress || !aWEthAddress) {
     console.log(`atoken-modifiers.spec: aTokens not correctly initialized`);
     process.exit(1);
   }
-  if (!daiAddress || !usdcAddress || !lendAddress || !wethAddress) {
+  if (!daiAddress || !usdcAddress || !aaveAddress || !wethAddress) {
     console.log(`atoken-modifiers.spec: USDC or DAI not correctly initialized`);
     process.exit(1);
   }
@@ -124,8 +134,9 @@ export async function initializeMakeSuite() {
 
   testEnv.dai = await getMintableErc20(daiAddress);
   testEnv.usdc = await getMintableErc20(usdcAddress);
-  testEnv.lend = await getMintableErc20(lendAddress);
-  testEnv.weth = await getMintableErc20(wethAddress);
+  testEnv.aave = await getMintableErc20(aaveAddress);
+  testEnv.weth = await getWETHMocked(wethAddress);
+  testEnv.wethGateway = await getWETHGateway();
 }
 
 export function makeSuite(name: string, tests: (testEnv: TestEnv) => void) {
diff --git a/test/helpers/scenarios/set-use-as-collateral.json b/test/helpers/scenarios/set-use-as-collateral.json
index 871a78b9..e38e8438 100644
--- a/test/helpers/scenarios/set-use-as-collateral.json
+++ b/test/helpers/scenarios/set-use-as-collateral.json
@@ -136,13 +136,13 @@
       ]
     },
     {
-      "description": "User 1 Deposits 1000 LEND, disables WETH as collateral. Should revert as 1000 LEND are not enough to cover the debt (revert expected)",
+      "description": "User 1 Deposits 1000 AAVE, disables WETH as collateral. Should revert as 1000 AAVE are not enough to cover the debt (revert expected)",
       "actions": [
         {
           "name": "mint",
           "args": {
-            "reserve": "LEND",
-            "amount": "1000",
+            "reserve": "AAVE",
+            "amount": "10",
             "user": "1"
           },
           "expected": "success"
@@ -150,7 +150,7 @@
         {
           "name": "approve",
           "args": {
-            "reserve": "LEND",
+            "reserve": "AAVE",
             "user": "1"
           },
           "expected": "success"
@@ -158,9 +158,9 @@
         {
           "name": "deposit",
           "args": {
-            "reserve": "LEND",
+            "reserve": "AAVE",
 
-            "amount": "1000",
+            "amount": "10",
             "user": "1"
           },
           "expected": "success"
@@ -178,13 +178,13 @@
       ]
     },
     {
-      "description": "User 1 Deposits 64000 more LEND (enough to cover the DAI debt), disables WETH as collateral",
+      "description": "User 1 Deposits 640 more AAVE (enough to cover the DAI debt), disables WETH as collateral",
       "actions": [
         {
           "name": "mint",
           "args": {
-            "reserve": "LEND",
-            "amount": "64000",
+            "reserve": "AAVE",
+            "amount": "640",
             "user": "1"
           },
           "expected": "success"
@@ -192,9 +192,9 @@
         {
           "name": "deposit",
           "args": {
-            "reserve": "LEND",
+            "reserve": "AAVE",
 
-            "amount": "64000",
+            "amount": "640",
             "user": "1"
           },
           "expected": "success"
@@ -212,12 +212,12 @@
       ]
     },
     {
-      "description": "User 1 disables LEND as collateral (revert expected)",
+      "description": "User 1 disables AAVE as collateral (revert expected)",
       "actions": [
         {
           "name": "setUseAsCollateral",
           "args": {
-            "reserve": "LEND",
+            "reserve": "AAVE",
 
             "user": "1",
             "useAsCollateral": "false"
diff --git a/test/liquidation-atoken.spec.ts b/test/liquidation-atoken.spec.ts
index 8d4ba803..78b97842 100644
--- a/test/liquidation-atoken.spec.ts
+++ b/test/liquidation-atoken.spec.ts
@@ -96,7 +96,10 @@ makeSuite('LendingPool liquidation - liquidator receiving aToken', (testEnv) =>
 
     const userGlobalData = await pool.getUserAccountData(borrower.address);
 
