@ledgerhq/coin-near/lib-es/synchronisation.js

Near Coin integration

import { encodeAccountId } from "@ledgerhq/coin-framework/account/accountId";
import { makeSync, mergeOps } from "@ledgerhq/coin-framework/bridge/jsHelpers";
import { getAccount, getOperations } from "./api";
export const getAccountShape = async (info) => {
    const { address, initialAccount, currency, derivationMode } = info;
    const oldOperations = initialAccount?.operations || [];
    const accountId = encodeAccountId({
        type: "js",
        version: "2",
        currencyId: currency.id,
        xpubOrAddress: address,
        derivationMode,
    });
    const { blockHeight, balance, spendableBalance, nearResources } = await getAccount(address);
    const newOperations = await getOperations(accountId, address);
    const operations = mergeOps(oldOperations, newOperations);
    const shape = {
        id: accountId,
        balance,
        spendableBalance,
        operationsCount: operations.length,
        blockHeight,
        nearResources,
    };
    return { ...shape, operations };
};
const postSync = (initial, synced) => {
    const pendingOperations = initial.pendingOperations || [];
    if (pendingOperations.length === 0) {
        return synced;
    }
    const { operations } = synced;
    synced.pendingOperations = pendingOperations.filter(po => !operations.some(o => o.hash === po.hash));
    return synced;
};
export const sync = makeSync({ getAccountShape, postSync });
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