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87 Commits

Author SHA1 Message Date
Jeffrey Wilcke b6d88a0e9f core, core/vm, crypto: fixes for homestead 
* Removed some strange code that didn't apply state reverting properly
* Refactored code setting from vm & state transition to the executioner
* Updated tests
 2016-02-18 10:11:48 +01:00
Gustav Simonsson 371871d685 parmas, crypto, core, core/vm: homestead consensus protocol changes 
* change gas cost for contract creating txs
* invalidate signature with s value greater than secp256k1 N / 2
* OOG contract creation if not enough gas to store code
* new difficulty adjustment algorithm
* new DELEGATECALL op code
 2016-02-18 10:08:11 +01:00
Jeffrey Wilcke 6cace73bea core/vm/runtime: simplified runtime calling mechanism 
Implemented `runtime.Call` which uses - unlike Execute - the given state
for the execution and the address of the contract you wish to execute.
Unlike `Execute`, `Call` requires a config.
 2016-02-11 10:17:16 +01:00
Peter Pratscher 15780ead07 core/vm, rpc/api: renamed to debug.replayTransaction, migrated to new RPC, integrated feedback 
Integrated code review suggestions

Integrated last review comments
 2016-02-02 15:20:18 +01:00
Péter Szilágyi 752c75fb21 core/vm: resolve circular dependency to debug vm storage 2016-01-11 18:21:39 +02:00
Bas van Kervel eae81465c1 rpc: new RPC implementation with pub/sub support 2015-12-14 16:34:05 +01:00
Jeffrey Wilcke 1372b991c3 core/vm/runtime: added simple execution runtime 
The runtime environment can be used for simple basic execution of
contract code without the requirement of setting up a full stack and
operates fully in memory.
 2015-11-18 16:50:20 +01:00
Jeffrey Wilcke 58d0752fdd Merge pull request #1883 from obscuren/jit-vm-optimisations 
core/vm: JIT segmentation
 2015-10-21 12:34:32 -07:00
Jeffrey Wilcke 0467a6ceec Merge pull request #1889 from karalabe/fast-sync-rebase 
eth/63 fast synchronization algorithm
 2015-10-21 11:44:22 -07:00
Péter Szilágyi 5b0ee8ec30 core, eth, trie: fix data races and merge/review issues 2015-10-21 16:49:55 +03:00
Jeffrey Wilcke 80f26086ee core, tests: get_hash fix 
Make sure that we're fetching the hash from the current chain and not
the canonical chain.
 2015-10-21 02:31:46 +02:00
Péter Szilágyi 832b37c822 core, eth: receipt chain reconstruction 2015-10-19 10:03:09 +03:00
Péter Szilágyi 42c8afd440 core: differentiate receipt concensus and storage decoding 2015-10-19 10:03:09 +03:00
Jeffrey Wilcke 8c85532412 core/vm: added parsing utilities 2015-10-16 22:30:42 +02:00
Jeffrey Wilcke b196278044 core/vm: added JIT segmenting / optimisations 
* multi-push segments
* static jumps segments
 2015-10-16 22:30:42 +02:00
Jeffrey Wilcke 9d61d78de6 core/vm: abstracted instruction execution away from JIT 
Moved the execution of instructions to the instruction it self. This
will allow for specialised instructions (e.g. segments) to be execution
in the same manner as regular instructions.
 2015-10-16 22:17:35 +02:00
Péter Szilágyi af9afb686b core/vm: copy stack element to prevent overwrites 2015-10-12 00:14:35 +03:00
Gustav Simonsson e1616f77c7 core, core/vm, cmd/evm: remove redundant balance check 2015-10-06 12:42:34 +02:00
Jeffrey Wilcke 7c7692933c 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.
 2015-10-04 01:13:56 +02:00
Jeffrey Wilcke 361082ec4b 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`.
