Add Denarius (DNR) (#396)

* Added DNR

With tests

.travis.yml

@@ -17,6 +17,7 @@ install:
   - pip install ecdsa
   - pip install plyvel
   - pip install pyrocksdb
+  - pip install tribus-hash
   - pip install pytest-cov
 # command to run tests
 script: pytest --cov=server --cov=lib --cov=wallet

lib/coins.py

@@ -1232,6 +1232,45 @@ class CanadaeCoin(AuxPowMixin, Coin):
     TX_PER_BLOCK = 1
     RPC_PORT = 34330
     REORG_LIMIT = 1000
+	
+class Denarius(Coin):
+    NAME = "Denarius"
+    SHORTNAME = "DNR"
+    NET = "mainnet"
+    XPUB_VERBYTES = bytes.fromhex("0488b21e")
+    XPRV_VERBYTES = bytes.fromhex("0488ade4")
+    P2PKH_VERBYTE = bytes.fromhex("1E") #Address starts with a D
+    P2SH_VERBYTES = [bytes.fromhex("5A")]
+    WIF_BYTE = bytes.fromhex("9E") #WIF starts with a 6
+    GENESIS_HASH = ('00000d5dbbda01621cfc16bbc1f9bf32'
+                    '64d641a5dbf0de89fd0182c2c4828fcd')
+    DESERIALIZER = lib_tx.DeserializerTxTime
+    TX_COUNT = 4230
+    RPC_PORT = 32339
+    ESTIMATE_FEE = 0.00001
+    RELAY_FEE = 0.00001
+    DAEMON = daemon.FakeEstimateFeeDaemon
+    TX_COUNT_HEIGHT = 306187
+    TX_PER_BLOCK = 4000
+    
+    @classmethod
+    def header_hash(cls, header):
+        '''Given a header return the hash.'''
+        import tribus_hash
+        return tribus_hash.getPoWHash(header)
+
+
+class DenariusTestnet(Denarius):
+    NET = "testnet"
+    XPUB_VERBYTES = bytes.fromhex("043587cf")
+    XPRV_VERBYTES = bytes.fromhex("04358394")
+    P2PKH_VERBYTE = bytes.fromhex("12")
+    P2SH_VERBYTES = [bytes.fromhex("74")]
+    WIF_BYTE = bytes.fromhex("ef")
+    GENESIS_HASH = ('000086bfe8264d241f7f8e5393f74778'
+                    '4b8ca2aa98bdd066278d590462a4fdb4')
+    RPC_PORT = 32338
+    REORG_LIMIT = 2000
 
 
 class Sibcoin(Dash):

setup.py

@@ -9,6 +9,7 @@ setuptools.setup(
     python_requires='>=3.6',
     # via environment variables, in which case I've tested with 15.0.4
     # "x11_hash" package (1.4) is required to sync DASH network.
+    # "tribus_hash" package is required to sync Denarius network.
     install_requires=['plyvel', 'pylru', 'aiohttp >= 1'],
     packages=setuptools.find_packages(exclude=['tests']),
     description='ElectrumX Server',

tests/blocks/denarius_mainnet_10000.json

@@ -0,0 +1,14 @@
+{
+  "hash": "00000000058989f94843c6047bdf72b3f37f62055354c5ff859e28bb0b5282b9",
+  "size": 204,
+  "height": 10000,
+  "merkleroot": "65841bbf5c89ed2def56d4ef505ee1f680fd66028613e372ae7355f09b646a58",
+  "tx": [
+        "65841bbf5c89ed2def56d4ef505ee1f680fd66028613e372ae7355f09b646a58"
+  ],
+  "time" : 1497949464,
+  "nonce" : 1484027400,
+  "bits" : "1c073cc2",
+  "previousblockhash": "0000000003db0426bcd14ad568df783dceaa1ad5def62d347fe6ef8d77c40a44",
+  "block": "06000000440ac4778defe67f342df6ded51aaace3d78df68d54ad1bc2604db0300000000586a649bf05573ae72e313860266fd80f6e15e50efd456ef2ded895cbf1b846518e54859c23c071c08767458010200000018e54859010000000000000000000000000000000000000000000000000000000000000000ffffffff170210270418e54859088100000a000000007969696d7000000000000100a3e11100000000232102ae784442221c0d8cc1db36d90ed2051bb08cb984575e8de3e57ddc209ef8b0a5ac0000000000"
+}