Add params for new simulation testing network.
ok @jrick
This commit is contained in:
Dave Collins
parent
218f8df5ba
commit
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3 changed files with 148 additions and 0 deletions
28
genesis.go
28
genesis.go
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@ -140,3 +140,31 @@ var testNet3GenesisBlock = btcwire.MsgBlock{
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},
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Transactions: []*btcwire.MsgTx{&genesisCoinbaseTx},
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}
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// simNetGenesisHash is the hash of the first block in the block chain for the
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// simulation test network.
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var simNetGenesisHash = btcwire.ShaHash{
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0xf6, 0x7a, 0xd7, 0x69, 0x5d, 0x9b, 0x66, 0x2a,
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0x72, 0xff, 0x3d, 0x8e, 0xdb, 0xbb, 0x2d, 0xe0,
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0xbf, 0xa6, 0x7b, 0x13, 0x97, 0x4b, 0xb9, 0x91,
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0x0d, 0x11, 0x6d, 0x5c, 0xbd, 0x86, 0x3e, 0x68,
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}
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// simNetGenesisMerkleRoot is the hash of the first transaction in the genesis
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// block for the simulation test network. It is the same as the merkle root for
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// the main network.
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var simNetGenesisMerkleRoot = genesisMerkleRoot
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// simNetGenesisBlock defines the genesis block of the block chain which serves
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// as the public transaction ledger for the simulation test network.
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var simNetGenesisBlock = btcwire.MsgBlock{
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Header: btcwire.BlockHeader{
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Version: 1,
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PrevBlock: btcwire.ShaHash{}, // 0000000000000000000000000000000000000000000000000000000000000000
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MerkleRoot: simNetGenesisMerkleRoot, // 4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b
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Timestamp: time.Unix(1401292357, 0), // 2014-05-28 15:52:37 +0000 UTC
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Bits: 0x207fffff, // 545259519 [7fffff0000000000000000000000000000000000000000000000000000000000]
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Nonce: 2,
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},
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Transactions: []*btcwire.MsgTx{&genesisCoinbaseTx},
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}
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@ -100,6 +100,36 @@ func TestTestNet3GenesisBlock(t *testing.T) {
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}
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}
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// TestSimNetGenesisBlock tests the genesis block of the simulation test network
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// for validity by checking the encoded bytes and hashes.
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func TestSimNetGenesisBlock(t *testing.T) {
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// Encode the genesis block to raw bytes.
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var buf bytes.Buffer
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err := btcnet.SimNetParams.GenesisBlock.Serialize(&buf)
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if err != nil {
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t.Fatalf("TestSimNetGenesisBlock: %v", err)
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}
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// Ensure the encoded block matches the expected bytes.
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if !bytes.Equal(buf.Bytes(), simNetGenesisBlockBytes) {
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t.Fatalf("TestSimNetGenesisBlock: Genesis block does not "+
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"appear valid - got %v, want %v",
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spew.Sdump(buf.Bytes()),
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spew.Sdump(simNetGenesisBlockBytes))
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}
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// Check hash of the block against expected hash.
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hash, err := btcnet.SimNetParams.GenesisBlock.BlockSha()
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if err != nil {
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t.Fatalf("BlockSha: %v", err)
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}
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if !btcnet.SimNetParams.GenesisHash.IsEqual(&hash) {
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t.Fatalf("TestSimNetGenesisBlock: Genesis block hash does "+
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"not appear valid - got %v, want %v", spew.Sdump(hash),
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spew.Sdump(btcnet.SimNetParams.GenesisHash))
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}
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}
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// genesisBlockBytes are the wire encoded bytes for the genesis block of the
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// main network as of protocol version 60002.
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var genesisBlockBytes = []byte{
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@ -222,3 +252,44 @@ var testNet3GenesisBlockBytes = []byte{
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0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d, 0x5f, /* |.Lp+k.._|*/
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0xac, 0x00, 0x00, 0x00, 0x00, /* |.....| */
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}
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// simNetGenesisBlockBytes are the wire encoded bytes for the genesis block of
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// the simulation test network as of protocol version 70002.
