if createnode.i_am.currentblock.translist[i].hash == None: print "" print "not yet...." break # else we need to propose the current block after solving proof of work proof_of_work.proofofwork(createnode.i_am.currentblock) print "" print "Proof of work has been solved!" # convert the current block to file block.blocktofile(createnode.i_am.currentblock,"blocktopropose.txt") print "" print "Current block is ready to be proposed!" ##################### # to attach the block to the blockchain treestruct.addblock(createnode.i_am.currentblock, createnode.i_am) ''' t = transaction.transaction(1,2) t.sign = "teacher1sign" t.hash = 12360 t.inlist[0].hash = "12350" t.inlist[0].n = 0 t.inlist[0].sign = "signghf" t.inlist[0].pub = createnode.student5publickey t.outlist[0].value = 4 t.outlist[0].addr = createnode.student5publickey t.outlist[1].value = 6 t.outlist[1].addr = createnode.student3publickey result = t.validatetrans(createnode.i_am)
t1.outlist = [transaction.outputtrans() for i in range (t1.outcount)] t1.outlist[0].value = transaction.transaction(0,0).STAR t1.outlist[0].addr = teacher2publickey i_am.blockhead.propblock.add_trans_to_block(t1) t1 = transaction.transaction(0,1) t1.sign = "signadmin" t1.hash = "102" t1.outlist = [transaction.outputtrans() for i in range (t1.outcount)] t1.outlist[0].value = transaction.transaction(0,0).STAR t1.outlist[0].addr = teacher3publickey i_am.blockhead.propblock.add_trans_to_block(t1) t1 = transaction.transaction(0,1) t1.sign = "signadmin" t1.hash = "103" t1.outlist = [transaction.outputtrans() for i in range (t1.outcount)] t1.outlist[0].value = transaction.transaction(0,0).STAR t1.outlist[0].addr = teacher4publickey i_am.blockhead.propblock.add_trans_to_block(t1) t1 = transaction.transaction(0,1) t1.sign = "signadmin" t1.hash = "104" t1.outlist = [transaction.outputtrans() for i in range (t1.outcount)] t1.outlist[0].value = transaction.transaction(0,0).STAR t1.outlist[0].addr = teacher5publickey i_am.blockhead.propblock.add_trans_to_block(t1) treestruct.addblock(i_am.blockhead.propblock, i_am)
