Add params for new simulation testing network.

ok @jrick
This commit is contained in:
Dave Collins 2014-05-28 01:46:13 -05:00
parent 218f8df5ba
commit dc967b7cc8
3 changed files with 148 additions and 0 deletions

View file

@ -140,3 +140,31 @@ var testNet3GenesisBlock = btcwire.MsgBlock{
},
Transactions: []*btcwire.MsgTx{&genesisCoinbaseTx},
}
// simNetGenesisHash is the hash of the first block in the block chain for the
// simulation test network.
var simNetGenesisHash = btcwire.ShaHash{
0xf6, 0x7a, 0xd7, 0x69, 0x5d, 0x9b, 0x66, 0x2a,
0x72, 0xff, 0x3d, 0x8e, 0xdb, 0xbb, 0x2d, 0xe0,
0xbf, 0xa6, 0x7b, 0x13, 0x97, 0x4b, 0xb9, 0x91,
0x0d, 0x11, 0x6d, 0x5c, 0xbd, 0x86, 0x3e, 0x68,
}
// simNetGenesisMerkleRoot is the hash of the first transaction in the genesis
// block for the simulation test network. It is the same as the merkle root for
// the main network.
var simNetGenesisMerkleRoot = genesisMerkleRoot
// simNetGenesisBlock defines the genesis block of the block chain which serves
// as the public transaction ledger for the simulation test network.
var simNetGenesisBlock = btcwire.MsgBlock{
Header: btcwire.BlockHeader{
Version: 1,
PrevBlock: btcwire.ShaHash{}, // 0000000000000000000000000000000000000000000000000000000000000000
MerkleRoot: simNetGenesisMerkleRoot, // 4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b
Timestamp: time.Unix(1401292357, 0), // 2014-05-28 15:52:37 +0000 UTC
Bits: 0x207fffff, // 545259519 [7fffff0000000000000000000000000000000000000000000000000000000000]
Nonce: 2,
},
Transactions: []*btcwire.MsgTx{&genesisCoinbaseTx},
}

View file

@ -100,6 +100,36 @@ func TestTestNet3GenesisBlock(t *testing.T) {
}
}
// TestSimNetGenesisBlock tests the genesis block of the simulation test network
// for validity by checking the encoded bytes and hashes.
func TestSimNetGenesisBlock(t *testing.T) {
// Encode the genesis block to raw bytes.
var buf bytes.Buffer
err := btcnet.SimNetParams.GenesisBlock.Serialize(&buf)
if err != nil {
t.Fatalf("TestSimNetGenesisBlock: %v", err)
}
// Ensure the encoded block matches the expected bytes.
if !bytes.Equal(buf.Bytes(), simNetGenesisBlockBytes) {
t.Fatalf("TestSimNetGenesisBlock: Genesis block does not "+
"appear valid - got %v, want %v",
spew.Sdump(buf.Bytes()),
spew.Sdump(simNetGenesisBlockBytes))
}
// Check hash of the block against expected hash.
hash, err := btcnet.SimNetParams.GenesisBlock.BlockSha()
if err != nil {
t.Fatalf("BlockSha: %v", err)
}
if !btcnet.SimNetParams.GenesisHash.IsEqual(&hash) {
t.Fatalf("TestSimNetGenesisBlock: Genesis block hash does "+
"not appear valid - got %v, want %v", spew.Sdump(hash),
spew.Sdump(btcnet.SimNetParams.GenesisHash))
}
}
// genesisBlockBytes are the wire encoded bytes for the genesis block of the
// main network as of protocol version 60002.
var genesisBlockBytes = []byte{
@ -222,3 +252,44 @@ var testNet3GenesisBlockBytes = []byte{
0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d, 0x5f, /* |.Lp+k.._|*/
0xac, 0x00, 0x00, 0x00, 0x00, /* |.....| */
}
// simNetGenesisBlockBytes are the wire encoded bytes for the genesis block of
// the simulation test network as of protocol version 70002.
var simNetGenesisBlockBytes = []byte{
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
0x00, 0x00, 0x00, 0x00, 0x3b, 0xa3, 0xed, 0xfd, /* |....;...| */
0x7a, 0x7b, 0x12, 0xb2, 0x7a, 0xc7, 0x2c, 0x3e, /* |z{..z.,>| */
0x67, 0x76, 0x8f, 0x61, 0x7f, 0xc8, 0x1b, 0xc3, /* |gv.a....| */
0x88, 0x8a, 0x51, 0x32, 0x3a, 0x9f, 0xb8, 0xaa, /* |..Q2:...| */
0x4b, 0x1e, 0x5e, 0x4a, 0x45, 0x06, 0x86, 0x53, /* |K.^J)._I| */
0xff, 0xff, 0x7f, 0x20, 0x02, 0x00, 0x00, 0x00, /* |......+|| */
0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, /* |........| */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, /* |........| */
0xff, 0xff, 0x4d, 0x04, 0xff, 0xff, 0x00, 0x1d, /* |..M.....| */
0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54, /* |..EThe T| */
0x69, 0x6d, 0x65, 0x73, 0x20, 0x30, 0x33, 0x2f, /* |imes 03/| */
0x4a, 0x61, 0x6e, 0x2f, 0x32, 0x30, 0x30, 0x39, /* |Jan/2009| */
0x20, 0x43, 0x68, 0x61, 0x6e, 0x63, 0x65, 0x6c, /* | Chancel| */
0x6c, 0x6f, 0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, /* |lor on b| */
0x72, 0x69, 0x6e, 0x6b, 0x20, 0x6f, 0x66, 0x20, /* |rink of | */
0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, /* |second b| */
0x61, 0x69, 0x6c, 0x6f, 0x75, 0x74, 0x20, 0x66, /* |ailout f| */
0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73, /* |or banks| */
0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0xf2, 0x05, /* |........| */
0x2a, 0x01, 0x00, 0x00, 0x00, 0x43, 0x41, 0x04, /* |*....CA.| */
0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, /* |g....UH'| */
0x19, 0x67, 0xf1, 0xa6, 0x71, 0x30, 0xb7, 0x10, /* |.g..q0..| */
0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6, /* |\..(.9..| */
0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde, 0xb6, /* |yb...a..| */
0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, 0x38, 0xc4, /* |I..?L.8.| */
0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12, 0xde, /* |.U......| */
0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, /* |\8M....W| */
0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d, 0x5f, /* |.Lp+k.._|*/
0xac, 0x00, 0x00, 0x00, 0x00, /* |.....| */
}

