support add BTC archive balance from utxos (#15593)

projects/coinbase-btc/index.js

@@ -2,7 +2,7 @@ const sdk = require('@defillama/sdk');
 const { sumTokens } = require('../helper/chain/bitcoin.js');
 const bitcoinAddressBook = require('../helper/bitcoin-book/index.js')
 
-async function tvl() {
+async function tvl(api) {
   const response = await fetch("https://www.coinbase.com/cbbtc/proof-of-reserves.json", {
     "headers": {
       "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8",
@@ -33,7 +33,7 @@ async function tvl() {
 
   const bitcoinWallets = res.reserveAddresses.map(item => item.address)
 
-  return sumTokens({ owners: bitcoinWallets })
+  return sumTokens({ timestamp: api.timestamp, owners: bitcoinWallets })
 }
 
 module.exports = {

projects/helper/chain/bitcoin.js

@@ -118,17 +118,42 @@ async function sumTokens({ balances = {}, owners = [], timestamp, forceCacheUse,
   return balances
 }
 
+// async function getBalance(addr, timestamp) {
+//   const now = Date.now() / 1e3
+//   let balance = await getBalanceNow(addr)
+
+//   if (!timestamp || (now - timestamp) < delay) return balance
+
+//   let endpoint = `https://btc.getblock.io/${getEnv('GETBLOCK_KEY')}/mainnet/blockbook/api/v2/balancehistory/${addr}?fiatcurrency=btc&groupBy=86400&from=${timestamp}`
+
+//   const response = await get(endpoint)
+//   response.forEach(({ sent, received }) => balance += sent / 1e8 - received / 1e8)
+//   sdk.log('bitcoin balance', addr, balance)
+//   return balance
+// }
+
+// get archive BTC balance
 async function getBalance(addr, timestamp) {
-  const now = Date.now() / 1e3
-  let balance = await getBalanceNow(addr)
+  const endpoint = url(addr) + '/txs'
+  const txs = await get(endpoint)
+  
+  let balance = 0
+  for (const tx of txs) {
+    if (tx.status.block_time <= timestamp) {
+      for (const vin of tx.vin) {
+        if (vin.prevout.scriptpubkey_address === addr) {
+          balance -= vin.prevout.value / 1e8
+        }
+      }
 
-  if (!timestamp || (now - timestamp) < delay) return balance
+      for (const vout of tx.vout) {
+        if (vout.scriptpubkey_address === addr) {
+          balance += vout.value / 1e8
+        }
+      }
+    }
+  }
 
-  let endpoint = `https://btc.getblock.io/${getEnv('GETBLOCK_KEY')}/mainnet/blockbook/api/v2/balancehistory/${addr}?fiatcurrency=btc&groupBy=86400&from=${timestamp}`
-
-  const response = await get(endpoint)
-  response.forEach(({ sent, received }) => balance += sent / 1e8 - received / 1e8)
-  sdk.log('bitcoin balance', addr, balance)
   return balance
 }
 

test.js

@@ -136,7 +136,7 @@ function validateHallmarks(hallmark) {
 
   let unixTimestamp = Math.round(Date.now() / 1000) - 60;
   let chainBlocks = {}
-  const passedTimestamp = process.argv[3]
+  const passedTimestamp = process.argv[3] ? Math.floor(new Date(process.argv[3]) / 1000) : undefined
   if (passedTimestamp !== undefined) {
     unixTimestamp = Number(passedTimestamp)