core: vm: governance: add node info

6 files changed, 149 insertions, 10 deletions

diff --git a/core/blockchain.go b/core/blockchain.go
index 04b154ade..c44d2633a 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -231,6 +231,10 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
 			}
 		}
 	}
+
+	// Set genesis round height mapping.
+	bc.roundHeightMap.Store(0, 0)
+
 	// Take ownership of this particular state
 	go bc.update()
 	return bc, nil
diff --git a/core/gen_genesis_account.go b/core/gen_genesis_account.go
index 1a5653e4b..15393d978 100644
--- a/core/gen_genesis_account.go
+++ b/core/gen_genesis_account.go
@@ -23,6 +23,7 @@ func (g GenesisAccount) MarshalJSON() ([]byte, error) {
 		Nonce      math.HexOrDecimal64         `json:"nonce,omitempty"`
 		Staked     *math.HexOrDecimal256       `json:"staked"`
 		PublicKey  hexutil.Bytes               `json:"publicKey"`
+		NodeInfo   NodeInfo                    `json:"info"`
 		PrivateKey hexutil.Bytes               `json:"secretKey,omitempty"`
 	}
 	var enc GenesisAccount
@@ -37,6 +38,7 @@ func (g GenesisAccount) MarshalJSON() ([]byte, error) {
 	enc.Nonce = math.HexOrDecimal64(g.Nonce)
 	enc.Staked = (*math.HexOrDecimal256)(g.Staked)
 	enc.PublicKey = g.PublicKey
+	enc.NodeInfo = g.NodeInfo
 	enc.PrivateKey = g.PrivateKey
 	return json.Marshal(&enc)
 }
@@ -50,6 +52,7 @@ func (g *GenesisAccount) UnmarshalJSON(input []byte) error {
 		Nonce      *math.HexOrDecimal64        `json:"nonce,omitempty"`
 		Staked     *math.HexOrDecimal256       `json:"staked"`
 		PublicKey  *hexutil.Bytes              `json:"publicKey"`
+		NodeInfo   *NodeInfo                   `json:"info"`
 		PrivateKey *hexutil.Bytes              `json:"secretKey,omitempty"`
 	}
 	var dec GenesisAccount
@@ -78,6 +81,9 @@ func (g *GenesisAccount) UnmarshalJSON(input []byte) error {
 	if dec.PublicKey != nil {
 		g.PublicKey = *dec.PublicKey
 	}
+	if dec.NodeInfo != nil {
+		g.NodeInfo = *dec.NodeInfo
+	}
 	if dec.PrivateKey != nil {
 		g.PrivateKey = *dec.PrivateKey
 	}
diff --git a/core/genesis.go b/core/genesis.go
index 8b957edd2..38b8c360b 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -80,6 +80,14 @@ func (ga *GenesisAlloc) UnmarshalJSON(data []byte) error {
 	return nil
 }
 
+// NodeInfo represents the info of a node.
+type NodeInfo struct {
+	Name     string `json:"name"`
+	Email    string `json:"email"`
+	Location string `json:"location"`
+	Url      string `json:"url"`
+}
+
 // GenesisAccount is an account in the state of the genesis block.
 type GenesisAccount struct {
 	Code       []byte                      `json:"code,omitempty"`
@@ -88,6 +96,7 @@ type GenesisAccount struct {
 	Nonce      uint64                      `json:"nonce,omitempty"`
 	Staked     *big.Int                    `json:"staked"`
 	PublicKey  []byte                      `json:"publicKey"`
+	NodeInfo   NodeInfo                    `json:"info"`
 	PrivateKey []byte                      `json:"secretKey,omitempty"` // for tests
 }
 
@@ -285,7 +294,9 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
 			account.Staked = big.NewInt(0)
 		}
 		if account.Staked.Cmp(big.NewInt(0)) > 0 {
-			govStateHelper.Stake(addr, account.PublicKey, account.Staked)
+			govStateHelper.Stake(addr, account.PublicKey, account.Staked,
+				account.NodeInfo.Name, account.NodeInfo.Email,
+				account.NodeInfo.Location, account.NodeInfo.Url)
 		}
 	}
 	// Genesis CRS.
@@ -420,6 +431,7 @@ func decodePrealloc(data string) GenesisAlloc {
 		Staked    *big.Int
 		Code      []byte
 		PublicKey []byte
+		NodeInfo  NodeInfo
 	}
 
