Function opcode3Dup

txscript/opcode.go:1244–1246

opcode3Dup duplicates the top 3 items on the data stack. Stack transformation: [... x1 x2 x3] -> [... x1 x2 x3 x1 x2 x3]

(op *opcode, data []byte, vm *Engine)

//
// Stack transformation: [... x1 x2 x3] -> [... x1 x2 x3 x1 x2 x3]
func opcode3Dup(op *opcode, data []byte, vm *Engine) error {
	return vm.dstack.DupN(3)
}

// opcode2Over duplicates the 2 items before the top 2 items on the data stack.
//