From 361082ec4b942aea7c01fcb1be1782cb68b6fe3a Mon Sep 17 00:00:00 2001 From: Jeffrey Wilcke Date: Sun, 30 Aug 2015 10:19:10 +0200 Subject: cmd/evm, core/vm, test: refactored VM and core * Moved `vm.Transfer` to `core` package and changed execution to call `env.Transfer` instead of `core.Transfer` directly. * core/vm: byte code VM moved to jump table instead of switch * Moved `vm.Transfer` to `core` package and changed execution to call `env.Transfer` instead of `core.Transfer` directly. * Byte code VM now shares the same code as the JITVM * Renamed Context to Contract * Changed initialiser of state transition & unexported methods * Removed the Execution object and refactor `Call`, `CallCode` & `Create` in to their own functions instead of being methods. * Removed the hard dep on the state for the VM. The VM now depends on a Database interface returned by the environment. In the process the core now depends less on the statedb by usage of the env * Moved `Log` from package `core/state` to package `core/vm`. --- core/vm/doc.go | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 core/vm/doc.go (limited to 'core/vm/doc.go') diff --git a/core/vm/doc.go b/core/vm/doc.go new file mode 100644 index 000000000..4deb7761d --- /dev/null +++ b/core/vm/doc.go @@ -0,0 +1,32 @@ +// Copyright 2014 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 implements the Ethereum Virtual Machine. + +The vm package implements two EVMs, a byte code VM and a JIT VM. The BC +(Byte Code) VM loops over a set of bytes and executes them according to a set +of rules defined in the Ethereum yellow paper. When the BC VM is invokes it +invokes the JIT VM in a seperate goroutine and compiles the byte code in JIT +instructions. + +The JIT VM, when invoked, loops around a set of pre-defined instructions until +it either runs of gas, causes an internel error, returns or stops. At a later +stage the JIT VM will see some additional features that will cause sets of +instructions to be compiled down to segments. Segments are sets of instructions +that can be ran in one go saving precious time during execution. +*/ +package vm -- cgit v1.2.3 From 7c7692933c21b77328a94eed714f66c276776197 Mon Sep 17 00:00:00 2001 From: Jeffrey Wilcke Date: Mon, 31 Aug 2015 17:09:50 +0200 Subject: cmd/geth, cmd/utils, core, rpc: renamed to blockchain * Renamed ChainManager to BlockChain * Checkpointing is no longer required and never really properly worked when the state was corrupted. --- core/vm/doc.go | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'core/vm/doc.go') diff --git a/core/vm/doc.go b/core/vm/doc.go index 4deb7761d..ab87bf934 100644 --- a/core/vm/doc.go +++ b/core/vm/doc.go @@ -18,15 +18,15 @@ Package vm implements the Ethereum Virtual Machine. The vm package implements two EVMs, a byte code VM and a JIT VM. The BC -(Byte Code) VM loops over a set of bytes and executes them according to a set -of rules defined in the Ethereum yellow paper. When the BC VM is invokes it +(Byte Code) VM loops over a set of bytes and executes them according to the set +of rules defined in the Ethereum yellow paper. When the BC VM is invoked it invokes the JIT VM in a seperate goroutine and compiles the byte code in JIT instructions. The JIT VM, when invoked, loops around a set of pre-defined instructions until -it either runs of gas, causes an internel error, returns or stops. At a later +it either runs of gas, causes an internal error, returns or stops. At a later stage the JIT VM will see some additional features that will cause sets of instructions to be compiled down to segments. Segments are sets of instructions -that can be ran in one go saving precious time during execution. +that can be run in one go saving precious time during execution. */ package vm -- cgit v1.2.3