Add full Chain 138 integration: 8 steps, chain spec, app-ethereum config, docs

Co-authored-by: Cursor <cursoragent@cursor.com>

step-06-lld-llm/README.md

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+# Step 6 — LLD & LLM
+
+1. **live-common setup** — Use **setup.chain138.ts** as reference; in `libs/ledger-live-common/src/families/ethereum/setup.ts` (or new family) ensure Defi Oracle Meta Mainnet currency gets the same bridge/resolver as Ethereum with chainId 138.
+2. **Config** — Add **config.chain138.ts** entry to `libs/ledger-live-common/src/bridge/config.ts` so `config_currency_defi_oracle_meta_mainnet` is loaded (status, node.url). Env: `API_DEFI_ORACLE_META_NODE`.
+3. **LLD** — In `live-common-set-supported-currencies.js` add `defi_oracle_meta_mainnet`. Add error keys in `static/i18n/en`.
+4. **LLM** — In `live-common-setup.js` add `defi_oracle_meta_mainnet`. Add error keys in `src/locales/en/common.json`.
+5. **Run:** `pnpm dev:lld` (desktop), `pnpm dev:llm` (mobile).

step-06-lld-llm/config.chain138.ts

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+/**
+ * Step 6 — LLD & LLM: live-common config for Chain 138
+ * Target: ledger-live libs/ledger-live-common/src/bridge/config.ts (or families/ethereum/config)
+ *
+ * Add to the config map so dynamic config (e.g. node URL) can be loaded for defi_oracle_meta_mainnet.
+ */
+
+import type { ConfigInfo } from "@ledgerhq/live-config/LiveConfig";
+import { getEnv } from "@ledgerhq/live-env";
+
+export const defiOracleMetaConfig: Record<string, ConfigInfo> = {
+  config_currency_defi_oracle_meta_mainnet: {
+    type: "object",
+    default: {
+      status: { type: "active" },
+      node: {
+        url: getEnv("API_DEFI_ORACLE_META_NODE") ?? "https://rpc-http-pub.d-bis.org",
+      },
+    },
+  },
+};

step-06-lld-llm/lld-llm-currency-list.txt

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+# Step 6 — Add currency to LLD and LLM supported lists
+# LLD: add "defi_oracle_meta_mainnet" to live-common-set-supported-currencies.js
+# LLM: add "defi_oracle_meta_mainnet" to live-common-setup.js
+# i18n: add error translation keys in static/i18n/en (LLD) and src/locales/en/common.json (LLM)
+
+defi_oracle_meta_mainnet

step-06-lld-llm/setup.chain138.ts

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+/**
+ * Step 6 — LLD & LLM: live-common family setup (snippet for Chain 138)
+ * Target: ledger-live libs/ledger-live-common/src/families/ethereum/setup.ts
+ * (or new family libs/ledger-live-common/src/families/defi_oracle_meta/setup.ts)
+ *
+ * Merge Chain 138 into Ethereum family setup: ensure getCryptoCurrencyById("defi_oracle_meta_mainnet")
+ * (or ethereum with chainId 138 in config) is supported and bridge/resolver use the same signer.
+ *
+ * Example shape (simplified; actual ledger-live uses createBridges, executeWithSigner, etc.):
+ */
+
+/*
+import { getCryptoCurrencyById } from "@ledgerhq/cryptoassets/currencies";
+import Transport from "@ledgerhq/hw-transport";
+import Eth from "@ledgerhq/hw-app-eth";
+import type { Bridge } from "@ledgerhq/types-live";
+import { createResolver, executeWithSigner } from "../../bridge/setup";
+import myCoinResolver from "@ledgerhq/coin-ethereum/signer/index"; // or your coin-module
+
+const createSigner = (transport: Transport) => new Eth(transport);
+
+const currency = getCryptoCurrencyById("defi_oracle_meta_mainnet");
+const getCurrencyConfig = () => getCurrencyConfiguration(currency);
+
+const bridge: Bridge<...> = createBridges(
+  executeWithSigner(createSigner),
+  getCurrencyConfig
+);
+const resolver = createResolver(createSigner, myCoinResolver);
+
+export { bridge, resolver, cliTools };
+*/
+
+export const SETUP_CURRENCY_ID = "defi_oracle_meta_mainnet";
+export const SETUP_SIGNER_CREATOR = "createSigner: (transport) => new Eth(transport)";