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Add dataStreamInverted flag to ChainlinkDataStreamProvider #9

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Merged
kwon-t merged 1 commit into from
Nov 18, 2025
Merged

Add dataStreamInverted flag to ChainlinkDataStreamProvider #9

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1 change: 1 addition & 0 deletions config/tokens.ts
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Expand Up @@ -36,6 +36,7 @@ type BaseTokenConfig = {
oracleType?: string;
dataStreamFeedId?: string;
dataStreamFeedDecimals?: number;
dataStreamInverted?: boolean;
dataStreamSpreadReductionFactor?: BigNumberish;
priceFeed?: OraclePriceFeed;
};
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1 change: 1 addition & 0 deletions contracts/config/Config.sol
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Expand Up @@ -552,6 +552,7 @@ contract Config is ReentrancyGuard, RoleModule, BasicMulticall {
allowedBaseKeys[Keys.BUYBACK_MAX_PRICE_IMPACT_FACTOR] = true;
allowedBaseKeys[Keys.BUYBACK_MAX_PRICE_AGE] = true;

allowedBaseKeys[Keys.DATA_STREAM_INVERTED] = true;
allowedBaseKeys[Keys.DATA_STREAM_SPREAD_REDUCTION_FACTOR] = true;
}

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12 changes: 12 additions & 0 deletions contracts/data/Keys.sol
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Expand Up @@ -332,6 +332,8 @@ library Keys {
bytes32 public constant PRICE_FEED_HEARTBEAT_DURATION = keccak256(abi.encode("PRICE_FEED_HEARTBEAT_DURATION"));
// @dev key for data stream feed id
bytes32 public constant DATA_STREAM_ID = keccak256(abi.encode("DATA_STREAM_ID"));
// @dev key for data stream inverted flag (e.g. USD/JPY for JPY)
bytes32 public constant DATA_STREAM_INVERTED = keccak256(abi.encode("DATA_STREAM_INVERTED"));
// @dev key for data stream feed multiplier
bytes32 public constant DATA_STREAM_MULTIPLIER = keccak256(abi.encode("DATA_STREAM_MULTIPLIER"));
bytes32 public constant DATA_STREAM_SPREAD_REDUCTION_FACTOR = keccak256(abi.encode("DATA_STREAM_SPREAD_REDUCTION_FACTOR"));
Expand Down Expand Up @@ -1855,6 +1857,16 @@ library Keys {
));
}

// @dev key for data stream inverted flag (e.g. USD/JPY for JPY)
// @param token the token to get the key for
// @return key for data stream inverted flag
function dataStreamInvertedKey(address token) internal pure returns (bytes32) {
return keccak256(abi.encode(
DATA_STREAM_INVERTED,
token
));
}

// @dev key for data stream feed multiplier
// @param token the token to get the key for
// @return key for data stream feed multiplier
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7 changes: 7 additions & 0 deletions contracts/oracle/ChainlinkDataStreamProvider.sol
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Expand Up @@ -77,6 +77,13 @@ contract ChainlinkDataStreamProvider is IOracleProvider {
uint256 adjustedBidPrice = Precision.mulDiv(uint256(uint192(report.bid)), precision, Precision.FLOAT_PRECISION);
uint256 adjustedAskPrice = Precision.mulDiv(uint256(uint192(report.ask)), precision, Precision.FLOAT_PRECISION);

bool inverted = dataStore.getBool(Keys.dataStreamInvertedKey(token));
if (inverted) {
uint256 temp = adjustedBidPrice;
adjustedBidPrice = Precision.mulDiv(Precision.FLOAT_PRECISION, Precision.FLOAT_PRECISION, adjustedAskPrice);
adjustedAskPrice = Precision.mulDiv(Precision.FLOAT_PRECISION, Precision.FLOAT_PRECISION, temp);
}

uint256 spreadReductionFactor = _getDataStreamSpreadReductionFactor(token);
if (spreadReductionFactor != 0) {
// small optimization for full reduction
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10 changes: 9 additions & 1 deletion deploy/configureDataStreamFeeds.ts
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Expand Up @@ -2,7 +2,7 @@ import { HardhatRuntimeEnvironment } from "hardhat/types";
import { TokenConfig } from "../config/tokens";

import * as keys from "../utils/keys";
import { setBytes32IfDifferent, setUintIfDifferent } from "../utils/dataStore";
import { setBoolIfDifferent, setBytes32IfDifferent, setUintIfDifferent } from "../utils/dataStore";
import { expandDecimals } from "../utils/math";

const func = async ({ gmx }: HardhatRuntimeEnvironment) => {
Expand Down Expand Up @@ -32,6 +32,14 @@ const func = async ({ gmx }: HardhatRuntimeEnvironment) => {
`data stream feed id for ${tokenSymbol} ${token.address}`
);

if (token.dataStreamInverted) {
await setBoolIfDifferent(
keys.dataStreamInvertedKey(token.address),
token.dataStreamInverted,
`data stream feed inverted flag for ${tokenSymbol} ${token.address}`
);
}

const dataStreamMultiplier = expandDecimals(1, 60 - token.decimals - token.dataStreamFeedDecimals);
await setUintIfDifferent(
keys.dataStreamMultiplierKey(token.address),
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5 changes: 5 additions & 0 deletions utils/keys.ts
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Expand Up @@ -118,6 +118,7 @@ export const PRICE_FEED = hashString("PRICE_FEED");
export const PRICE_FEED_MULTIPLIER = hashString("PRICE_FEED_MULTIPLIER");
export const PRICE_FEED_HEARTBEAT_DURATION = hashString("PRICE_FEED_HEARTBEAT_DURATION");
export const DATA_STREAM_ID = hashString("DATA_STREAM_ID");
export const DATA_STREAM_INVERTED = hashString("DATA_STREAM_INVERTED");
export const DATA_STREAM_MULTIPLIER = hashString("DATA_STREAM_MULTIPLIER");
export const DATA_STREAM_SPREAD_REDUCTION_FACTOR = hashString("DATA_STREAM_SPREAD_REDUCTION_FACTOR");
export const STABLE_PRICE = hashString("STABLE_PRICE");
Expand Down Expand Up @@ -402,6 +403,10 @@ export function dataStreamIdKey(token: string) {
return hashData(["bytes32", "address"], [DATA_STREAM_ID, token]);
}

export function dataStreamInvertedKey(token: string) {
return hashData(["bytes32", "address"], [DATA_STREAM_INVERTED, token]);
}

export function dataStreamMultiplierKey(token: string) {
return hashData(["bytes32", "address"], [DATA_STREAM_MULTIPLIER, token]);
}
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