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genesis.go
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genesis.go
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package chain
import (
"fmt"
"github.com/LemoFoundationLtd/lemochain-go/chain/account"
"github.com/LemoFoundationLtd/lemochain-go/chain/deputynode"
"github.com/LemoFoundationLtd/lemochain-go/chain/types"
"github.com/LemoFoundationLtd/lemochain-go/common"
"github.com/LemoFoundationLtd/lemochain-go/common/hexutil"
"github.com/LemoFoundationLtd/lemochain-go/common/log"
"github.com/LemoFoundationLtd/lemochain-go/store/protocol"
"math/big"
"net"
"time"
)
// DefaultDeputyNodes
var DefaultDeputyNodes = deputynode.DeputyNodes{
&deputynode.DeputyNode{
MinerAddress: decodeMinerAddress("Lemo83GN72GYH2NZ8BA729Z9TCT7KQ5FC3CR6DJG"),
NodeID: common.FromHex("0x5e3600755f9b512a65603b38e30885c98cbac70259c3235c9b3f42ee563b480edea351ba0ff5748a638fe0aeff5d845bf37a3b437831871b48fd32f33cd9a3c0"),
IP: net.ParseIP("149.28.68.93"),
Port: 7003,
Rank: 0,
Votes: 50000,
},
&deputynode.DeputyNode{
MinerAddress: decodeMinerAddress("Lemo83JW7TBPA7P2P6AR9ZC2WCQJYRNHZ4NJD4CY"),
NodeID: common.FromHex("0xddb5fc36c415799e4c0cf7046ddde04aad6de8395d777db4f46ebdf258e55ee1d698fdd6f81a950f00b78bb0ea562e4f7de38cb0adf475c5026bb885ce74afb0"),
IP: net.ParseIP("149.28.68.93"),
Port: 7005,
Rank: 1,
Votes: 40000,
},
&deputynode.DeputyNode{
MinerAddress: decodeMinerAddress("Lemo842BJZ4DKCC764C63Y6A943775JH6NQ3Z33Y"),
NodeID: common.FromHex("0x7739f34055d3c0808683dbd77a937f8e28f707d5b1e873bbe61f6f2d0347692f36ef736f342fb5ce4710f7e337f062cc2110d134b63a9575f78cb167bfae2f43"),
IP: net.ParseIP("149.28.25.8"),
Port: 7003,
Rank: 2,
Votes: 30000,
},
&deputynode.DeputyNode{
MinerAddress: decodeMinerAddress("Lemo837QGPS3YNTYNF53CD88WA5DR3ABNA95W2DG"),
NodeID: common.FromHex("0x34f0df789b46e9bc09f23d5315b951bc77bbfeda653ae6f5aab564c9b4619322fddb3b1f28d1c434250e9d4dd8f51aa8334573d7281e4d63baba913e9fa6908f"),
IP: net.ParseIP("45.77.121.107"),
Port: 7003,
Rank: 3,
Votes: 20000,
},
&deputynode.DeputyNode{
MinerAddress: decodeMinerAddress("Lemo83HKZK68JQZDRGS5PWT2ZBSKR5CRADCSJB9B"),
NodeID: common.FromHex("0x5b980ffb1b463fce4773a22ebf376c07c6207023b016b36ccfaba7be1cd1ab4a91737741cd43b7fcb10879e0fcf314d69fa953daec0f02be0f8f9cedb0cb3797"),
IP: net.ParseIP("63.211.111.245"),
Port: 7003,
Rank: 4,
Votes: 10000,
},
}
func decodeMinerAddress(input string) common.Address {
if address, err := common.StringToAddress(input); err == nil {
return address
}
panic(fmt.Sprintf("deputy nodes have invalid miner address: %s", input))
}
//go:generate gencodec -type Genesis -field-override genesisSpecMarshaling -out gen_genesis_json.go
type Genesis struct {
Time uint32 `json:"timestamp" gencodec:"required"`
ExtraData []byte `json:"extraData"`
GasLimit uint64 `json:"gasLimit" gencodec:"required"`
Founder common.Address `json:"founder" gencodec:"required"`
DeputyNodes deputynode.DeputyNodes `json:"deputyNodes" gencodec:"required"`
}
type genesisSpecMarshaling struct {
Time hexutil.Uint32
ExtraData hexutil.Bytes
GasLimit hexutil.Uint64
DeputyNodes []*deputynode.DeputyNode
}
// DefaultGenesisBlock default genesis block
func DefaultGenesisBlock() *Genesis {
timeSpan, _ := time.ParseInLocation("2006-01-02 15:04:05", "2018-08-30 12:00:00", time.UTC)
address := decodeMinerAddress("Lemo83GN72GYH2NZ8BA729Z9TCT7KQ5FC3CR6DJG")
return &Genesis{
Time: uint32(timeSpan.Unix()),
ExtraData: []byte(""),
GasLimit: 105000000,
Founder: address,
DeputyNodes: DefaultDeputyNodes,
}
}
// SetupGenesisBlock setup genesis block
func SetupGenesisBlock(db protocol.ChainDB, genesis *Genesis) (common.Hash, error) {
if genesis == nil {
log.Info("Writing default genesis block.")
genesis = DefaultGenesisBlock()
}
if len(genesis.DeputyNodes) == 0 {
panic("default deputy nodes can't be empty")
}
if len(genesis.ExtraData) > 256 {
panic("genesis block's extraData length larger than 256")
}
// check genesis block's time
if int64(genesis.Time) > time.Now().Unix() {
panic("Genesis block's time can't be larger than current time.")
}
// check deputy nodes
for _, deputy := range genesis.DeputyNodes {
if err := deputy.Check(); err != nil {
panic("genesis deputy nodes check error")
}
}
am := account.NewManager(common.Hash{}, db)
block := genesis.ToBlock()
genesis.setBalance(am)
if err := am.Finalise(); err != nil {
return common.Hash{}, fmt.Errorf("setup genesis block failed: %v", err)
}
block.Header.VersionRoot = am.GetVersionRoot()
logs := am.GetChangeLogs()
block.SetChangeLogs(logs)
block.Header.LogRoot = types.DeriveChangeLogsSha(logs)
hash := block.Hash()
if err := db.SetBlock(hash, block); err != nil {
return common.Hash{}, fmt.Errorf("setup genesis block failed: %v", err)
}
if err := am.Save(hash); err != nil {
return common.Hash{}, fmt.Errorf("setup genesis block failed: %v", err)
}
if err := db.SetStableBlock(hash); err != nil {
return common.Hash{}, fmt.Errorf("setup genesis block failed: %v", err)
}
return block.Hash(), nil
}
// ToBlock
func (g *Genesis) ToBlock() *types.Block {
head := &types.Header{
ParentHash: common.Hash{},
MinerAddress: g.Founder,
TxRoot: common.HexToHash("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"), // empty merkle
EventRoot: common.HexToHash("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"), // empty merkle
Height: 0,
GasLimit: g.GasLimit,
Extra: g.ExtraData,
Time: g.Time,
DeputyRoot: types.DeriveDeputyRootSha(g.DeputyNodes).Bytes(),
}
block := types.NewBlock(head, nil, nil, nil, nil)
block.SetDeputyNodes(g.DeputyNodes)
return block
}
func (g *Genesis) setBalance(am *account.Manager) {
total, _ := new(big.Int).SetString("1600000000000000000000000000", 10) // 1.6 billion
am.GetAccount(g.Founder).SetBalance(total)
}