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consensus.bip
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atom type Orderer()
data int NETWORK_VIEW
data int PRIMARY_NODE
data int MAX_NODES
data int BLOCK
data int id
port Port_t p0()
port Port_t p1()
export port Port_elected sendElected(PRIMARY_NODE, NETWORK_VIEW)
export port Port_blockreader sendBlock(BLOCK)
export port Port_faulty sendFaulty( )
place START, START1,ELECT, BLOCKNEW, END, FAULTY
initial to START do {
NETWORK_VIEW =0;
PRIMARY_NODE =0;
MAX_NODES =3;
BLOCK = readBlock();
id=0;
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on sendFaulty from START to FAULTY do{
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
printf("ORDERER : FAILURE DETECTED FOR BLOCK %f \n", BLOCK); }
on p0 from FAULTY to START provided (NETWORK_VIEW >= MAX_NODES-1) do{
NETWORK_VIEW = NETWORK_VIEW+1;
PRIMARY_NODE = modulo( NETWORK_VIEW, (MAX_NODES) );
BLOCK = readBlock();
printf("var int PRIMARY_NODE %f\n", PRIMARY_NODE);
printf("var int NETWORK_VIEW %f\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on p1 from FAULTY to START provided (NETWORK_VIEW < MAX_NODES-1) do{
PRIMARY_NODE = PRIMARY_NODE +1 ;
NETWORK_VIEW = NETWORK_VIEW +1 ;
BLOCK = readBlock();
printf("var int PRIMARY_NODE %f\n", PRIMARY_NODE);
printf("var int NETWORK_VIEW %f\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on sendElected from START to BLOCKNEW do{
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
printf("var int BLOCK %f IS AVAILABLE \n", BLOCK); }
on sendBlock from BLOCKNEW to START do{
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
end
//connector
connector type ElectionTransmitter(Port_elected orderer, Port_elected peer0, Port_elected peer1, Port_elected peer2)
define orderer peer0 peer1 peer2
on orderer peer0 peer1 peer2 down { peer0.PRIMARY_NODE = orderer.PRIMARY_NODE; peer0.NETWORK_VIEW = orderer.NETWORK_VIEW;
peer1.PRIMARY_NODE = orderer.PRIMARY_NODE; peer1.NETWORK_VIEW = orderer.NETWORK_VIEW;
peer2.PRIMARY_NODE = orderer.PRIMARY_NODE; peer2.NETWORK_VIEW = orderer.NETWORK_VIEW;
}
end
//connector
connector type BlockTransmitter(Port_blockreader orderer, Port_blockreader peer0, Port_blockreader peer1, Port_blockreader peer2)
define orderer peer0' peer1' peer2'
on peer0 orderer down { peer0.BLOCK = orderer.BLOCK; }
on peer1 orderer down { peer1.BLOCK = orderer.BLOCK; }
on peer2 orderer down { peer2.BLOCK = orderer.BLOCK; }
end
//connector preprepare
connector type MessagePreprepare(Port_preprepare sender, Port_preprepare receiver0, Port_preprepare receiver1)
define sender receiver0 receiver1
on sender receiver0 receiver1 down {receiver0.BLOCK = sender.BLOCK; receiver1.BLOCK = sender.BLOCK; }
end
//connector prepare
connector type MessagePrepare(Port_prepare sender, Port_prepare receiver0, Port_prepare receiver1)
define sender receiver0 receiver1
on sender receiver0 receiver1 down { }
end
//connector prepare
connector type MessageCommit(Port_commit sender, Port_commit receiver0, Port_commit receiver1)
define sender receiver0 receiver1
on sender receiver0 receiver1 down { }
end
//connector reply
connector type MessageReply(Port_reply sender, Port_reply receiver0 , Port_reply receiver1)
define sender receiver0 receiver1
on sender receiver0 receiver1 down { }
end
//connector view change
connector type MessageViewChange(Port_viewchange sender, Port_viewchange receiver0, Port_viewchange receiver1)
define sender receiver0 receiver1
on sender receiver0 receiver1 down { }
end
//connector faulty
connector type MessageFaulty(Port_faulty orderer, Port_faulty peer0, Port_faulty peer1 , Port_faulty peer2)
define orderer peer0 peer1 peer2
on orderer peer0 peer1 peer2 down { }
end
//PEER DEFINITION
