From fe9df9a5ea9ccb892b6e1776c301d53ea0aded6a Mon Sep 17 00:00:00 2001
From: Onno Visser <23527729+onnovisser@users.noreply.github.com>
Date: Thu, 12 Oct 2023 10:42:10 +0200
Subject: [PATCH] multicall

---
 .../utils/tinlake/abis/NAVFeed_V1.abi.json    | 542 ---------------
 .../utils/tinlake/abis/NAVFeed_V2.abi.json    | 616 ------------------
 .../utils/tinlake/abis/NAVFeed_V3.abi.json    | 405 ------------
 .../src/utils/tinlake/abis/Pile.abi.json      | 321 ---------
 .../utils/tinlake/fetchFromTinlakeSubgraph.ts |   2 +-
 .../src/utils/tinlake/useTinlakePools.ts      | 153 ++---
 centrifuge-app/src/utils/usePools.ts          |   2 +-
 centrifuge-js/src/modules/pools.ts            |   2 +-
 8 files changed, 58 insertions(+), 1985 deletions(-)
 delete mode 100644 centrifuge-app/src/utils/tinlake/abis/NAVFeed_V1.abi.json
 delete mode 100644 centrifuge-app/src/utils/tinlake/abis/NAVFeed_V2.abi.json
 delete mode 100644 centrifuge-app/src/utils/tinlake/abis/NAVFeed_V3.abi.json
 delete mode 100644 centrifuge-app/src/utils/tinlake/abis/Pile.abi.json

diff --git a/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V1.abi.json b/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V1.abi.json
deleted file mode 100644
index ab71eb536d..0000000000
--- a/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V1.abi.json
+++ /dev/null
@@ -1,542 +0,0 @@
-[
-  { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" },
-  {
-    "anonymous": false,
-    "inputs": [{ "indexed": true, "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "Deny",
-    "type": "event"
-  },
-  {
-    "anonymous": true,
-    "inputs": [
-      { "indexed": true, "internalType": "bytes4", "name": "sig", "type": "bytes4" },
-      { "indexed": true, "internalType": "address", "name": "guy", "type": "address" },
-      { "indexed": true, "internalType": "bytes32", "name": "foo", "type": "bytes32" },
-      { "indexed": true, "internalType": "bytes32", "name": "bar", "type": "bytes32" },
-      { "indexed": false, "internalType": "uint256", "name": "wad", "type": "uint256" },
-      { "indexed": false, "internalType": "bytes", "name": "fax", "type": "bytes" }
-    ],
-    "name": "LogNote",
-    "type": "event"
-  },
-  {
-    "anonymous": false,
-    "inputs": [{ "indexed": true, "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "Rely",
-    "type": "event"
-  },
-  {
-    "inputs": [],
-    "name": "NullDate",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "WRITE_OFF_PHASE_A",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "WRITE_OFF_PHASE_B",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "approximatedNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "borrow",
-    "outputs": [{ "internalType": "uint256", "name": "navIncrease", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "borrowEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "borrowed",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "buckets",
-    "outputs": [
-      { "internalType": "uint256", "name": "value", "type": "uint256" },
-      { "internalType": "uint256", "name": "next", "type": "uint256" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "amount", "type": "uint256" },
-      { "internalType": "uint256", "name": "normalizedBlockTimestamp", "type": "uint256" },
-      { "internalType": "uint256", "name": "maturityDate_", "type": "uint256" }
-    ],
-    "name": "calcDiscount",
-    "outputs": [{ "internalType": "uint256", "name": "result", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" },
-      { "internalType": "uint256", "name": "maturityDate_", "type": "uint256" },
-      { "internalType": "uint256", "name": "recoveryRatePD_", "type": "uint256" }
-    ],
-    "name": "calcFutureValue",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "calcTotalDiscount",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "calcUpdateNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "ceiling",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "ceilingRatio",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "interestBearingAmount", "type": "uint256" },
-      { "internalType": "uint256", "name": "ratePerSecond", "type": "uint256" },
-      { "internalType": "uint256", "name": "lastUpdated", "type": "uint256" }
-    ],
-    "name": "chargeInterest",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "ratePerSecond", "type": "uint256" },
-      { "internalType": "uint256", "name": "lastUpdated", "type": "uint256" },
-      { "internalType": "uint256", "name": "pie", "type": "uint256" }
-    ],
-    "name": "compounding",
-    "outputs": [
-      { "internalType": "uint256", "name": "", "type": "uint256" },
-      { "internalType": "uint256", "name": "", "type": "uint256" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "currentCeiling",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "currentNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "timestamp", "type": "uint256" }],
-    "name": "dateBucket",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "deny",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "contractName", "type": "bytes32" },
-      { "internalType": "address", "name": "addr", "type": "address" }
-    ],
