@sky-mavis/smart-order-router
Version:
Ronin Swap Smart Order Router
33 lines • 3.52 kB
JavaScript
import { SWAP_ROUTER_02_ADDRESSES } from '@sky-mavis/katana-core';
import { SwapRouter02__factory } from '../types/other/factories/SwapRouter02__factory';
import { log } from '../util';
export class SwapRouterProvider {
constructor(multicall2Provider, chainId) {
this.multicall2Provider = multicall2Provider;
this.chainId = chainId;
}
async getApprovalType(tokenInAmount, tokenOutAmount) {
var _a, _b;
const functionParams = [
[tokenInAmount.currency.wrapped.address, tokenInAmount.quotient.toString()],
[tokenOutAmount.currency.wrapped.address, tokenOutAmount.quotient.toString()],
];
const tx = await this.multicall2Provider.callSameFunctionOnContractWithMultipleParams({
address: SWAP_ROUTER_02_ADDRESSES(this.chainId),
contractInterface: SwapRouter02__factory.createInterface(),
functionName: 'getApprovalType',
functionParams,
});
if (!((_a = tx.results[0]) === null || _a === void 0 ? void 0 : _a.success) || !((_b = tx.results[1]) === null || _b === void 0 ? void 0 : _b.success)) {
log.info({ results: tx.results }, 'Failed to get approval type from swap router for token in or token out');
throw new Error('Failed to get approval type from swap router for token in or token out');
}
const { result: approvalTokenIn } = tx.results[0];
const { result: approvalTokenOut } = tx.results[1];
return {
approvalTokenIn: approvalTokenIn[0],
approvalTokenOut: approvalTokenOut[0],
};
}
}
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