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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
Sample Response
URL:
https://quicknode.expand.network/dex
Payload:
{
"method": "en_getQuotes",
"params": [
{
"path": [
"0x6b175474e89094c44da98b954eedeac495271d0f",
"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
],
"amountIn": "1000000000000000"
}
]
}
{
"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
Sample Response
URL:
https://quicknode.expand.network/dex
Payload:
{
"method": "en_getUserLiquidity",
"params": [
{
"tokenA": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"tokenB": "0x6b175474e89094c44da98b954eedeac495271d0f",
"address": "0x6fb447ae94f5180254d436a693907a1f57696900"
}
]
}
{
"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
Sample Response
URL:
https://quicknode.expand.network/dex
Payload:
{
"method": "en_getPoolLiquidity",
"params": [
{
"poolAddress": "0x0d4a11d5eeaac28ec3f61d100daf4d40471f1852"
}
]
}
{
"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
Sample Response
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
}
]
}
//----------------------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
Sample Response
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"
}
]
}
{
"id": 1,
"result": {
"message": "success",
"method": "en_addLiquidity",
"result": {
"from": "0xfFb4264A596751a580F046193f43064839052d6c",
"to": "0xBA12222222228d8Ba445958a75a0704d566BF2C8",
"value": "0",
"gas": "230000",
"data": "0xb95cac280b09dea16768f0799065c475be02919503cb2a3500020000000000000000001a000000000000000000000000ffb4264a596751a580f046193f43064839052d6c000000000000000000000000ffb4264a596751a580f046193f43064839052d6c0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000006b175474e89094c44da98b954eedeac495271d0f000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc200000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000de0b6b3a76400000000000000000000000000000000000000000000000000000de0b6b3a764000000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000de0b6b3a76400000000000000000000000000000000000000000000000000000de0b6b3a7640000"
}
},
"jsonrpc": "2.0"
}

Remove Liquidity

The user will be able to remove liquidity on different Dex.
Sample Request
Sample Response
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"
}
]
}
{
"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"
}