From d235e2c6a5788ec4a6cff15a16f56b38a3876a0d Mon Sep 17 00:00:00 2001 From: Determinant Date: Sun, 28 Jun 2020 14:47:41 -0400 Subject: ... --- core/vm/memory_table.go | 113 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 core/vm/memory_table.go (limited to 'core/vm/memory_table.go') diff --git a/core/vm/memory_table.go b/core/vm/memory_table.go new file mode 100644 index 0000000..4fcb414 --- /dev/null +++ b/core/vm/memory_table.go @@ -0,0 +1,113 @@ +// Copyright 2017 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +package vm + +func memorySha3(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(1)) +} + +func memoryCallDataCopy(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(2)) +} + +func memoryReturnDataCopy(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(2)) +} + +func memoryCodeCopy(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(2)) +} + +func memoryExtCodeCopy(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(1), stack.Back(3)) +} + +func memoryMLoad(stack *Stack) (uint64, bool) { + return calcMemSize64WithUint(stack.Back(0), 32) +} + +func memoryMStore8(stack *Stack) (uint64, bool) { + return calcMemSize64WithUint(stack.Back(0), 1) +} + +func memoryMStore(stack *Stack) (uint64, bool) { + return calcMemSize64WithUint(stack.Back(0), 32) +} + +func memoryCreate(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(1), stack.Back(2)) +} + +func memoryCreate2(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(1), stack.Back(2)) +} + +func memoryCall(stack *Stack) (uint64, bool) { + x, overflow := calcMemSize64(stack.Back(5), stack.Back(6)) + if overflow { + return 0, true + } + y, overflow := calcMemSize64(stack.Back(3), stack.Back(4)) + if overflow { + return 0, true + } + if x > y { + return x, false + } + return y, false +} +func memoryDelegateCall(stack *Stack) (uint64, bool) { + x, overflow := calcMemSize64(stack.Back(4), stack.Back(5)) + if overflow { + return 0, true + } + y, overflow := calcMemSize64(stack.Back(2), stack.Back(3)) + if overflow { + return 0, true + } + if x > y { + return x, false + } + return y, false +} + +func memoryStaticCall(stack *Stack) (uint64, bool) { + x, overflow := calcMemSize64(stack.Back(4), stack.Back(5)) + if overflow { + return 0, true + } + y, overflow := calcMemSize64(stack.Back(2), stack.Back(3)) + if overflow { + return 0, true + } + if x > y { + return x, false + } + return y, false +} + +func memoryReturn(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(1)) +} + +func memoryRevert(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(1)) +} + +func memoryLog(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(1)) +} -- cgit v1.2.3 From ca6847998d867dc5d66e76a03bda9c72ae8d287b Mon Sep 17 00:00:00 2001 From: Determinant Date: Thu, 2 Jul 2020 01:36:18 -0400 Subject: make MultiCoin.transfer work --- core/vm/memory_table.go | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'core/vm/memory_table.go') diff --git a/core/vm/memory_table.go b/core/vm/memory_table.go index 4fcb414..047f610 100644 --- a/core/vm/memory_table.go +++ b/core/vm/memory_table.go @@ -70,6 +70,22 @@ func memoryCall(stack *Stack) (uint64, bool) { } return y, false } + +func memoryCallExpert(stack *Stack) (uint64, bool) { + x, overflow := calcMemSize64(stack.Back(7), stack.Back(8)) + if overflow { + return 0, true + } + y, overflow := calcMemSize64(stack.Back(5), stack.Back(6)) + if overflow { + return 0, true + } + if x > y { + return x, false + } + return y, false +} + func memoryDelegateCall(stack *Stack) (uint64, bool) { x, overflow := calcMemSize64(stack.Back(4), stack.Back(5)) if overflow { -- cgit v1.2.3