added scrypt PoW support

Dajiban · Dec 13, 2017 · c01ff88 · c01ff88
1 parent 676247b
commit c01ff88
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/BRMerkleBlock.c b/BRMerkleBlock.c
@@ -123,6 +123,7 @@ BRMerkleBlock *BRMerkleBlockParse(const uint8_t *buf, size_t bufLen)
         }
 
         BRSHA256_2(&block->blockHash, buf, 80);
+        BRScrypt(&block->powHash, sizeof(block->powHash), buf, 80, buf, 80, 1024, 1, 1);
     }
 
     return block;
@@ -290,11 +291,11 @@ int BRMerkleBlockIsValid(const BRMerkleBlock *block, uint32_t currentTime)
     else UInt32SetLE(t.u8, target >> (3 - size)*8);
 
     for (int i = sizeof(t) - 1; r && i >= 0; i--) { // check proof-of-work
-        if (block->blockHash.u8[i] < t.u8[i]) break;
-        if (block->blockHash.u8[i] > t.u8[i]) {
+        if (block->powHash.u8[i] < t.u8[i]) break;
+        if (block->powHash.u8[i] > t.u8[i]) {
             r = 0;
 
-            digi_log("invalid blockHash[%d]: %x - %x", i, block->blockHash.u8[i], t.u8[i]);
+            digi_log("invalid blockHash[%d]: %x - %x", i, block->powHash.u8[i], t.u8[i]);
         }
     }
 

diff --git a/BRMerkleBlock.h b/BRMerkleBlock.h
@@ -50,6 +50,7 @@ extern "C" {
 
 typedef struct {
     UInt256 blockHash;
+    UInt256 powHash;
     uint32_t version;
     UInt256 prevBlock;
     UInt256 merkleRoot;