 	var p []struct {
@@ -436,6 +448,7 @@ func decodePrealloc(data string) GenesisAlloc {
 			Staked:    account.Account.Staked,
 			Code:      account.Account.Code,
 			PublicKey: account.Account.PublicKey,
+			NodeInfo:  account.Account.NodeInfo,
 		}
 	}
 	return ga
diff --git a/core/genesis_alloc.go b/core/genesis_alloc.go
index 60f6e717b..ffe360457 100644
--- a/core/genesis_alloc.go
+++ b/core/genesis_alloc.go
@@ -21,6 +21,6 @@ package core
 // Use mkalloc.go to create/update them.
 
 // nolint: misspell
-const mainnetAllocData = "\xf9\x02\x0e\xe4\x94\x12E\xa8g/\xa8\x81\u03c5\x8e\xf0\x1d4\xc4+U\u0672c\xff\u038a\x15-\x02\xc7\xe1J\xf6\x80\x00\x00\x80\x80\x80\xf8o\x946\x1eIX\xbd\x8bM\x03\\h\xc4s\x19>w\xfd\xabj\xea\x9d\xf8X\x8965\u026d\xc5\u07a0\x00\x00\x89\x1b\x1a\xe4\xd6\xe2\xefP\x00\x00\x80\xb8A\x04\f/\a\xcf\"\x96n\xba\xa1\x9d\xd8}\xe1\x1d\x04\xf9\xa6\x06\xe8>u\xa5)Utv\nZM\xd8(\a\xe7\xd9\xf2\x8f\x86\xcd8\x98q\u0753\x1aG|\xacd\xe23\xa6\xf0\x98\u0572W\x87\x1d\x81c\xdc\x1b\xdd\xcf\xf8o\x94\xb6\xa2\xe2p\xb5O\x19\xb4\x00-e5\xa7\x1c\xfd\xd1\xca\x1f_\xc1\xf8X\x8965\u026d\xc5\u07a0\x00\x00\x89\x1b\x1a\xe4\xd6\xe2\xefP\x00\x00\x80\xb8A\x04c\xf7\x8d9\x8fk\x04)R\x06*&\xf3U\x1aN)J\x11\bK\x10\x06\xc8\xd67d7\xb7$\x88\xd8\xf3\xafk\x84\x991\xc06$\xad-X\x19\x00\xe9\xad_<\xfe\xee\xd0@\u01d9\xe50\x8c\xd8\x01(S\xfb\xf8o\x94\xb6\xbb\xbe9\x0311\xe4(\u0563TXV\xa5\x96\xca\xcbx\x10\xf8X\x8965\u026d\xc5\u07a0\x00\x00\x89\x1b\x1a\xe4\xd6\xe2\xefP\x00\x00\x80\xb8A\x04\xa1\x11\x8c\x8f\x1c.)=\xe5(\xe5\xb4Z\xc5\xe6Qg\xafL\xb4\xd1\b\x87\x92J\x9f\x83\x92\x87\xd0`\xda&AN\x97\x1c\xabu\x01>V\r\xfe\u01c9{\x19\x83\xea\xa61\xae/\x16\xea@bRS\x10\xed\xd8\xea\xf8o\x94\xbcq\xc0\xf2\xae\xcaF\xfa\x00\x01\xe7e\x96P)\xb1j\x06\x04\x9e\xf8X\x8965\u026d\xc5\u07a0\x00\x00\x89\x1b\x1a\xe4\xd6\xe2\xefP\x00\x00\x80\xb8A\x04\xa1*\x01_'\u064eS\x05I\x8d#\xae\xac\xde(\x1eH\xaa\xd9\x18\xae\x87\xd7\xf6\x17\x84\xabC\x82\x89S\u06d9\xbf\x1fDBb\x94\xcb\xc2\x1e2\xcf:\x99\x12/,\xe8\xa3[\xa7\x18\xa7\xc8\x14\xee\u01fa\xe9\xa3\xea\u453f\x8cH\xa6\xba\xccF\x90\u007f\x9b\x89s-%\xe4z-|\xf7\u038a\x15-\x02\xc7\xe1J\xf6\x80\x00\x00\x80\x80\x80"
