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@ledgerhq/wallet-pnl

v0.7.2

Published

Ledger Live wallet-pnl module – per-asset and portfolio Profit & Loss using Average Cost Basis (ACB)

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Links

Git

Maintainers

phenry-ledgerphenry-ledgersergii-shkolinsergii-shkolingbrahm-ledgergbrahm-ledgerthomas.coudraythomas.coudrayldg-github-cildg-github-civbouzonvbouzonledger-releaserledger-releaser

Keywords

Ledger

Readme

wallet-pnl

@ledgerhq/wallet-pnl computes Profit & Loss (PnL) for crypto assets and the overall portfolio inside Ledger Live. It implements the Average Cost Basis (ACB) accounting method to translate on-chain operation history into realised and unrealised gains, percentage returns, and trend indicators.

What it does

  • Classifies every account operation (buy, sell, receive, send, swap, …) into cost-basis events.
  • Maintains a cost basis cache and reconciles it against live on-chain data to keep PnL consistent across syncs.
  • Computes per-asset PnL (computeAssetPnL), asset-group PnL (computeAssetGroupPnL), and portfolio-level PnL (computePortfolioPnL).
  • Calculates percentage return and trend direction for display in the UI.
  • Exposes React hooks for consuming PnL data in components.

Key exports / concepts

  • computeAssetPnL(asset, operations, countervalues) — per-asset realised/unrealised PnL.
  • computeAssetGroupPnL(...) — grouped asset PnL (e.g. all ETH accounts).
  • computePortfolioPnL(accounts, countervalues) — aggregated portfolio view.
  • classifyOperation(op) — maps an operation type to its ACB impact.
  • costBasis / costBasisCache / costBasisReconciliation — core accounting logic.
  • trendFromSign(sign) — up/down/flat indicator.
  • Hooks in hooks/ for React integration.

Usage context

Used by apps/ledger-live-desktop and apps/ledger-live-mobile to power the portfolio PnL view and per-asset detail screens. Depends on @ledgerhq/live-countervalues for fiat conversion and @ledgerhq/types-live for account/operation types.