feat: integrate Cronos (chainId 25) as second-class EVM chain

.beads/ss-dx5.3.json

@@ -0,0 +1,39 @@
+[
+  {
+    "id": "ss-dx5.3",
+    "title": "Integrate Mantle (chainId: 5000, MNT, Optimistic L2)",
+    "description": "TVL: $433.3M | RPC: https://rpc.mantle.xyz | Explorer: https://mantlescan.xyz | Token Support: All | Pattern B (RPC-only) | Non-ETH native token (MNT)",
+    "notes": "Logo: https://assets.relay.link/icons/5000/light.png (dark: dark.png)\nCoinGecko: mantle\nArch: Optimistic L2\nViem key: mantle\n⚠️ NON-ETH GAS: MNT - must configure in chainIdToFeeAssetId.ts\nChecklist: [ ] chain-adapters [ ] caip [ ] asset-service [ ] feature-flag [ ] plugin [ ] env-config [ ] icon/logo [ ] fee-asset-config\n\n--- RELAY ACTIVATION ---\n[ ] Add to chainIdToRelayChainId in packages/swapper/src/swappers/RelaySwapper/constant.ts\n[ ] Add native asset case in packages/swapper/src/swappers/RelaySwapper/utils/relayTokenToAssetId.ts\n--- ASSET DATA REGEN ---\n[ ] Create scripts/generateAssetData/\u003cchainname\u003e/index.ts\n[ ] Add case to scripts/generateAssetData/coingecko.ts\n[ ] Add import + getAssets call to scripts/generateAssetData/generateAssetData.ts\n[ ] Run: yarn generate:asset-data\n--- DRAFT PR ---\n[ ] Branch: feat/integrate-\u003cchainname\u003e-relay (off develop)\n[ ] gh pr create --draft using .github/PULL_REQUEST_TEMPLATE.md\n[ ] Fill: Description, Issue (Part of #11902), Risk (Low - behind feature flag), Testing (enable flag + verify chain + relay bridge quote), Operations (behind flag checkbox)\n[ ] yarn lint --fix \u0026\u0026 yarn type-check must pass before PR",
+    "status": "open",
+    "priority": 1,
+    "issue_type": "task",
+    "owner": "14963751+NeOMakinG@users.noreply.github.com",
+    "created_at": "2026-02-17T10:55:24Z",
+    "created_by": "NeOMakinG",
+    "updated_at": "2026-02-17T11:21:35Z",
+    "labels": [
+      "evm",
+      "non-eth-gas",
+      "relay",
+      "tier-1"
+    ],
+    "dependencies": [
+      {
+        "id": "ss-dx5",
+        "title": "Add support for missing Relay.link EVM chains",
+        "description": "Master epic tracking integration of ALL chains supported by Relay.link that ShapeShift web doesn't currently support. Enables cross-chain bridging capabilities via Relay infrastructure. See https://github.com/shapeshift/web/issues/11902 for full details. All new EVM chains will use Pattern B (RPC-only + getKnownTokens) since no ShapeShift unchained indexer infrastructure exists for these chains.",
+        "notes": "=== FROM ISSUE COMMENTS ===\n\nLOGO PATTERN: https://assets.relay.link/icons/{chainId}/light.png (dark: dark.png)\n\nARCHITECTURE GROUPS:\n- OP Stack (standard): Ink, Unichain, BOB, Mode, Hemi, World Chain, Soneium, Zircuit, Lisk, Cyber, Blast, Zora, Redstone, Shape, Superseed, Manta Pacific\n- zkEVM (special handling): Scroll, zkSync Era, Linea, Polygon zkEVM, Taiko, Abstract\n- Arbitrum Orbit: ApeChain, Xai, Sanko\n- Non-ETH gas (10 chains): Mantle(MNT), Metis(METIS), Cronos(CRO), Ronin(RON), Sonic(S), Flow(FLOW), Berachain(BERA), Plume(PLUME), Story(IP), Stable(gUSDT)\n\nCRITICAL CHAINS:\n1. Celo (42220): Native token is BOTH native AND ERC20. Relay uses wrapped CELO. Check relayTransactionMetadata.assetRequiringApproval\n2. Blast (81457): Rebasing ETH from L1 staking yield. USDB also rebases. Handle in balance displays.