-    "name": "depend",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "discountRate",
-    "outputs": [{ "internalType": "uint256", "name": "value", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "done",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "bytes32", "name": "nftID_", "type": "bytes32" },
-      { "internalType": "uint256", "name": "maturityDate_", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "uint256", "name": "risk_", "type": "uint256" },
-      { "internalType": "uint256", "name": "thresholdRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "ceilingRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "rate_", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "uint256", "name": "risk_", "type": "uint256" },
-      { "internalType": "uint256", "name": "thresholdRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "ceilingRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "rate_", "type": "uint256" },
-      { "internalType": "uint256", "name": "recoveryRatePD_", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "firstBucket",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "name": "futureValue",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  { "inputs": [], "name": "init", "outputs": [], "stateMutability": "nonpayable", "type": "function" },
-  {
-    "inputs": [],
-    "name": "lastBucket",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "name": "maturityDate",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "clone_", "type": "address" },
-      { "internalType": "uint256", "name": "riskGroupCount", "type": "uint256" },
-      { "internalType": "address", "name": "oracle", "type": "address" },
-      { "internalType": "uint256", "name": "loanCount", "type": "uint256" },
-      { "internalType": "uint256", "name": "writeOffCount", "type": "uint256" },
-      { "internalType": "address", "name": "pile_", "type": "address" },
-      { "internalType": "address", "name": "shelf_", "type": "address" }
-    ],
-    "name": "migrate",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "migratedFrom",
-    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "nftID",
-    "outputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "registry", "type": "address" },
-      { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
-    ],
-    "name": "nftID",
-    "outputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "name": "nftValues",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "rdiv",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "recoveryRatePD",
-    "outputs": [{ "internalType": "uint256", "name": "value", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "rely",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "repay",
-    "outputs": [{ "internalType": "uint256", "name": "navDecrease", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "name": "risk",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "rmul",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "n", "type": "uint256" },
-      { "internalType": "uint256", "name": "base", "type": "uint256" }
-    ],
-    "name": "rpow",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeAdd",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeDiv",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeMul",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeSub",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "threshold",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "thresholdRatio",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "pie", "type": "uint256" }
-    ],
-    "name": "toAmount",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "toPie",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "totalValue",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "timestamp", "type": "uint256" }],
-    "name": "uniqueDayTimestamp",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "unlockEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "nftID_", "type": "bytes32" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" },
-      { "internalType": "uint256", "name": "risk_", "type": "uint256" }
-    ],
-    "name": "update",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "nftID_", "type": "bytes32" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
-    ],
-    "name": "update",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
-    "name": "wards",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "writeOffs",
-    "outputs": [
-      { "internalType": "uint256", "name": "rateGroup", "type": "uint256" },
-      {
-        "components": [{ "internalType": "uint256", "name": "value", "type": "uint256" }],
-        "internalType": "struct FixedPoint.Fixed27",
-        "name": "percentage",
-        "type": "tuple"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  }
-]
diff --git a/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V2.abi.json b/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V2.abi.json
deleted file mode 100644
index ac54ee18ef..0000000000
--- a/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V2.abi.json
+++ /dev/null
@@ -1,616 +0,0 @@
-[
-  { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" },
-  {
-    "anonymous": false,