atom type Peer(int id)
data int PEER_ID
data int PRIMARY_NODE
data int NETWORK_VIEW
data int BLOCK
data int RECEIVEDPREPARE
data int QUORUM
data int SENDPREPARE
data int SENDCOMMIT
data int RECEIVEDCOMMIT
data int CHECKED
data int CHANGEVIEW
data int RECEIVEDCHANGEVIEW
export port Port_elected receiveElected(PRIMARY_NODE, NETWORK_VIEW)
export port Port_blockreader receiveBlock(BLOCK)
export port Port_preprepare sendPreprepare (BLOCK)
export port Port_preprepare receivePreprepare (BLOCK)
export port Port_prepare sendPrepare ( )
export port Port_prepare receivePrepare ( )
export port Port_commit sendCommit ( )
export port Port_commit receiveCommit ( )
export port Port_reply sendReply ( )
export port Port_reply receiveReply ( )
export port Port_faulty sendFaulty( )
export port Port_viewchange sendViewChange()
export port Port_viewchange receiveViewChange()
port Port_t p0()
port Port_t p1()
port Port_t p2()
port Port_t p3()
port Port_t p4()
port Port_t p5()
place START, CHECKELECTED, ELECTED, END, BLOCKNEW, PREPREPARE, PREPARE, CHECKING, CHECKINGVALID, COMMITTING, FINISHED, VIEWCHANGE
initial to START do { PEER_ID = id; RECEIVEDPREPARE = 0; QUORUM=2; SENDPREPARE=0;SENDCOMMIT=0; RECEIVEDCOMMIT=0; CHANGEVIEW=0; RECEIVEDCHANGEVIEW=0;}
on receiveElected from START to CHECKELECTED do{
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on p0 from CHECKELECTED to ELECTED provided (PEER_ID ==PRIMARY_NODE) do { printf("var int PEER_ID %f IS ELECTED\n", PEER_ID);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on receiveBlock from ELECTED to BLOCKNEW do { printf("var int BLOCK %f IS RECEIVED IN PRIMARY_NODE \n", BLOCK);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on sendPreprepare from BLOCKNEW to PREPARE do {printf("var int PEER %f IS SENDING PREPREPARE MESSAGE\n", PEER_ID); /////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on p1 from CHECKELECTED to PREPREPARE provided (PEER_ID !=PRIMARY_NODE) do { /////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on receivePreprepare from PREPREPARE to PREPARE do
{printf("var int PEER %f IS RECEIVING PREPREPARE MESSAGE\n", PEER_ID);
printf("var int BLOCK %f IS RECEIVED IN BACKUP PEER %f\n", BLOCK, PEER_ID ); /////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on sendPrepare from PREPARE to PREPARE provided (SENDPREPARE==0) do { printf("var int PEER %f IS SENDING PREPARE MESSAGE\n", PEER_ID); SENDPREPARE=1; /////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on receivePrepare from PREPARE to PREPARE provided (RECEIVEDPREPARE<QUORUM) do { printf("var int PEER %f IS RECEIVING PREPARE MESSAGE\n", PEER_ID);
RECEIVEDPREPARE = RECEIVEDPREPARE +1;
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on p2 from PREPARE to CHECKING provided (RECEIVEDPREPARE>=QUORUM && SENDPREPARE==1 ) do{ CHECKED = checkBlock(BLOCK);
printf("var int PEER %d IS CHECKING BLOCK %d WITH VALUE EQUALS %d \n", PEER_ID, BLOCK, CHECKED );
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on p3 from CHECKING to VIEWCHANGE provided (CHECKED==0) do{
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on p4 from CHECKING to COMMITTING provided (CHECKED==1) do{
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
//COMMIT
on sendCommit from COMMITTING to COMMITTING provided (SENDCOMMIT==0) do { printf("var int PEER %f IS SENDING COMMIT MESSAGE\n", PEER_ID); SENDCOMMIT=1;
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on receiveCommit from COMMITTING to COMMITTING provided (RECEIVEDCOMMIT<QUORUM) do { RECEIVEDCOMMIT = RECEIVEDCOMMIT +1; printf("var int PEER %f IS RECEIVING COMMIT MESSAGE\n", PEER_ID);
printf("var int PEER %d RECEIVEDCOMMIT %d QUORUM %d \n", PEER_ID, RECEIVEDCOMMIT, QUORUM);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
