Supported Assets Reference Table

This page is the authoritative reference for every price feed currently supported by IFÁ Labs. All feeds are USD-denominated, use consistent asset IDs across every supported network, and are updated using the hybrid deviation + heartbeat trigger model documented in Update Triggers.

Current Price Feeds

Asset	Symbol	Category	Decimal (EVM)	Asset ID (bytes32)
Tether	USDT/USD	Global	-18	`0x6ca0cef6107263f3b09a51448617b659278cff744f0e702c24a2f88c91e65a0d`
USD Coin	USDC/USD	Global	-18	`0xf989296bde68043d307a2bc0e59de3445defc5f292eb390b80d78162c8a6b13d`
Nigerian Naira Stablecoin	CNGN/USD	Emerging Market	-18	`0x83a18c73cf75a028a24b79cbedb3b8d8ba363b748a3210ddbcaa95eec3b87b3a`
South African Rand Stablecoin	ZARP/USD	Emerging Market	-18	`0x12373a3b1c4827c84bf6d7b11df100442695d0abfdb7a20d30a41d67d58e75a8`
Brazilian Real Stablecoin	BRZ/USD	Emerging Market	-18	`0xbc60b55b031dce1ee5679098bf2f35d66a94a566124e2b233324d2bafcc6d5b5`
Ethereum	ETH/USD	Reference Asset	-18	`0x8c3fb07cab369fe230ca4e45d095f796c4c1a30131f1799766d4fec5ee1325c0`

The Decimal (EVM) column reflects EVM scaling where -18 means divide by 10^18. On Sui, the same feeds use a positive decimal 18 — the same division applies but the sign convention differs. See Decimal Precision & Formatting for the full explanation.

ETH/USD is included as a reference asset to enable derived pair calculations between stablecoins and ETH. IFÁ Labs is stablecoin-first — ETH is not a primary feed target.

Feed Configuration

Each asset is configured with independent update triggers calibrated to its market behaviour:

Asset	Deviation Threshold	Heartbeat	Recommended MAX_PRICE_AGE
USDT/USD	0.1%	1 hour	5,400s (90 min)
USDC/USD	0.1%	1 hour	5,400s (90 min)
CNGN/USD	0.3%	2 hours	10,800s (3 hrs)
ZARP/USD	0.3%	2 hours	10,800s (3 hrs)
BRZ/USD	0.3%	2 hours	10,800s (3 hrs)
ETH/USD	0.5%	1 hour	5,400s (90 min)

The Recommended MAX_PRICE_AGE is 1.5× the heartbeat interval — the minimum safe staleness threshold accounting for heartbeat jitter. See Update Triggers for a full explanation of the trigger model.

Network Availability

All feeds are available on every currently supported network. Asset IDs are identical across networks — only the contract address changes.

Network	Status	Contract Address
Base Mainnet	Live	`0xA9F17344689C2c2328F94464998db1d3e35B80dC`
Base Sepolia	Testnet	`0xbF2ae81D8Adf3AA22401C4cC4f0116E936e1025b`
AssetChain Testnet	Testnet	`0xBAc31e568883774A632275F9c8E7A5Bd117000F7`
Sui Testnet	Testnet	`0x4d165602d4bb3a7d428a3aa567e27cbe03c9de2ed5995f8c13d1adc4cd3d196f`

On Sui, asset IDs are passed as vector<u8> (32-byte vectors) not bytes32 hex strings. The underlying 32-byte value is identical across all networks — only the format differs. See the Sui Integration Guide for Move-specific usage examples.

Asset ID Generation

Every asset ID is deterministically generated from its symbol string using keccak256:

bytes32 assetId = keccak256(abi.encodePacked("USDT/USD"));

Symbol string format: uppercase, forward slash separator, /USD suffix. Case-sensitive — "usdt/usd" produces a different hash and returns exists = false. Verify any asset ID independently:

const { ethers } = require("ethers");

const assets = [
  "USDT/USD",
  "USDC/USD",
  "CNGN/USD",
  "ZARP/USD",
  "BRZ/USD",
  "ETH/USD",
];

assets.forEach(symbol => {
  const id = ethers.keccak256(ethers.toUtf8Bytes(symbol));
  console.log(`${symbol}: ${id}`);
});

On Sui

Asset IDs on Sui use the same underlying 32-byte value but are passed as vector<u8> instead of bytes32. To construct one in Move:

use ifa_oracle::bytes32;

// Pass the raw 32 bytes — no 0x prefix
let asset_id = bytes32::new(
    x"6ca0cef6107263f3b09a51448617b659278cff744f0e702c24a2f88c91e65a0d"
);

In TypeScript using the Sui SDK:

// Strip the 0x prefix and convert to a byte array
const assetId = Array.from(
  Buffer.from(
    "6ca0cef6107263f3b09a51448617b659278cff744f0e702c24a2f88c91e65a0d",
    "hex"
  )
);

Do not include the 0x prefix when converting asset IDs for Sui. Pass the raw 32 bytes only. The bytes32::new() function in the IFÁ Labs Move package validates that the input is exactly 32 bytes and will abort if the length is wrong.

