Quicknode

The following RPC methods, developed for Quicknode, are available on Ethereum.

Explore more, visit the Quicknode Marketplace today.

expand.network has integrated the following RPC methods on Quicknode Marketplace:

Get Quotes

The user will be able to get quotes of the specified token pair from different Dexs in an aggregated manner.

Sample Request

URL:

https://quicknode.expand.network/dex

Payload:

{
    "method": "en_getQuotes",
    "params": [
        {
            "path": [
                "0x6b175474e89094c44da98b954eedeac495271d0f",
                "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
            ],
            "amountIn": "1000000000000000"
        }
    ]
}

Sample Response

{
    "id": 1,
    "result": {
        "message": "success",
        "method": "en_getQuotes",
        "result": [
            {
                "dexId": "1300",
                "dexName": "UniswapV3",
                "value": "999"
            },
            {
                "dexId": "1500",
                "dexName": "CurveV2",
                "value": "999"
            },
            {
                "dexId": "1000",
                "dexName": "UniswapV2",
                "value": "997"
            },
            {
                "dexId": "1100",
                "dexName": "SushiswapV2",
                "value": "996"
            }
        ]
    },
    "jsonrpc": "2.0"
}

Get User Liquidity

The user will be able to get the balance of a particular token pair of an account.

Sample Request

URL:

https://quicknode.expand.network/dex

Payload:

{
    "method": "en_getUserLiquidity",
    "params": [
        {
            "tokenA": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
            "tokenB": "0x6b175474e89094c44da98b954eedeac495271d0f",
            "address": "0x6fb447ae94f5180254d436a693907a1f57696900"
        }
    ]
}

Sample Response

{
    "id": 1,
    "result": {
        "message": "success",
        "method": "en_getUserLiquidity",
        "result": {
            "pairAddress": "0xA478c2975Ab1Ea89e8196811F51A7B7Ade33eB11",
            "liquidity": "2370404879481514",
            "tokenA": "109641696331105.2",
            "tokenB": "173027102912280350"
        }
    },
    "jsonrpc": "2.0"
}

Get Pool Liquidity

The user will be able to get the individual token liquidity within the specified liquidity pool.

Sample Request

URL:

https://quicknode.expand.network/dex

Payload:

{
    "method": "en_getPoolLiquidity",
    "params": [
        {
            "poolAddress": "0x0d4a11d5eeaac28ec3f61d100daf4d40471f1852"
        }
    ]
}

Sample Response

{
    "id": 1,
    "result": {
        "message": "success",
        "method": "en_getPoolLiquidity",
        "result": {
            "totalLiquidity": "367337363162120717"
        }
    },
    "jsonrpc": "2.0"
}

Swap

The user will be able to swap tokens on different Dex.

Note: If the 'bestSwap' field is set to true, the prepared transaction will offer the optimal route for the swap.

Conversely, if the 'bestSwap' field is set to false, the prepared transaction will be sourced from multiple decentralized exchanges (DEXs), contingent on the availability of liquidity pools.

Sample Request

URL:

https://quicknode.expand.network/dex

Payload:

{
    "method": "en_swap",
    "params": [
        {
            "path": [
                "0x6b175474e89094c44da98b954eedeac495271d0f",
                "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
            ],
            "amountIn": "1000000000000000",
            "to": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
            "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
            "gas": "230000",
            "maxSlippage": "3",
            "bestSwap": true             
        }
    ]
}

Sample Response

//----------------------If bestSwap is true----------------------
{
    "id": 1,
    "result": {
        "message": "success",
        "method": "en_swap",
        "result": {
            "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
            "to": "0x68b3465833fb72a70ecdf485e0e4c7bd8665fc45",
            "value": "0",
            "gas": "230000",
            "data": "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"
        }
    },
    "jsonrpc": "2.0"
}

//----------------------If bestSwap is false----------------------
{
    "id": 1,
    "result": {
        "message": "success",
        "method": "en_swap",
        "result": {
            "UniswapV2": {
                "from": "0xfFb4264A596751a580F046193f43064839052d6c",
                "to": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
                "value": "0",
                "gas": "990000",
                "data": "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"
            },
            "UniswapV3": {
                "from": "0xfFb4264A596751a580F046193f43064839052d6c",
                "to": "0x68b3465833fb72a70ecdf485e0e4c7bd8665fc45",
                "value": "0",
                "gas": "990000",
                "data": "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"
            },
            "SushiswapV2": {
                "from": "0xfFb4264A596751a580F046193f43064839052d6c",
                "to": "0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F",
                "value": "0",
                "gas": "990000",
                "data": "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"
            }
        }
    },
    "jsonrpc": "2.0"
}

Add Liquidity

The user will be able to add liquidity on different Dex.

Sample Request

URL:

https://quicknode.expand.network/dex

Payload:

{
    "method": "en_addLiquidity",
    "params": [
        {
            "dexId": "1400",
            "amountIn": [
                "1000000000000000000",
                "1000000000000000000"
            ],
            "amountOut": "0",
            "path": [
                "0x6B175474E89094C44Da98b954EedeAC495271d0F",
                "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
            ],
            "fromInternalBalance": false,
            "to": "0xfFb4264A596751a580F046193f43064839052d6c",
            "deadline": "1694617738234",
            "from": "0xfFb4264A596751a580F046193f43064839052d6c",
            "gas": "230000"
        }
    ]
}

Sample Response

{
    "id": 1,
    "result": {
        "message": "success",
        "method": "en_addLiquidity",
        "result": {
            "from": "0xfFb4264A596751a580F046193f43064839052d6c",
            "to": "0xBA12222222228d8Ba445958a75a0704d566BF2C8",
            "value": "0",
            "gas": "230000",
            "data": "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"
        }
    },
    "jsonrpc": "2.0"
}

Remove Liquidity

The user will be able to remove liquidity on different Dex.

Sample Request

URL:

https://quicknode.expand.network/dex

Payload:

{
    "method": "en_removeLiquidity",
    "params": [
        {
            "dexId": "1400",
            "amountOut": [
                "91",
                "91"
            ],
            "path": [
                "0x6B175474E89094C44Da98b954EedeAC495271d0F",
                "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
            ],
            "amountIn": "147692016912345470",
            "toInternalBalance": false,
            "to": "0xfFb4264A596751a580F046193f43064839052d6c",
            "from": "0xfFb4264A596751a580F046193f43064839052d6c",
            "gas": "230000"
        }
    ]
}

Sample Response

{
    "id": 1,
    "result": {
        "message": "success",
        "method": "en_removeLiquidity",
        "result": {
            "from": "0xfFb4264A596751a580F046193f43064839052d6c",
            "to": "0xBA12222222228d8Ba445958a75a0704d566BF2C8",
            "value": "0",
            "gas": "230000",
            "data": "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"
        }
    },
    "jsonrpc": "2.0"
}