From 10663cd72eb8c94bbb810049b04ffbcb01c7253a Mon Sep 17 00:00:00 2001
From: Chase Moran <chasemoran45@gmail.com>
Date: Fri, 29 Oct 2021 14:38:09 -0400
Subject: [PATCH] bridge_ui: total transacted value script

Change-Id: Ib357ac62b32b1b1a30f53007c1e09b4971443fb0
---
 bridge_ui/src/hooks/useTVL.ts                 |   4 +
 .../src/hooks/useTotalTransactedAmount.ts     | 126 ++++++++++++++++++
 2 files changed, 130 insertions(+)
 create mode 100644 bridge_ui/src/hooks/useTotalTransactedAmount.ts

diff --git a/bridge_ui/src/hooks/useTVL.ts b/bridge_ui/src/hooks/useTVL.ts
index b9719656..23207ba5 100644
--- a/bridge_ui/src/hooks/useTVL.ts
+++ b/bridge_ui/src/hooks/useTVL.ts
@@ -47,6 +47,7 @@ export type TVL = {
   assetAddress: string;
   originChainId: ChainId;
   originChain: string;
+  decimals?: number;
 };
 
 const calcEvmTVL = (covalentReport: any, chainId: ChainId): TVL[] => {
@@ -67,6 +68,7 @@ const calcEvmTVL = (covalentReport: any, chainId: ChainId): TVL[] => {
         assetAddress: item.contract_address,
         originChainId: chainId,
         originChain: CHAINS_BY_ID[chainId].name,
+        decimals: item.contract_decimals,
       });
     }
   });
@@ -113,6 +115,7 @@ const calcSolanaTVL = (
       assetAddress: mint,
       originChainId: CHAIN_ID_SOLANA,
       originChain: "Solana",
+      decimals: item.account.data.parsed?.info?.tokenAmount?.decimals,
     });
   });
 
@@ -176,6 +179,7 @@ const useTerraTVL = () => {
           totalValue,
           logo: getNativeTerraIcon(symbol),
           symbol,
+          decimals: NATIVE_TERRA_DECIMALS,
         });
       });
     }
diff --git a/bridge_ui/src/hooks/useTotalTransactedAmount.ts b/bridge_ui/src/hooks/useTotalTransactedAmount.ts
new file mode 100644
index 00000000..3dffbdb7
--- /dev/null
+++ b/bridge_ui/src/hooks/useTotalTransactedAmount.ts
@@ -0,0 +1,126 @@
+import {
+  hexToNativeString,
+  parseTransferPayload,
+} from "@certusone/wormhole-sdk";
+import { formatUnits } from "@ethersproject/units";
+import axios from "axios";
+import { useEffect, useMemo, useState } from "react";
+import { DataWrapper } from "../store/helpers";
+import useTVL from "./useTVL";
+
+function convertbase64ToBinary(base64: string) {
+  var raw = window.atob(base64);
+  var rawLength = raw.length;
+  var array = new Uint8Array(new ArrayBuffer(rawLength));
+
+  console.log(rawLength, "rawlength");
+
+  for (let i = 0; i < rawLength; i++) {
+    array[i] = raw.charCodeAt(i);
+  }
+  return array;
+}
+
+//Don't actually mount this hook, it's way to expensive for the prod site.
+const useTotalTransactedAmount = (): DataWrapper<number> => {
+  const tvl = useTVL();
+  const [everyVaaPayloadInHistory, setEveryVaaPayloadInHistory] = useState<
+    { EmitterChain: string; EmitterAddress: string; Payload: string }[] | null
+  >(null);
+
+  useEffect(() => {
+    const URL = "http://localhost:8080/recent?numRows=15000";
+    let response: {
+      EmitterChain: string;
+      EmitterAddress: string;
+      Payload: string;
+    }[] = [];
+
+    axios.get(URL).then((result) => {
+      const payload = result?.data["*"];
+      response = payload;
+      setEveryVaaPayloadInHistory(response as any);
+    });
+  }, []);
+
+  const output = useMemo(() => {
+    const emittersThatMatter = [
+      `ec7372995d5cc8732397fb0ad35c0121e0eaa90d26f828a534cab54391b3a4f5`, //SOLANA TOKEN
+      `0000000000000000000000003ee18b2214aff97000d974cf647e7c347e8fa585`, //ETH token
+      `0000000000000000000000007cf7b764e38a0a5e967972c1df77d432510564e2`, //terra
+      `000000000000000000000000b6f6d86a8f9879a9c87f643768d9efc38c1da6e7`, //bsc
+    ];
+
+    if (!everyVaaPayloadInHistory || tvl.isFetching || !tvl.data) {
+      return 0;
+    }
+
+    let total = 0;
+
+    everyVaaPayloadInHistory.forEach((result) => {
+      const isImportant = emittersThatMatter.find(
+        (x) => x.toLowerCase() === result.EmitterAddress.toLowerCase()
+      );
+
+      if (!isImportant) {
+        return;
+      }
+
+      console.log("about to parse", result.Payload);
+      let payload;
+      try {
+        payload = parseTransferPayload(
+          Buffer.from(convertbase64ToBinary(result.Payload))
+        );
+      } catch (e) {
+        console.log("parse fail");
+        console.log(e);
+      }
+
+      if (!payload) {
+        return;
+      }
+
+      const assetAddress =
+        hexToNativeString(payload.originAddress, payload.originChain) || "";
+
+      const tvlItem = tvl.data?.find((item) => {
+        return (
+          assetAddress &&
+          item.assetAddress.toLowerCase() === assetAddress.toLowerCase()
+        );
+      });
+
+      if (!assetAddress || !tvlItem) {
+        return;
+      }
+
+      const quote = tvlItem?.quotePrice;
+      const decimals =
+        tvlItem?.decimals === undefined || tvlItem?.decimals === null
+          ? null
+          : tvlItem.decimals > 8
+          ? 8
+          : tvlItem.decimals;
+      const amount =
+        decimals != null && formatUnits(payload.amount.toString(), decimals);
+
+      const valueAdd =
+        quote && amount && parseFloat(amount) && quote * parseFloat(amount);
+      console.log("value add", valueAdd);
+
+      total = total + (valueAdd || 0);
+    });
+
+    return total;
+  }, [everyVaaPayloadInHistory, tvl.isFetching, tvl.data]);
+
+  return {
+    data: output,
+    isFetching: tvl.isFetching || output === 0,
+    error: "",
+    receivedAt: null,
+  };
+};
+
+export default useTotalTransactedAmount;