bettybao1209/loyal

code structure

1. two sample Nep17-token contracts are placed in CSTToken and KFCToken directory.
2. the main contract is LoyalOrder， which implements the order logic and all the requirements, such as user places an order or cancel order, fulfil order, are performed on chain in a decentralized way.
3. the web service is inplements in the loyal-demo directory. It mainly syncs the blocks and captures the specified logs to persist the data in the db and provides services to users to view their data.

api

mint tokens for users

1. http://localhost:8001/mint?symbol=kfc&account=0x201accefb2e195518663f735212a28ab445f57fb&amount=10000
2. response: transaction hash.

add token pair

To support users to swap tokens, the contract owner should add the corresponding token-pair on the contract first.

1. http://localhost:8001/addTokenPair?symbolA=stb&symbolB=kfc&ratio=1
2. response: transaction hash.

place an order

1. http://localhost:8001/addOrder
2. requese body:

{
    "fromSymbol":"stb",
    "toSymbol":"kfc",
    "userAddress":"0x8d9a3212f25de2461227936882797f69906874c9",
    "amount":40
}

3. response: transaction hash.

cancel the order

1. http://localhost:8001/cancelOrder?address=0x8d9a3212f25de2461227936882797f69906874c9
2. request body:

{
    "fromSymbol":"kfc",
    "toSymbol":"stb",
    "orderId":1
}

3. response: transaction hash.

get the order

1. http://localhost:8001/getOrdersByUser?address=fb575f44ab282a2135f763865195e1b2efcc1a20
2. reponse body:

[
    {
        "orderId": 2,
        "userAddress": "fb575f44ab282a2135f763865195e1b2efcc1a20",
        "fromAssetAddress": "47659e005d5dffebc65f6f0a96749908dda4595a",
        "toAssetAddress": "a0f39735bda53ca206342487a9d09407f8b54244",
        "amount": 40,
        "createTime": 1645181170481,
        "txHash": null,
        "fulfiledAmount": 20,
        "status": 2
    }
]