+const mainnetAllocData = "\xf9\x03+\xe9\x94\x12E\xa8g/\xa8\x81\u03c5\x8e\xf0\x1d4\xc4+U\u0672c\xff\u04ca\x15-\x02\xc7\xe1J\xf6\x80\x00\x00\x80\x80\x80\u0100\x80\x80\x80\xf8\xa9\x946\x1eIX\xbd\x8bM\x03\\h\xc4s\x19>w\xfd\xabj\xea\x9d\xf8\x92\x8965\u026d\xc5\u07a0\x00\x00\x89\x1b\x1a\xe4\xd6\xe2\xefP\x00\x00\x80\xb8A\x04\f/\a\xcf\"\x96n\xba\xa1\x9d\xd8}\xe1\x1d\x04\xf9\xa6\x06\xe8>u\xa5)Utv\nZM\xd8(\a\xe7\xd9\xf2\x8f\x86\xcd8\x98q\u0753\x1aG|\xacd\xe23\xa6\xf0\x98\u0572W\x87\x1d\x81c\xdc\x1b\xdd\xcf\xf88\x86DEXON1\x8fnode1@dexon.org\x8eTaipei, Taiwan\x91https://dexon.org\xf8\xa9\x94\xb6\xa2\xe2p\xb5O\x19\xb4\x00-e5\xa7\x1c\xfd\xd1\xca\x1f_\xc1\xf8\x92\x8965\u026d\xc5\u07a0\x00\x00\x89\x1b\x1a\xe4\xd6\xe2\xefP\x00\x00\x80\xb8A\x04c\xf7\x8d9\x8fk\x04)R\x06*&\xf3U\x1aN)J\x11\bK\x10\x06\xc8\xd67d7\xb7$\x88\xd8\xf3\xafk\x84\x991\xc06$\xad-X\x19\x00\xe9\xad_<\xfe\xee\xd0@\u01d9\xe50\x8c\xd8\x01(S\xfb\xf88\x86DEXON3\x8fnode3@dexon.org\x8eTaipei, Taiwan\x91https://dexon.org\xf8\xa9\x94\xb6\xbb\xbe9\x0311\xe4(\u0563TXV\xa5\x96\xca\xcbx\x10\xf8\x92\x8965\u026d\xc5\u07a0\x00\x00\x89\x1b\x1a\xe4\xd6\xe2\xefP\x00\x00\x80\xb8A\x04\xa1\x11\x8c\x8f\x1c.)=\xe5(\xe5\xb4Z\xc5\xe6Qg\xafL\xb4\xd1\b\x87\x92J\x9f\x83\x92\x87\xd0`\xda&AN\x97\x1c\xabu\x01>V\r\xfe\u01c9{\x19\x83\xea\xa61\xae/\x16\xea@bRS\x10\xed\xd8\xea\xf88\x86DEXON4\x8fnode4@dexon.org\x8eTaipei, Taiwan\x91https://dexon.org\xf8\xa9\x94\xbcq\xc0\xf2\xae\xcaF\xfa\x00\x01\xe7e\x96P)\xb1j\x06\x04\x9e\xf8\x92\x8965\u026d\xc5\u07a0\x00\x00\x89\x1b\x1a\xe4\xd6\xe2\xefP\x00\x00\x80\xb8A\x04\xa1*\x01_'\u064eS\x05I\x8d#\xae\xac\xde(\x1eH\xaa\xd9\x18\xae\x87\xd7\xf6\x17\x84\xabC\x82\x89S\u06d9\xbf\x1fDBb\x94\xcb\xc2\x1e2\xcf:\x99\x12/,\xe8\xa3[\xa7\x18\xa7\xc8\x14\xee\u01fa\xe9\xa3\xea\xf88\x86DEXON2\x8fnode2@dexon.org\x8eTaipei, Taiwan\x91https://dexon.org\u953f\x8cH\xa6 \xba\xccF\x90\u007f\x9b\x89s-%\xe4z-|\xf7\u04ca\x15-\x02\xc7\xe1J\xf6\x80\x00\x00\x80\x80\x80\u0100\x80\x80\x80\xea\x94\xe0\xf8Y4\x03S\x85F\x93\xf57\xea3q\x06\xa3>\x9f\xea\xb0\u050bR\xb7\xd2\xdc\xc8\f\xd2\xe4\x00\x00\x00\x80\x80\x80\u0100\x80\x80\x80"
 
 const testnetAllocData = mainnetAllocData
diff --git a/core/mkalloc.go b/core/mkalloc.go
index cc246b5a8..a871685f6 100644
--- a/core/mkalloc.go
+++ b/core/mkalloc.go
@@ -38,11 +38,19 @@ import (
 	"github.com/dexon-foundation/dexon/rlp"
 )
 
