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minor fixes

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This commit is contained in:
lomonoshka
2023-08-07 10:30:52 +03:00
parent e9d908445d
commit e205ebeb97
1 changed files with 12 additions and 8 deletions
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20
src/Unit/Exchange/generateSwapCalldata.ts
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@@ -6,6 +6,8 @@ import { safeGet, SafeArray } from '../../utils/safeGetters.js';
import type Unit from '../index.js';
import { simpleFetch } from 'simple-typed-fetch';
const EXECUTOR_SWAP_FUNCTION = "func_70LYiww"
export type Factory = "UniswapV2" | "UniswapV3" | "Curve" | "OrionV2" | "OrionV3"
export type SwapInfo = {
@@ -26,7 +28,7 @@ export type GenerateSwapCalldataParams = {
amount: string,
minReturnAmount: string,
receiverAddress: string,
path: SafeArray<SwapInfo>,
path: ArrayLike<SwapInfo>,
unit: Unit
}
@@ -34,13 +36,14 @@ export default async function generateSwapCalldata({
amount,
minReturnAmount,
receiverAddress,
path,
path: path_,
unit
}: GenerateSwapCalldataParams
): Promise<{ calldata: string, swapDescription: ExchangeWithGenericSwap.SwapDescriptionStruct }> {
const wethAddress = safeGet(unit.contracts, "WETH")
const curveRegistryAddress = safeGet(unit.contracts, "curveRegistry")
const { exchangeContractAddress, swapExecutorContractAddress } = await simpleFetch(unit.blockchainService.getInfo)();
const path = SafeArray.from(path_)
if (path == undefined || path.length == 0) {
throw new Error(`Empty path`);
@@ -245,28 +248,29 @@ async function generateCurveStableSwapCalls(
return generateCalls(calls)
}
// Adds additional byte to single swap with settings
function addCallParams(
calldata: BytesLike,
callParams?: CallParams
) {
let firstByte = 0
if (callParams) {
if (callParams.value !== undefined) {
firstByte += 16
if (callParams.value !== undefined) {
firstByte += 16 // 00000010
const encodedValue = ethers.utils.solidityPack(["uint128"], [callParams.value])
calldata = ethers.utils.hexlify(ethers.utils.concat([encodedValue, calldata]))
}
if (callParams.target !== undefined) {
firstByte += 32
firstByte += 32 // 00000100
const encodedAddress = ethers.utils.solidityPack(["address"], [callParams.target])
calldata = ethers.utils.hexlify(ethers.utils.concat([encodedAddress, calldata]))
}
if (callParams.gaslimit !== undefined) {
firstByte += 64
firstByte += 64 // 00000100
const encodedGaslimit = ethers.utils.solidityPack(["uint32"], [callParams.gaslimit])
calldata = ethers.utils.hexlify(ethers.utils.concat([encodedGaslimit, calldata]))
}
if (callParams.isMandatory !== undefined) firstByte += 128
if (callParams.isMandatory !== undefined) firstByte += 128 // 00001000
}
const encodedFirstByte = ethers.utils.solidityPack(["uint8"], [firstByte])
@@ -277,5 +281,5 @@ function addCallParams(
async function generateCalls(calls: BytesLike[]) {
const executorInterface = SwapExecutor__factory.createInterface()
return "0x" + executorInterface.encodeFunctionData("func_70LYiww", [ethers.constants.AddressZero, calls]).slice(74)
return "0x" + executorInterface.encodeFunctionData(EXECUTOR_SWAP_FUNCTION, [ethers.constants.AddressZero, calls]).slice(74)
}