-    "inputs": [{ "indexed": true, "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "Deny",
-    "type": "event"
-  },
-  {
-    "anonymous": false,
-    "inputs": [{ "indexed": true, "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "Rely",
-    "type": "event"
-  },
-  {
-    "inputs": [],
-    "name": "WRITEOFF_RATE_GROUP_START",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "borrow",
-    "outputs": [{ "internalType": "uint256", "name": "navIncrease", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "", "type": "uint256" }
-    ],
-    "name": "borrowEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "borrowed",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "buckets",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "discountRate", "type": "uint256" },
-      { "internalType": "uint256", "name": "fv", "type": "uint256" },
-      { "internalType": "uint256", "name": "normalizedBlockTimestamp", "type": "uint256" },
-      { "internalType": "uint256", "name": "maturityDate_", "type": "uint256" }
-    ],
-    "name": "calcDiscount",
-    "outputs": [{ "internalType": "uint256", "name": "result", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loanInterestRate", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" },
-      { "internalType": "uint256", "name": "maturityDate_", "type": "uint256" },
-      { "internalType": "uint256", "name": "recoveryRatePD_", "type": "uint256" }
-    ],
-    "name": "calcFutureValue",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "calcUpdateNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "ceiling",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "riskID", "type": "uint256" }],
-    "name": "ceilingRatio",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "interestBearingAmount", "type": "uint256" },
-      { "internalType": "uint256", "name": "ratePerSecond", "type": "uint256" },
-      { "internalType": "uint256", "name": "lastUpdated", "type": "uint256" }
-    ],
-    "name": "chargeInterest",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "ratePerSecond", "type": "uint256" },
-      { "internalType": "uint256", "name": "lastUpdated", "type": "uint256" },
-      { "internalType": "uint256", "name": "pie", "type": "uint256" }
-    ],
-    "name": "compounding",
-    "outputs": [
-      { "internalType": "uint256", "name": "", "type": "uint256" },
-      { "internalType": "uint256", "name": "", "type": "uint256" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "currentNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "currentPVs",
-    "outputs": [
-      { "internalType": "uint256", "name": "totalDiscount", "type": "uint256" },
-      { "internalType": "uint256", "name": "overdue", "type": "uint256" },
-      { "internalType": "uint256", "name": "writeOffs", "type": "uint256" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "currentValidWriteOffGroup",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "currentWriteOffs",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "deny",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "contractName", "type": "bytes32" },
-      { "internalType": "address", "name": "addr", "type": "address" }
-    ],
-    "name": "depend",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "name": "details",
-    "outputs": [
-      { "internalType": "uint128", "name": "nftValues", "type": "uint128" },
-      { "internalType": "uint128", "name": "futureValue", "type": "uint128" },
-      { "internalType": "uint128", "name": "maturityDate", "type": "uint128" },
-      { "internalType": "uint128", "name": "risk", "type": "uint128" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "discountRate",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "bytes32", "name": "nftID_", "type": "bytes32" },
-      { "internalType": "uint256", "name": "maturityDate_", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "uint256", "name": "risk_", "type": "uint256" },
-      { "internalType": "uint256", "name": "thresholdRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "ceilingRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "rate_", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "uint256", "name": "rate_", "type": "uint256" },
-      { "internalType": "uint256", "name": "writeOffPercentage_", "type": "uint256" },
-      { "internalType": "uint256", "name": "overdueDays_", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "uint256", "name": "risk_", "type": "uint256" },
-      { "internalType": "uint256", "name": "thresholdRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "ceilingRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "rate_", "type": "uint256" },
-      { "internalType": "uint256", "name": "recoveryRatePD_", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "nft_", "type": "bytes32" }],
-    "name": "futureValue",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "isLoanWrittenOff",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "lastNAVUpdate",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "latestDiscount",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "latestNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "loanDetails",
-    "outputs": [