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var simNetGenesisBlockBytes = []byte{
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0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
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0x00, 0x00, 0x00, 0x00, 0x3b, 0xa3, 0xed, 0xfd, /* |....;...| */
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0x7a, 0x7b, 0x12, 0xb2, 0x7a, 0xc7, 0x2c, 0x3e, /* |z{..z.,>| */
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0x67, 0x76, 0x8f, 0x61, 0x7f, 0xc8, 0x1b, 0xc3, /* |gv.a....| */
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0x88, 0x8a, 0x51, 0x32, 0x3a, 0x9f, 0xb8, 0xaa, /* |..Q2:...| */
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0x4b, 0x1e, 0x5e, 0x4a, 0x45, 0x06, 0x86, 0x53, /* |K.^J)._I| */
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0xff, 0xff, 0x7f, 0x20, 0x02, 0x00, 0x00, 0x00, /* |......+|| */
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0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, /* |........| */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |........| */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, /* |........| */
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0xff, 0xff, 0x4d, 0x04, 0xff, 0xff, 0x00, 0x1d, /* |..M.....| */
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0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54, /* |..EThe T| */
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0x69, 0x6d, 0x65, 0x73, 0x20, 0x30, 0x33, 0x2f, /* |imes 03/| */
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0x4a, 0x61, 0x6e, 0x2f, 0x32, 0x30, 0x30, 0x39, /* |Jan/2009| */
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0x20, 0x43, 0x68, 0x61, 0x6e, 0x63, 0x65, 0x6c, /* | Chancel| */
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0x6c, 0x6f, 0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, /* |lor on b| */
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0x72, 0x69, 0x6e, 0x6b, 0x20, 0x6f, 0x66, 0x20, /* |rink of | */
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0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, /* |second b| */
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0x61, 0x69, 0x6c, 0x6f, 0x75, 0x74, 0x20, 0x66, /* |ailout f| */
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0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73, /* |or banks| */
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0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0xf2, 0x05, /* |........| */
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0x2a, 0x01, 0x00, 0x00, 0x00, 0x43, 0x41, 0x04, /* |*....CA.| */
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0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, /* |g....UH'| */
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0x19, 0x67, 0xf1, 0xa6, 0x71, 0x30, 0xb7, 0x10, /* |.g..q0..| */
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0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6, /* |\..(.9..| */
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0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde, 0xb6, /* |yb...a..| */
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0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, 0x38, 0xc4, /* |I..?L.8.| */
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0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12, 0xde, /* |.U......| */
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0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, /* |\8M....W| */
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0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d, 0x5f, /* |.Lp+k.._|*/
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0xac, 0x00, 0x00, 0x00, 0x00, /* |.....| */
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}
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49
params.go
49
params.go
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@ -30,6 +30,10 @@ var (
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// can have for the test network (version 3). It is the value
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// 2^224 - 1.
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testNet3PowLimit = new(big.Int).Sub(new(big.Int).Lsh(bigOne, 224), bigOne)
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// simNetPowLimit is the highest proof of work value a Bitcoin block
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// can have for the simulation test network. It is the value 2^255 - 1.
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simNetPowLimit = new(big.Int).Sub(new(big.Int).Lsh(bigOne, 255), bigOne)
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)
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// Checkpoint identifies a known good point in the block chain. Using
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@ -220,6 +224,49 @@ var TestNet3Params = Params{
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PrivateKeyID: 0xef,
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}
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// SimNetParams defines the network parameters for the simulation test Bitcoin
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// network. This network is similar to the normal test network except it is
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// intended for private use within a group of individuals doing simulation
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// testing. The functionality is intended to differ in that the only nodes
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// which are specifically specified are used to create the network rather than
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// following normal discovery rules. This is important as otherwise it would
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// just turn into another public testnet.
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var SimNetParams = Params{
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Name: "simnet",
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Net: btcwire.SimNet,
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DefaultPort: "18555",
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// Chain parameters
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GenesisBlock: &simNetGenesisBlock,
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GenesisHash: &simNetGenesisHash,
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PowLimit: simNetPowLimit,
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PowLimitBits: 0x207fffff,
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SubsidyHalvingInterval: 150,
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ResetMinDifficulty: true,
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// Checkpoints ordered from oldest to newest.
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Checkpoints: nil,
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// Reject version 1 blocks once a majority of the network has upgraded.
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// 75% (75 / 100)
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BlockV1RejectNumRequired: 75,
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BlockV1RejectNumToCheck: 100,
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// Ensure coinbase starts with serialized block heights for version 2
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// blocks or newer once a majority of the network has upgraded.
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// 51% (51 / 100)
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CoinbaseBlockHeightNumRequired: 51,
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CoinbaseBlockHeightNumToCheck: 100,
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// Mempool parameters
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RelayNonStdTxs: true,
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// Encoding magics
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PubKeyHashAddrID: 0x3f, // starts with S
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ScriptHashAddrID: 0x7b, // starts with s
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PrivateKeyID: 0x64, // starts with 4 (uncompressed) or F (compressed)
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}
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var (
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// ErrDuplicateNet describes an error where the parameters for a Bitcoin
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// network could not be set due to the network already being a standard
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@ -233,11 +280,13 @@ var (
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pubKeyHashAddrIDs = map[byte]struct{}{
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MainNetParams.PubKeyHashAddrID: struct{}{},
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TestNet3Params.PubKeyHashAddrID: struct{}{}, // shared with regtest
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SimNetParams.PubKeyHashAddrID: struct{}{},
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}
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scriptHashAddrIDs = map[byte]struct{}{
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MainNetParams.ScriptHashAddrID: struct{}{},
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TestNet3Params.ScriptHashAddrID: struct{}{}, // shared with regtest
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SimNetParams.ScriptHashAddrID: struct{}{},
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}
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)
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