package consensus
import (
+ "encoding/binary"
"strings"
+
"github.com/bytom/protocol/bc"
)
+//consensus variables
const (
- // define the Max transaction size and Max block size
- MaxTxSize = uint64(1024)
- MaxBlockSzie = uint64(16384)
+ // Max gas that one block contains
+ MaxBlockGas = uint64(10000000)
+ VMGasRate = int64(200)
+ StorageGasRate = int64(1)
+ MaxGasAmount = int64(200000)
+ DefaultGasCredit = int64(30000)
//config parameter for coinbase reward
- subsidyReductionInterval = uint64(560640)
- baseSubsidy = uint64(624000000000)
- initialBlockSubsidy = uint64(1470000000000000000)
+ CoinbasePendingBlockNumber = uint64(100)
+ subsidyReductionInterval = uint64(840000)
+ baseSubsidy = uint64(41250000000)
+ InitialBlockSubsidy = uint64(140700041250000000)
// config for pow mining
- powMinBits = uint64(2161727821138738707)
- BlocksPerRetarget = uint64(1024)
- targetSecondsPerBlock = uint64(60)
+ BlocksPerRetarget = uint64(2016)
+ TargetSecondsPerBlock = uint64(150)
+ SeedPerRetarget = uint64(256)
+
+ // MaxTimeOffsetSeconds is the maximum number of seconds a block time is allowed to be ahead of the current time
+ MaxTimeOffsetSeconds = uint64(60 * 60)
+ MedianTimeBlocks = 11
+
+ PayToWitnessPubKeyHashDataSize = 20
+ PayToWitnessScriptHashDataSize = 32
+ CoinbaseArbitrarySizeLimit = 128
+
+ BTMAlias = "BTM"
)
-// define the BTM asset id, the soul asset of Bytom
+// BTMAssetID is BTM's asset id, the soul asset of Bytom
var BTMAssetID = &bc.AssetID{
- V0: uint64(18446744073709551615),
- V1: uint64(18446744073709551615),
- V2: uint64(18446744073709551615),
- V3: uint64(18446744073709551615),
+ V0: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
+ V1: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
+ V2: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
+ V3: binary.BigEndian.Uint64([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
}
-func BlockSubsidy(height uint64) uint64 {
- if height == 1 {
- return initialBlockSubsidy
- }
- return baseSubsidy >> uint(height/subsidyReductionInterval)
+// InitialSeed is SHA3-256 of Byte[0^32]
+var InitialSeed = &bc.Hash{
+ V0: uint64(11412844483649490393),
+ V1: uint64(4614157290180302959),
+ V2: uint64(1780246333311066183),
+ V3: uint64(9357197556716379726),
}
-func InitBlock() []byte {
- return []byte("0301010000000000000000000000000000000000000000000000000000000000000000cecccaebf42b406b03545ed2b38a578e5e6b0796d4ebdd8a6dd72210873fcc026c7319de578ffc492159980684155da19e87de0d1b37b35c1a1123770ec1dcc710aabe77607cced7bb1993fcb680808080801e0107010700cecccaebf42b000001012cffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8080ccdee2a69fb314010151000000")
+// BTMDefinitionMap is the ....
+var BTMDefinitionMap = map[string]interface{}{
+ "name": BTMAlias,
+ "symbol": BTMAlias,
+ "decimals": 8,
+ "description": `Bytom Official Issue`,
}
+// BlockSubsidy calculate the coinbase rewards on given block height
+func BlockSubsidy(height uint64) uint64 {
+ if height == 0 {
+ return InitialBlockSubsidy
+ }
+ return baseSubsidy >> uint(height/subsidyReductionInterval)
+}
// IsBech32SegwitPrefix returns whether the prefix is a known prefix for segwit
// addresses on any default or registered network. This is used when decoding
// an address string into a specific address type.
-func IsBech32SegwitPrefix(prefix string, params *Params) bool {
+func IsBech32SegwitPrefix(prefix string, params *Params) bool {
prefix = strings.ToLower(prefix)
- if prefix == params.Bech32HRPSegwit+"1" {
- return true
- } else {
- return false
- }
+ return prefix == params.Bech32HRPSegwit+"1"
}
+// Checkpoint identifies a known good point in the block chain. Using
+// checkpoints allows a few optimizations for old blocks during initial download
+// and also prevents forks from old blocks.
+type Checkpoint struct {
+ Height uint64
+ Hash bc.Hash
+}
+// Params store the config for different network
type Params struct {
// Name defines a human-readable identifier for the network.
- Name string
-
+ Name string
Bech32HRPSegwit string
-
+ Checkpoints []Checkpoint
}
+// ActiveNetParams is ...
+var ActiveNetParams = MainNetParams
-var MainNetParams = Params {
- Name: "main",
- Bech32HRPSegwit: "bm",
+// NetParams is the correspondence between chain_id and Params
+var NetParams = map[string]Params{
+ "mainnet": MainNetParams,
+ "wisdom": TestNetParams,
+ "solonet": SoloNetParams,
}
+// MainNetParams is the config for production
+var MainNetParams = Params{
+ Name: "main",
+ Bech32HRPSegwit: "bm",
+ Checkpoints: []Checkpoint{
+ {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})},
+ {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})},
+ {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})},
+ {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})},
+ {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})},
+ {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})},
+ {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})},
+ {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})},
+ },
+}
-var TestNetParams = Params {
- Name: "test",
+// TestNetParams is the config for test-net
+var TestNetParams = Params{
+ Name: "test",
Bech32HRPSegwit: "tm",
+ Checkpoints: []Checkpoint{
+ {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})},
+ {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})},
+ },
}
+// SoloNetParams is the config for test-net
+var SoloNetParams = Params{
+ Name: "solo",
+ Bech32HRPSegwit: "sm",
+ Checkpoints: []Checkpoint{},
+}
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