diff --git a/tests/blocks/dash_mainnet_844898.json b/tests/blocks/dash_mainnet_844898.json
new file mode 100644
index 0000000..9ad7278
--- /dev/null
+++ b/tests/blocks/dash_mainnet_844898.json
@@ -0,0 +1,14 @@
+{
+  "hash": "000000000000001a5952db6d8dc23a66c5b1ec5f6f0aa7fd6502d166aaa51043",
+  "size": 240,
+  "height": 844898,
+  "merkleroot": "5d402f5522b68787ee725cd1ebf2d541a7c6714219c43f25c829928a4fc5f67c",
+  "tx": [
+    "5d402f5522b68787ee725cd1ebf2d541a7c6714219c43f25c829928a4fc5f67c"
+  ],
+  "time": 1522372979,
+  "nonce": 3726976657,
+  "bits": "193f7323",
+  "previousblockhash": "0000000000000028b3f68bcdfca0ce5fbc475c209438e6451e3424258f3ddcc4",
+  "block": "00000020c4dc3d8f2524341e45e63894205c47bc5fcea0fccd8bf6b328000000000000007cf6c54f8a9229c8253fc4194271c6a741d5f2ebd15c72ee8787b622552f405d7391bd5a23733f19912625de0101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff280362e40c174d696e656420627920416e74506f6f6c342e205abd9173e15500000000000001000000ffffffff022a7df809000000001976a914db75d18a2635ce7e4aa3bf533ba3e259f8a065d488ac237df809000000001976a9140b927640ec1f18218d956f16f776f2cd9534fe9e88ac00000000"
+}
diff --git a/tests/blocks/dash_testnet_2999.json b/tests/blocks/dash_testnet_2999.json
new file mode 100644
index 0000000..f533041
--- /dev/null
+++ b/tests/blocks/dash_testnet_2999.json
@@ -0,0 +1,14 @@
+{
+  "hash": "0000024bc3f4f4cb30d29827c13d921ad77d2c6072e586c7f60d83c2722cdcc5",
+  "size": 181,
+  "height": 2999,
+  "merkleroot": "657705283f2be7f2983ea63ebee1376b914e841678682581208bc9f5b717d29e",
+  "tx": [
+    "657705283f2be7f2983ea63ebee1376b914e841678682581208bc9f5b717d29e"
+  ],
+  "time": 1462856598,
+  "nonce": 653001,
+  "bits": "1e03ffff",
+  "previousblockhash": "0000022773abcf0506910b387c2a762dd214c1f24731e969cacfb106cc2841c6",
+  "block": "04000000c64128cc06b1cfca69e93147f2c114d22d762a7c380b910605cfab73270200009ed217b7f5c98b208125687816844e916b37e1be3ea63e98f2e72b3f28057765966b3157ffff031ec9f609000101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0502b70b0101ffffffff0100743ba40b000000232103c03100ab47041b06d4070af2febed0cadc811a88e690c8624149b1726b8c86b7ac00000000"
+}