經過 Ruby 買賣Bitcoin：使用開放交易所OceanOne
上一章介紹了Exincore，你能夠1秒完成資產的市價買賣。若是你想限訂價格買賣，或者買賣一些exincore不支持的資產，你須要OceanOne。git
方案二: 掛單Ocean.One交易所
Ocean.one是基於Mixin Network的去中心化交易所，它性能一流。 你能夠在OceanOne上交易任何資產，只須要將你的幣轉給OceanOne, 將交易信息寫在交易的memo裏，OceanOne會在市場裏列出你的交易需求， 交易成功後，會將目標幣轉入到你的MixinNetwork賬上，它有三大特色與優點：github
- 不須要在OceanOne註冊
- 不須要存幣到交易所
- 支持全部Mixin Network上可以轉帳的資產，全部的ERC20 EOS代幣。
預備知識:
你先須要建立一個機器人, 方法在 教程一.ruby
安裝依賴包
咱們須要依賴 msgpack and mixin-bot ,第四章 已經作過介紹, 你應該先安裝過它了.bash
充幣到 Mixin Network, 並讀出它的餘額.
此處演示用 USDT購買BTC 或者 用BTC購買USDT。交易前，先檢查一下錢包地址。 完整的步驟以下:dom
- 檢查比特幣或USDT的餘額，錢包地址。並記下錢包地址。
- 從第三方交易所或者你的冷錢包中，將幣充到上述錢包地址。
- 再檢查一下幣的餘額，看到賬與否。(比特幣的到賬時間是5個區塊的高度，約100分鐘)。
比特幣與USDT的充值地址是同樣的。ide
if cmd == "aw"
assetsInfo = walletAccount.read_assets()
p "--------The Wallet Assets List-----------------"
assetsInfo["data"].each { |x| puts x["symbol"] + " " +
x["balance"] + " " + x["public_key"] +
x["account_name"] + " " + x["account_tag"]}
p "----------End of Wallet Assets --------------"
end
複製代碼
取得Ocean.one的市場價格信息
如何來查詢Ocean.one市場的價格信息呢？你要先了解你交易的基礎幣是什麼，若是你想買比特幣，賣出USDT,那麼基礎貨幣就是USDT;若是你想買USDT,賣出比特幣，那麼基礎貨幣就是比特幣.性能
if ocmd == "1"
Utils.OceanOneMarketPriceRequest(BTC_ASSET_ID, USDT_ASSET_ID)
end
def self.OceanOneMarketPriceRequest(asset_id, base_asset_id)
full_url = "https://events.ocean.one/markets/" + asset_id + "-" + base_asset_id + "/book"
data = HTTP.get(full_url).body
body = ""
redData = data.readpartial
while redData != nil
body = body + redData
redData = data.readpartial
end
result = ActiveSupport::JSON.decode(body).with_indifferent_access
result["data"]["data"]["asks"].each { |x|
puts x["side"] + " " + x["price"] + " " +
x["amount"] + " " + x["funds"]
}
result["data"]["data"]["bids"].each { |x|
puts x["side"] + " " + x["price"] + " " +
x["amount"] + " " + x["funds"]
}
end
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交易前，建立一個Memo!
在第二章裏,Ruby比特幣開發教程: 機器人接受比特幣並當即退還用戶, 咱們學習過轉賬，這兒咱們介紹如何告訴Ocean.one，咱們給它轉賬的目的是什麼，信息所有放在memo裏.學習
- side 方向,"B" 或者 "A", "B"是購買, "A"是出售.
- targetAsset 目標虛擬資產的UUID.
- price 價格，若是操做方向是"B", 價格就是AssetUUID的價格; 若是操做方向是"B", 價格就是轉給Ocean.one幣的價格.
def self.GenerateOceanMemo(targetAsset,side,price)
memo = Base64.encode64(MessagePack.pack({
'A' => UUID.parse(targetAsset).to_raw,
'S' => side,
'P' => price,
'T' => "L"
}))
return memo.sub("\n","")
end
複製代碼
買入BTC的代碼以下：ui
if ocmd == "b1"
p "Input the price of BTC/USDT: "
bprice = gets.chomp
p "Input the amount of USDT: "
amount = gets.chomp
memo = Utils.GenerateOceanMemo(BTC_ASSET_ID,"B",bprice)
p memo
assetsInfo = walletAccount.read_asset(USDT_ASSET_ID)
if assetsInfo["data"]["balance"].to_f >= 1 && assetsInfo["data"]["balance"].to_f >= amount.to_f
transInfo = walletAccount.create_transfer(walletAccount.encrypt_pin(DEFAULT_PIN),
{
asset_id: USDT_ASSET_ID,
opponent_id: OCEANONE_BOT,
amount: amount,
trace_id: SecureRandom.uuid,
memo: memo
})
p transInfo
p "The Order id is " + transInfo["data"]["trace_id"] + " It's needed by cancel-order!"
