From d4b199f0205bace49e9888bd05d5add0c3f50a1b Mon Sep 17 00:00:00 2001
From: AleksDemian <demonnvel@gmail.com>
Date: Thu, 6 Nov 2025 16:19:54 +0200
Subject: [PATCH] Stroom: TVL on bitcoin via PoR oracle
 (getCombinedReserveValue)

---
 projects/stroom/index.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 projects/stroom/index.js

diff --git a/projects/stroom/index.js b/projects/stroom/index.js
new file mode 100644
index 00000000000..90908d3b89c
--- /dev/null
+++ b/projects/stroom/index.js
@@ -0,0 +1,22 @@
+const sdk = require('@defillama/sdk')
+
+const POR_ORACLE = '0x12DB8fcA6AAA29E922bFAD8a7771aE11F17a1811'
+const abi = {
+	getCombinedReserveValue: 'function getCombinedReserveValue() view returns (uint256)',
+}
+
+async function tvl() {
+	const ethApi = new sdk.ChainApi({ chain: 'ethereum' })
+	const satoshis = await ethApi.call({ 
+    abi: abi.getCombinedReserveValue, 
+    target: POR_ORACLE 
+  })
+	const btc = Number(satoshis) / 1e8
+	return { 'coingecko:bitcoin': btc }
+}
+
+module.exports = {
+	timetravel: false,
+	methodology: 'TVL equals BTC reserves tracked on Bitcoin. We read the aggregated reserve value from Stroom\'s on-chain PoR oracle on Ethereum (denominated in satoshis), divide by 1e8 to get BTC, and report it as bitcoin (USD pricing from BTC).',
+	bitcoin: { tvl },
+}