@bluefin-exchange/bluefin7k-aggregator-sdk
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37 lines (36 loc) • 1.71 kB
JavaScript
import { BaseContract } from "../base";
import { SUI_CLOCK_OBJECT_ID } from "@mysten/sui/utils";
import { getDefaultSqrtPriceLimit } from "../utils";
import { SuiUtils } from "../../../utils/sui";
export class MagmaContract extends BaseContract {
async swap(tx) {
const [coinX, coinY] = this.swapInfo.pool.allTokens;
const swapXtoY = this.swapInfo.swapXtoY;
const sqrtPriceLimit = getDefaultSqrtPriceLimit(swapXtoY);
const typeArguments = [coinX.address, coinY.address];
const [zeroOut] = tx.moveCall({
target: "0x2::coin::zero",
typeArguments: [swapXtoY ? coinY.address : coinX.address],
});
const amountIn = SuiUtils.getCoinValue(swapXtoY ? coinX.address : coinY.address, this.inputCoinObject, tx);
const config = this.config.magma;
const [receiveA, receiveB] = tx.moveCall({
target: `${config.package}::router::swap`,
typeArguments,
arguments: [
tx.object(config.globalConfig),
tx.object(this.swapInfo.poolId),
swapXtoY ? this.inputCoinObject : zeroOut, // coin A
swapXtoY ? zeroOut : this.inputCoinObject, // coin B
tx.pure.bool(swapXtoY), // a to b or b to a
tx.pure.bool(true), // exact in or out
amountIn, // swap amount
tx.pure.u128(sqrtPriceLimit.toString()), // sqrt price limit
tx.pure.bool(false),
tx.object(SUI_CLOCK_OBJECT_ID),
],
});
SuiUtils.collectDust(tx, this.swapInfo.assetIn, swapXtoY ? receiveA : receiveB);
return swapXtoY ? receiveB : receiveA;
}
}