\n3. Ethereal (5064014): NOT in viem. Needs custom chain definition.\n4. zkSync Era (324) + Abstract (2741): Type 113 (EIP-712) transactions. Use viem zksync chainConfig.\n5. Linea (59144): Custom linea_estimateGas RPC method.\n6. Sei (1329): Parallelized EVM + CosmWasm interop. CoinGecko uses sei-v2 NOT sei.\n\nCOINGECKO GOTCHAS: sei-\u003esei-v2, plume-\u003eplume-network, zksync-\u003ezksync, metis-\u003emetis-andromeda, morph-\u003emorph-l2, gravity-\u003egravity-alpha, boba-\u003eboba, zora-\u003ezora-network, funkichain-\u003efunki, Superposition (capital S). BOB/Zero Network have null chain_identifier. 11 chains not on CoinGecko at all.\n\nPER-CHAIN CHECKLIST: [ ] chain-adapters [ ] caip [ ] asset-service [ ] feature-flag [ ] plugin [ ] env-config [ ] icon/logo\n\n=== RELAY SWAPPER INTEGRATION (per chain) ===\n\nFILE 1: packages/swapper/src/swappers/RelaySwapper/constant.ts\n  - Add to chainIdToRelayChainId map: [newChainChainId]: \u003cviem_chain\u003e.id (or numeric chain ID)\n  - Import the caip chainId (e.g., scrollChainId) from @shapeshiftoss/caip\n  - Import viem chain from viem/chains (or use raw numeric ID if not in viem)\n  - The reverse map relayChainIdToChainId auto-generates via invert()\n\nFILE 2: packages/swapper/src/swappers/RelaySwapper/utils/relayTokenToAssetId.ts\n  - Add case CHAIN_REFERENCE.NewChainMainnet: with ASSET_REFERENCE.NewChain + ASSET_NAMESPACE.slip44\n\nNO CHANGES NEEDED (for EVM chains):\n  - getRelayAssetAddress.ts (uses generic isNativeEvmAsset + DEFAULT_RELAY_EVM_TOKEN_ADDRESS)\n  - getRelayDefaultUserAddress.ts (falls through to DEFAULT_RELAY_EVM_USER_ADDRESS default)\n\nUPSTREAM DEPS REQUIRED (in @shapeshiftoss packages):\n  - @shapeshiftoss/caip: export newChainChainId, CHAIN_REFERENCE.NewChainMainnet, ASSET_REFERENCE.NewChain\n  - @shapeshiftoss/types: KnownChainIds.NewChainMainnet\n  - @shapeshiftoss/chain-adapters: NewChain chain adapter class\n  - viem/chains: chain config (or custom if not in viem)\n\nRELAY API: https://api.relay.link (env: VITE_RELAY_API_URL) - no per-chain config needed\n\n=== ASSET DATA REGENERATION (per chain) ===\n\nAfter integrating each chain, run a partial assets data regen to populate the token list.\n\nFILE 1 (CREATE): scripts/generateAssetData/\u003cchainname\u003e/index.ts\n  Pattern (identical for all EVM chains):\n    import { \u003cchainname\u003eChainId } from '@shapeshiftoss/caip'\n    import type { Asset } from '@shapeshiftoss/types'\n    import { \u003cchainname\u003e, unfreeze } from '@shapeshiftoss/utils'\n    import * as coingecko from '../coingecko'\n    export const getAssets = async (): Promise\u003cAsset[]\u003e =\u003e {\n      const assets = await coingecko.getAssets(\u003cchainname\u003eChainId)\n      return [...assets, unfreeze(\u003cchainname\u003e)]\n    }\n\nFILE 2 (MODIFY): scripts/generateAssetData/coingecko.ts\n  - Import \u003cchainname\u003eChainId from @shapeshiftoss/caip\n  - Import \u003cchainname\u003e native asset from @shapeshiftoss/utils\n  - Add case in the switch: case \u003cchainname\u003eChainId: return { assetNamespace: ASSET_NAMESPACE.erc20, category: adapters.chainIdToCoingeckoAssetPlatform(chainId), explorer/explorerAddressLink/explorerTxLink from \u003cchainname\u003e utils }\n  - NOTE: chains not on CoinGecko will only have the native asset (no ERC20 token list)\n\nFILE 3 (MODIFY): scripts/generateAssetData/generateAssetData.ts\n  - Import: import * as \u003cchainname\u003e from './\u003cchainname\u003e'\n  - Call: const \u003cchainname\u003eAssets = await \u003cchainname\u003e.getAssets()\n  - Spread into unfilteredAssetData: ...\u003cchainname\u003eAssets\n\nCOMMAND: yarn generate:asset-data\n  This regenerates: src/generated/asset-data.json + related-asset-index + manifest + compressed assets\n\n=== DRAFT PR CREATION (final step per chain) ===\n\nAfter all code changes are complete for a chain, open a draft PR using the repo template.\n\nBRANCH NAMING: feat/integrate-\u003cchainname\u003e-relay (e.g. feat/integrate-scroll-relay)\n\nCOMMAND:\n  gh pr create --draft --title 'feat: integrate \u003cChainName\u003e (chainId: \u003cid\u003e) via Relay' --body \"$(cat \u003c\u003c'PREOF'\n  ## Description\n\n  Add \u003cChainName\u003e (chainId: \u003cid\u003e) as a second-class EVM chain in ShapeShift Web with Relay bridge support.\n\n  **Changes:**\n  - Plugin registration in src/plugins/\u003cchainname\u003e/\n  - Feature flag `\u003cChainName\u003e` in preferencesSlice\n  - Relay swapper chain mapping in RelaySwapper/constant.ts\n  - Asset data generation via CoinGecko (`\u003ccoingecko_platform_id\u003e`)\n  - Environment config for RPC URL\n\n  **Chain details:**\n  - TVL: \u003ctvl\u003e\n  - Native token: \u003ctoken\u003e (18 decimals)\n  - Architecture: \u003carch_type\u003e\n  - RPC: \u003crpc_url\u003e\n  - Explorer: \u003cexplorer_url\u003e\n\n  ## Issue (if applicable)\n\n  Part of #11902\n\n  ## Risk\n\n  Low risk — new chain behind feature flag (`\u003cChainName\u003e`), no existing functionality affected.\n\n  \u003e New chain plugin + Relay bridge mapping. No modifications to existing chain logic.\n\n  ## Testing\n\n  ### Engineering\n\n  1. Enable feature flag: set `VITE_FEATURE_\u003cCHAINNAME\u003e=true` in .env\n  2. Verify chain appears in supported chains list\n  3. Verify native token balance loads (connect wallet with \u003ctoken\u003e on \u003cChainName\u003e)\n  4. Verify Relay bridge quote works: bridge ETH from Ethereum → \u003cChainName\u003e\n  5. Run `yarn lint --fix \u0026\u0026 yarn type-check` — must pass\n\n  ### Operations\n\n  - [x] :checkered_flag: My feature is behind a flag and doesn't require operations testing (yet)\n\n  ## Screenshots (if applicable)\n\n  N/A — chain integration, no UI changes.\n  PREOF\n  )\"\n\nNOTE: Replace all \u003cplaceholders\u003e with actual chain values from the bead description/notes.\nNOTE: Use --draft flag to create as draft PR.\nNOTE: Branch off develop (main branch is develop, not main).",
+        "status": "open",
+        "priority": 0,
+        "issue_type": "epic",
+        "owner": "14963751+NeOMakinG@users.noreply.github.com",
+        "created_at": "2026-02-17T10:55:02Z",
+        "created_by": "NeOMakinG",
+        "updated_at": "2026-02-17T11:21:27Z",
+        "external_ref": "gh-11902",
+        "dependency_type": "parent-child"
+      }
+    ],
