diff options
| -rw-r--r-- | LICENSE | 16 | ||||
| -rw-r--r-- | node/go.mod | 5 | ||||
| -rw-r--r-- | node/go.sum | 2 | ||||
| -rw-r--r-- | node/node.go | 15 | ||||
| -rw-r--r-- | node/stack.go | 32 |
5 files changed, 70 insertions, 0 deletions
@@ -0,0 +1,16 @@ +ISC License + +Copyright (c) 2023 Stefan Weigl-Bosker <stefan@s00.xyz> + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH +REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, +INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. + diff --git a/node/go.mod b/node/go.mod new file mode 100644 index 0000000..725da6d --- /dev/null +++ b/node/go.mod @@ -0,0 +1,5 @@ +module s00.xyz/evm + +go 1.20 + +require github.com/holiman/uint256 v1.2.2 // indirect diff --git a/node/go.sum b/node/go.sum new file mode 100644 index 0000000..e0f03a0 --- /dev/null +++ b/node/go.sum @@ -0,0 +1,2 @@ +github.com/holiman/uint256 v1.2.2 h1:TXKcSGc2WaxPD2+bmzAsVthL4+pEN0YwXcL5qED83vk= +github.com/holiman/uint256 v1.2.2/go.mod h1:SC8Ryt4n+UBbPbIBKaG9zbbDlp4jOru9xFZmPzLUTxw= diff --git a/node/node.go b/node/node.go new file mode 100644 index 0000000..18640e9 --- /dev/null +++ b/node/node.go @@ -0,0 +1,15 @@ +package main + +import ( + "fmt" + + "github.com/holiman/uint256" +) + +func main() { + s := NewStack() + x, _ := uint256.FromHex("0xfeedface") + s.Push(x) + y := s.Pop() + fmt.Println(y.String()) +} diff --git a/node/stack.go b/node/stack.go new file mode 100644 index 0000000..a5460a7 --- /dev/null +++ b/node/stack.go @@ -0,0 +1,32 @@ +package main + +import ( + "log" + + "github.com/holiman/uint256" +) + +const STACK_CAP = (1 << 10) + +type Stack []uint256.Int + +func NewStack() *Stack { + return &Stack{} +} + +func (s *Stack) Push(x *uint256.Int) { + *s = append(*s, *x) + if len(*s) > STACK_CAP { + log.Fatal("stack overflow") + } +} + +func (s *Stack) Pop() *uint256.Int { + if len(*s) <= 0 { + log.Fatal("stack underflow") + } + + r := (*s)[len(*s)-1] + *s = (*s)[:len(*s)-1] + return &r +} |