protocol/bc/types/bytom/general.go

   1 package bytom
   2
   3 import (
   4         "encoding/binary"
   5         "strings"
   6
   7         "github.com/vapor/protocol/bc"
   8 )
   9
  10 //consensus variables
  11 const (
  12         // Max gas that one block contains
  13         MaxBlockGas      = uint64(10000000)
  14         VMGasRate        = int64(200)
  15         StorageGasRate   = int64(1)
  16         MaxGasAmount     = int64(200000)
  17         DefaultGasCredit = int64(30000)
  18
  19         //config parameter for coinbase reward
  20         CoinbasePendingBlockNumber = uint64(5)
  21         subsidyReductionInterval   = uint64(840000)
  22         baseSubsidy                = uint64(41250000000)
  23         InitialBlockSubsidy        = uint64(140700041250000000)
  24
  25         // config for pow mining
  26         BlocksPerRetarget     = uint64(2016)
  27         TargetSecondsPerBlock = uint64(150)
  28         SeedPerRetarget       = uint64(256)
  29
  30         // MaxTimeOffsetSeconds is the maximum number of seconds a block time is allowed to be ahead of the current time
  31         MaxTimeOffsetSeconds = uint64(60 * 60)
  32         MedianTimeBlocks     = 11
  33
  34         PayToWitnessPubKeyHashDataSize = 20
  35         PayToWitnessScriptHashDataSize = 32
  36         CoinbaseArbitrarySizeLimit     = 128
  37
  38         BTMAlias = "BTM"
  39 )
  40
  41 // BTMAssetID is BTM's asset id, the soul asset of Bytom
  42 var BTMAssetID = &bc.AssetID{
  43         V0: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
  44         V1: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
  45         V2: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
  46         V3: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
  47 }
  48
  49 // InitialSeed is SHA3-256 of Byte[0^32]
  50 var InitialSeed = &bc.Hash{
  51         V0: uint64(11412844483649490393),
  52         V1: uint64(4614157290180302959),
  53         V2: uint64(1780246333311066183),
  54         V3: uint64(9357197556716379726),
  55 }
  56
  57 // BTMDefinitionMap is the ....
  58 var BTMDefinitionMap = map[string]interface{}{
  59         "name":        BTMAlias,
  60         "symbol":      BTMAlias,
  61         "decimals":    8,
  62         "description": `Bytom Official Issue`,
  63 }
  64
  65 // BlockSubsidy calculate the coinbase rewards on given block height
  66 func BlockSubsidy(height uint64) uint64 {
  67         if height == 0 {
  68                 return InitialBlockSubsidy
  69         }
  70         return baseSubsidy >> uint(height/subsidyReductionInterval)
  71 }
  72
  73 // IsBech32SegwitPrefix returns whether the prefix is a known prefix for segwit
  74 // addresses on any default or registered network.  This is used when decoding
  75 // an address string into a specific address type.
  76 func IsBech32SegwitPrefix(prefix string, params *Params) bool {
  77         prefix = strings.ToLower(prefix)
  78         return prefix == params.Bech32HRPSegwit+"1"
  79 }
  80
  81 // Checkpoint identifies a known good point in the block chain.  Using
  82 // checkpoints allows a few optimizations for old blocks during initial download
  83 // and also prevents forks from old blocks.
  84 type Checkpoint struct {
  85         Height uint64
  86         Hash   bc.Hash
  87 }
  88
  89 // Params store the config for different network
  90 type Params struct {
  91         // Name defines a human-readable identifier for the network.
  92         Name            string
  93         Bech32HRPSegwit string
  94         Checkpoints     []Checkpoint
  95 }
  96
  97 // ActiveNetParams is ...
