# create transaction tx = CTransaction() tx.vin.append(txin) tx.vout.append(txout) tx.calc_sha256() print tx print "Transaction: ", tx.is_valid() print "hash: ", hex(tx.sha256) print "Hash: ", "0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b" block = CBlock() block.nVersion = 1 block.hashPrevBlock = 0 block.hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b block.nTime = 1231006505 block.nBits = 486604799 # 0x1d00ffff block.nNonce = 2083236893 block.vtx = [tx] block.calc_sha256() print "Calculated hash: ", hex(block.sha256) print " >>>>>>>>>>>>>>: ", "0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f" # #print block.is_valid() genesis = binascii.hexlify(block.serialize()) print "Version: ", genesis[:8] print "Previous block: ", genesis[8:72] print "Merkle root: ", genesis[72:136] print "Match : ", "3BA3EDFD7A7B12B27AC72C3E67768F617FC81BC3888A51323A9FB8AA4B1E5E4A" print "Time stamp: ", genesis[136:144]
# create transaction tx = CTransaction() tx.vin.append(txin) tx.vout.append(txout) tx.calc_sha256() #print tx #print "Transaction: ", tx.is_valid() #print "hash: ", hex(tx.sha256) #print "Hash: ", "0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b" block = CBlock() block.nVersion = 1 block.hashPrevBlock = 0 block.hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b block.nTime = 1231006505 block.nBits = 0x1f00ffff block.vtx = [tx] i = 0 #target = 6901641034498895230248057944249341782018790077074986006051269912821760 target = uint256_from_compact(block.nBits) print "Target: \t%064x" % target for i in xrange(1000000000000000): block.nNonce = i block.sha256 = None block.calc_sha256() calculated_hash = block.sha256 # print calculated_hash # time.sleep(1) if calculated_hash < target: print "Calculated hash: ", hex(block.sha256)
# create transaction tx = CTransaction() tx.vin.append(txin) tx.vout.append(txout) tx.calc_sha256() #print tx #print "Transaction: ", tx.is_valid() #print "hash: ", hex(tx.sha256) #print "Hash: ", "0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b" block = CBlock() block.nVersion = 1 block.hashPrevBlock = 0 block.hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b block.nTime = 1231006505 block.nBits = 0x1f00ffff block.vtx = [tx] i = 0 #target = 6901641034498895230248057944249341782018790077074986006051269912821760 target = uint256_from_compact(block.nBits) print "Target: \t%064x" % target for i in xrange(1000000000000000): block.nNonce = i block.sha256 = None block.calc_sha256() calculated_hash = block.sha256 # print calculated_hash # time.sleep(1) if calculated_hash < target:
# create transaction tx = CTransaction() tx.vin.append(txin) tx.vout.append(txout) tx.calc_sha256() #print tx #print "Transaction: ", tx.is_valid() #print "hash: ", hex(tx.sha256) #print "Hash: ", "0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b" block = CBlock() block.nVersion = 1 block.hashPrevBlock = 0 block.hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b block.nTime = 1231006505 block.nBits = 100728831 # 0x0600ffff block.vtx = [tx] i = 0 target = 6901641034498895230248057944249341782018790077074986006051269912821760 print target for i in xrange(10000000000): block.nNonce = i block.sha256 = None block.calc_sha256() calculated_hash = block.sha256 # print calculated_hash # time.sleep(1) if calculated_hash < target: print "Calculated hash: ", hex(block.sha256) break
from bitcoin.core import CBlock from bitcoin.core import CTxIn, CTxOut, CTransaction txin = CTxIn() txout = CTxOut() txin.scriptSig = 0x04FFFF001D0104455468652054696D65732030332F4A616E2F32303039204368616E63656C6C6F72206F6E206272696E6B206F66207365636F6E64206261696C6F757420666F722062616E6B73 txin.prevout = 0x0000000000000000000000000000000000000000000000000000000000000000FFFFFFFF print txin, txin.is_valid() tx.vout.nValue = 5000000000 tx.vout.scriptPubKey = 0x5F1DF16B2B704C8A578D0BBAF74D385CDE12C11EE50455F3C438EF4C3FBCF649B6DE611FEAE06279A60939E028A8D65C10B73071A6F16719274855FEB0FD8A6704 tx = CTransaction() tx.vin = [txin] tx.vout = [txout] """ tx.vout.scriptPubKey = 0x5F1DF16B2B704C8A578D0BBAF74D385CDE12C11EE50455F3C438EF4C3FBCF649B6DE611FEAE06279A60939E028A8D65C10B73071A6F16719274855FEB0FD8A6704 OP_CHECKSIG """ block = CBlock() block.nVersion = 1 block.hashPrevBlock = 0 block.hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b block.nTime = 1231006505 block.nBits = 0x1d00ffff block.nNonce = 2083236893 block.vtx = [tx] block.sha256 = 0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f print block.is_valid()
# create transaction tx = CTransaction() tx.vin.append(txin) tx.vout.append(txout) tx.calc_sha256() #print tx #print "Transaction: ", tx.is_valid() #print "hash: ", hex(tx.sha256) #print "Hash: ", "0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b" block = CBlock() block.nVersion = 1 block.hashPrevBlock = 0 block.hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b block.nTime = 1231006505 block.nBits = 100728831 # 0x0600ffff block.vtx = [tx] i = 0 target = 6901641034498895230248057944249341782018790077074986006051269912821760 print target for i in xrange(10000000000): block.nNonce = i block.sha256 = None block.calc_sha256() calculated_hash = block.sha256 # print calculated_hash # time.sleep(1) if calculated_hash < target: print "Calculated hash: ", hex(block.sha256)