Solidity Constants

Copy-paste ready constants for every supported asset:

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/// @notice IFÁ Labs asset ID constants
/// @dev Generated via keccak256(abi.encodePacked("SYMBOL/USD"))
///      Identical across all supported EVM networks

// Global stablecoins
bytes32 public constant USDT_ASSET_ID =
    0x6ca0cef6107263f3b09a51448617b659278cff744f0e702c24a2f88c91e65a0d;

bytes32 public constant USDC_ASSET_ID =
    0xf989296bde68043d307a2bc0e59de3445defc5f292eb390b80d78162c8a6b13d;

// Emerging market stablecoins
bytes32 public constant CNGN_ASSET_ID =
    0x83a18c73cf75a028a24b79cbedb3b8d8ba363b748a3210ddbcaa95eec3b87b3a;

bytes32 public constant ZARP_ASSET_ID =
    0x12373a3b1c4827c84bf6d7b11df100442695d0abfdb7a20d30a41d67d58e75a8;

bytes32 public constant BRZ_ASSET_ID =
    0xbc60b55b031dce1ee5679098bf2f35d66a94a566124e2b233324d2bafcc6d5b5;

// Reference asset
bytes32 public constant ETH_ASSET_ID =
    0x8c3fb07cab369fe230ca4e45d095f796c4c1a30131f1799766d4fec5ee1325c0;

Move Constants (Sui)

// IFÁ Labs asset ID constants for Sui Move
// Generated via keccak256("SYMBOL/USD") — same values as EVM, different format

use ifa_oracle::bytes32::{Self, Bytes32};

public fun usdt_asset_id(): Bytes32 {
    bytes32::new(x"6ca0cef6107263f3b09a51448617b659278cff744f0e702c24a2f88c91e65a0d")
}

public fun usdc_asset_id(): Bytes32 {
    bytes32::new(x"f989296bde68043d307a2bc0e59de3445defc5f292eb390b80d78162c8a6b13d")
}

public fun cngn_asset_id(): Bytes32 {
    bytes32::new(x"83a18c73cf75a028a24b79cbedb3b8d8ba363b748a3210ddbcaa95eec3b87b3a")
}

public fun zarp_asset_id(): Bytes32 {
    bytes32::new(x"12373a3b1c4827c84bf6d7b11df100442695d0abfdb7a20d30a41d67d58e75a8")
}

public fun brz_asset_id(): Bytes32 {
    bytes32::new(x"bc60b55b031dce1ee5679098bf2f35d66a94a566124e2b233324d2bafcc6d5b5")
}

public fun eth_asset_id(): Bytes32 {
    bytes32::new(x"8c3fb07cab369fe230ca4e45d095f796c4c1a30131f1799766d4fec5ee1325c0")
}

JavaScript / TypeScript Constants

export const IFA_ASSET_IDS = {
  "USDT/USD": "0x6ca0cef6107263f3b09a51448617b659278cff744f0e702c24a2f88c91e65a0d",
  "USDC/USD": "0xf989296bde68043d307a2bc0e59de3445defc5f292eb390b80d78162c8a6b13d",
  "CNGN/USD": "0x83a18c73cf75a028a24b79cbedb3b8d8ba363b748a3210ddbcaa95eec3b87b3a",
  "ZARP/USD": "0x12373a3b1c4827c84bf6d7b11df100442695d0abfdb7a20d30a41d67d58e75a8",
  "BRZ/USD":  "0xbc60b55b031dce1ee5679098bf2f35d66a94a566124e2b233324d2bafcc6d5b5",
  "ETH/USD":  "0x8c3fb07cab369fe230ca4e45d095f796c4c1a30131f1799766d4fec5ee1325c0",
} as const;

export const IFA_MAX_PRICE_AGE: Record<keyof typeof IFA_ASSET_IDS, number> = {
  "USDT/USD": 5400,
  "USDC/USD": 5400,
  "CNGN/USD": 10800,
  "ZARP/USD": 10800,
  "BRZ/USD":  10800,
  "ETH/USD":  5400,
};

// For Sui — strip 0x prefix and convert to byte arrays
export const IFA_ASSET_IDS_SUI: Record<keyof typeof IFA_ASSET_IDS, number[]> = Object.fromEntries(
  Object.entries(IFA_ASSET_IDS).map(([symbol, hex]) => [
    symbol,
    Array.from(Buffer.from(hex.slice(2), "hex")),
  ])
) as Record<keyof typeof IFA_ASSET_IDS, number[]>;