+    "parent": "ss-dx5"
+  }
+]

.beads/ss-dx5.4.json

@@ -0,0 +1,39 @@
+[
+  {
+    "id": "ss-dx5.4",
+    "title": "Integrate Cronos (chainId: 25, CRO, EVM Sidechain)",
+    "description": "TVL: $376.1M | RPC: https://cronos.drpc.org | Explorer: https://cronoscan.com | Token Support: All | Pattern B (RPC-only) | Crypto.com ecosystem",
+    "notes": "Logo: https://assets.relay.link/icons/25/light.png (dark: dark.png)\nCoinGecko: cronos\nArch: EVM Sidechain (Crypto.com)\nViem key: cronos\n⚠️ NON-ETH GAS: CRO - must configure in chainIdToFeeAssetId.ts\nChecklist: [ ] chain-adapters [ ] caip [ ] asset-service [ ] feature-flag [ ] plugin [ ] env-config [ ] icon/logo [ ] fee-asset-config\n\n--- RELAY ACTIVATION ---\n[ ] Add to chainIdToRelayChainId in packages/swapper/src/swappers/RelaySwapper/constant.ts\n[ ] Add native asset case in packages/swapper/src/swappers/RelaySwapper/utils/relayTokenToAssetId.ts\n--- ASSET DATA REGEN ---\n[ ] Create scripts/generateAssetData/\u003cchainname\u003e/index.ts\n[ ] Add case to scripts/generateAssetData/coingecko.ts\n[ ] Add import + getAssets call to scripts/generateAssetData/generateAssetData.ts\n[ ] Run: yarn generate:asset-data\n--- DRAFT PR ---\n[ ] Branch: feat/integrate-\u003cchainname\u003e-relay (off develop)\n[ ] gh pr create --draft using .github/PULL_REQUEST_TEMPLATE.md\n[ ] Fill: Description, Issue (Part of #11902), Risk (Low - behind feature flag), Testing (enable flag + verify chain + relay bridge quote), Operations (behind flag checkbox)\n[ ] yarn lint --fix \u0026\u0026 yarn type-check must pass before PR",
+    "status": "open",
+    "priority": 1,
+    "issue_type": "task",
+    "owner": "14963751+NeOMakinG@users.noreply.github.com",
+    "created_at": "2026-02-17T10:55:24Z",
+    "created_by": "NeOMakinG",
+    "updated_at": "2026-02-17T11:21:35Z",
+    "labels": [
+      "evm",
+      "non-eth-gas",
+      "relay",
+      "tier-1"
+    ],
+    "dependencies": [
+      {
+        "id": "ss-dx5",
+        "title": "Add support for missing Relay.link EVM chains",
+        "description": "Master epic tracking integration of ALL chains supported by Relay.link that ShapeShift web doesn't currently support. Enables cross-chain bridging capabilities via Relay infrastructure. See https://github.com/shapeshift/web/issues/11902 for full details. All new EVM chains will use Pattern B (RPC-only + getKnownTokens) since no ShapeShift unchained indexer infrastructure exists for these chains.",
+        "notes": "=== FROM ISSUE COMMENTS ===\n\nLOGO PATTERN: https://assets.relay.link/icons/{chainId}/light.png (dark: dark.png)\n\nARCHITECTURE GROUPS:\n- OP Stack (standard): Ink, Unichain, BOB, Mode, Hemi, World Chain, Soneium, Zircuit, Lisk, Cyber, Blast, Zora, Redstone, Shape, Superseed, Manta Pacific\n- zkEVM (special handling): Scroll, zkSync Era, Linea, Polygon zkEVM, Taiko, Abstract\n- Arbitrum Orbit: ApeChain, Xai, Sanko\n- Non-ETH gas (10 chains): Mantle(MNT), Metis(METIS), Cronos(CRO), Ronin(RON), Sonic(S), Flow(FLOW), Berachain(BERA), Plume(PLUME), Story(IP), Stable(gUSDT)\n\nCRITICAL CHAINS:\n1. Celo (42220): Native token is BOTH native AND ERC20. Relay uses wrapped CELO. Check relayTransactionMetadata.assetRequiringApproval\n2. Blast (81457): Rebasing ETH from L1 staking yield. USDB also rebases. Handle in balance displays.