@bayswap/sdk/dist/esm/modules/swap.js

SDK for BaySwap smart contract

import { SUI_TYPE_ARG, TransactionBlock, } from '@mysten/sui.js';
export class SwapModule {
    constructor(provider, globalStorage, txBuilderConfig) {
        this._provider = provider;
        this._globalStorage = globalStorage;
        this._txBuilderConfig = txBuilderConfig;
    }
    buildSwapUnsignedTx(type, param) {
        const tx = new TransactionBlock();
        if (param.coinID.length > 1 && param.coinInputType != SUI_TYPE_ARG) {
            tx.mergeCoins(tx.object(param.coinID[0]), param.coinID.slice(1).map((id) => tx.object(id)));
        }
        const targetSplit = param.coinInputType == SUI_TYPE_ARG ? tx.gas : tx.object(param.coinID[0]);
        const [used] = tx.splitCoins(targetSplit, [tx.pure(param.amount)]);
        let funcName = 'swap_from_x_to_y';
        if (param.coinInputType == type.coinY) {
            funcName = 'swap_from_y_to_x';
        }
        tx.moveCall({
            target: `${param.packageObjectId}::entry::${funcName}`,
            typeArguments: [type.coinX, type.coinY, type.curve],
            arguments: [
                tx.object(this._globalStorage),
                used,
                tx.pure(param.coinOutMin),
            ],
        });
        return tx;
    }
}
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