-      { "internalType": "uint128", "name": "borrowed", "type": "uint128" },
-      { "internalType": "bool", "name": "authWriteOff", "type": "bool" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "lockEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "nft_", "type": "bytes32" }],
-    "name": "maturityDate",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "nftID",
-    "outputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "registry", "type": "address" },
-      { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
-    ],
-    "name": "nftID",
-    "outputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "nft_", "type": "bytes32" }],
-    "name": "nftValues",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "overdueLoans",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "writeOffGroupIndex_", "type": "uint256" }
-    ],
-    "name": "overrideWriteOff",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "pile",
-    "outputs": [{ "internalType": "contract PileLike_1", "name": "", "type": "address" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "rdiv",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "reCalcNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "reCalcTotalDiscount",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "riskID", "type": "uint256" }],
-    "name": "recoveryRatePD",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "rely",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "repay",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "repayEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "nft_", "type": "bytes32" }],
-    "name": "risk",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "riskGroup",
-    "outputs": [
-      { "internalType": "uint128", "name": "ceilingRatio", "type": "uint128" },
-      { "internalType": "uint128", "name": "thresholdRatio", "type": "uint128" },
-      { "internalType": "uint128", "name": "recoveryRatePD", "type": "uint128" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "rmul",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "n", "type": "uint256" },
-      { "internalType": "uint256", "name": "base", "type": "uint256" }
-    ],
-    "name": "rpow",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeAdd",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeDiv",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeMul",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeSub",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "secureSub",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "shelf",
-    "outputs": [{ "internalType": "contract ShelfLike_1", "name": "", "type": "address" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "threshold",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "riskID", "type": "uint256" }],
-    "name": "thresholdRatio",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "pie", "type": "uint256" }
-    ],
-    "name": "toAmount",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "toPie",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "timestamp", "type": "uint256" }],
-    "name": "uniqueDayTimestamp",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "unlockEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "nftID_", "type": "bytes32" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" },
-      { "internalType": "uint256", "name": "risk_", "type": "uint256" }
-    ],
-    "name": "update",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "nftID_", "type": "bytes32" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
-    ],
-    "name": "update",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
-    "name": "wards",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "writeOff",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "writeOffGroups",
-    "outputs": [
-      { "internalType": "uint128", "name": "percentage", "type": "uint128" },
-      { "internalType": "uint128", "name": "overdueDays", "type": "uint128" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "zeroPV",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
-    "type": "function"
-  }
-]
diff --git a/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V3.abi.json b/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V3.abi.json
deleted file mode 100644
index f703c99d10..0000000000
--- a/centrifuge-app/src/utils/tinlake/abis/NAVFeed_V3.abi.json
+++ /dev/null
@@ -1,405 +0,0 @@
-[
-  { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" },
-  {
-    "anonymous": false,
-    "inputs": [{ "indexed": true, "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "Deny",
-    "type": "event"
-  },
-  {
-    "anonymous": false,
-    "inputs": [
-      { "indexed": true, "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "indexed": false, "internalType": "address", "name": "addr", "type": "address" }
-    ],
-    "name": "Depend",
-    "type": "event"
-  },
-  {
-    "anonymous": false,
-    "inputs": [
-      { "indexed": true, "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "indexed": false, "internalType": "uint256", "name": "risk_", "type": "uint256" },
-      { "indexed": false, "internalType": "uint256", "name": "thresholdRatio_", "type": "uint256" },
