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Repositories and Pull Requests — Chain 138 (Forms Submitted, Awaiting Feedback)
Last Updated: 2026-02-28
Purpose: Single reference for all repositories you can add, connect, or submit PRs to for Chain 138 support — including wallets, explorers, on-ramps/off-ramps. Forms have been submitted where applicable; we are awaiting feedback. Use this doc to open or connect PRs when partners respond or when you are ready to contribute.
Status: Forms submitted, awaiting feedback
| Integration | Form / submission | Status |
|---|---|---|
| Ledger Live | Tally form — submitted 2026-02-13 | Awaiting Ledger response; do not start code without signed agreement |
| Trust Wallet | PR to wallet-core (materials ready) | Can open PR anytime; ADD_CHAIN138_TO_TRUST_WALLET |
| Consensys / MetaMask | Outreach (contact form, business@consensys.io) | Awaiting response; no public “add chain” PR repo for Swaps/Bridge |
| CoinGecko / CMC | Submission via platform forms (chain/token listing) | Manual submit when ready; CMC_COINGECKO_SUBMISSION_RUNBOOK |
1. Ledger (form submitted — await response)
Form: https://tally.so/r/mORpv8 (submitted 2026-02-13)
Repositories (for after Ledger confirms):
| Repo | Purpose | PR / connect |
|---|---|---|
| LedgerHQ/ledger-live | Ledger Live desktop/mobile; chain list, RPC, explorer | Add Chain 138 entry per their contribution guide after agreement |
| LedgerHQ/app-ethereum | Device app (chain IDs, signing) | Add chain 138 to network.c / chain list if they request |
| LedgerHQ/wallet-api | Wallet API (Ethereum family, chainId) | Extend for chainId 138 when Ledger specifies |
| bis-innovations/LedgerLive | Your public repo for Ledger team review | Push Chain 138 materials (cryptoassets, config, patches); share with Ledger when they ask for code |
Docs: ADD_CHAIN138_TO_LEDGER_LIVE.md, LEDGER_BLOCKCHAIN_INTEGRATION_COMPLETE.md
Do not open PRs to LedgerHQ repos until Ledger has accepted the request and signed agreement.
2. Trust Wallet (PR when ready)
Repository: https://github.com/trustwallet/wallet-core
| Action | Details |
|---|---|
| Add chain | Add Chain 138 to registry.json (or current registry path); use id, chainId, explorer, info.rpc etc. |
| Codegen | ./tools/new-evmchain dfiometa (use registry id; requires Rust) |
| Tests | Extend derivation tests for Chain 138 |
| PR | Open PR with registry change + generated files + test updates |
Sample PRs: wallet-core #2307, wallet-core #2157
Optional — token/chain logos: https://github.com/trustwallet/assets — submit via assets.trustwallet.com for Chain 138 native tokens.
PR-ready file: docs/04-configuration/pr-ready/trust-wallet-registry-chain138.json — add to registry in wallet-core. See pr-ready/README.md.
Doc: ADD_CHAIN138_TO_TRUST_WALLET.md
3. Chainlist / Ethereum Lists (chain metadata)
Repository: https://github.com/ethereum-lists/chains
PR-ready file: docs/04-configuration/pr-ready/eip155-138.json — copy to _data/chains/eip155-138.json in your fork. See pr-ready/README.md.
Chain 138 may already be listed (see chainlist.org/chain/138). If you need to add or update:
| Action | Details |
|---|---|
| Add/update chain | Add or edit _data/chains/eip155-138.json with name, chainId, rpc, explorers, nativeCurrency, etc. |
| PR | Fork ethereum-lists/chains, add/update file, open PR; follow their CONTRIBUTING.md |
Local spec: pr-workspace/chains/_data/chains/eip155-138.json in this repo (use as source for PR content).
4. Consensys / MetaMask (outreach — no public “add chain” PR)
Contact: https://consensys.io/contact/ , business@consensys.io; MetaMask: https://support.metamask.io , https://developers.metamask.io
Repositories (reference only; Swaps/Bridge/on-ramp are Consensys-controlled):
| Repo | Purpose |
|---|---|
| MetaMask Snaps | Your Snap can already support Chain 138; no PR to “add chain” to native Swaps/Bridge |
| Consensys | Native Swaps, Bridge, Buy/Sell for Chain 138 require partnership/outreach; no public PR repo for “add network” to those products |
Outreach package: metamask-integration/docs/CONSENSYS_OUTREACH_PACKAGE.md — use for email/contact form. Await response before expecting technical PR steps.
5. Price Feed — MetaMask and All Wallets
Master doc: PRICE_FEED_CHAIN138_METAMASK_AND_WALLETS.md — single reference for adding Chain 138 USD prices to MetaMask and wallets.
6. CoinGecko / CoinMarketCap (submission, not PR)
Submission (not GitHub PR):
| Platform | URL / process |
|---|---|
| CoinGecko | https://www.coingecko.com/en/coins/new — chain and token listing request |
| CoinMarketCap | Use CMC listing/submission process (DEX or token form) |
Runbook: CMC_COINGECKO_SUBMISSION_RUNBOOK.md — export from report API (/api/v1/report/coingecko, /api/v1/report/cmc), then submit via platform forms. Chains 138 and 651940 may need to be supported by the platform first.
7. On-ramps and off-ramps (connect / add network)
Most on-ramp/off-ramp providers do not accept public PRs to “add a chain”; they use partner/API or internal chain lists. Use this list to request or connect Chain 138.
| Provider | How to add / connect Chain 138 | Repo / link (if any) |
|---|---|---|
| MoonPay | Partner/API; request network support | https://www.moonpay.com/contact — no public chain-list PR repo |
| Ramp Network | Partner integration; request network | https://ramp.network/ — developer/partner contact |
| Transak | Partner; add network via dashboard or partner API | https://transak.com/ — partner/listing request |
| Onramper | API; check if they support custom RPC/chainId | https://onramper.com/ |
| Banxa | Partner integration | https://banxa.com/ |
| Coinbase Pay / Onramp | Partner; add supported networks via Coinbase | https://docs.cdp.coinbase.com/ |
| MetaMask Buy (Consensys) | Covered by Consensys outreach above | Same as §4 |
Current path (no native 138): Users buy on a supported chain (e.g. mainnet) via ramp → then bridge to Chain 138. Off-ramp: bridge 138→mainnet → sell on mainnet. See MAINNET_LIQUIDITY_AND_RAMPS_PRIORITY.md, MAINNET_RAMP_USER_FLOWS.md.
Ramp API in repo: metamask-integration/src/ramps/ — POST /ramps/on-ramp/session, POST /ramps/off-ramp/session; set API keys (MOONPAY_API_KEY, RAMP_NETWORK_API_KEY, etc.) in .env.
8. Summary — what you can do now
| Item | Action |
|---|---|
| Ledger | Wait for response; then use LedgerHQ repos + bis-innovations/LedgerLive as instructed |
| Trust Wallet | Open PR to trustwallet/wallet-core with registry + codegen + tests |
| Chainlist | If 138 missing or outdated, open PR to ethereum-lists/chains with eip155-138.json |
| Consensys | Use CONSENSYS_OUTREACH_PACKAGE; await response |
| Price Feed (MetaMask/wallets) | See PRICE_FEED_CHAIN138_METAMASK_AND_WALLETS.md; CoinGecko, CMC, Consensys |
| CoinGecko/CMC | Export from report API; submit via platform forms per runbook |
| On-ramps/off-ramps | Contact each provider (MoonPay, Ramp, Transak, etc.) to request Chain 138; no public PR repos |