From 99d23df12261b515e7a17fbf2422dbfef37505a8 Mon Sep 17 00:00:00 2001
From: daniel <4954577+jaensen@users.noreply.github.com>
Date: Sun, 13 Oct 2024 18:16:52 +0200
Subject: [PATCH] fix: circles/static circles conversion

---
 packages/data/src/circlesData.ts | 18 ++++++++-----
 packages/utils/src/index.ts      | 43 +++++++++++++++++++++-----------
 2 files changed, 40 insertions(+), 21 deletions(-)

diff --git a/packages/data/src/circlesData.ts b/packages/data/src/circlesData.ts
index 524fbec..97d93c0 100644
--- a/packages/data/src/circlesData.ts
+++ b/packages/data/src/circlesData.ts
@@ -4,7 +4,13 @@ import {TrustListRow} from './rows/trustListRow';
 import {TokenBalanceRow} from './rows/tokenBalanceRow';
 import {CirclesRpc} from './circlesRpc';
 import {AvatarRow} from './rows/avatarRow';
-import {crcToTc, hexStringToUint8Array, tcToCrc, uint8ArrayToCidV0} from '@circles-sdk/utils';
+import {
+  attoCirclesToStaticAttoCircles,
+  crcToTc,
+  hexStringToUint8Array, staticAttoCirclesToAttoCircles,
+  tcToCrc,
+  uint8ArrayToCidV0
+} from '@circles-sdk/utils';
 import {ethers} from 'ethers';
 import {TrustRelation, TrustRelationRow} from './rows/trustRelationRow';
 import {CirclesDataInterface, GroupQueryParams} from './circlesDataInterface';
@@ -120,15 +126,15 @@ function calculateBalances(row: TransactionHistoryRow) {
       circles = crcToTc(new Date(), attoCrc);
       attoCircles = circlesToAttoCircles(circles);
 
-      staticCircles = crc * 3.0;
-      staticAttoCircles = attoCircles * 3n;
+      staticAttoCircles = attoCirclesToStaticAttoCircles(attoCircles);
+      staticCircles = attoCirclesToCircles(staticAttoCircles);
     } else {
       if (tokenInfo?.isInflationary) {
         staticAttoCircles = BigInt(rawBalance);
         staticCircles = attoCirclesToCircles(staticAttoCircles);
 
-        circles = crcToTc(new Date(), staticAttoCircles / 3n);
-        attoCircles = circlesToAttoCircles(circles);
+        attoCircles = staticAttoCirclesToAttoCircles(staticAttoCircles) ;
+        circles = attoCirclesToCircles(attoCircles);
 
         attoCrc = tcToCrc(new Date(), circles);
         crc = attoCirclesToCircles(attoCrc);
@@ -139,7 +145,7 @@ function calculateBalances(row: TransactionHistoryRow) {
         attoCrc = tcToCrc(new Date(), circles);
         crc = attoCirclesToCircles(attoCrc);
 
-        staticAttoCircles = tcToCrc(new Date(), circles) * 3n;
+        staticAttoCircles = attoCirclesToStaticAttoCircles(attoCircles);
         staticCircles = attoCirclesToCircles(staticAttoCircles);
       }
     }
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index d26a78f..e4bde61 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -1,26 +1,13 @@
 import { BigNumber } from 'bignumber.js';
 import { ethers, parseEther } from 'ethers';
 import multihash from 'multihashes';
-
-/**
- * Formats the token balance in time circles.
- * @param tokenBalance The token balance as a BigNumber.
- * @return The formatted token balance as a string.
- */
-function formatTimeCircles(tokenBalance: BigNumber): string {
-  const ether = tokenBalance.dividedToIntegerBy(new BigNumber(10).pow(18));
-  const remainder = tokenBalance.mod(new BigNumber(10).pow(18));
-  let remainderString = remainder.toFixed(0).padStart(18, '0').replace(/0+$/, '');
-
-  return remainderString.length > 0
-    ? `${ether.toString()}.${remainderString}`
-    : ether.toString();
-}
+import { attoCirclesToCircles, circlesToAttoCircles } from '@circles-sdk/data';
 
 const CirclesInceptionTimestamp = new Date('2020-10-15T00:00:00.000Z').getTime();
 const OneDayInMilliseconds = new BigNumber(86400).multipliedBy(1000);
 const OneCirclesYearInDays = new BigNumber(365.25);
 const OneCirclesYearInMilliseconds = OneCirclesYearInDays.multipliedBy(24).multipliedBy(60).multipliedBy(60).multipliedBy(1000);
+const Beta = 1.0001987074682146291562714890133039617432343970799554367508;
 
 function getCrcPayoutAt(timestamp: number): number {
   const daysSinceCirclesInception = new BigNumber(timestamp - CirclesInceptionTimestamp).dividedBy(OneDayInMilliseconds);
@@ -216,4 +203,30 @@ export function parseError(errorData: string): ethers.ErrorDescription | null {
   } catch (error) {
     throw new Error(`Error decoding the revert data: ${error}. Original error data: ${errorData}`);
   }
+}
+
+export function staticCirclesToCircles(value: number): number {
+  const lastUpdate = new Date();
+  const lastUpdateDay = (lastUpdate.getTime() - 1609459200000) / 86400000;
+  const f = Math.pow(Beta, lastUpdateDay);
+  return value / f;
+}
+
+export function staticAttoCirclesToAttoCircles(value: bigint): bigint {
+  const staticCircles = attoCirclesToCircles(value);
+  const circles = staticCirclesToCircles(staticCircles);
+  return circlesToAttoCircles(circles);
+}
+
+export function circlesToStaticCircles(value: number): number {
+  const lastUpdate = new Date();
+  const lastUpdateDay = (lastUpdate.getTime() - 1609459200000) / 86400000;
+  const f = Math.pow(Beta, lastUpdateDay);
+  return value * f;
+}
+
+export function attoCirclesToStaticAttoCircles(value: bigint): bigint {
+  const circles = attoCirclesToCircles(value);
+  const staticCircles = circlesToStaticCircles(circles);
+  return circlesToAttoCircles(staticCircles);
 }
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