  98 var ActiveNetParams = MainNetParams
  99
 100 // NetParams is the correspondence between chain_id and Params
 101 var NetParams = map[string]Params{
 102         "mainnet": MainNetParams,
 103         "wisdom":  TestNetParams,
 104         "solonet": SoloNetParams,
 105 }
 106
 107 // MainNetParams is the config for production
 108 var MainNetParams = Params{
 109         Name:            "main",
 110         Bech32HRPSegwit: "bm",
 111         Checkpoints: []Checkpoint{
 112                 {10000, bc.NewHash([32]byte{0x93, 0xe1, 0xeb, 0x78, 0x21, 0xd2, 0xb4, 0xad, 0x0f, 0x5b, 0x1c, 0xea, 0x82, 0xe8, 0x43, 0xad, 0x8c, 0x09, 0x9a, 0xb6, 0x5d, 0x8f, 0x70, 0xc5, 0x84, 0xca, 0xa2, 0xdd, 0xf1, 0x74, 0x65, 0x2c})},
 113                 {20000, bc.NewHash([32]byte{0x7d, 0x38, 0x61, 0xf3, 0x2c, 0xc0, 0x03, 0x81, 0xbb, 0xcd, 0x9a, 0x37, 0x6f, 0x10, 0x5d, 0xfe, 0x6f, 0xfe, 0x2d, 0xa5, 0xea, 0x88, 0xa5, 0xe3, 0x42, 0xed, 0xa1, 0x17, 0x9b, 0xa8, 0x0b, 0x7c})},
 114                 {30000, bc.NewHash([32]byte{0x32, 0x36, 0x06, 0xd4, 0x27, 0x2e, 0x35, 0x24, 0x46, 0x26, 0x7b, 0xe0, 0xfa, 0x48, 0x10, 0xa4, 0x3b, 0xb2, 0x40, 0xf1, 0x09, 0x51, 0x5b, 0x22, 0x9f, 0xf3, 0xc3, 0x83, 0x28, 0xaa, 0x4a, 0x00})},
 115                 {40000, bc.NewHash([32]byte{0x7f, 0xe2, 0xde, 0x11, 0x21, 0xf3, 0xa9, 0xa0, 0xee, 0x60, 0x8d, 0x7d, 0x4b, 0xea, 0xcc, 0x33, 0xfe, 0x41, 0x25, 0xdc, 0x2f, 0x26, 0xc2, 0xf2, 0x9c, 0x07, 0x17, 0xf9, 0xe4, 0x4f, 0x9d, 0x46})},
 116                 {50000, bc.NewHash([32]byte{0x5e, 0xfb, 0xdf, 0xf5, 0x35, 0x38, 0xa6, 0x0b, 0x75, 0x32, 0x02, 0x61, 0x83, 0x54, 0x34, 0xff, 0x3e, 0x82, 0x2e, 0xf8, 0x64, 0xae, 0x2d, 0xc7, 0x6c, 0x9d, 0x5e, 0xbd, 0xa3, 0xd4, 0x50, 0xcf})},
 117                 {62000, bc.NewHash([32]byte{0xd7, 0x39, 0x8f, 0x23, 0x57, 0xf9, 0x4c, 0xa0, 0x28, 0xa7, 0x00, 0x2b, 0x53, 0x9e, 0x51, 0x2d, 0x3e, 0xca, 0xc9, 0x22, 0x59, 0xfc, 0xd0, 0x3f, 0x67, 0x1a, 0x0a, 0xb1, 0x02, 0xbf, 0x2b, 0x03})},
 118                 {72000, bc.NewHash([32]byte{0x66, 0x02, 0x31, 0x19, 0xf1, 0x60, 0x35, 0x61, 0xa4, 0xf1, 0x38, 0x04, 0xcc, 0xe4, 0x59, 0x8f, 0x55, 0x39, 0xba, 0x22, 0xf2, 0x6d, 0x90, 0xbf, 0xc1, 0x87, 0xef, 0x98, 0xcc, 0x70, 0x4d, 0x94})},
 119                 {83700, bc.NewHash([32]byte{0x7f, 0x26, 0xc9, 0x11, 0xe8, 0x46, 0xd0, 0x6e, 0x36, 0xbb, 0xac, 0xce, 0x99, 0xa2, 0x19, 0x89, 0x3f, 0xf7, 0x84, 0x2a, 0xcb, 0x44, 0x7f, 0xbb, 0x0e, 0x3b, 0xa3, 0x68, 0xd6, 0x2b, 0xe8, 0x0d})},
 120         },
 121 }
 122
 123 // TestNetParams is the config for test-net
 124 var TestNetParams = Params{
 125         Name:            "test",
 126         Bech32HRPSegwit: "tm",
 127         Checkpoints: []Checkpoint{
 128                 {10303, bc.NewHash([32]byte{0x3e, 0x94, 0x5d, 0x35, 0x70, 0x30, 0xd4, 0x3b, 0x3d, 0xe3, 0xdd, 0x80, 0x67, 0x29, 0x9a, 0x5e, 0x09, 0xf9, 0xfb, 0x2b, 0xad, 0x5f, 0x92, 0xc8, 0x69, 0xd1, 0x42, 0x39, 0x74, 0x9a, 0xd1, 0x1c})},
 129                 {40000, bc.NewHash([32]byte{0x6b, 0x13, 0x9a, 0x5b, 0x76, 0x77, 0x9b, 0xd4, 0x1c, 0xec, 0x53, 0x68, 0x44, 0xbf, 0xf4, 0x48, 0x94, 0x3d, 0x16, 0xe3, 0x9b, 0x2e, 0xe8, 0xa1, 0x0f, 0xa0, 0xbc, 0x7d, 0x2b, 0x17, 0x55, 0xfc})},
 130         },
 131 }
 132
 133 // SoloNetParams is the config for test-net
 134 var SoloNetParams = Params{
 135         Name:            "solo",
 136         Bech32HRPSegwit: "sm",
 137         Checkpoints:     []Checkpoint{},
 138 }