fix: update stx year 2050 supply to reflect sip-031 increase (#2334)

* fix: update stx year 2050 supply to reflect sip-031 increase

* fix: remove 2050 from response

* fix: tests

Author: rafaelcr

src/helpers.ts

@@ -167,8 +167,11 @@ export function formatMapToObject<TKey extends string, TValue, TFormatted>(
 //   > Block reward: 1000 STX/block for first 4 yrs;
 //   > 500 STX/block for following 4 yrs;
 //   > 250 for the 4 yrs after that; and then 125 STX/block in perpetuity after that.
-// We are going to use the year 2050 projected supply because "125 STX/block in perpetuity" means the total supply is infinite.
-export const TOTAL_STACKS_YEAR_2050 = new BigNumber(1_818_000_000n.toString());
+// We are going to use the year 2050 projected supply because "125 STX/block in perpetuity" means
+// the total supply is infinite.
+// After SIP-031 was activated with Stacks 3.2, however, the total supply was increased by 500M STX
+// to 2.318B STX.
+export const TOTAL_STACKS_YEAR_2050 = new BigNumber(2_318_000_000n.toString());
 
 const MICROSTACKS_IN_STACKS = 1_000_000n;
 export const STACKS_DECIMAL_PLACES = 6;

tests/api/other.test.ts

@@ -147,7 +147,7 @@ describe('other tests', () => {
     const expectedResp1 = {
       unlocked_percent: '100.00',
       total_stx: '235000000.000000',
-      total_stx_year_2050: '1818000000.000000',
+      total_stx_year_2050: '2318000000.000000',
       unlocked_stx: '235000000.000000',
       block_height: 1,
     };
@@ -175,7 +175,7 @@ describe('other tests', () => {
       unlocked_percent: '100.00',
       total_stx: microStxToStx(expectedTotalStx2),
       unlocked_stx: microStxToStx(expectedTotalStx2),
-      total_stx_year_2050: '1818000000.000000',
+      total_stx_year_2050: '2318000000.000000',
       block_height: dbBlock1.block_height,
     };
     expect(JSON.parse(result2.text)).toEqual(expectedResp2);
@@ -206,7 +206,7 @@ describe('other tests', () => {
     const expectedResp3 = {
       unlocked_percent: '100.00',
       total_stx: microStxToStx(expectedTotalStx3),
-      total_stx_year_2050: '1818000000.000000',
+      total_stx_year_2050: '2318000000.000000',
       unlocked_stx: microStxToStx(expectedTotalStx3),
       block_height: dbBlock1.block_height,
     };
@@ -236,8 +236,8 @@ describe('other tests', () => {
       unlockedSupplyFormatted: new Intl.NumberFormat('en', {
         minimumFractionDigits: STACKS_DECIMAL_PLACES,
       }).format(parseInt(microStxToStx(expectedTotalStx3))),
-      totalStacksYear2050: '1818000000.000000',
-      totalStacksYear2050Formatted: '1,818,000,000.000000',
+      totalStacksYear2050: '2318000000.000000',
+      totalStacksYear2050Formatted: '2,318,000,000.000000',
       blockHeight: dbBlock1.block_height.toString(),
     };
     expect(JSON.parse(result6.text)).toEqual(expectedResp6);