-      { "indexed": false, "internalType": "uint256", "name": "ceilingRatio_", "type": "uint256" },
-      { "indexed": false, "internalType": "uint256", "name": "rate_", "type": "uint256" }
-    ],
-    "name": "File",
-    "type": "event"
-  },
-  {
-    "anonymous": false,
-    "inputs": [{ "indexed": true, "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "Rely",
-    "type": "event"
-  },
-  {
-    "anonymous": false,
-    "inputs": [
-      { "indexed": true, "internalType": "bytes32", "name": "nftID", "type": "bytes32" },
-      { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" }
-    ],
-    "name": "Update",
-    "type": "event"
-  },
-  {
-    "anonymous": false,
-    "inputs": [
-      { "indexed": true, "internalType": "bytes32", "name": "nftID", "type": "bytes32" },
-      { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" },
-      { "indexed": false, "internalType": "uint256", "name": "risk", "type": "uint256" }
-    ],
-    "name": "Update",
-    "type": "event"
-  },
-  {
-    "inputs": [],
-    "name": "WRITEOFF_RATE_GROUP",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "borrow",
-    "outputs": [{ "internalType": "uint256", "name": "navIncrease", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "", "type": "uint256" }
-    ],
-    "name": "borrowEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "borrowed",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "calcUpdateNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "ceiling",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "riskID", "type": "uint256" }],
-    "name": "ceilingRatio",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "currentNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "deny",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "contractName", "type": "bytes32" },
-      { "internalType": "address", "name": "addr", "type": "address" }
-    ],
-    "name": "depend",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "name": "details",
-    "outputs": [
-      { "internalType": "uint128", "name": "nftValues", "type": "uint128" },
-      { "internalType": "uint128", "name": "risk", "type": "uint128" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "name", "type": "bytes32" },
-      { "internalType": "uint256", "name": "risk_", "type": "uint256" },
-      { "internalType": "uint256", "name": "thresholdRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "ceilingRatio_", "type": "uint256" },
-      { "internalType": "uint256", "name": "rate_", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "isLoanWrittenOff",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "lastNAVUpdate",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "latestNAV",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "loanDetails",
-    "outputs": [{ "internalType": "uint128", "name": "borrowed", "type": "uint128" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "lockEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "nftID",
-    "outputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "registry", "type": "address" },
-      { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
-    ],
-    "name": "nftID",
-    "outputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "nft_", "type": "bytes32" }],
-    "name": "nftValues",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "pile",
-    "outputs": [{ "internalType": "contract PileLike", "name": "", "type": "address" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "rdiv",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "rely",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "repay",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "repayEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "bytes32", "name": "nft_", "type": "bytes32" }],
-    "name": "risk",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "riskGroup",
-    "outputs": [
-      { "internalType": "uint128", "name": "ceilingRatio", "type": "uint128" },
-      { "internalType": "uint128", "name": "thresholdRatio", "type": "uint128" },
-      { "internalType": "uint128", "name": "recoveryRatePD", "type": "uint128" }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "rmul",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeAdd",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeDiv",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeMul",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeSub",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "shelf",
-    "outputs": [{ "internalType": "contract ShelfLike", "name": "", "type": "address" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "threshold",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "riskID", "type": "uint256" }],
-    "name": "thresholdRatio",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "timestamp", "type": "uint256" }],
-    "name": "uniqueDayTimestamp",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "unlockEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "nftID_", "type": "bytes32" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" },
-      { "internalType": "uint256", "name": "risk_", "type": "uint256" }
-    ],
-    "name": "update",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "bytes32", "name": "nftID_", "type": "bytes32" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
