pando-server

README

Pando Server

Build

# build binary
make build-server

# build docker image
make pando/server

config.yaml

db:
  dialect: mysql
  host: db
  port: 3306
  user: root
  password: pando
  database: pando_1

# node_1
dapp:
  client_id:
  client_secret:
  session_id:
  pin_token:
  private_key:

group:
  public_key: WPvGlI32LKWeP+kpKZ/VZIEX5/cDAcXGlGmfolp6paE=
  members:
    - 670e1faa-2975-48d9-a81f-cd0905ae847e
    - 229fc7ac-9d09-4a6a-af5a-78f7439dce76
    - 8017d200-7870-4b82-b53f-74bae1d2dad7
    - 170e40f0-627f-4af2-acf5-0f25c009e523
    - dfa655ef-55db-4e18-bdd7-29a7c576a223
  threshold: 3

Deploy

Run Binary

./pando-server --config config.yaml

API

Swagger

GET /swagger

swagger ui

Login

POST /api/login

Params:

{
  "code": "mixin oauth code"
}

Response:

{
   "ts": 1614858782118,
   "data": {
      "avatar": "https://mixin-images.zeromesh.net/Fh-jsEMf7KYyjyhtUoEpVjMUhIT2cZPIGqfDxtHNxNoG-2ruJYFtAJoeqexkKBn8AlptnUSZW-eKTWF6KRbo9K7J=s256",
      "id": "8017d200-7870-4b82-b53f-74bae1d2dad7",
      "name": "yiplee@fox",
      "scope": "PROFILE:READ ASSETS:READ SNAPSHOTS:READ",
      "token": "eyJhbGciOiJSUzUxMiIsInR5cCI6IkpXVCJ9.eyJhaWQiOiI5YzMzNjhkNy02NjAzLTQ0ODQtYWQ5ZC1jMmUyNWFhYWZkMjIiLCJleHAiOjE2NDYzOTQ3ODEsImlhdCI6MTYxNDg1ODc4MSwiaXNzIjoiNjcwZTFmYWEtMjk3NS00OGQ5LWE4MWYtY2QwOTA1YWU4NDdlIiwic2NwIjoiUFJPRklMRTpSRUFEIEFTU0VUUzpSRUFEIFNOQVBTSE9UUzpSRUFEIn0.R15j1h9zPxL-isgIxqaBARHB5GX3caEwTMllidW6DyT8bdtCFK211_RMfGQ_fp8eFHTGCiTRTBeEhObhdQarN9rTv0qinL1Piv4cugWaEvygJofnEkE8q5Gu_5vAPLjbs7j1ghqVAfz2VHKLOE9GDnyqnF0rlGqI3hCSFzyq2tc"
   }
}

List Assets

List All Assets

GET /api/assets

Response:

{
  "ts": 1615273615698,
  "data": {
    "assets": [
      {
        "id": "43d61dcd-e413-450d-80b8-101d5e903357",
        "name": "Ether",
        "symbol": "ETH",
        "logo": "https://mixin-images.zeromesh.net/zVDjOxNTQvVsA8h2B4ZVxuHoCF3DJszufYKWpd9duXUSbSapoZadC7_13cnWBqg0EmwmRcKGbJaUpA8wFfpgZA=s128",
        "chain_id": "43d61dcd-e413-450d-80b8-101d5e903357",
        "chain": {
          "id": "43d61dcd-e413-450d-80b8-101d5e903357",
          "name": "Ether",
          "symbol": "ETH",
          "logo": "https://mixin-images.zeromesh.net/zVDjOxNTQvVsA8h2B4ZVxuHoCF3DJszufYKWpd9duXUSbSapoZadC7_13cnWBqg0EmwmRcKGbJaUpA8wFfpgZA=s128",
          "chain_id": "43d61dcd-e413-450d-80b8-101d5e903357",
          "chain": null,
          "price": "1827.79"
        },
        "price": "1827.79"
      }
    ]
  }
}

Find Asset

GET /api/assets/asset_id

Response:

{
  "ts": 1615273696911,
  "data": {
    "id": "43d61dcd-e413-450d-80b8-101d5e903357",
    "name": "Ether",
    "symbol": "ETH",
    "logo": "https://mixin-images.zeromesh.net/zVDjOxNTQvVsA8h2B4ZVxuHoCF3DJszufYKWpd9duXUSbSapoZadC7_13cnWBqg0EmwmRcKGbJaUpA8wFfpgZA=s128",
    "chain_id": "43d61dcd-e413-450d-80b8-101d5e903357",
    "chain": {
      "id": "43d61dcd-e413-450d-80b8-101d5e903357",
      "name": "Ether",
      "symbol": "ETH",
      "logo": "https://mixin-images.zeromesh.net/zVDjOxNTQvVsA8h2B4ZVxuHoCF3DJszufYKWpd9duXUSbSapoZadC7_13cnWBqg0EmwmRcKGbJaUpA8wFfpgZA=s128",
      "chain_id": "43d61dcd-e413-450d-80b8-101d5e903357",
      "chain": null,
      "price": "1827.79"
    },
    "price": "1827.79"
  }
}

List Oracles

GET /api/oracles

[Oracle]

key	description
asset_id	mixin asset id
hop	price delay (seconds)
current	current price
next	next price, peek at peek_at + hop
peek_at	last update of price

