feat: fix a decimal issue for the derivative

src/contracts/services/derivativeShd.test.ts

@@ -29,6 +29,7 @@ beforeAll(() => {
 test('it can parse the staking info', () => {
   expect(parseDerivativeShdStakingInfo(
     stakingInfoResponse as StakingInfoResponse,
+    8,
   )).toStrictEqual(stakingInfoResponseParsed);
 });
 
@@ -41,6 +42,7 @@ test('it can call the query staking info service', async () => {
     codeHash: 'CODE_HASH',
     lcdEndpoint: 'LCD_ENDPOINT',
     chainId: 'CHAIN_ID',
+    decimals: 8,
   };
 
   let output;

src/contracts/services/derivativeShd.ts

@@ -15,23 +15,21 @@ import {
 import { convertCoinFromUDenom } from '~/lib/utils';
 import { msgQueryShdDerivativeStakingInfo } from '~/contracts/definitions/derivativeShd';
 
-// Contract returns price as a rate of dSHD/SHD with 8 decimals
-const DERIVATE_PRICE_DECIMALS = 8;
-
 /**
 * Parses the staking info query into a cleaner data model
  * NOT FOR PRODUCTION USE, CONTRACT IS IN DEVELOPMENT ON TESTNET ONLY
 */
 const parseDerivativeShdStakingInfo = (
   response: StakingInfoResponse,
+  decimals: number,
 ): ParsedStakingInfoResponse => ({
   unbondingTime: response.staking_info.unbonding_time,
   bondedShd: response.staking_info.bonded_shd,
   rewards: response.staking_info.rewards,
   totalDerivativeTokenSupply: response.staking_info.total_derivative_token_supply,
   price: convertCoinFromUDenom(
     response.staking_info.price,
-    DERIVATE_PRICE_DECIMALS,
+    decimals,
   ).toNumber(),
   feeInfo: {
     stakingFee: response.staking_info.fee_info.staking.rate / (
@@ -54,19 +52,21 @@ const queryDerivativeShdStakingInfo$ = ({
   codeHash,
   lcdEndpoint,
   chainId,
+  decimals,
 }: {
   contractAddress: string,
   codeHash?: string,
   lcdEndpoint?: string,
   chainId?: string,
+  decimals: number,
 }) => getActiveQueryClient$(lcdEndpoint, chainId).pipe(
   switchMap(({ client }) => sendSecretClientContractQuery$({
     queryMsg: msgQueryShdDerivativeStakingInfo(),
     client,
     contractAddress,
     codeHash,
   })),
-  map((response) => parseDerivativeShdStakingInfo(response as StakingInfoResponse)),
+  map((response) => parseDerivativeShdStakingInfo(response as StakingInfoResponse, decimals)),
   first(),
 );
 
@@ -79,17 +79,20 @@ async function queryDerivativeShdStakingInfo({
   codeHash,
   lcdEndpoint,
   chainId,
+  decimals,
 }: {
   contractAddress: string,
   codeHash?: string,
   lcdEndpoint?: string,
   chainId?: string,
+  decimals: number,
 }) {
   return lastValueFrom(queryDerivativeShdStakingInfo$({
     contractAddress,
     codeHash,
     lcdEndpoint,
     chainId,
+    decimals,
   }));
 }