+type nodeInfo struct {
+	Name     string
+	Email    string
+	Location string
+	Url      string
+}
+
 type accountData struct {
 	Balance   *big.Int
 	Staked    *big.Int
 	Code      []byte
 	PublicKey []byte
+	NodeInfo  nodeInfo
 }
 
 type allocItem struct {
@@ -67,6 +75,12 @@ func makelist(g *core.Genesis) allocList {
 			Balance:   account.Balance,
 			Staked:    account.Staked,
 			PublicKey: account.PublicKey,
+			NodeInfo: nodeInfo{
+				Name:     account.NodeInfo.Name,
+				Email:    account.NodeInfo.Email,
+				Location: account.NodeInfo.Location,
+				Url:      account.NodeInfo.Url,
+			},
 		}})
 	}
 	sort.Sort(a)
diff --git a/core/vm/governance.go b/core/vm/governance.go
index 46effcc29..3361be671 100644
--- a/core/vm/governance.go
+++ b/core/vm/governance.go
@@ -127,6 +127,22 @@ const abiJSON = `
       {
         "name": "staked",
         "type": "uint256"
+      },
+      {
+        "name": "name",
+        "type": "string"
+      },
+      {
+        "name": "email",
+        "type": "string"
+      },
+      {
+        "name": "location",
+        "type": "string"
+      },
+      {
+        "name": "url",
+        "type": "string"
       }
     ],
     "payable": false,
@@ -568,6 +584,22 @@ const abiJSON = `
       {
         "name": "PublicKey",
         "type": "bytes"
+      },
+      {
+        "name": "Name",
+        "type": "string"
+      },
+      {
+        "name": "Email",
+        "type": "string"
+      },
+      {
+        "name": "Location",
+        "type": "string"
+      },
+      {
+        "name": "Url",
+        "type": "string"
       }
     ],
     "name": "stake",
@@ -692,11 +724,17 @@ func RunGovernanceContract(evm *EVM, input []byte, contract *Contract) (
 		}
 		return g.proposeCRS(args.Round, args.SignedCRS)
 	case "stake":
-		var publicKey []byte
-		if err := method.Inputs.Unpack(&publicKey, arguments); err != nil {
+		args := struct {
+			PublicKey []byte
+			Name      string
+			Email     string
+			Location  string
+			Url       string
+		}{}
+		if err := method.Inputs.Unpack(&args, arguments); err != nil {
 			return nil, errExecutionReverted
 		}
-		return g.stake(publicKey)
+		return g.stake(args.PublicKey, args.Name, args.Email, args.Location, args.Url)
 	case "snapshotRound":
 		args := struct {
 			Round  *big.Int
@@ -844,7 +882,9 @@ func RunGovernanceContract(evm *EVM, input []byte, contract *Contract) (
 			return nil, errExecutionReverted
 		}
 		info := g.state.Node(index)
-		res, err := method.Outputs.Pack(info.Owner, info.PublicKey, info.Staked)
+		res, err := method.Outputs.Pack(
+			info.Owner, info.PublicKey, info.Staked,
+			info.Name, info.Email, info.Location, info.Url)
 		if err != nil {
 			return nil, errExecutionReverted
 		}
@@ -1080,6 +1120,10 @@ func (s *GovernanceStateHelper) PushRoundHeight(height *big.Int) {
 //     address owner;
 //     bytes publicKey;
 //     uint256 staked;
+//     string name;
+//     string email;
+//     string location;
+//     string url;
 // }
 //
 // Node[] nodes;
@@ -1088,8 +1132,14 @@ type nodeInfo struct {
 	Owner     common.Address
 	PublicKey []byte
 	Staked    *big.Int
+	Name      string
+	Email     string
+	Location  string
+	Url       string
 }
 
+const nodesInfoSize = 7
+
 func (s *GovernanceStateHelper) NodesLength() *big.Int {
 	return s.getStateBigInt(big.NewInt(nodesLoc))
 }
@@ -1097,7 +1147,8 @@ func (s *GovernanceStateHelper) Node(index *big.Int) *nodeInfo {
 	node := new(nodeInfo)
 
 	arrayBaseLoc := s.getSlotLoc(big.NewInt(nodesLoc))
-	elementBaseLoc := new(big.Int).Add(arrayBaseLoc, new(big.Int).Mul(index, big.NewInt(3)))
+	elementBaseLoc := new(big.Int).Add(arrayBaseLoc,
+		new(big.Int).Mul(index, big.NewInt(nodesInfoSize)))
 