\n3. Ethereal (5064014): NOT in viem. Needs custom chain definition.\n4. zkSync Era (324) + Abstract (2741): Type 113 (EIP-712) transactions. Use viem zksync chainConfig.\n5. Linea (59144): Custom linea_estimateGas RPC method.\n6. Sei (1329): Parallelized EVM + CosmWasm interop. CoinGecko uses sei-v2 NOT sei.\n\nCOINGECKO GOTCHAS: sei-\u003esei-v2, plume-\u003eplume-network, zksync-\u003ezksync, metis-\u003emetis-andromeda, morph-\u003emorph-l2, gravity-\u003egravity-alpha, boba-\u003eboba, zora-\u003ezora-network, funkichain-\u003efunki, Superposition (capital S). BOB/Zero Network have null chain_identifier. 11 chains not on CoinGecko at all.\n\nPER-CHAIN CHECKLIST: [ ] chain-adapters [ ] caip [ ] asset-service [ ] feature-flag [ ] plugin [ ] env-config [ ] icon/logo\n\n=== RELAY SWAPPER INTEGRATION (per chain) ===\n\nFILE 1: packages/swapper/src/swappers/RelaySwapper/constant.ts\n  - Add to chainIdToRelayChainId map: [newChainChainId]: \u003cviem_chain\u003e.id (or numeric chain ID)\n  - Import the caip chainId (e.g., scrollChainId) from @shapeshiftoss/caip\n  - Import viem chain from viem/chains (or use raw numeric ID if not in viem)\n  - The reverse map relayChainIdToChainId auto-generates via invert()\n\nFILE 2: packages/swapper/src/swappers/RelaySwapper/utils/relayTokenToAssetId.ts\n  - Add case CHAIN_REFERENCE.NewChainMainnet: with ASSET_REFERENCE.NewChain + ASSET_NAMESPACE.slip44\n\nNO CHANGES NEEDED (for EVM chains):\n  - getRelayAssetAddress.ts (uses generic isNativeEvmAsset + DEFAULT_RELAY_EVM_TOKEN_ADDRESS)\n  - getRelayDefaultUserAddress.ts (falls through to DEFAULT_RELAY_EVM_USER_ADDRESS default)\n\nUPSTREAM DEPS REQUIRED (in @shapeshiftoss packages):\n  - @shapeshiftoss/caip: export newChainChainId, CHAIN_REFERENCE.NewChainMainnet, ASSET_REFERENCE.NewChain\n  - @shapeshiftoss/types: KnownChainIds.NewChainMainnet\n  - @shapeshiftoss/chain-adapters: NewChain chain adapter class\n  - viem/chains: chain config (or custom if not in viem)\n\nRELAY API: https://api.relay.link (env: VITE_RELAY_API_URL) - no per-chain config needed\n\n=== ASSET DATA REGENERATION (per chain) ===\n\nAfter integrating each chain, run a partial assets data regen to populate the token list.\n\nFILE 1 (CREATE): scripts/generateAssetData/\u003cchainname\u003e/index.ts\n  Pattern (identical for all EVM chains):\n    import { \u003cchainname\u003eChainId } from '@shapeshiftoss/caip'\n    import type { Asset } from '@shapeshiftoss/types'\n    import { \u003cchainname\u003e, unfreeze } from '@shapeshiftoss/utils'\n    import * as coingecko from '../coingecko'\n    export const getAssets = async (): Promise\u003cAsset[]\u003e =\u003e {\n      const assets = await coingecko.getAssets(\u003cchainname\u003eChainId)\n      return [...assets, unfreeze(\u003cchainname\u003e)]\n    }\n\nFILE 2 (MODIFY): scripts/generateAssetData/coingecko.ts\n  - Import \u003cchainname\u003eChainId from @shapeshiftoss/caip\n  - Import \u003cchainname\u003e native asset from @shapeshiftoss/utils\n  - Add case in the switch: case \u003cchainname\u003eChainId: return { assetNamespace: ASSET_NAMESPACE.erc20, category: adapters.chainIdToCoingeckoAssetPlatform(chainId), explorer/explorerAddressLink/explorerTxLink from \u003cchainname\u003e utils }\n  - NOTE: chains not on CoinGecko will only have the native asset (no ERC20 token list)\n\nFILE 3 (MODIFY): scripts/generateAssetData/generateAssetData.ts\n  - Import: import * as \u003cchainname\u003e from './\u003cchainname\u003e'\n  - Call: const \u003cchainname\u003eAssets = await \u003cchainname\u003e.getAssets()\n  - Spread into unfilteredAssetData: ...