-    ],
-    "name": "update",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
-    "name": "wards",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "writeOff",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "zeroPV",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
-    "type": "function"
-  }
-]
diff --git a/centrifuge-app/src/utils/tinlake/abis/Pile.abi.json b/centrifuge-app/src/utils/tinlake/abis/Pile.abi.json
deleted file mode 100644
index 3e33642e88..0000000000
--- a/centrifuge-app/src/utils/tinlake/abis/Pile.abi.json
+++ /dev/null
@@ -1,321 +0,0 @@
-[
-  { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" },
-  {
-    "anonymous": true,
-    "inputs": [
-      { "indexed": true, "internalType": "bytes4", "name": "sig", "type": "bytes4" },
-      { "indexed": true, "internalType": "address", "name": "guy", "type": "address" },
-      { "indexed": true, "internalType": "bytes32", "name": "foo", "type": "bytes32" },
-      { "indexed": true, "internalType": "bytes32", "name": "bar", "type": "bytes32" },
-      { "indexed": false, "internalType": "uint256", "name": "wad", "type": "uint256" },
-      { "indexed": false, "internalType": "bytes", "name": "fax", "type": "bytes" }
-    ],
-    "name": "LogNote",
-    "type": "event"
-  },
-  {
-    "constant": false,
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "accrue",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "newRate", "type": "uint256" }
-    ],
-    "name": "changeRate",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "interestBearingAmount", "type": "uint256" },
-      { "internalType": "uint256", "name": "ratePerSecond", "type": "uint256" },
-      { "internalType": "uint256", "name": "lastUpdated", "type": "uint256" }
-    ],
-    "name": "chargeInterest",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "ratePerSecond", "type": "uint256" },
-      { "internalType": "uint256", "name": "lastUpdated", "type": "uint256" },
-      { "internalType": "uint256", "name": "pie", "type": "uint256" }
-    ],
-    "name": "compounding",
-    "outputs": [
-      { "internalType": "uint256", "name": "", "type": "uint256" },
-      { "internalType": "uint256", "name": "", "type": "uint256" }
-    ],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [{ "internalType": "uint256", "name": "loan", "type": "uint256" }],
-    "name": "debt",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "currencyAmount", "type": "uint256" }
-    ],
-    "name": "decDebt",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [{ "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "deny",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [{ "internalType": "uint256", "name": "rate", "type": "uint256" }],
-    "name": "drip",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [
-      { "internalType": "bytes32", "name": "what", "type": "bytes32" },
-      { "internalType": "uint256", "name": "rate", "type": "uint256" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
-    ],
-    "name": "file",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "currencyAmount", "type": "uint256" }
-    ],
-    "name": "incDebt",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "loanRates",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "pie",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [{ "internalType": "uint256", "name": "rate", "type": "uint256" }],
-    "name": "rateDebt",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "name": "rates",
-    "outputs": [
-      { "internalType": "uint256", "name": "pie", "type": "uint256" },
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "ratePerSecond", "type": "uint256" },
-      { "internalType": "uint48", "name": "lastUpdated", "type": "uint48" },
-      { "internalType": "uint256", "name": "fixedRate", "type": "uint256" }
-    ],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "rdiv",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [{ "internalType": "address", "name": "usr", "type": "address" }],
-    "name": "rely",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "rmul",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "n", "type": "uint256" },
-      { "internalType": "uint256", "name": "base", "type": "uint256" }
-    ],
-    "name": "rpow",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeAdd",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeDiv",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeMul",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "x", "type": "uint256" },
-      { "internalType": "uint256", "name": "y", "type": "uint256" }
-    ],
-    "name": "safeSub",
-    "outputs": [{ "internalType": "uint256", "name": "z", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [
-      { "internalType": "uint256", "name": "loan", "type": "uint256" },
-      { "internalType": "uint256", "name": "rate", "type": "uint256" }
-    ],
-    "name": "setRate",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "pie", "type": "uint256" }
-    ],
-    "name": "toAmount",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [
-      { "internalType": "uint256", "name": "chi", "type": "uint256" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "toPie",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "pure",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [],
-    "name": "total",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "constant": true,
-    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
-    "name": "wards",
-    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  }
-]
diff --git a/centrifuge-app/src/utils/tinlake/fetchFromTinlakeSubgraph.ts b/centrifuge-app/src/utils/tinlake/fetchFromTinlakeSubgraph.ts
index 3378d4d225..e27af32aee 100644
--- a/centrifuge-app/src/utils/tinlake/fetchFromTinlakeSubgraph.ts
+++ b/centrifuge-app/src/utils/tinlake/fetchFromTinlakeSubgraph.ts
@@ -1,4 +1,4 @@
-export async function fetchFromTinlakeSubgraph(query: string, variables?: unknown) {
+export async function fetchFromTinlakeSubgraph(query: string, variables?: object) {
   const response = await fetch(import.meta.env.REACT_APP_TINLAKE_SUBGRAPH_URL, {
     method: 'POST',
     headers: { 'Content-Type': 'application/json' },
diff --git a/centrifuge-app/src/utils/tinlake/useTinlakePools.ts b/centrifuge-app/src/utils/tinlake/useTinlakePools.ts
index fbf9d499cd..cc1a5d6478 100644
--- a/centrifuge-app/src/utils/tinlake/useTinlakePools.ts
+++ b/centrifuge-app/src/utils/tinlake/useTinlakePools.ts
@@ -10,18 +10,12 @@ import {
 } from '@centrifuge/centrifuge-js'
 import { useCentrifuge } from '@centrifuge/centrifuge-react'
 import { BigNumber } from '@ethersproject/bignumber'
-import { Contract } from '@ethersproject/contracts'
-import { InfuraProvider } from '@ethersproject/providers'
 import BN from 'bn.js'
 import * as React from 'react'
 import { useQuery } from 'react-query'
 import { lastValueFrom } from 'rxjs'
 import { ethConfig } from '../../config'
 import { Dec } from '../Decimal'
-import feedv1Abi from './abis/NAVFeed_V1.abi.json'
-import feedv2Abi from './abis/NAVFeed_V2.abi.json'
-import feedv3Abi from './abis/NAVFeed_V3.abi.json'
-import pileAbi from './abis/Pile.abi.json'
 import { currencies } from './currencies'
 import { Call, multicall } from './multicall'
 import { Fixed27Base } from './ratios'
@@ -145,55 +139,27 @@ export function useTinlakePools(suspense = false) {
     suspense,
   })
 }
-
 export function useTinlakeLoans(poolId: string) {
-  const tinlakePools = useTinlakePools()
+  const tinlakePools = useTinlakePools(true)
 
   const pool = tinlakePools?.data?.pools?.find((p) => p.id.toLowerCase() === poolId.toLowerCase())
 
   return useQuery(
-    ['tinlakePoolLoans', poolId, pool],
+    ['tinlakePoolLoans', poolId.toLowerCase()],
     async () => {
       const loans = await getTinlakeLoans(poolId)
+      const writeOffPercentages = await getWriteOffPercentages(pool!, loans)
 
-      const writeOffPercentagePromises = loans.map(async (loan) => {
-        if (pool) {
-          const writeOffPercentage = await getWriteOffPercentage(pool, loan.index)
-
-          if (writeOffPercentage.isZero()) {
-            return {
-              loanId: loan.index,
-              percentage: '0',
-            }
-          }
-
-          return {
-            loanId: loan.index,
-            percentage: writeOffPercentage.div(new BN(10).pow(new BN(25))).toString(),
-          }
-        }
-
-        return {
-          loanId: loan.index,
-          percentage: '0',
-        }
-      })
-
-      const writeOffPercentage = (await Promise.all(writeOffPercentagePromises)).reduce((acc, curr) => {
-        acc[curr.loanId] = curr.percentage
-        return acc
-      }, {} as { [key: number]: string })
-
-      return loans.map((loan) => ({
+      return loans.map((loan, i) => ({
         asset: {
           nftId: loan.nftId,
-          collectionId: loan.pool.id,
+          collectionId: poolId,
         },
         id: loan.index.toString(),
         originationDate: loan.financingDate ? new Date(Number(loan.financingDate) * 1000).toISOString() : null,
         outstandingDebt: new CurrencyBalance(loan.debt, 18),
         presentValue: new CurrencyBalance(loan.debt, 18),
-        poolId: loan.pool.id,
+        poolId,
         pricing: {
           maturityDate: Number(loan.maturityDate) ? new Date(Number(loan.maturityDate) * 1000).toISOString() : null,
           interestRate: new Rate(
@@ -201,8 +167,8 @@ export function useTinlakeLoans(poolId: string) {
           ),
           ceiling: new CurrencyBalance(loan.ceiling, 18),
         },
-        status: getTinlakeLoanStatus(loan, writeOffPercentage[loan.index]),
-        writeOffPercentage: writeOffPercentage[loan.index],
+        status: getTinlakeLoanStatus(loan, writeOffPercentages[i]),
+        writeOffPercentage: writeOffPercentages[i],
         totalBorrowed: new CurrencyBalance(loan.borrowsAggregatedAmount, 18),
         totalRepaid: new CurrencyBalance(loan.repaysAggregatedAmount, 18),
         dateClosed: loan.closed ? new Date(Number(loan.closed) * 1000).toISOString() : 0,
@@ -264,8 +230,8 @@ export type TinlakePool = Omit<Pool, 'metadata' | 'loanCollectionId' | 'tranches
   version: 2 | 3
 }
 
-function getTinlakeLoanStatus(loan: TinlakeLoanData, writeOffPercentage: string) {
-  if (loan.financingDate && (loan.debt === '0' || writeOffPercentage === '100')) {
