{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "Cross-chain token mapping: Chain 138 ↔ Ethereum Mainnet. Single source of truth for relay tokenMapping and docs. No secrets.",
  "version": "1.0.0",
  "updated": "2026-02-16",
  "relayBridgeMainnet": "0xF9A32F37099c582D28b4dE7Fca6eaC1e5259f939",
  "relayBridgeNote": "CCIPRelayBridge on Mainnet is WETH9-only; it has no token registry. Only tokens listed with relaySupported true can be delivered 138→Mainnet via the current relay.",
  "tokens": [
    {
      "key": "WETH9",
      "name": "Wrapped Ether (WETH9)",
      "chain138Address": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
      "mainnetAddress": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
      "relaySupported": true,
      "notes": "Canonical WETH9; same address on both chains. Only token the Mainnet CCIPRelayBridge accepts."
    },
    {
      "key": "LINK_Token",
      "name": "Chainlink (LINK)",
      "chain138Address": "0xb7721dD53A8c629d9f1Ba31a5819AFe250002b03",
      "mainnetAddress": "0x514910771AF9Ca656af840dff83E8264EcF986CA",
      "relaySupported": false,
      "notes": "Canonical Mainnet LINK. Relay bridge does not accept LINK; add LINK support to bridge or a separate receiver to enable."
    },
    {
      "key": "WETH10",
      "name": "Wrapped Ether v10 (WETH10)",
      "chain138Address": "0xf4BB2e28688e89fCcE3c0580D37d36A7672E8A9f",
      "mainnetAddress": null,
      "relaySupported": false,
      "notes": "Chain 138 only. No Mainnet wrapped/mirrored contract; bridge has no mapping for this token."
    },
    {
      "key": "Compliant_USDT",
      "name": "Compliant USDT (cUSDT)",
      "chain138Address": "0x93E66202A11B1772E55407B32B44e5Cd8eda7f22",
      "mainnetAddress": null,
      "relaySupported": false,
      "notes": "Chain 138 compliant stablecoin. Mainnet canonical USDT is different (Tether); no bridge-wrapped address in current design."
    },
    {
      "key": "Compliant_USDC",
      "name": "Compliant USDC (cUSDC)",
      "chain138Address": "0xf22258f57794CC8E06237084b353Ab30fFfa640b",
      "mainnetAddress": null,
      "relaySupported": false,
      "notes": "Chain 138 compliant stablecoin. Mainnet canonical USDC is different (Circle); no bridge-wrapped address in current design."
    },
    {
      "key": "Tether_USDT_Chain138",
      "name": "Tether USDT (Chain 138)",
      "chain138Address": "0x15DF1D5BFDD8Aa4b380445D4e3E9B38d34283619",
      "mainnetAddress": null,
      "relaySupported": false,
      "notes": "Chain 138 Tether deployment. Mainnet canonical USDT: 0xdAC17F958D2ee523a2206206994597C13D831ec7; no bridge-wrapped address in current design."
    }
  ],
  "mainnetCanonicalReference": {
    "USDT": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
    "USDC": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "WETH9": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "LINK": "0x514910771AF9Ca656af840dff83E8264EcF986CA"
  }
}