Python Constants

IFA_ASSET_IDS = {
    "USDT/USD": "0x6ca0cef6107263f3b09a51448617b659278cff744f0e702c24a2f88c91e65a0d",
    "USDC/USD": "0xf989296bde68043d307a2bc0e59de3445defc5f292eb390b80d78162c8a6b13d",
    "CNGN/USD": "0x83a18c73cf75a028a24b79cbedb3b8d8ba363b748a3210ddbcaa95eec3b87b3a",
    "ZARP/USD": "0x12373a3b1c4827c84bf6d7b11df100442695d0abfdb7a20d30a41d67d58e75a8",
    "BRZ/USD":  "0xbc60b55b031dce1ee5679098bf2f35d66a94a566124e2b233324d2bafcc6d5b5",
    "ETH/USD":  "0x8c3fb07cab369fe230ca4e45d095f796c4c1a30131f1799766d4fec5ee1325c0",
}

IFA_MAX_PRICE_AGE = {
    "USDT/USD": 5400,
    "USDC/USD": 5400,
    "CNGN/USD": 10800,
    "ZARP/USD": 10800,
    "BRZ/USD":  10800,
    "ETH/USD":  5400,
}

# For EVM — convert hex strings to bytes for web3.py
IFA_ASSET_IDS_BYTES = {
    symbol: bytes.fromhex(asset_id[2:])
    for symbol, asset_id in IFA_ASSET_IDS.items()
}

# For Sui — same byte values, list format for Sui SDK
IFA_ASSET_IDS_SUI = {
    symbol: list(bytes.fromhex(asset_id[2:]))
    for symbol, asset_id in IFA_ASSET_IDS.items()
}

Derived Pair Support

Any two supported assets can be priced against each other using the oracle’s derived pair functions — without requiring a dedicated feed for every possible combination. Examples of available derived pairs:

Pair	Description	EVM Function	Sui Function
CNGN/USDT	Nigerian naira stablecoin priced in USDT	`getPairbyId(CNGN, USDT, Forward)`	`get_pair_by_id(&feed, cngn_id, usdt_id, 0)`
ZARP/USDC	South African rand stablecoin priced in USDC	`getPairbyId(ZARP, USDC, Forward)`	`get_pair_by_id(&feed, zarp_id, usdc_id, 0)`
BRZ/USDT	Brazilian real stablecoin priced in USDT	`getPairbyId(BRZ, USDT, Forward)`	`get_pair_by_id(&feed, brz_id, usdt_id, 0)`
USDT/CNGN	USDT priced in CNGN terms	`getPairbyId(CNGN, USDT, Backward)`	`get_pair_by_id(&feed, cngn_id, usdt_id, 1)`
ETH/USDC	ETH priced in USDC terms	`getPairbyId(ETH, USDC, Forward)`	`get_pair_by_id(&feed, eth_id, usdc_id, 0)`

Direction values: 0 = Forward (asset0 / asset1), 1 = Backward (asset1 / asset0). Any combination of the six supported assets is computable as a derived pair. See Function Reference for the full EVM derived pair API, or the Sui Function Reference for Move.

On Sui, derived pair functions abort if either underlying asset does not exist in the feed — they do not return a false flag like the EVM exists boolean. Always verify both assets exist with get_asset_info before calling any pair function on Sui.

Requesting New Feeds

IFÁ Labs adds new assets on a rolling basis based on ecosystem demand. Priority is given to:

Stablecoins with verified, transparent backing
Assets with demonstrated on-chain or real-world adoption
Emerging market stablecoins in Africa, Latin America, and Southeast Asia
Assets requested by active protocol integrations

To request a new feed:

Email

support@ifalabs.com — include token contract, backing proof, and use case

t.me/ifalabs — fastest response for quick questions

GitHub

Open a feed request issue with full details

When submitting a request, include:

Token contract address on all relevant chains
Backing mechanism and reserve proof
Current daily trading volume across all venues
The protocol or use case driving the request
Any existing oracle coverage on other networks

INTRODUCTION

QUICKSTART

INTEGRATION GUIDES

CORE CONCEPTS

ONCHAIN REFERENCE

SECURITY & AUDITS

ADVANCED TOPICS

TROUBLESHOOTING

REFERENCE

SUPPORT & COMMUNITY

Current Price Feeds

Feed Configuration

Network Availability

Asset ID Generation

On Sui

Solidity Constants

Move Constants (Sui)

JavaScript / TypeScript Constants

Python Constants

Derived Pair Support

Requesting New Feeds

Email

Telegram

GitHub

Next Steps

Network Information

Working with Asset IDs

​Current Price Feeds

​Feed Configuration

​Network Availability

​Asset ID Generation

​On Sui

​Solidity Constants

​Move Constants (Sui)

​JavaScript / TypeScript Constants

​Python Constants

​Derived Pair Support

​Requesting New Feeds

Email

Telegram

GitHub

​Next Steps

Network Information

Working with Asset IDs

Current Price Feeds

Feed Configuration

Network Availability

Asset ID Generation

On Sui

Solidity Constants

Move Constants (Sui)

JavaScript / TypeScript Constants

Python Constants

Derived Pair Support

Requesting New Feeds

Next Steps