{
    "Function": "getBookFromPair",
    "File": "contracts/RubiconRouter.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "RubiconMarket",
        "RubiconMarket",
        "RubiconMarket",
        "RubiconMarket",
        "RubiconMarket",
        "RubiconMarket",
        "RubiconMarket",
        "RubiconMarket"
    ],
    "Internal Calls": [],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function getBookFromPair(\n        ERC20 asset,\n        ERC20 quote,\n        uint256 topNOrders\n    )\n        public\n        view\n        returns (\n            uint256[3][] memory,\n            uint256[3][] memory,\n            uint256\n        )\n    {\n        uint256[3][] memory asks = new uint256[3][](topNOrders);\n        uint256[3][] memory bids = new uint256[3][](topNOrders);\n        address _RubiconMarketAddress = RubiconMarketAddress;\n\n        //1. Get best offer for each asset\n        uint256 bestAskID = RubiconMarket(_RubiconMarketAddress).getBestOffer(\n            asset,\n            quote\n        );\n        uint256 bestBidID = RubiconMarket(_RubiconMarketAddress).getBestOffer(\n            quote,\n            asset\n        );\n\n        uint256 lastBid = 0;\n        uint256 lastAsk = 0;\n        //2. Iterate from that offer down the book until topNOrders\n        for (uint256 index = 0; index < topNOrders; index++) {\n            if (index == 0) {\n                lastAsk = bestAskID;\n                lastBid = bestBidID;\n\n                (\n                    uint256 _ask_pay_amt,\n                    ,\n                    uint256 _ask_buy_amt,\n\n                ) = RubiconMarket(_RubiconMarketAddress).getOffer(bestAskID);\n                (\n                    uint256 _bid_pay_amt,\n                    ,\n                    uint256 _bid_buy_amt,\n\n                ) = RubiconMarket(_RubiconMarketAddress).getOffer(bestBidID);\n                asks[index] = [_ask_pay_amt, _ask_buy_amt, bestAskID];\n                bids[index] = [_bid_pay_amt, _bid_buy_amt, bestBidID];\n                continue;\n            }\n            uint256 nextBestAsk = RubiconMarket(_RubiconMarketAddress)\n            .getWorseOffer(lastAsk);\n            uint256 nextBestBid = RubiconMarket(_RubiconMarketAddress)\n            .getWorseOffer(lastBid);\n            (uint256 ask_pay_amt, , uint256 ask_buy_amt, ) = RubiconMarket(\n                _RubiconMarketAddress\n            ).getOffer(nextBestAsk);\n            (uint256 bid_pay_amt, , uint256 bid_buy_amt, ) = RubiconMarket(\n                _RubiconMarketAddress\n            ).getOffer(nextBestBid);\n\n            asks[index] = [ask_pay_amt, ask_buy_amt, nextBestAsk];\n            bids[index] = [bid_pay_amt, bid_buy_amt, nextBestBid];\n            // bids[index] = nextBestBid;\n            lastBid = nextBestBid;\n            lastAsk = nextBestAsk;\n        }\n\n        //3. Return those topNOrders for either side of the order book\n        return (asks, bids, topNOrders);\n    }"
}