-    expect(userGlobalData.healthFactor.toString()).to.be.bignumber.lt(oneEther, INVALID_HF);
+    expect(userGlobalData.healthFactor.toString()).to.be.bignumber.lt(
+      oneEther.toString(),
+      INVALID_HF
+    );
   });
 
   it('LIQUIDATION - Tries to liquidate a different currency than the loan principal', async () => {
diff --git a/test/liquidation-underlying.spec.ts b/test/liquidation-underlying.spec.ts
index 1bba749d..3a735e79 100644
--- a/test/liquidation-underlying.spec.ts
+++ b/test/liquidation-underlying.spec.ts
@@ -380,25 +380,25 @@ makeSuite('LendingPool liquidation - liquidator receiving the underlying asset',
     );
   });
 
-  it('User 4 deposits 1000 LEND - drops HF, liquidates the LEND, which results on a lower amount being liquidated', async () => {
-    const {lend, usdc, users, pool, oracle, helpersContract} = testEnv;
+  it('User 4 deposits 10 AAVE - drops HF, liquidates the AAVE, which results on a lower amount being liquidated', async () => {
+    const {aave, usdc, users, pool, oracle, helpersContract} = testEnv;
 
     const depositor = users[3];
     const borrower = users[4];
     const liquidator = users[5];
 
-    //mints LEND to borrower
-    await lend.connect(borrower.signer).mint(await convertToCurrencyDecimals(lend.address, '1000'));
+    //mints AAVE to borrower
+    await aave.connect(borrower.signer).mint(await convertToCurrencyDecimals(aave.address, '10'));
 
     //approve protocol to access the borrower wallet
-    await lend.connect(borrower.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL);
+    await aave.connect(borrower.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL);
 
-    //borrower deposits 1000 LEND
-    const amountLENDtoDeposit = await convertToCurrencyDecimals(lend.address, '1000');
+    //borrower deposits 10 AAVE
+    const amountToDeposit = await convertToCurrencyDecimals(aave.address, '10');
 
     await pool
       .connect(borrower.signer)
-      .deposit(lend.address, amountLENDtoDeposit, borrower.address, '0');
+      .deposit(aave.address, amountToDeposit, borrower.address, '0');
     const usdcPrice = await oracle.getAssetPrice(usdc.address);
 
     //drops HF below 1
@@ -421,19 +421,19 @@ makeSuite('LendingPool liquidation - liquidator receiving the underlying asset',
     );
 
     const usdcReserveDataBefore = await helpersContract.getReserveData(usdc.address);
-    const lendReserveDataBefore = await helpersContract.getReserveData(lend.address);
+    const aaveReserveDataBefore = await helpersContract.getReserveData(aave.address);
 
     const amountToLiquidate = new BigNumber(userReserveDataBefore.currentStableDebt.toString())
       .div(2)
       .decimalPlaces(0, BigNumber.ROUND_DOWN)
       .toFixed(0);
 
-    const collateralPrice = await oracle.getAssetPrice(lend.address);
+    const collateralPrice = await oracle.getAssetPrice(aave.address);
     const principalPrice = await oracle.getAssetPrice(usdc.address);
 
     await pool
       .connect(liquidator.signer)
-      .liquidationCall(lend.address, usdc.address, borrower.address, amountToLiquidate, false);
+      .liquidationCall(aave.address, usdc.address, borrower.address, amountToLiquidate, false);
 
     const userReserveDataAfter = await helpersContract.getUserReserveData(
       usdc.address,
@@ -443,17 +443,17 @@ makeSuite('LendingPool liquidation - liquidator receiving the underlying asset',
     const userGlobalDataAfter = await pool.getUserAccountData(borrower.address);
 
     const usdcReserveDataAfter = await helpersContract.getReserveData(usdc.address);
-    const lendReserveDataAfter = await helpersContract.getReserveData(lend.address);
+    const aaveReserveDataAfter = await helpersContract.getReserveData(aave.address);
 
-    const lendConfiguration = await helpersContract.getReserveConfigurationData(lend.address);
-    const collateralDecimals = lendConfiguration.decimals.toString();
-    const liquidationBonus = lendConfiguration.liquidationBonus.toString();
+    const aaveConfiguration = await helpersContract.getReserveConfigurationData(aave.address);
+    const collateralDecimals = aaveConfiguration.decimals.toString();
+    const liquidationBonus = aaveConfiguration.liquidationBonus.toString();
 
     const principalDecimals = (
       await helpersContract.getReserveConfigurationData(usdc.address)
     ).decimals.toString();
 
