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Change final transfer location. Add wrap/unwrap functionality

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lomonoshka
2023-10-30 19:54:47 +04:00
parent b3ed38890c
commit cdc3a78eb9
7 changed files with 213 additions and 178 deletions
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52
src/Unit/Exchange/callGenerators/curve.ts
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@@ -1,28 +1,44 @@
import { SwapExecutor__factory, CurveRegistry__factory } from "@orionprotocol/contracts/lib/ethers-v6/index.js"
import type { BigNumberish, JsonRpcProvider } from "ethers"
import { addCallParams } from "./utils.js"
import type { SingleSwap } from "../../../types.js"
import {
SwapExecutor__factory,
CurveRegistry__factory,
ERC20__factory,
} from "@orionprotocol/contracts/lib/ethers-v6/index.js";
import { MaxUint256, type BigNumberish, type JsonRpcProvider } from "ethers";
import { addCallParams } from "./utils.js";
import type { SingleSwap } from "../../../types.js";
import { generateApproveCall } from "./erc20.js";
import type { BytesLike } from "ethers";
export async function generateCurveStableSwapCall(
amount: BigNumberish,
to: string,
swap: SingleSwap,
provider: JsonRpcProvider,
swapExecutorContractAddress: string,
curveRegistry: string
) {
const executorInterface = SwapExecutor__factory.createInterface()
const registry = CurveRegistry__factory.connect(curveRegistry, provider)
const { pool, assetIn, assetOut } = swap
const [i, j,] = await registry.get_coin_indices(pool, assetIn, assetOut)
const executorInterface = SwapExecutor__factory.createInterface();
const registry = CurveRegistry__factory.connect(curveRegistry, provider);
const { pool, assetIn, assetOut } = swap;
const firstToken = ERC20__factory.connect(assetIn, provider)
const executorAllowance = await firstToken.allowance(swapExecutorContractAddress, pool)
let calldata = executorInterface.encodeFunctionData('curveSwapStableAmountIn', [
pool,
assetOut,
i,
j,
to,
amount,
])
const calls: BytesLike[] = []
if (executorAllowance <= BigInt(amount)) {
const approveCall = await generateApproveCall(
assetIn,
pool,
MaxUint256
);
calls.push(approveCall);
}
return addCallParams(calldata)
}
const [i, j] = await registry.get_coin_indices(pool, assetIn, assetOut);
let calldata = executorInterface.encodeFunctionData(
"curveSwapStableAmountIn",
[pool, assetOut, i, j, to, amount]
);
calls.push(addCallParams(calldata))
return calls
}