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core/vm: added JUMPF opcodes

This commit is contained in:
Marius van der Wijden 2024-09-26 13:52:26 +02:00
parent 026306218b
commit a58ba40cf6
1 changed files with 11 additions and 1 deletions
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12
core/vm/eof_instructions.go
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@ -105,7 +105,17 @@ func opRetf(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
// opJumpf implements the JUMPF opcode
func opJumpf(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
panic("not implemented")
var (
code = scope.Contract.CodeAt(scope.CodeSection)
idx = binary.BigEndian.Uint16(code[*pc+1:])
typ = scope.Contract.Container.types[idx]
)
if scope.Stack.len()+int(typ.maxStackHeight)-int(typ.inputs) > 1024 {
return nil, fmt.Errorf("stack overflow")
}
scope.CodeSection = uint64(idx)
*pc = uint64(math.MaxUint64)
return nil, nil
}
// opEOFCreate implements the EOFCREATE opcode