View file

@ -30,6 +30,10 @@ var (
// can have for the test network (version 3). It is the value
// 2^224 - 1.
testNet3PowLimit = new(big.Int).Sub(new(big.Int).Lsh(bigOne, 224), bigOne)
// simNetPowLimit is the highest proof of work value a Bitcoin block
// can have for the simulation test network. It is the value 2^255 - 1.
simNetPowLimit = new(big.Int).Sub(new(big.Int).Lsh(bigOne, 255), bigOne)
)
// Checkpoint identifies a known good point in the block chain. Using
@ -220,6 +224,49 @@ var TestNet3Params = Params{
PrivateKeyID: 0xef,
}
// SimNetParams defines the network parameters for the simulation test Bitcoin
// network. This network is similar to the normal test network except it is
// intended for private use within a group of individuals doing simulation
// testing. The functionality is intended to differ in that the only nodes
// which are specifically specified are used to create the network rather than
// following normal discovery rules. This is important as otherwise it would
// just turn into another public testnet.
var SimNetParams = Params{
Name: "simnet",
Net: btcwire.SimNet,
DefaultPort: "18555",
// Chain parameters
GenesisBlock: &simNetGenesisBlock,
GenesisHash: &simNetGenesisHash,
PowLimit: simNetPowLimit,
PowLimitBits: 0x207fffff,
SubsidyHalvingInterval: 150,
ResetMinDifficulty: true,
// Checkpoints ordered from oldest to newest.
Checkpoints: nil,
// Reject version 1 blocks once a majority of the network has upgraded.
// 75% (75 / 100)
BlockV1RejectNumRequired: 75,
BlockV1RejectNumToCheck: 100,
// Ensure coinbase starts with serialized block heights for version 2
// blocks or newer once a majority of the network has upgraded.
// 51% (51 / 100)
CoinbaseBlockHeightNumRequired: 51,
CoinbaseBlockHeightNumToCheck: 100,
// Mempool parameters
RelayNonStdTxs: true,
// Encoding magics
PubKeyHashAddrID: 0x3f, // starts with S
ScriptHashAddrID: 0x7b, // starts with s
PrivateKeyID: 0x64, // starts with 4 (uncompressed) or F (compressed)
}
var (
// ErrDuplicateNet describes an error where the parameters for a Bitcoin
// network could not be set due to the network already being a standard
@ -233,11 +280,13 @@ var (
pubKeyHashAddrIDs = map[byte]struct{}{
MainNetParams.PubKeyHashAddrID: struct{}{},
TestNet3Params.PubKeyHashAddrID: struct{}{}, // shared with regtest
SimNetParams.PubKeyHashAddrID: struct{}{},
}
scriptHashAddrIDs = map[byte]struct{}{
MainNetParams.ScriptHashAddrID: struct{}{},
TestNet3Params.ScriptHashAddrID: struct{}{}, // shared with regtest
SimNetParams.ScriptHashAddrID: struct{}{},
}
)