From 3d2715589d5b3078118cd415fd33abd16183ccea Mon Sep 17 00:00:00 2001
From: mrq <mrq@mrq.cz>
Date: Mon, 25 Nov 2024 08:00:16 +0100
Subject: [PATCH] liquidations

---
 src/currencies.js         |  1 +
 src/handlers/borrowing.js | 18 +++++++++++++-----
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/currencies.js b/src/currencies.js
index 194882e..066033b 100644
--- a/src/currencies.js
+++ b/src/currencies.js
@@ -106,3 +106,4 @@ export const formatUsdValue = value => {
   const symbol = currencies[usdCurrencyId].symbol || currencies[usdCurrencyId].name || 'USD';
   return ` *~ ${new Intl.NumberFormat('en-US', {maximumSignificantDigits: amount < 1 ? 1 : 4, maximumFractionDigits: 2}).format(amount).replace(/,/g, " ")} ${symbol}*`;
 };
+export const formatAsset = asset => `**${formatAmount(asset)}**${formatUsdValue(usdValue(asset))}`;
diff --git a/src/handlers/borrowing.js b/src/handlers/borrowing.js
index c46f162..308e108 100644
--- a/src/handlers/borrowing.js
+++ b/src/handlers/borrowing.js
@@ -1,4 +1,4 @@
-import {formatAccount, formatAmount, formatUsdValue, usdValue} from "../currencies.js";
+import {formatAccount, formatAmount, formatAsset, formatUsdValue, usdValue} from "../currencies.js";
 import {broadcast} from "../discord.js";
 import poolAbi from "../resources/aave-pool.abi.js";
 import ERC20Mapping from "../utils/erc20mapping.js";
@@ -10,32 +10,40 @@ export default function borrowingHandler(events) {
     .onLog('Withdraw', poolAbi, withdraw)
     .onLog('Borrow', poolAbi, borrow)
     .onLog('Repay', poolAbi, repay)
+    .onLog('LiquidationCall', poolAbi, liquidationCall)
 }
 
 async function supply({log: {args: {reserve, amount, onBehalfOf}}}) {
   const supplied = {currencyId: ERC20Mapping.decodeEvmAddress(reserve), amount}
   const account = await toAccount(onBehalfOf);
-  const message = `${formatAccount(account)} supplied **${formatAmount(supplied)}**${formatUsdValue(usdValue(amount))} to 🏦`;
+  const message = `${formatAccount(account)} supplied ${formatAsset(supplied)} to 🏦`;
   broadcast(message);
 }
 
 async function withdraw({log: {args: {reserve, amount, to}}}) {
   const withdrew = {currencyId: ERC20Mapping.decodeEvmAddress(reserve), amount}
   const account = await toAccount(to);
-  const message = `${formatAccount(account)} withdrew **${formatAmount(withdrew)}**${formatUsdValue(usdValue(amount))} from 🏦`;
+  const message = `${formatAccount(account)} withdrew ${formatAsset(withdrew)} from 🏦`;
   broadcast(message);
 }
 
 async function borrow({log: {args: {reserve, amount, onBehalfOf}}}) {
   const borrowed = {currencyId: ERC20Mapping.decodeEvmAddress(reserve), amount}
   const account = await toAccount(onBehalfOf);
-  const message = `${formatAccount(account)} borrowed **${formatAmount(borrowed)}**${formatUsdValue(usdValue(amount))} from 🏦`;
+  const message = `${formatAccount(account)} borrowed ${formatAsset(borrowed)} from 🏦`;
   broadcast(message);
 }
 
 async function repay({log: {args: {reserve, amount, user}}}) {
   const repaid = {currencyId: ERC20Mapping.decodeEvmAddress(reserve), amount}
   const account = await toAccount(user);
-  const message = `${formatAccount(account)} repaid **${formatAmount(repaid)}**${formatUsdValue(usdValue(amount))} to 🏦`;
+  const message = `${formatAccount(account)} repaid ${formatAsset(repaid)} to 🏦`;
+  broadcast(message);
+}
+
+async function liquidationCall({log: {args: {collateralAsset, liquidatedCollateralAmount, user}}}) {
+  const collateral = {currencyId: ERC20Mapping.decodeEvmAddress(collateralAsset), amount: liquidatedCollateralAmount}
+  const account = await toAccount(user);
+  const message = `🏦 liquidated ${formatAsset(collateral)} of ${formatAccount(account)}`;
   broadcast(message);
 }