//REPLY
on sendReply from COMMITTING to FINISHED provided (RECEIVEDCOMMIT>=QUORUM && SENDCOMMIT==1 && PEER_ID !=PRIMARY_NODE ) do { printf("var int PEER %f IS SENDING REPLY MESSAGE\n", PEER_ID);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on receiveReply from COMMITTING to FINISHED provided (RECEIVEDCOMMIT>=QUORUM && SENDCOMMIT==1 && PEER_ID ==PRIMARY_NODE ) do { printf("var int PEER %f IS RECEIVING REPLY MESSAGE\n", PEER_ID);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
//VIEWCHANGE
on sendViewChange from VIEWCHANGE to VIEWCHANGE provided (CHANGEVIEW== 0) do { printf("var int PEER %f IS SENDING VIEW CHANGE\n", PEER_ID); CHANGEVIEW=1;
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on receiveViewChange from VIEWCHANGE to VIEWCHANGE provided (RECEIVEDCHANGEVIEW<QUORUM) do { RECEIVEDCHANGEVIEW = RECEIVEDCHANGEVIEW +1; printf("var int PEER %f IS RECEIVING CHANGEVIEW MESSAGE\n", PEER_ID);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
on sendFaulty from VIEWCHANGE to START provided (RECEIVEDCHANGEVIEW>=QUORUM && CHANGEVIEW==1) do {printf("var int PEER %f IS SENDING FAULTY BLOCK COMMITTMENT\n", PEER_ID);
SENDCOMMIT=0;
RECEIVEDCHANGEVIEW =0;
CHANGEVIEW=0;
RECEIVEDCOMMIT =0;
CHECKED=0;
RECEIVEDPREPARE = 0;
SENDPREPARE=0;
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.elected %d\n", PRIMARY_NODE);
/////////////////////////////////////////////////////////////////////////////////
printf("var int c.view %d\n", NETWORK_VIEW);
/////////////////////////////////////////////////////////////////////////////////
}
end
compound type Compound()
component Orderer orderer( )
component Peer peer0(0)
component Peer peer1(1)
component Peer peer2(2)
connector ElectionTransmitter election (orderer.sendElected, peer0.receiveElected, peer1.receiveElected, peer2.receiveElected)
connector BlockTransmitter block_transmitter (orderer.sendBlock, peer0.receiveBlock, peer1.receiveBlock , peer2.receiveBlock)
connector MessagePreprepare mess_preprepare012 (peer0.sendPreprepare, peer1.receivePreprepare, peer2.receivePreprepare )
connector MessagePreprepare mess_preprepare102 (peer1.sendPreprepare, peer0.receivePreprepare, peer2.receivePreprepare )
connector MessagePreprepare mess_preprepare210 (peer2.sendPreprepare, peer0.receivePreprepare, peer1.receivePreprepare )
connector MessagePrepare mess_prepare012 (peer0.sendPrepare, peer1.receivePrepare , peer2.receivePrepare)
connector MessagePrepare mess_prepare102 (peer1.sendPrepare, peer0.receivePrepare , peer2.receivePrepare )
connector MessagePrepare mess_prepare210 (peer2.sendPrepare, peer0.receivePrepare , peer1.receivePrepare )
connector MessageCommit mess_commit012 (peer0.sendCommit, peer1.receiveCommit, peer2.receiveCommit )
connector MessageCommit mess_commit102 (peer1.sendCommit, peer0.receiveCommit, peer2.receiveCommit )
connector MessageCommit mess_commit210 (peer2.sendCommit, peer0.receiveCommit, peer1.receiveCommit )
connector MessageReply mess_reply012 (peer0.receiveReply, peer1.sendReply, peer2.sendReply)
connector MessageReply mess_reply102 (peer1.receiveReply, peer0.sendReply, peer2.sendReply)
connector MessageReply mess_reply210 (peer2.receiveReply, peer0.sendReply, peer1.sendReply)
connector MessageViewChange mess_viewchange012 (peer0.sendViewChange, peer1.receiveViewChange, peer2.receiveViewChange)
connector MessageViewChange mess_viewchange102 (peer1.sendViewChange, peer0.receiveViewChange, peer2.receiveViewChange)
connector MessageViewChange mess_viewchange210 (peer2.sendViewChange, peer0.receiveViewChange, peer1.receiveViewChange)
connector MessageFaulty mess_faulty(orderer.sendFaulty, peer0.sendFaulty, peer1.sendFaulty, peer2.sendFaulty)
end