@ledgerhq/coin-algorand/src/speculos-deviceActions.ts

Ledger Algorand Coin integration

import {
  deviceActionFlow,
  formatDeviceAmount,
  SpeculosButton,
} from "@ledgerhq/coin-framework/bot/specs";
import type { DeviceAction } from "@ledgerhq/coin-framework/bot/types";
import { findTokenById } from "@ledgerhq/cryptoassets/index";
import { displayTokenValue } from "./deviceTransactionConfig";
import { addPrefixToken, extractTokenId } from "./tokens";
import type { AlgorandTransaction } from "./types";

export const acceptTransaction: DeviceAction<AlgorandTransaction, any> = deviceActionFlow({
  steps: [
    {
      title: "Txn Type",
      button: SpeculosButton.RIGHT,
      expectedValue: ({ transaction }) => (transaction.subAccountId ? "Asset xfer" : "Payment"),
    },
    {
      title: "Asset xfer",
      button: SpeculosButton.RIGHT,
    },
    {
      title: "Payment",
      button: SpeculosButton.RIGHT,
    },
    {
      title: "Fee",
      button: SpeculosButton.RIGHT,
      expectedValue: ({ account, status }) =>
        formatDeviceAmount(account.currency, status.estimatedFees),
    },
    {
      title: "Asset ID",
      button: SpeculosButton.RIGHT,
      expectedValue: ({ transaction }) => {
        const id = transaction.assetId
          ? extractTokenId(transaction.assetId)
          : transaction.subAccountId
            ? extractTokenId(transaction.subAccountId)
            : "";
        const token = findTokenById(addPrefixToken(id));
        // 34 is max character displayable by nano.
        return token ? displayTokenValue(token).substring(0, 34) : `#${id}`;
      },
    },
    {
      title: "Asset amt",
      button: SpeculosButton.RIGHT,
      expectedValue: ({ transaction, status }) =>
        transaction.mode === "optIn" ? "0" : status.amount.toString(),
    },
    {
      title: "Sender",
      button: SpeculosButton.RIGHT,
    },
    {
      title: "Receiver",
      button: SpeculosButton.RIGHT,
      expectedValue: ({ transaction }) => transaction.recipient,
    },
    {
      title: "Asset dst",
      button: SpeculosButton.RIGHT,
      expectedValue: ({ transaction }) => transaction.recipient,
    },
    {
      title: "Amount",
      button: SpeculosButton.RIGHT,
      expectedValue: ({ account, status, transaction }) => {
        switch (transaction.mode) {
          case "claimReward":
            return "0";

          case "optIn": {
            const token = findTokenById(transaction?.assetId || "");
            if (token) {
              return formatDeviceAmount(token, status.amount, {
                forceFloating: token.units[0].magnitude > 0 ? true : false,
              });
            }
            break;
          }
        }
        return formatDeviceAmount(account.currency, status.amount);
      },
    },
    {
      title: "APPROVE",
      button: SpeculosButton.BOTH,
    },
    {
      title: "Sign",
      button: SpeculosButton.BOTH,
    },
    {
      title: "Review",
      button: SpeculosButton.RIGHT,
    },
    {
      title: "Genesis ID",
      button: SpeculosButton.RIGHT,
    }, // Only on testnet
    {
      title: "Genesis hash",
      button: SpeculosButton.RIGHT,
    }, // Only on testnet
  ],
});