gdex: monkey: Add a gamble monkey (#12)

2 files changed, 379 insertions, 2 deletions

diff --git a/cmd/monkey/gambler.go b/cmd/monkey/gambler.go
new file mode 100644
index 000000000..d4f4239cc
--- /dev/null
+++ b/cmd/monkey/gambler.go
@@ -0,0 +1,266 @@
+// Copyright 2018 The dexon-consensus Authors
+// This file is part of the dexon-consensus library.
+//
+// The dexon-consensus library is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Lesser General Public License as
+// published by the Free Software Foundation, either version 3 of the License,
+// or (at your option) any later version.
+//
+// The dexon-consensus library is distributed in the hope that it will be
+// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+// General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the dexon-consensus library. If not, see
+// <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"fmt"
+	"math"
+	"math/big"
+	"strings"
+	"time"
+
+	"github.com/dexon-foundation/dexon/accounts/abi"
+)
+
+var betContract = string("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")
+var betConstructor = []string{"62"}
+var betABIJSON = `
+[
+    {
+      "constant": false,
+      "inputs": [],
+      "name": "renounceOwnership",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "owner",
+      "outputs": [
+        {
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "isOwner",
+      "outputs": [
+        {
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [
+        {
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "name": "payout",
+      "outputs": [
+        {
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        {
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "transferOwnership",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [],
+      "name": "expectation",
+      "outputs": [
+        {
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "name": "_expectation",
+          "type": "uint256"
+        }
+      ],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "name": "_addr",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "name": "_target",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "name": "_value",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "name": "_pay",
+          "type": "uint256"
+        }
+      ],
+      "name": "Bet",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferred",
+      "type": "event"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        {
+          "name": "_expectation",
+          "type": "uint256"
+        }
+      ],
+      "name": "updateExpectation",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        {
+          "name": "_target",
+          "type": "uint256"
+        }
+      ],
+      "name": "bet",
+      "outputs": [],
+      "payable": true,
+      "stateMutability": "payable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [
+        {
+          "name": "_amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "claim",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "constant": false,
+      "inputs": [],
+      "name": "donate",
+      "outputs": [],
+      "payable": true,
+      "stateMutability": "payable",
+      "type": "function"
+    }
+  ]
+`
+var betABI abi.ABI
+
+var oneDEX *big.Int
+
+func init() {
+	oneDEX = new(big.Int).Exp(big.NewInt(10), big.NewInt(19), nil)
+	var err error
+	betABI, err = abi.JSON(strings.NewReader(betABIJSON))
+	if err != nil {
+		panic(err)
+	}
+}
+
+func (m *Monkey) Gamble() {
+	fmt.Println("Deploying contract ...")
+	contract := m.deploy(m.source, betContract, betConstructor, new(big.Int), math.MaxUint64)
+	fmt.Println("  Contract deployed: ", contract.String())
+	fmt.Println("Donating ...")
+	input, err := betABI.Pack("donate")
+	if err != nil {
+		panic(err)
+	}
+	m.call(m.source, contract, input, new(big.Int).Set(oneDEX), 0, math.MaxUint64)
+
+	time.Sleep(5 * time.Second)
+
+	input, err = betABI.Pack("bet", big.NewInt(50))
+	if err != nil {
+		panic(err)
+	}
+
+	nonce := uint64(0)
+	for {
+		fmt.Println("nonce", nonce)
+		for _, key := range m.keys {
+			m.call(key, contract, input, big.NewInt(100000), uint64(32740), nonce)
+		}
+		nonce += 1
+		time.Sleep(500 * time.Millisecond)
+	}
+}
diff --git a/cmd/monkey/monkey.go b/cmd/monkey/monkey.go
index 8655b99e8..166ea2d90 100644
--- a/cmd/monkey/monkey.go
+++ b/cmd/monkey/monkey.go
@@ -29,6 +29,7 @@ import (
 	"math/rand"
 	"time"
 