 	// owner.
 	loc := elementBaseLoc
@@ -1111,6 +1162,22 @@ func (s *GovernanceStateHelper) Node(index *big.Int) *nodeInfo {
 	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(2))
 	node.Staked = s.getStateBigInt(loc)
 
+	// name.
+	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(3))
+	node.Name = string(s.readBytes(loc))
+
+	// email.
+	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(4))
+	node.Email = string(s.readBytes(loc))
+
+	// location.
+	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(5))
+	node.Location = string(s.readBytes(loc))
+
+	// url.
+	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(6))
+	node.Url = string(s.readBytes(loc))
+
 	return node
 }
 func (s *GovernanceStateHelper) PushNode(n *nodeInfo) {
@@ -1122,7 +1189,8 @@ func (s *GovernanceStateHelper) PushNode(n *nodeInfo) {
 }
 func (s *GovernanceStateHelper) UpdateNode(index *big.Int, n *nodeInfo) {
 	arrayBaseLoc := s.getSlotLoc(big.NewInt(nodesLoc))
-	elementBaseLoc := new(big.Int).Add(arrayBaseLoc, new(big.Int).Mul(index, big.NewInt(3)))
+	elementBaseLoc := new(big.Int).Add(arrayBaseLoc,
+		new(big.Int).Mul(index, big.NewInt(nodesInfoSize)))
 
 	// owner.
 	loc := elementBaseLoc
@@ -1135,6 +1203,22 @@ func (s *GovernanceStateHelper) UpdateNode(index *big.Int, n *nodeInfo) {
 	// staked.
 	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(2))
 	s.setStateBigInt(loc, n.Staked)
+
+	// name.
+	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(3))
+	s.writeBytes(loc, []byte(n.Name))
+
+	// email.
+	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(4))
+	s.writeBytes(loc, []byte(n.Email))
+
+	// location.
+	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(5))
+	s.writeBytes(loc, []byte(n.Location))
+
+	// url.
+	loc = new(big.Int).Add(elementBaseLoc, big.NewInt(6))
+	s.writeBytes(loc, []byte(n.Url))
 }
 func (s *GovernanceStateHelper) Nodes() []*nodeInfo {
 	var nodes []*nodeInfo
@@ -1298,12 +1382,18 @@ func (s *GovernanceStateHelper) MinBlockInterval() *big.Int {
 }
 
 // Stake is a helper function for creating genesis state.
-func (s *GovernanceStateHelper) Stake(addr common.Address, publicKey []byte, staked *big.Int) {
+func (s *GovernanceStateHelper) Stake(
+	addr common.Address, publicKey []byte, staked *big.Int,
+	name, email, location, url string) {
 	offset := s.NodesLength()
 	s.PushNode(&nodeInfo{
 		Owner:     addr,
 		PublicKey: publicKey,
 		Staked:    staked,
+		Name:      name,
+		Email:     email,
+		Location:  location,
+		Url:       url,
 	})
 	s.PutOffset(addr, offset)
 }
@@ -1530,7 +1620,15 @@ func (g *GovernanceContract) updateConfiguration(config *params.DexconConfig) ([
 	return nil, nil
 }
 
-func (g *GovernanceContract) stake(publicKey []byte) ([]byte, error) {
+func (g *GovernanceContract) stake(
+	publicKey []byte, name, email, location, url string) ([]byte, error) {
+
+	// Reject invalid inputs.
+	if len(name) >= 32 || len(email) >= 32 || len(location) >= 32 || len(url) >= 128 {
+		g.penalize()
+		return nil, errExecutionReverted
+	}
+
 	caller := g.contract.Caller()
 	offset := g.state.Offset(caller)
 
@@ -1545,6 +1643,10 @@ func (g *GovernanceContract) stake(publicKey []byte) ([]byte, error) {
 		Owner:     caller,
 		PublicKey: publicKey,
 		Staked:    g.contract.Value(),
+		Name:      name,
+		Email:     email,
+		Location:  location,
+		Url:       url,
 	})
 	g.state.PutOffset(caller, offset)