-    const expectedCollateralLiquidated = oneEther.multipliedBy('1000');
+    const expectedCollateralLiquidated = oneEther.multipliedBy('10');
 
     const expectedPrincipal = new BigNumber(collateralPrice.toString())
       .times(expectedCollateralLiquidated)
@@ -484,8 +484,8 @@ makeSuite('LendingPool liquidation - liquidator receiving the underlying asset',
       'Invalid principal available liquidity'
     );
 
-    expect(lendReserveDataAfter.availableLiquidity.toString()).to.be.bignumber.almostEqual(
-      new BigNumber(lendReserveDataBefore.availableLiquidity.toString())
+    expect(aaveReserveDataAfter.availableLiquidity.toString()).to.be.bignumber.almostEqual(
+      new BigNumber(aaveReserveDataBefore.availableLiquidity.toString())
         .minus(expectedCollateralLiquidated)
         .toFixed(0),
       'Invalid collateral available liquidity'
diff --git a/test/pausable-functions.spec.ts b/test/pausable-functions.spec.ts
index 01383c90..1073ab39 100644
--- a/test/pausable-functions.spec.ts
+++ b/test/pausable-functions.spec.ts
@@ -257,7 +257,7 @@ makeSuite('Pausable Pool', (testEnv: TestEnv) => {
     await configurator.setPoolPause(true);
 
     // Do liquidation
-    expect(
+    await expect(
       pool.liquidationCall(weth.address, usdc.address, borrower.address, amountToLiquidate, true)
     ).revertedWith(LP_IS_PAUSED);
 
diff --git a/test/token-distributor.spec.ts b/test/token-distributor.spec.ts
index fc8c822b..b4fabc19 100644
--- a/test/token-distributor.spec.ts
+++ b/test/token-distributor.spec.ts
@@ -126,7 +126,7 @@
 //             .toFixed()
 //         );
 //       } else {
-//         // 1 ether received from "burning" DAI and 264 LEND wei received from the 34% of the 777 LEND amount sent to the token distributor
+//         // 1 ether received from "burning" DAI and 264 AAVE wei received from the 34% of the 777 AAVE amount sent to the token distributor
 //         expect(recipientBurnBalanceAfter).to.be.equal('1000000000000000264');
 //       }
 //     }
@@ -177,7 +177,7 @@
 //         new BigNumber(ethBalancesBefore.receivers[index]).plus(ethAmountToReceiver).toFixed()
 //       );
 //     } else {
-//       // 1 ether received from "burning" DAI, 1 ether from ETH and 264 LEND wei received from the 34% of the 777 LEND amount sent to the token distributor
+//       // 1 ether received from "burning" DAI, 1 ether from ETH and 264 AAVE wei received from the 34% of the 777 AAVE amount sent to the token distributor
 //       expect(recipientBurnBalanceAfter).to.be.equal('2000000000000000264');
 //     }
 //   }
@@ -248,9 +248,9 @@
 //   //   );
 //   // });
 
-//   // it('Mints and transfers LEND to the TokenDistributor', async () => {
+//   // it('Mints and transfers AAVE to the TokenDistributor', async () => {
 //   //   await testAndExecMintAndTransferTokens(
-//   //     _tokenInstances.LEND,
+//   //     _tokenInstances.AAVE,
 //   //     _lendDistributionParams.amountToDistribute,
 //   //     _depositorAddress,
 //   //     _tokenDistributorInstance.address
@@ -259,8 +259,8 @@
 