Response:

{
    "data": {
        "oracles": [
            {
                "asset_id": "965e5c6e-434c-3fa9-b780-c50f43cd955c",
                "current": "1",
                "hop": 3600,
                "next": "1",
                "peek_at": "2021-03-09T06:00:00Z"
            },
            {
                "asset_id": "6770a1e5-6086-44d5-b60f-545f9d9e8ffd",
                "current": "5",
                "hop": 3600,
                "next": "5",
                "peek_at": "2021-03-09T06:00:00Z"
            }
        ]
    },
    "ts": 1615272883769
}

Find Oracles

GET /api/oracles/asset_id

Response:

{
    "data": {
        "asset_id": "965e5c6e-434c-3fa9-b780-c50f43cd955c",
        "current": "1",
        "hop": 3600,
        "next": "1",
        "peek_at": "2021-03-09T06:00:00Z"
    },
    "ts": 1615273811937
}

List Collaterals

List All Collaterals

GET /api/cats

[Collateral]

key	description
name	name
gem	collateral asset id
dai	debt asset id
ink	gem total deposited amount
art	total normalised debt
rate	accumulated rates
rho	last update time of rate
debt	total debt
line	max debt in total
dust	minimum debt per vault
mat	liquidation rate
chop	liquidation fee
dunk	liquidation limit per flip
beg	[flip] minimum bid increase
ttl	[flip] bid duration in seconds
tau	[flip] auction length in seconds
live	collateral state

Response:

{
   "ts": 1614857763109,
   "data": {
      "collaterals": [
         {
            "id": "0439b3e4-61a8-3ff4-9d3c-fe223ff55244",
            "created_at": "2021-03-03T08:29:35Z",
            "name": "XIN/CNB",
            "gem": "c94ac88f-4671-3976-b60a-09064f1811e8", // Collateral Asset ID
            "dai": "965e5c6e-434c-3fa9-b780-c50f43cd955c", // Debt Asset ID
            "ink": "1",                                    // Total Deposited
            "art": "120",                                  // Total Normalised Debt
            "rate": "1.0000731854582843",                  // Accumulated Rates
            "rho": "2021-03-04T06:10:53Z",                 // Rate Update Date
            "debt": "120",                                 // Total Debt
            "line": "10001",                               // Max Debt
            "dust": "100",                                 // Minimum Debt Per Vault
            "price": "150",                                // Current Price
            "duty": "1.03",                                // Stability Fee
            "mat": "1.1",                                  // Liquidation Rate
            "chop": "1.13",                                // Liquidation Fee
            "dunk": "5000",                                // Max Liquidation Debt
            "beg": "0.03",                                 // minimum bid increase
            "ttl": 900,                                    // bid duration in seconds
            "tau": 10800,                                  // auction length in seconds
            "live": true                                   // Collateral State
         }
      ]
   }
}

List My Vaults

GET /api/me/vats

[Vault]

key	description
id	vault id
ink	gem deposited amount
art	normalised debt

Response:

{
    "data": {
        "pagination": null,
        "vaults": [
            {
                "art": "100",
                "collateral_id": "f7c1ba17-67b9-34f3-adec-18bf4d63931b",
                "created_at": "2021-03-09T09:06:54Z",
                "id": "a095b205-b78a-3db8-b17b-808005c5d3ba",
                "ink": "30"
            }
        ]
    },
    "ts": 1615280938512
}

Find Vault

GET /api/vats/id

Response:

{
    "data": {
        "art": "100",
        "collateral_id": "f7c1ba17-67b9-34f3-adec-18bf4d63931b",
        "created_at": "2021-03-09T09:06:54Z",
        "id": "a095b205-b78a-3db8-b17b-808005c5d3ba",
        "ink": "30"
    },
    "ts": 1615281132899
}

Get Tx

GET /api/transactions/{follow_id}

Response:

{
  "data": {
    "action": "CatEdit",
    "amount": "1",
    "asset_id": "965e5c6e-434c-3fa9-b780-c50f43cd955c",
    "created_at": "2021-03-09T06:29:21Z",
    "id": "3f973c40-1e6c-5572-b5d5-e55a7117a512",
    "msg": "", // Abort Msg
    "parameters": "[\"f7c1ba17-67b9-34f3-adec-18bf4d63931b\",\"price\",\"5\",\"live\",\"1\"]",
    "status": "OK" // OK/Abort
  },
  "ts": 1615272801003
}

Actions

POST /api/actions

Params:

{
  "user_id": "mixin id",
  "follow_id": "uuid",
  "asset_id": "", // payment asset id
  "amount": "123", // payment amount
  "parameters": ["uuid","xxx"]
}

action	parameters
VatOpen	"bit","31","uuid","{cat_id}","decimal","{debt}"
VatDeposit	"bit","32","uuid","{vat_id}"
VatWithdraw	"bit","33","uuid","{vat_id}","decimal","{ink}"
VatPayback	"bit","34","uuid","{vat_id}"
VatGenerate	"bit","35","uuid","{vat_id}","decimal","{debt}"

Response:

{
    "data": {
      "memo": "xxx",
      "code": "xxxx",
      "core_url": "https://mixin.one/codes/xxxx"
    },
    "ts": 1614858409361
}