+function getTinlakeLoanStatus(loan: TinlakeLoanData, writeOffPercentage: Rate) {
+  if (loan.financingDate && (loan.debt === '0' || writeOffPercentage.toFloat() === 1)) {
     return 'Closed'
   }
   if (!loan.financingDate) {
@@ -336,66 +302,53 @@ async function getTinlakeLoans(poolId: string) {
   return loans
 }
 
-async function getWriteOffGroups(pool: TinlakePool) {
-  const feedAbi = pool.versions?.FEED === 2 ? feedv2Abi : feedv3Abi
-  const provider = new InfuraProvider()
-
-  const navFeed = new Contract(pool.addresses.FEED, feedAbi, provider)
-
-  const groups = []
-  let i = 0
-  const maxWriteOffGroups = 100
-  while (i < maxWriteOffGroups) {
+export async function getWriteOffPercentages(pool: TinlakePool, loans: any[]) {
+  let writeOffGroups: { percentage: BN; overdueDays: number }[] = []
+  if (pool.versions?.FEED === 2) {
+    const calls: Call[] = Array.from({ length: 100 /* Max number of write-off groups */ }).map((_, i) => ({
+      target: pool.addresses.FEED,
+      call: ['writeOffGroups(uint256)(uint128,uint128)', i],
+      returns: [[`groups[${i}].percentage`, toBN], [`groups[${i}].overdueDays`]],
+    }))
     try {
-      const group = await navFeed.writeOffGroups(i)
-      groups.push(group)
-      i += 1
-    } catch (e) {
-      return groups
-    }
+      const data = await multicall<{ groups: { percentage: BN; overdueDays: number }[] }>(calls)
+      writeOffGroups.push(...data.groups)
+    } catch {}
   }
-  return groups
-}
-
-export async function getWriteOffPercentage(pool: TinlakePool, loanId: number): Promise<BN> {
-  const feedAbi = (() => {
-    if (pool.versions?.FEED === 2) {
-      return feedv2Abi
-    }
-    if (pool.versions?.FEED === 3) {
-      return feedv3Abi
-    }
-    return feedv1Abi
-  })()
 
-  const provider = new InfuraProvider()
-  const pile = new Contract(pool.addresses.PILE, pileAbi, provider)
-  const navFeed = new Contract(pool.addresses.FEED, feedAbi, provider)
-
-  const loanRate = await pile.loanRates(loanId)
-
-  if (loanRate.lt(1000)) {
-    return new BN(0)
+  const rateCalls: Call[] = loans.map((loan, i) => ({
+    target: pool.addresses.PILE,
+    call: ['loanRates(uint256)(uint256)', loan.index],
+    returns: [[`rates[${i}]`, (val) => val.toNumber()]],
+  }))
+
+  const loanRates = await multicall<{ rates: number[]; groups: any }>(rateCalls)
+
+  if (writeOffGroups.length) {
+    const percentages = loans.map((_, i) => {
+      if (loanRates.rates[i] < 1000) return new Rate(0)
+      const rate = loanRates.rates[i] - 1000
+      const group = writeOffGroups[rate]
+      return group.percentage ? new Rate(Rate.fromFloat(1).sub(group.percentage)) : new Rate(0)
+    })
+    return percentages
   }
-
-  if (navFeed.writeOffs) {
-    const writeOffGroup = loanRate.sub(1000)
-    const { percentage } = await navFeed.writeOffs(writeOffGroup.toString())
-
-    return Rate.fromFloat(1).sub(new BN(percentage.toString()))
-  } else if (navFeed.writeOffGroups) {
-    const writeOffGroups = await getWriteOffGroups(pool)
-    let { percentage } = writeOffGroups[loanRate.sub(1000).toNumber()]
-    if (percentage) {
-      percentage = Rate.fromFloat(1).sub(new BN(percentage.toString()))
-
-      return percentage
-    }
-
-    return new BN(0)
+  if (!pool.versions?.FEED || pool.versions.FEED === 1) {
+    const calls = loans
+      .map((_, i) => ({
+        target: pool.addresses.FEED,
+        call: ['writeOffs(uint256)(uint256,uint256)', loanRates.rates[i] - 1000],
+        returns: [[''], [`percentages[${i}]`, toBN]],
+      }))
+      .filter((_, i) => loanRates.rates[i] >= 1000) as Call[]
+
+    const { percentages } = await multicall<{ percentages: BN[] }>(calls)
+    return loans.map((_, i) => {
+      return percentages?.[i] ? new Rate(Rate.fromFloat(1).sub(percentages[i])) : new Rate(0)
+    })
   }
 
-  return new BN(0)
+  return loans.map(() => new Rate(0))
 }
 
 async function getPools(pools: IpfsPools): Promise<{ pools: TinlakePool[] }> {
@@ -871,3 +824,7 @@ interface State {
   }
   submissionPeriod: boolean
 }
+
+function toBN(val: BigNumber) {
+  return new BN(val.toString())
+}
diff --git a/centrifuge-app/src/utils/usePools.ts b/centrifuge-app/src/utils/usePools.ts
index 4ad8882b95..116ec7bfb9 100644
--- a/centrifuge-app/src/utils/usePools.ts
+++ b/centrifuge-app/src/utils/usePools.ts
@@ -100,7 +100,7 @@ export function useAverageAmount(poolId: string) {
       if (loan.status !== 'Active') return sum
       return sum.add(loan.presentValue.toDecimal())
     }, Dec(0))
-    .div(loans.filter((loan) => loan.status === 'Active').length)
+    .div((loans as Loan[]).filter((loan) => loan.status === 'Active').length)
 }
 
 export function useBorrowerAssetTransactions(poolId: string, assetId: string, from?: Date, to?: Date) {
diff --git a/centrifuge-js/src/modules/pools.ts b/centrifuge-js/src/modules/pools.ts
index 85e290bbe0..08c96dc096 100644
--- a/centrifuge-js/src/modules/pools.ts
+++ b/centrifuge-js/src/modules/pools.ts
@@ -420,7 +420,7 @@ export type TinlakeLoan = {
   totalBorrowed: CurrencyBalance
   totalRepaid: CurrencyBalance
   originationDate: string
-  writeOffPercentage: string
+  writeOffPercentage: Rate
 }
 
 // transformed type for UI