 2015-10-04 01:13:54 +02:00
Gustav Simonsson b81a6e6ab8 core, core/vm, core/state: remove unused functions 2015-09-10 21:10:58 +02:00
Gustav Simonsson 7324176f70 Add tests for uncle timestamps and refactor timestamp type 2015-08-25 04:46:11 +02:00
Jeffrey Wilcke 9cacec70f9 cmd/evm, core/vm, tests: changed DisableVm to EnableVm 2015-08-11 18:43:22 +02:00
Jeffrey Wilcke 32395ddb89 core/vm: fixed jit error & added inline docs 
opNumber did not create a new big int which could lead to the block's
number being modified.
 2015-08-11 00:16:38 +02:00
Jeffrey Wilcke eec38c5853 cmd/geth, core/vm: setup vm settings and defaulted JIT disabled 2015-08-09 02:06:16 +02:00
Jeffrey Wilcke ac697326a6 core/vm: reduced big int allocations 
Reduced big int allocation by making stack items modifiable. Instead of
adding items such as `common.Big0` to the stack, `new(big.Int)` is
added instead. One must expect that any item that is added to the stack
might change.
 2015-08-07 12:52:23 +02:00
Jeffrey Wilcke 184e9ae9a8 core, tests: reduced state copy by N calls 
Reduced the amount of state copied that are required by N calls by doing
a balance check prior to any state modifications.
 2015-08-07 12:52:23 +02:00
Jeffrey Wilcke 846f34f78b core/vm, tests: implemented semi-jit vm 
* changed stack and removed stack ptr. Let go decide on slice reuse.
 2015-08-07 12:52:17 +02:00
Felix Lange bfbcfbe4a9 all: fix license headers one more time 
I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
 2015-07-23 18:35:11 +02:00
Felix Lange 3f047be5aa all: update license headers to distiguish GPL/LGPL 
All code outside of cmd/ is licensed as LGPL. The headers
now reflect this by calling the whole work "the go-ethereum library".
 2015-07-22 18:51:45 +02:00
Jeffrey Wilcke 8b5a65c14a core/vm: added str to op 2015-07-09 17:08:33 +02:00
Felix Lange 4fb28e0dab all: goimports -w 2015-07-07 14:12:45 +02:00
Felix Lange bdae4fd573 all: add some godoc synopsis comments 2015-07-07 14:12:45 +02:00
Felix Lange ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Jeffrey Wilcke e6bb9c1cad core, miner: removed vm errors from consensus err checking 
Removed VM errors from the consensus errors. They now used for output
only.
 2015-07-06 12:43:05 +02:00
Gustav Simonsson 0f04af5916 Fix core error forwarding, unify OOG VM err 2015-07-04 09:27:42 +02:00
Gustav Simonsson 4c490db6af Use uint64 for block header timestamp 2015-06-30 10:52:11 +02:00
obscuren 430bcdb219 core/vm: clarified SSTORE 2015-06-18 12:25:02 +02:00
obscuren f5abc9f188 core, core/vm: state improvements and tx pool speed up 
Removed full tx validation during state transitions
 2015-06-17 17:10:22 +02:00
obscuren 753d62a4dd core: TMP testing code 2015-06-17 17:10:13 +02:00
obscuren 787a61bb27 core/state, core/vm: reworked storage get / set to use common.Hash 2015-06-17 11:24:40 +02:00
obscuren 5721fcf668 core/state, core/vm: cleanup refunds 2015-06-17 10:20:33 +02:00
obscuren 287f990891 core/vm: Improved error reporting for trace logging 2015-06-12 13:35:14 +02:00
obscuren 02d629af8f core/vm: fixed printable characters using unicode instead 2015-06-12 11:18:17 +02:00
obscuren f599a1b5f1 core/vm: added a comment regarding the uint64 vs *big.Int 2015-06-11 11:59:30 +02:00
obscuren e7627623b9 core/vm: reverse loop stack 2015-06-10 21:08:54 +02:00
obscuren f94c5473ad core/vm: fixed a bug where `Data` ignored the stack ptr 2015-06-10 21:08:04 +02:00
obscuren 10af69b57c core, core/vm: moved logger and added gas cost to struct logging 2015-06-10 19:56:40 +02:00
obscuren fc2a061d51 core/vm: unexported stack again. No longer required 2015-06-10 17:47:36 +02:00
obscuren 065aff9ffa core/vm: documentation and name changes 2015-06-10 17:47:36 +02:00