Added Ritocoin (#849)

.travis.yml

@@ -36,6 +36,7 @@ install:
   - pip install x16r_hash
   - pip install pycryptodomex
   - pip install git+https://github.com/Electra-project/nist5_hash
+  - pip install git+https://github.com/RitoProject/x21s_hash
   - pip install bell-yespower
 # command to run tests
 script:

electrumx/lib/coins.py

@@ -2882,6 +2882,32 @@ class Bitsend(Coin):
         return header + bytes(1)
 
 
+class Ritocoin(Coin):
+    NAME = "Ritocoin"
+    SHORTNAME = "RITO"
+    NET = "mainnet"
+    XPUB_VERBYTES = bytes.fromhex("0534E7CA")
+    XPRV_VERBYTES = bytes.fromhex("05347EAC")
+    P2PKH_VERBYTE = bytes.fromhex("19")
+    P2SH_VERBYTES = [bytes.fromhex("69")]
+    GENESIS_HASH = ('00000075e344bdf1c0e433f453764b18'
+                    '30a7aa19b2a5213e707502a22b779c1b')
+    DESERIALIZER = lib_tx.DeserializerSegWit
+    TX_COUNT = 1188090
+    TX_COUNT_HEIGHT = 296030
+    TX_PER_BLOCK = 3
+    RPC_PORT = 8766
+    REORG_LIMIT = 55
+    PEERS = [
+        'electrum-rito.minermore.com s t'
+    ]
+    @classmethod
+    def header_hash(cls, header):
+        '''Given a header return the hash.'''
+        import x21s_hash
+        return x21s_hash.getPoWHash(header)
+
+
 class Ravencoin(Coin):
     NAME = "Ravencoin"
     SHORTNAME = "RVN"

tests/blocks/ritocoin_mainnet_250000.json

@@ -0,0 +1,23 @@
+{
+  "hash": "0000000000fa8ca8bbc8d2a5c43221bbbd23868d128fb6f942ea79f4fb8fb3f7",
+  "confirmations": 1,
+  "strippedsize": 279,
+  "size": 315,
+  "weight": 1152,
+  "height": 296039,
+  "version": 805306369,
+  "versionHex": "30000001",
+  "merkleroot": "e428c003c3d8660cabb891c1da141283a1a0045353786a7e7c809ef7fc5ff77b",
+  "tx": [
+    "e428c003c3d8660cabb891c1da141283a1a0045353786a7e7c809ef7fc5ff77b"
+  ],
+  "time": 1561402552,
+  "mediantime": 1561402193,
+  "nonce": 3796686866,
+  "bits": "1c022450",
+  "difficulty": 119.5212584064744,
+  "chainwork": "0000000000000000000000000000000000000000000000000842199d62c03de2",
+  "previousblockhash": "00000000007dc528b4381ca868349627fd9e6d89f71607ab075f572448ed4a49",
+  "nextblockhash": "0000000001875011ab354686523fe37786d417bf53efd7b09448bed928a74bd6",
+  "block": "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"
+}