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Integrate Conveyor aggregator adapter #246

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2 changes: 1 addition & 1 deletion package.json
Original file line number Diff line number Diff line change
Expand Up @@ -48,4 +48,4 @@
"prettier": "^2.5.1",
"typescript": "4.7.4"
}
}
}
96 changes: 96 additions & 0 deletions src/components/Aggregator/adapters/conveyor.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,96 @@
//Source: https://docs.conveyor.finance/api/

import BigNumber from 'bignumber.js';
import { ethers } from 'ethers';
import { applyArbitrumFees } from '../utils/arbitrumFees';
import { sendTx } from '../utils/sendTx';
import { nativeAddress } from '../constants';

export const name = 'Conveyor';
export const token = null;

const api = 'https://api.conveyor.finance/';

export const chainToId = {
ethereum: 1,
bsc: 56,
polygon: 137,
optimism: 10,
arbitrum: 42161,
base: 8453
};

export async function getQuote(chain: string, from: string, to: string, amount: string, extra) {
const tokenFrom = from === ethers.constants.AddressZero ? nativeAddress : from;
const tokenTo = to === ethers.constants.AddressZero ? nativeAddress : to;
const receiver = extra.userAddress || ethers.constants.AddressZero;
const tokenApprovalAddress = '0xd5eC61bCa0Af24Ad06BE431585A0920142C98890';
let payload = {
tokenIn: tokenFrom,
tokenOut: tokenTo,
tokenInDecimals: extra.fromToken?.decimals,
tokenOutDecimals: extra.toToken?.decimals,
amountIn: amount,
slippage: BigNumber(Number(extra.slippage) * 100).toString(),
chainId: chainToId[chain],
recipient: receiver,
referrer: '0'
};

const resp = await fetch(api, {
method: 'POST',
body: JSON.stringify(payload)
})
.then((r) => r.json())
.then((r) => r.body);
const estimatedGas = resp.tx.gas || 0;

let gas = estimatedGas;
if (chain === 'arbitrum') {
gas = resp.tx.data === null ? null : await applyArbitrumFees(resp.tx.to, resp.tx.data, gas);
}

return {
amountReturned: resp.info.amountOut,
tokenApprovalAddress,
estimatedGas: gas,
rawQuote: {
...resp.tx,
tx: {
data: resp.tx.data,
from: receiver,
value: resp.tx.value,
gasLimit: BigNumber(1.1).times(gas).toFixed(0, 1)
}
},
logo: ''
};
}

export async function swap({ signer, rawQuote, chain }) {
const txObj = {
from: rawQuote.tx.from,
to: rawQuote.to,
data: rawQuote.tx.data,
value: rawQuote.tx.value
};
const tx = await sendTx(signer, chain, {
...txObj,
gasLimit: rawQuote.tx.gasLimit
});
return tx;
}

export const getTxData = ({ rawQuote }) => rawQuote?.tx?.data;

export const getTx = ({ rawQuote }) => {
if (rawQuote === null) {
return {};
}
return {
from: rawQuote.tx.from,
to: rawQuote.tx.to,
data: rawQuote.tx.data,
value: rawQuote.tx.value
};
};
19 changes: 16 additions & 3 deletions src/components/Aggregator/list.ts
Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,11 @@ import * as matcha from './adapters/0x';
import * as inch from './adapters/1inch';
import * as cowswap from './adapters/cowswap';
import * as firebird from './adapters/firebird';
//import * as kyberswap from './adapters/kyberswap';
import * as kyberswap from './adapters/kyberswap';
import * as hashflow from './adapters/hashflow';
import * as openocean from './adapters/openocean';
import * as paraswap from './adapters/paraswap';
import * as conveyor from './adapters/conveyor';
// import * as lifi from './adapters/lifi';
// import * as rango from './adapters/rango';

Expand All @@ -16,9 +17,21 @@ import * as yieldyak from './adapters/yieldyak';
import * as llamazip from './adapters/llamazip';
// import * as krystal from './adapters/krystal'

export const adapters = [matcha, inch, cowswap, openocean, yieldyak, paraswap, firebird, hashflow, llamazip];
export const adapters = [
matcha,
inch,
cowswap,
openocean,
yieldyak,
paraswap,
firebird,
hashflow,
llamazip,
kyberswap,
conveyor
];

export const inifiniteApprovalAllowed = [matcha.name, inch.name, cowswap.name, paraswap.name];
export const inifiniteApprovalAllowed = [matcha.name, inch.name, cowswap.name, paraswap.name, conveyor.name];

export const adaptersWithApiKeys = {
[matcha.name]: true,
Expand Down