\u003cchainname\u003eAssets\n\nCOMMAND: yarn generate:asset-data\n  This regenerates: src/generated/asset-data.json + related-asset-index + manifest + compressed assets\n\n=== DRAFT PR CREATION (final step per chain) ===\n\nAfter all code changes are complete for a chain, open a draft PR using the repo template.\n\nBRANCH NAMING: feat/integrate-\u003cchainname\u003e-relay (e.g. feat/integrate-scroll-relay)\n\nCOMMAND:\n  gh pr create --draft --title 'feat: integrate \u003cChainName\u003e (chainId: \u003cid\u003e) via Relay' --body \"$(cat \u003c\u003c'PREOF'\n  ## Description\n\n  Add \u003cChainName\u003e (chainId: \u003cid\u003e) as a second-class EVM chain in ShapeShift Web with Relay bridge support.\n\n  **Changes:**\n  - Plugin registration in src/plugins/\u003cchainname\u003e/\n  - Feature flag `\u003cChainName\u003e` in preferencesSlice\n  - Relay swapper chain mapping in RelaySwapper/constant.ts\n  - Asset data generation via CoinGecko (`\u003ccoingecko_platform_id\u003e`)\n  - Environment config for RPC URL\n\n  **Chain details:**\n  - TVL: \u003ctvl\u003e\n  - Native token: \u003ctoken\u003e (18 decimals)\n  - Architecture: \u003carch_type\u003e\n  - RPC: \u003crpc_url\u003e\n  - Explorer: \u003cexplorer_url\u003e\n\n  ## Issue (if applicable)\n\n  Part of #11902\n\n  ## Risk\n\n  Low risk — new chain behind feature flag (`\u003cChainName\u003e`), no existing functionality affected.\n\n  \u003e New chain plugin + Relay bridge mapping. No modifications to existing chain logic.\n\n  ## Testing\n\n  ### Engineering\n\n  1. Enable feature flag: set `VITE_FEATURE_\u003cCHAINNAME\u003e=true` in .env\n  2. Verify chain appears in supported chains list\n  3. Verify native token balance loads (connect wallet with \u003ctoken\u003e on \u003cChainName\u003e)\n  4. Verify Relay bridge quote works: bridge ETH from Ethereum → \u003cChainName\u003e\n  5. Run `yarn lint --fix \u0026\u0026 yarn type-check` — must pass\n\n  ### Operations\n\n  - [x] :checkered_flag: My feature is behind a flag and doesn't require operations testing (yet)\n\n  ## Screenshots (if applicable)\n\n  N/A — chain integration, no UI changes.\n  PREOF\n  )\"\n\nNOTE: Replace all \u003cplaceholders\u003e with actual chain values from the bead description/notes.\nNOTE: Use --draft flag to create as draft PR.\nNOTE: Branch off develop (main branch is develop, not main).",
+        "status": "open",
+        "priority": 0,
+        "issue_type": "epic",
+        "owner": "14963751+NeOMakinG@users.noreply.github.com",
+        "created_at": "2026-02-17T10:55:02Z",
+        "created_by": "NeOMakinG",
+        "updated_at": "2026-02-17T11:21:27Z",
+        "external_ref": "gh-11902",
+        "dependency_type": "parent-child"
+      }
+    ],
+    "parent": "ss-dx5"
+  }
+]