Add BCA testnet support

contrib/Dockerfile

@@ -7,27 +7,27 @@ WORKDIR /usr/src/app
 
 # Install the libs needed by rocksdb (including development headers)
 RUN apt-get update \
-    && apt-get -y --no-install-recommends install \
-        librocksdb-dev libsnappy-dev libbz2-dev libz-dev liblz4-dev \
+    && apt-get -y --no-install-recommends install librocksdb-dev libsnappy-dev libbz2-dev libz-dev liblz4-dev \
     && rm -rf /var/lib/apt/lists/*
 
 RUN python -m venv venv \
-    && venv/bin/pip install --no-cache-dir e-x[rapidjson,rocksdb]==1.16.0
-
+    && venv/bin/pip install --no-cache-dir Cython==0.29.21 \
+    && venv/bin/pip install --no-cache-dir e-x==1.16.0 \
+    && venv/bin/pip install --no-cache-dir python-rapidjson==1.11 \
+    && venv/bin/pip install --no-cache-dir python-rocksdb==0.7.0
 
 FROM python:3.9.16-slim-bullseye
 
 # Install the libs needed by rocksdb (no development headers or statics)
 RUN apt-get update \
-    && apt-get -y --no-install-recommends install \
-        librocksdb6.11 libsnappy1v5 libbz2-1.0 zlib1g liblz4-1 \
+    && apt-get -y --no-install-recommends install librocksdb6.11 libsnappy1v5 libbz2-1.0 zlib1g liblz4-1 \
     && rm -rf /var/lib/apt/lists/*
 
-ENV SERVICES="tcp://:50001"
-ENV COIN=Bitcoin
-ENV DB_DIRECTORY=/var/lib/electrumx
-ENV DAEMON_URL="http://username:password@hostname:port/"
-ENV ALLOW_ROOT=true
+ENV HOME /data
+ENV DB_DIRECTORY=/data
+ENV SSL_CERTFILE ${DB_DIRECTORY}/electrumx.crt
+ENV SSL_KEYFILE ${DB_DIRECTORY}/electrumx.key
+ENV ALLOW_ROOT=1
 ENV DB_ENGINE=rocksdb
 ENV MAX_SEND=10000000
 ENV BANDWIDTH_UNIT_COST=50000
@@ -36,10 +36,13 @@ ENV CACHE_MB=2000
 WORKDIR /usr/src/app
 COPY --from=builder /usr/src/app .
 
-VOLUME /var/lib/electrumx
-
 RUN mkdir -p "$DB_DIRECTORY" && ulimit -n 1048576
 
+VOLUME ["/data"]
+
+WORKDIR /data
+RUN openssl req -newkey rsa:2048 -sha256 -nodes -x509 -days 365 -subj "/O=ElectrumX" -keyout electrumx.key -out electrumx.crt
+
 CMD ["/usr/src/app/venv/bin/python", "/usr/src/app/venv/bin/electrumx_server"]
 
 # build it with eg.: `docker build -t electrumx .`

electrumx/lib/coins.py

@@ -2314,6 +2314,9 @@ class BitcoinAtom(Coin):
     NET = "mainnet"
     P2PKH_VERBYTE = bytes.fromhex("17")
     P2SH_VERBYTES = (bytes.fromhex("0a"),)
+    WIF_BYTE = bytes.fromhex("80")
+    GENESIS_HASH = ('000000000019d6689c085ae165831e93'
+                    '4ff763ae46a2a6c172b3f1b60a8ce26f')
     STATIC_BLOCK_HEADERS = False
     DESERIALIZER = lib_tx.DeserializerBitcoinAtom
     HEADER_SIZE_POST_FORK = 84
@@ -2322,7 +2325,7 @@ class BitcoinAtom(Coin):
     TX_COUNT = 295158744
     TX_COUNT_HEIGHT = 589197
     TX_PER_BLOCK = 10
-    RPC_PORT = 9136
+    RPC_PORT = 7332
     REORG_LIMIT = 5000
 
     @classmethod
@@ -2345,6 +2348,22 @@ def block_header(cls, block, height):
         return deserializer.read_header(height, cls.BASIC_HEADER_SIZE)
 
 
+class BitcoinAtomTestnet(BitcoinAtom):
+    SHORTNAME = "tBCA"
+    NET = "testnet"
+    P2PKH_VERBYTE = bytes.fromhex("6f")
+    P2SH_VERBYTES = [bytes.fromhex("c4")]
+    WIF_BYTE = bytes.fromhex("ef")
+    GENESIS_HASH = ('000000000933ea01ad0ee984209779ba'
+                    'aec3ced90fa3f408719526f8d77f4943')
+    DESERIALIZER = lib_tx.DeserializerBitcoinAtomTestnet
+    TX_COUNT = 17128321
+    TX_COUNT_HEIGHT = 1334108
+    TX_PER_BLOCK = 3
+    RPC_PORT = 17332
+    PEER_DEFAULT_PORTS = {'t': '51001', 's': '51002'}
+
+
 class Decred(Coin):
     NAME = "Decred"
     SHORTNAME = "DCR"

electrumx/lib/tx.py

@@ -908,6 +908,10 @@ def read_header(self, height, static_header_size):
         return self._read_nbytes(header_len)
 
 
+class DeserializerBitcoinAtomTestnet(DeserializerBitcoinAtom):
+    FORK_BLOCK_HEIGHT = 1260000
+
+
 class DeserializerGroestlcoin(DeserializerSegWit):
     TX_HASH_FN = staticmethod(sha256)