 //   // it('distribute() for the receivers', async () => {
 //   //   await testAndExecDistributeToken(
-//   //     [_tokenInstances.DAI, _tokenInstances.LEND],
-//   //     _tokenInstances.LEND,
+//   //     [_tokenInstances.DAI, _tokenInstances.AAVE],
+//   //     _tokenInstances.AAVE,
 //   //     _tokenDistributorInstance,
 //   //     [_daiDistributionParams, _lendDistributionParams]
 //   //   );
@@ -269,7 +269,7 @@
 //   // it('Distributes the ETH to the receivers', async () => {
 //   //   await testAndExecDistributeEth(
 //   //     _tokenDistributorInstance,
-//   //     _tokenInstances.LEND,
+//   //     _tokenInstances.AAVE,
 //   //     _ethDistributionParams,
 //   //     _web3
 //   //   );
diff --git a/test/weth-gateway.spec.ts b/test/weth-gateway.spec.ts
new file mode 100644
index 00000000..f201a218
--- /dev/null
+++ b/test/weth-gateway.spec.ts
@@ -0,0 +1,310 @@
+import {MAX_UINT_AMOUNT} from '../helpers/constants';
+import {convertToCurrencyDecimals} from '../helpers/contracts-helpers';
+import {makeSuite, TestEnv} from './helpers/make-suite';
+import {formatEther, parseEther, parseUnits} from 'ethers/lib/utils';
+import {BRE, waitForTx} from '../helpers/misc-utils';
+import {BigNumber} from 'ethers';
+import {getStableDebtToken, getVariableDebtToken} from '../helpers/contracts-getters';
+import {WethGateway} from '../types/WethGateway';
+import {use} from 'chai';
+import {deploySelfdestructTransferMock} from '../helpers/contracts-deployments';
+
+const {expect} = require('chai');
+
+makeSuite('Use native ETH at LendingPool via WETHGateway', (testEnv: TestEnv) => {
+  const zero = BigNumber.from('0');
+  const depositSize = parseEther('5');
+
+  it('Deposit WETH', async () => {
+    const {users, wethGateway, aWETH, pool} = testEnv;
+
+    const user = users[1];
+
+    // Deposit with native ETH
+    await wethGateway.connect(user.signer).depositETH(user.address, '0', {value: depositSize});
+
+    const aTokensBalance = await aWETH.balanceOf(user.address);
+
+    expect(aTokensBalance).to.be.gt(zero);
+    expect(aTokensBalance).to.be.gte(depositSize);
+  });
+
+  it('Withdraw WETH - Partial', async () => {
+    const {users, wethGateway, aWETH, pool} = testEnv;
+
+    const user = users[1];
+    const priorEthersBalance = await user.signer.getBalance();
+    const aTokensBalance = await aWETH.balanceOf(user.address);
+
+    expect(aTokensBalance).to.be.gt(zero, 'User should have aTokens.');
+
+    // Partially withdraw native ETH
+    const partialWithdraw = await convertToCurrencyDecimals(aWETH.address, '2');
+
+    // Approve the aTokens to Gateway so Gateway can withdraw and convert to Ether
+    const approveTx = await aWETH
+      .connect(user.signer)
+      .approve(wethGateway.address, MAX_UINT_AMOUNT);
+    const {gasUsed: approveGas} = await waitForTx(approveTx);
+
+    // Partial Withdraw and send native Ether to user
+    const {gasUsed: withdrawGas} = await waitForTx(
+      await wethGateway.connect(user.signer).withdrawETH(partialWithdraw, user.address)
+    );
+
+    const afterPartialEtherBalance = await user.signer.getBalance();
+    const afterPartialATokensBalance = await aWETH.balanceOf(user.address);
+    const gasCosts = approveGas.add(withdrawGas).mul(approveTx.gasPrice);
+
+    expect(afterPartialEtherBalance).to.be.equal(
+      priorEthersBalance.add(partialWithdraw).sub(gasCosts),
+      'User ETHER balance should contain the partial withdraw'
+    );
+    expect(afterPartialATokensBalance).to.be.equal(
+      aTokensBalance.sub(partialWithdraw),
+      'User aWETH balance should be substracted'
+    );
+  });
+
+  it('Withdraw WETH - Full', async () => {
+    const {users, aWETH, wethGateway, pool} = testEnv;
+
+    const user = users[1];
+    const priorEthersBalance = await user.signer.getBalance();
+    const aTokensBalance = await aWETH.balanceOf(user.address);
+
+    expect(aTokensBalance).to.be.gt(zero, 'User should have aTokens.');
+
+    // Approve the aTokens to Gateway so Gateway can withdraw and convert to Ether
+    const approveTx = await aWETH
+      .connect(user.signer)
+      .approve(wethGateway.address, MAX_UINT_AMOUNT);
+    const {gasUsed: approveGas} = await waitForTx(approveTx);
+
+    // Full withdraw
+    const {gasUsed: withdrawGas} = await waitForTx(