+	dexon "github.com/dexon-foundation/dexon"
 	"github.com/dexon-foundation/dexon/common"
 	"github.com/dexon-foundation/dexon/core/types"
 	"github.com/dexon-foundation/dexon/crypto"
@@ -38,6 +39,7 @@ import (
 var key = flag.String("key", "", "private key path")
 var endpoint = flag.String("endpoint", "http://127.0.0.1:8545", "JSON RPC endpoint")
 var n = flag.Int("n", 100, "number of random accounts")
+var gambler = flag.Bool("gambler", false, "make this monkey a gambler")
 
 type Monkey struct {
 	client    *ethclient.Client
@@ -109,6 +111,111 @@ func (m *Monkey) transfer(
 	}
 }
 
+func (m *Monkey) deploy(
+	key *ecdsa.PrivateKey, code string, ctors []string, amount *big.Int, nonce uint64) common.Address {
+
+	if nonce == math.MaxUint64 {
+		var err error
+		address := crypto.PubkeyToAddress(key.PublicKey)
+		nonce, err = m.client.PendingNonceAt(context.Background(), address)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	var input string
+	for _, ctor := range ctors {
+		input += fmt.Sprintf("%064s", ctor)
+	}
+	data := common.Hex2Bytes(code + input)
+
+	gas, err := m.client.EstimateGas(context.Background(), dexon.CallMsg{
+		Data: data,
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	tx := types.NewContractCreation(
+		uint64(nonce),
+		amount,
+		gas,
+		big.NewInt(1e9),
+		data)
+
+	signer := types.NewEIP155Signer(m.networkID)
+	tx, err = types.SignTx(tx, signer, key)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println("Sending TX", "fullhash", tx.Hash().String())
+
+	err = m.client.SendTransaction(context.Background(), tx)
+	if err != nil {
+		panic(err)
+	}
+
+	for {
+		time.Sleep(500 * time.Millisecond)
+		recp, err := m.client.TransactionReceipt(context.Background(), tx.Hash())
+		if err != nil {
+			if err == dexon.NotFound {
+				continue
+			}
+			panic(err)
+		}
+		return recp.ContractAddress
+	}
+}
+
+func (m *Monkey) call(
+	key *ecdsa.PrivateKey, contract common.Address, input []byte, amount *big.Int, gas uint64, nonce uint64) {
+
+	address := crypto.PubkeyToAddress(key.PublicKey)
+	if nonce == math.MaxUint64 {
+		var err error
+		nonce, err = m.client.PendingNonceAt(context.Background(), address)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	if gas == uint64(0) {
+		var err error
+		gas, err = m.client.EstimateGas(context.Background(), dexon.CallMsg{
+			From:  address,
+			To:    &contract,
+			Value: amount,
+			Data:  input,
+		})
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	tx := types.NewTransaction(
+		uint64(nonce),
+		contract,
+		amount,
+		gas,
+		big.NewInt(1e9),
+		input)
+
+	signer := types.NewEIP155Signer(m.networkID)
+	tx, err := types.SignTx(tx, signer, key)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println("Sending TX", "fullhash", tx.Hash().String())
+
+	err = m.client.SendTransaction(context.Background(), tx)
+	if err != nil {
+		panic(err)
+	}
+}
+
 func (m *Monkey) Distribute() {
 	fmt.Println("Distributing DEX to random accounts ...")
 	address := crypto.PubkeyToAddress(m.source.PublicKey)
@@ -124,7 +231,7 @@ func (m *Monkey) Distribute() {
 		m.transfer(m.source, address, amount, nonce)
 		nonce += 1
 	}
-	time.Sleep(60 * time.Second)
+	time.Sleep(20 * time.Second)
 }
 
 func (m *Monkey) Crazy() {
@@ -151,5 +258,9 @@ func main() {
 
 	m := New(*endpoint, privKey, *n)
 	m.Distribute()
-	m.Crazy()
+	if *gambler {
+		m.Gamble()
+	} else {
+		m.Crazy()
+	}
 }