else
p "Not enough USDT"
end
end
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出售BTC的例子
轉打算出售的XIN給Ocean.one(OCEANONE_BOT),將你打算換回來的目標虛擬資產的UUID放入memo.url
if ocmd == "s1"
p "Input the price of BTC/USDT: "
bprice = gets.chomp
p "Input the amount of BTC: "
amount = gets.chomp
memo = Utils.GenerateOceanMemo(USDT_ASSET_ID,"A",bprice)
p memo
assetsInfo = walletAccount.read_asset(BTC_ASSET_ID)
if assetsInfo["data"]["balance"].to_f > 0 && assetsInfo["data"]["balance"].to_f >= amount.to_f
transInfo = walletAccount.create_transfer(walletAccount.encrypt_pin(DEFAULT_PIN),
{
asset_id: BTC_ASSET_ID,
opponent_id: OCEANONE_BOT,
amount: amount,
trace_id: SecureRandom.uuid,
memo: memo
})
p transInfo
p "The Order id is " + transInfo["data"]["trace_id"] + " It's needed by cancel-order!"
else
p "Not enough BTC"
end
end
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一個成功的掛單以下：
Make your choose(eg: q for Exit!):
b1
"Input the price of BTC/USDT: "
7777
"Input the amount of USDT: "
1
"hKFBxBDG0McoJiRCm44N2dGbZZL6oVOhQqFQpDc3NzehVKFM"
{"data"=>{"type"=>"transfer", "snapshot_id"=>"10178f11-4e05-4076-b7c9-006e95919a1b",
"opponent_id"=>"aaff5bef-42fb-4c9f-90e0-29f69176b7d4", "asset_id"=>"815b0b1a-2764-3736-8faa-42d694fa620a",
"amount"=>"-1", "trace_id"=>"89025aab-598f-43e5-834a-2feaa01797ff",
"memo"=>"hKFBxBDG0McoJiRCm44N2dGbZZL6oVOhQqFQpDc3NzehVKFM", "created_at"=>"2019-05-27T06:53:07.135709255Z", "counter_user_id"=>"aaff5bef-42fb-4c9f-90e0-29f69176b7d4"}}
"The Order id is 89025aab-598f-43e5-834a-2feaa01797ff It's needed by cancel-order!"
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取消掛單
Ocean.one將trace_id當作訂單，好比上面的例子， 89025aab-598f-43e5-834a-2feaa01797ff 就是訂單號，咱們用他來取消訂單。
if ocmd == "c"
p "Input the Order ID: "
orderid = gets.chomp
memo1 = Base64.encode64(MessagePack.pack({
'O' => UUID.parse(orderid).to_raw
}))
memo = memo1.sub("\n","")
assetsInfo = walletAccount.read_asset(CNB_ASSET_ID)
if assetsInfo["data"]["balance"].to_f > 0
transInfo = walletAccount.create_transfer(walletAccount.encrypt_pin(DEFAULT_PIN),
{
asset_id: CNB_ASSET_ID,
opponent_id: OCEANONE_BOT,
amount: "0.00000001",
trace_id: SecureRandom.uuid,
memo: memo
})
p transInfo
else
p "Not enough CNB!"
end
end
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經過讀取資產餘額，來確認到賬狀況
if cmd == "aw"
assetsInfo = walletAccount.read_assets()
p "--------The Wallet Assets List-----------------"
assetsInfo["data"].each { |x| puts x["symbol"] + " " +
x["balance"] + " " + x["public_key"] +
x["account_name"] + " " + x["account_tag"]}
p "----------End of Wallet Assets --------------"
end
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源代碼執行
編譯執行，便可開始交易了.
源代碼執行
編譯執行，便可開始交易了.
- ruby bitcoin-wallet-ruby.rb 運行.
本代碼執行時的命令列表:
- 1: Fetch BTC/USDT Order Book
- 2: Fetch XIN/USDT Order Book
- 3: Fetch ERC20/USDT Order Book
- s1: Sell BTC/USDT
- b1: Buy BTC/USDT
- s2: Sell XIN/USDT
- b2: Buy XIN/USDT
- s3: Sell ERC20/USDT
- s3: Buy ERC20/USDT
- c: Cancel the order
- q: Exit Make your choose(eg: q for Exit!):
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