protocol/bc/types/bytom/general.go

   1 package bytom
   2
   3 import (
   4         "encoding/binary"
   5         "strings"
   6 )
   7
   8 //consensus variables
   9 const (
  10         // Max gas that one block contains
  11         MaxBlockGas      = uint64(10000000)
  12         VMGasRate        = int64(200)
  13         StorageGasRate   = int64(1)
  14         MaxGasAmount     = int64(200000)
  15         DefaultGasCredit = int64(30000)
  16
  17         //config parameter for coinbase reward
  18         CoinbasePendingBlockNumber = uint64(5)
  19         subsidyReductionInterval   = uint64(840000)
  20         baseSubsidy                = uint64(41250000000)
  21         InitialBlockSubsidy        = uint64(140700041250000000)
  22
  23         // config for pow mining
  24         BlocksPerRetarget     = uint64(2016)
  25         TargetSecondsPerBlock = uint64(150)
  26         SeedPerRetarget       = uint64(256)
  27
  28         // MaxTimeOffsetSeconds is the maximum number of seconds a block time is allowed to be ahead of the current time
  29         MaxTimeOffsetSeconds = uint64(60 * 60)
  30         MedianTimeBlocks     = 11
  31
  32         PayToWitnessPubKeyHashDataSize = 20
  33         PayToWitnessScriptHashDataSize = 32
  34         CoinbaseArbitrarySizeLimit     = 128
  35
  36         BTMAlias = "BTM"
  37 )
  38
  39 // BTMAssetID is BTM's asset id, the soul asset of Bytom
  40 var BTMAssetID = &AssetID{
  41         V0: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
  42         V1: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
  43         V2: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
  44         V3: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
  45 }
  46
  47 // InitialSeed is SHA3-256 of Byte[0^32]
  48 var InitialSeed = &Hash{
  49         V0: uint64(11412844483649490393),
  50         V1: uint64(4614157290180302959),
  51         V2: uint64(1780246333311066183),
  52         V3: uint64(9357197556716379726),
  53 }
  54
  55 // BTMDefinitionMap is the ....
  56 var BTMDefinitionMap = map[string]interface{}{
  57         "name":        BTMAlias,
  58         "symbol":      BTMAlias,
  59         "decimals":    8,
  60         "description": `Bytom Official Issue`,
  61 }
  62
  63 // BlockSubsidy calculate the coinbase rewards on given block height
  64 func BlockSubsidy(height uint64) uint64 {
  65         if height == 0 {
  66                 return InitialBlockSubsidy
  67         }
  68         return baseSubsidy >> uint(height/subsidyReductionInterval)
  69 }
  70
  71 // IsBech32SegwitPrefix returns whether the prefix is a known prefix for segwit
  72 // addresses on any default or registered network.  This is used when decoding
  73 // an address string into a specific address type.
  74 func IsBech32SegwitPrefix(prefix string, params *Params) bool {
  75         prefix = strings.ToLower(prefix)
  76         return prefix == params.Bech32HRPSegwit+"1"
  77 }
  78
  79 // Checkpoint identifies a known good point in the block chain.  Using
  80 // checkpoints allows a few optimizations for old blocks during initial download
  81 // and also prevents forks from old blocks.
  82 type Checkpoint struct {
  83         Height uint64
  84         Hash   Hash
  85 }
  86
  87 // Params store the config for different network
  88 type Params struct {
  89         // Name defines a human-readable identifier for the network.
  90         Name            string
  91         Bech32HRPSegwit string
  92         Checkpoints     []Checkpoint
  93 }
  94
  95 // ActiveNetParams is ...
  96 var ActiveNetParams = MainNetParams
  97
  98 // NetParams is the correspondence between chain_id and Params
  99 var NetParams = map[string]Params{
 100         "mainnet": MainNetParams,
 101         "wisdom":  TestNetParams,
 102         "solonet": SoloNetParams,
 103 }
 104
 105 // MainNetParams is the config for production
 106 var MainNetParams = Params{
 107         Name:            "main",
 108         Bech32HRPSegwit: "bm",
 109         Checkpoints: []Checkpoint{
 110                 {10000, 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})},
 111                 {20000, 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})},
 112                 {30000, 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})},
 113                 {40000, 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})},
 114                 {50000, 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})},
 115                 {62000, 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})},
 116                 {72000, 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})},
 117                 {83700, 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})},
 118         },
 119 }
 120
 121 // TestNetParams is the config for test-net
 122 var TestNetParams = Params{
 123         Name:            "test",
 124         Bech32HRPSegwit: "tm",
 125         Checkpoints: []Checkpoint{
 126                 {10303, 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})},
 127                 {40000, 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})},
 128         },
 129 }
 130
 131 // SoloNetParams is the config for test-net
 132 var SoloNetParams = Params{
 133         Name:            "solo",
 134         Bech32HRPSegwit: "sm",
 135         Checkpoints:     []Checkpoint{},
 136 }