+      await wethGateway.connect(user.signer).withdrawETH(MAX_UINT_AMOUNT, user.address)
+    );
+
+    const afterFullEtherBalance = await user.signer.getBalance();
+    const afterFullATokensBalance = await aWETH.balanceOf(user.address);
+    const gasCosts = approveGas.add(withdrawGas).mul(approveTx.gasPrice);
+
+    expect(afterFullEtherBalance).to.be.eq(
+      priorEthersBalance.add(aTokensBalance).sub(gasCosts),
+      'User ETHER balance should contain the full withdraw'
+    );
+    expect(afterFullATokensBalance).to.be.eq(0, 'User aWETH balance should be zero');
+  });
+
+  it('Borrow stable WETH and Full Repay with ETH', async () => {
+    const {users, wethGateway, aWETH, weth, pool, helpersContract} = testEnv;
+    const borrowSize = parseEther('1');
+    const repaySize = borrowSize.add(borrowSize.mul(5).div(100));
+    const user = users[1];
+
+    const {stableDebtTokenAddress} = await helpersContract.getReserveTokensAddresses(weth.address);
+
+    const stableDebtToken = await getStableDebtToken(stableDebtTokenAddress);
+
+    // Deposit with native ETH
+    await wethGateway.connect(user.signer).depositETH(user.address, '0', {value: depositSize});
+
+    const aTokensBalance = await aWETH.balanceOf(user.address);
+
+    expect(aTokensBalance).to.be.gt(zero);
+    expect(aTokensBalance).to.be.gte(depositSize);
+
+    // Borrow WETH with WETH as collateral
+    await waitForTx(
+      await pool.connect(user.signer).borrow(weth.address, borrowSize, '1', '0', user.address)
+    );
+
+    const debtBalance = await stableDebtToken.balanceOf(user.address);
+
+    expect(debtBalance).to.be.gt(zero);
+
+    // Full Repay WETH with native ETH
+    await waitForTx(
+      await wethGateway
+        .connect(user.signer)
+        .repayETH(MAX_UINT_AMOUNT, '1', user.address, {value: repaySize})
+    );
+
+    const debtBalanceAfterRepay = await stableDebtToken.balanceOf(user.address);
+    expect(debtBalanceAfterRepay).to.be.eq(zero);
+  });
+
+  it('Borrow variable WETH and Full Repay with ETH', async () => {
+    const {users, wethGateway, aWETH, weth, pool, helpersContract} = testEnv;
+    const borrowSize = parseEther('1');
+    const repaySize = borrowSize.add(borrowSize.mul(5).div(100));
+    const user = users[1];
+
+    const {variableDebtTokenAddress} = await helpersContract.getReserveTokensAddresses(
+      weth.address
+    );
+
+    const varDebtToken = await getVariableDebtToken(variableDebtTokenAddress);
+
+    // Deposit with native ETH
+    await wethGateway.connect(user.signer).depositETH(user.address, '0', {value: depositSize});
+
+    const aTokensBalance = await aWETH.balanceOf(user.address);
+
+    expect(aTokensBalance).to.be.gt(zero);
+    expect(aTokensBalance).to.be.gte(depositSize);
+
+    // Borrow WETH with WETH as collateral
+    await waitForTx(
+      await pool.connect(user.signer).borrow(weth.address, borrowSize, '2', '0', user.address)
+    );
+
+    const debtBalance = await varDebtToken.balanceOf(user.address);
+
+    expect(debtBalance).to.be.gt(zero);
+
+    // Partial Repay WETH loan with native ETH
+    const partialPayment = repaySize.div(2);
+    await waitForTx(
+      await wethGateway
+        .connect(user.signer)
+        .repayETH(partialPayment, '2', user.address, {value: partialPayment})
+    );
+
+    const debtBalanceAfterPartialRepay = await varDebtToken.balanceOf(user.address);
+    expect(debtBalanceAfterPartialRepay).to.be.lt(debtBalance);
+
+    // Full Repay WETH loan with native ETH
+    await waitForTx(
+      await wethGateway
+        .connect(user.signer)
+        .repayETH(MAX_UINT_AMOUNT, '2', user.address, {value: repaySize})
+    );
+    const debtBalanceAfterFullRepay = await varDebtToken.balanceOf(user.address);
+    expect(debtBalanceAfterFullRepay).to.be.eq(zero);
+  });
+
+  it('Should revert if receiver function receives Ether if not WETH', async () => {
+    const {users, wethGateway} = testEnv;
+    const user = users[0];
+    const amount = parseEther('1');
+
+    // Call receiver function (empty data + value)
+    await expect(
+      user.signer.sendTransaction({
+        to: wethGateway.address,
+        value: amount,
+        gasLimit: BRE.network.config.gas,
+      })
+    ).to.be.revertedWith('Receive not allowed');
