private BoogieStmtList CreateBodyOfSend(List <BoogieVariable> inParams, List <BoogieVariable> outParams, string fbProcName)
{
var fromIdExp = new BoogieIdentifierExpr(inParams[0].Name);
var amtIdExp = new BoogieIdentifierExpr(inParams[2].Name);
var guard = new BoogieBinaryOperation(BoogieBinaryOperation.Opcode.GE,
new BoogieMapSelect(new BoogieIdentifierExpr("Balance"), fromIdExp),
amtIdExp);
// call FallbackDispatch(from, to, amount)
var toIdExpr = new BoogieIdentifierExpr(inParams[1].Name);
var callStmt = new BoogieCallCmd(
fbProcName,
new List <BoogieExpr>()
{
fromIdExp, toIdExpr, amtIdExp
},
new List <BoogieIdentifierExpr>()
);
var thenBody = new BoogieStmtList();
var successIdExp = new BoogieIdentifierExpr(outParams[0].Name);
thenBody.AddStatement(callStmt);
thenBody.AddStatement(new BoogieAssignCmd(successIdExp, new BoogieLiteralExpr(true)));
var elseBody = new BoogieAssignCmd(successIdExp, new BoogieLiteralExpr(false));
return(BoogieStmtList.MakeSingletonStmtList(new BoogieIfCmd(guard, thenBody,
BoogieStmtList.MakeSingletonStmtList(elseBody))));
}
private BoogieStmtList CreateBodyOfSend(List <BoogieVariable> inParams, List <BoogieVariable> outParams, string fbProcName)
{
var fromIdExp = new BoogieIdentifierExpr(inParams[0].Name);
var amtIdExp = new BoogieIdentifierExpr(inParams[2].Name);
var guard = new BoogieBinaryOperation(BoogieBinaryOperation.Opcode.GE,
new BoogieMapSelect(new BoogieIdentifierExpr("Balance"), fromIdExp),
amtIdExp);
// call FallbackDispatch(from, to, amount)
var toIdExpr = new BoogieIdentifierExpr(inParams[1].Name);
var callStmt = new BoogieCallCmd(
fbProcName,
new List <BoogieExpr>()
{
fromIdExp, toIdExpr, amtIdExp
},
new List <BoogieIdentifierExpr>()
);
var thenBody = new BoogieStmtList();
var successIdExp = new BoogieIdentifierExpr(outParams[0].Name);
thenBody.AddStatement(new BoogieCommentCmd("---- Logic for payable function START "));
var balFrom = new BoogieMapSelect(new BoogieIdentifierExpr("Balance"), new BoogieIdentifierExpr(inParams[0].Name));
var balTo = new BoogieMapSelect(new BoogieIdentifierExpr("Balance"), new BoogieIdentifierExpr(inParams[1].Name));
var msgVal = new BoogieIdentifierExpr(inParams[2].Name);
//balance[msg.sender] = balance[msg.sender] - msg.value
thenBody.AddStatement(new BoogieAssignCmd(balFrom, new BoogieBinaryOperation(BoogieBinaryOperation.Opcode.SUB, balFrom, msgVal)));
//balance[this] = balance[this] + msg.value
thenBody.AddStatement(new BoogieAssignCmd(balTo, new BoogieBinaryOperation(BoogieBinaryOperation.Opcode.ADD, balTo, msgVal)));
thenBody.AddStatement(new BoogieCommentCmd("---- Logic for payable function END "));
thenBody.AddStatement(callStmt);
thenBody.AddStatement(new BoogieAssignCmd(successIdExp, new BoogieLiteralExpr(true)));
var elseBody = new BoogieAssignCmd(successIdExp, new BoogieLiteralExpr(false));
return(BoogieStmtList.MakeSingletonStmtList(new BoogieIfCmd(guard, thenBody,
BoogieStmtList.MakeSingletonStmtList(elseBody))));
}
