fix(llm,lld): improve Solana scan accounts performances

Author: francois-guerin-ledger

.changeset/ninety-wombats-wonder.md

@@ -0,0 +1,5 @@
+---
+"@ledgerhq/coin-solana": patch
+---
+
+fix(llm,lld): improve Solana scan accounts performances

libs/coin-modules/coin-solana/jest.config.js

@@ -18,4 +18,5 @@ module.exports = {
     ],
   },
   transformIgnorePatterns: [`node_modules/.pnpm/(?!(${transformIncludePatterns.join("|")}))`],
+  modulePathIgnorePatterns: ["__tests__/fixtures"],
 };

libs/coin-modules/coin-solana/package.json

@@ -75,7 +75,9 @@
     "@types/lodash": "^4.14.191",
     "@types/object-hash": "^2.1.0",
     "jest": "^29.7.0",
-    "ts-jest": "^29.1.1"
+    "msw": "2.7.3",
+    "ts-jest": "^29.1.1",
+    "uuid": "11.1.0"
   },
   "scripts": {
     "clean": "rimraf lib lib-es",

libs/coin-modules/coin-solana/src/__tests__/fixtures/helpers.fixture.ts

@@ -0,0 +1,157 @@
+import {
+  AccountInfo,
+  ParsedAccountData,
+  ParsedTransactionMeta,
+  ParsedTransactionWithMeta,
+  PublicKey,
+} from "@solana/web3.js";
+import BigNumber from "bignumber.js";
+import { v4, v5, parse } from "uuid";
+
+const seed = v4();
+
+export function publicKeyOf(str: string) {
+  return new PublicKey(parse(v5(str, seed)));
+}
+
+export function parsedAccountInfo({
+  lamports,
+  owner,
+  program,
+  info,
+  executable,
+  type,
+}: {
+  lamports?: number;
+  program: "stake" | "sysvar" | "spl-token" | "spl-token-2022";
+  owner?: PublicKey;
+  info?: unknown;
+  executable?: boolean;
+  type: "account" | "delegated" | "stakeHistory";
+}): AccountInfo<ParsedAccountData> {
+  return {
+    executable: executable ?? false,
+    owner: owner ?? publicKeyOf("owner"),
+    lamports: lamports ?? 20,
+    data: {
+      program,
+      parsed: { info, type },
+      space: 200,
+    },
+  };
+}
+
+export function parsedStakeInfo({
+  stakingCredit,
+  authorized,
+  delegation,
+}: {
+  stakingCredit: number;
+  authorized: {
+    staker: PublicKey;
+    withdrawer: PublicKey;
+  };
+  delegation: {
+    activationEpoch: string;
+    deactivationEpoch: string;
+    stake: string;
+  };
+}) {
+  return {
+    meta: {
+      rentExemptReserve: new BigNumber(33000),
+      authorized,
+      lockup: {
+        custodian: publicKeyOf(""),
+        epoch: 0,
+        unixTimestamp: 0,
+      },
+    },
+    stake: {
+      creditsObserved: stakingCredit,
+      delegation: { ...delegation, voter: publicKeyOf("voter"), warmupCooldownRate: 0.25 },
+    },
+  };
+}
+
+export function parsedHistoryInfo({
+  minEpoch,
+  history,
+}: {
+  minEpoch: number;
+  history: Array<{ activating: number; deactivating: number; effective: number }>;
+}) {
+  return history.map((entry, index) => ({
+    epoch: minEpoch + index,
+    stakeHistory: {
+      activating: entry.activating,
+      deactivating: entry.deactivating,
+      effective: entry.effective,
+    },
+  }));
+}
+
+export function parsedTokenInfo({
+  state,
+  owner,
+  mint,
+  isNative,
+  amount,
+  decimals,
+}: {
+  state?: "initialized" | "uninitialized" | "frozen";
+  owner?: PublicKey;
+  mint?: PublicKey;
+  isNative?: boolean;
+  amount?: number;
+  decimals?: number;
+}) {
+  const amountOrDefault = amount ?? 2000;
+  const decimalsOrDefault = decimals ?? 3;
+  const uiAmount = amountOrDefault / 10 ** decimalsOrDefault;
+  return {
+    isNative: !!isNative,
+    owner: owner ?? publicKeyOf("owner"),
+    mint: mint ?? publicKeyOf("mint"),
+    state: state ?? "initialized",
+    tokenAmount: {
+      amount: amountOrDefault.toString(),
+      decimals: decimalsOrDefault,
+      uiAmount,
+      uiAmountString: uiAmount.toFixed(decimalsOrDefault),
+    },
+  };
+}
+
+export function parsedTransaction({
+  slot,
+  meta,
+  signature,
+  blockTime,
+}: {
+  slot?: number;
+  meta?: ParsedTransactionMeta;
+  signature: string;
+  blockTime?: Date;
+}): ParsedTransactionWithMeta {
+  return {
+    blockTime: blockTime ? Math.floor(blockTime.getTime() / 1000) : NaN,
+    slot: slot ?? 0,
+    meta: meta ?? null,
+    transaction: {
+      signatures: [signature],
+      message: { accountKeys: [], instructions: [], recentBlockhash: "" },
+    },
+  };
+}
+
+export function epochInfo({ epoch }: { epoch: number }) {
+  return {
+    absoluteSlot: 166598,
+    blockHeight: 166500,
+    epoch,
+    slotIndex: 2790,
+    slotsInEpoch: 8192,
+    transactionCount: 22661093,
+  };
+}