+  });
+
+  it('Should revert if fallback functions is called with Ether', async () => {
+    const {users, wethGateway} = testEnv;
+    const user = users[0];
+    const amount = parseEther('1');
+    const fakeABI = ['function wantToCallFallback()'];
+    const abiCoder = new BRE.ethers.utils.Interface(fakeABI);
+    const fakeMethodEncoded = abiCoder.encodeFunctionData('wantToCallFallback', []);
+
+    // Call fallback function with value
+    await expect(
+      user.signer.sendTransaction({
+        to: wethGateway.address,
+        data: fakeMethodEncoded,
+        value: amount,
+        gasLimit: BRE.network.config.gas,
+      })
+    ).to.be.revertedWith('Fallback not allowed');
+  });
+
+  it('Should revert if fallback functions is called', async () => {
+    const {users, wethGateway} = testEnv;
+    const user = users[0];
+
+    const fakeABI = ['function wantToCallFallback()'];
+    const abiCoder = new BRE.ethers.utils.Interface(fakeABI);
+    const fakeMethodEncoded = abiCoder.encodeFunctionData('wantToCallFallback', []);
+
+    // Call fallback function without value
+    await expect(
+      user.signer.sendTransaction({
+        to: wethGateway.address,
+        data: fakeMethodEncoded,
+        gasLimit: BRE.network.config.gas,
+      })
+    ).to.be.revertedWith('Fallback not allowed');
+  });
+
+  it('Getters should retrieve correct state', async () => {
+    const {aWETH, weth, pool, wethGateway} = testEnv;
+
+    const WETHAddress = await wethGateway.getWETHAddress();
+    const aWETHAddress = await wethGateway.getAWETHAddress();
+    const poolAddress = await wethGateway.getLendingPoolAddress();
+
+    expect(WETHAddress).to.be.equal(weth.address);
+    expect(aWETHAddress).to.be.equal(aWETH.address);
+    expect(poolAddress).to.be.equal(pool.address);
+  });
+
+  it('Owner can do emergency token recovery', async () => {
+    const {users, dai, wethGateway, deployer} = testEnv;
+    const user = users[0];
+    const amount = parseEther('1');
+
+    await dai.connect(user.signer).mint(amount);
+    const daiBalanceAfterMint = await dai.balanceOf(user.address);
+
+    await dai.connect(user.signer).transfer(wethGateway.address, amount);
+    const daiBalanceAfterBadTransfer = await dai.balanceOf(user.address);
+    expect(daiBalanceAfterBadTransfer).to.be.eq(
+      daiBalanceAfterMint.sub(amount),
+      'User should have lost the funds here.'
+    );
+
+    await wethGateway
+      .connect(deployer.signer)
+      .emergencyTokenTransfer(dai.address, user.address, amount);
+    const daiBalanceAfterRecovery = await dai.balanceOf(user.address);
+
+    expect(daiBalanceAfterRecovery).to.be.eq(
+      daiBalanceAfterMint,
+      'User should recover the funds due emergency token transfer'
+    );
+  });
+
+  it('Owner can do emergency native ETH recovery', async () => {
+    const {users, wethGateway, deployer} = testEnv;
+    const user = users[0];
+    const amount = parseEther('1');
+    const userBalancePriorCall = await user.signer.getBalance();
+
+    // Deploy contract with payable selfdestruct contract
+    const selfdestructContract = await deploySelfdestructTransferMock();
+
+    // Selfdestruct the mock, pointing to WETHGateway address
+    const callTx = await selfdestructContract
+      .connect(user.signer)
+      .destroyAndTransfer(wethGateway.address, {value: amount});
+    const {gasUsed} = await waitForTx(callTx);
+    const gasFees = gasUsed.mul(callTx.gasPrice);
+    const userBalanceAfterCall = await user.signer.getBalance();
+
+    expect(userBalanceAfterCall).to.be.eq(userBalancePriorCall.sub(amount).sub(gasFees), '');
+    'User should have lost the funds';
+
+    // Recover the funds from the contract and sends back to the user
+    await wethGateway.connect(deployer.signer).emergencyEtherTransfer(user.address, amount);
+
+    const userBalanceAfterRecovery = await user.signer.getBalance();
+    const wethGatewayAfterRecovery = await BRE.ethers.provider.getBalance(wethGateway.address);
+
+    expect(userBalanceAfterRecovery).to.be.eq(
+      userBalancePriorCall.sub(gasFees),
+      'User should recover the funds due emergency eth transfer.'
+    );
+    expect(wethGatewayAfterRecovery).to.be.eq('0', 'WETHGateway ether balance should be zero.');
+  });
+});