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31 Commits

Author SHA1 Message Date
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
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
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 7324176f70 Add tests for uncle timestamps and refactor timestamp type 2015-08-25 04:46:11 +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
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
Felix Lange ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Gustav Simonsson 4c490db6af Use uint64 for block header timestamp 2015-06-30 10:52:11 +02:00
Felix Lange 1d42888d30 core/types: make blocks immutable 2015-06-29 18:51:47 +02:00
obscuren 38c61f6f25 core, core/vm: added structure logging 
This also reduces the time required spend in the VM
 2015-06-10 12:23:49 +02:00
obscuren 1c872ddf4b Changed how logs are being recorded 
Logs are now recorded per transactions instead of tossing them out after
each transaction. This should also fix an issue with
`eth_getFilterLogs` (#629) Also now implemented are the `transactionHash,
blockHash, transactionIndex, logIndex` on logs. Closes #654.
 2015-04-08 17:15:45 +02:00
obscuren 3b7e4173ce Cleanup VM 2015-03-28 20:03:25 +01:00
obscuren ff9d66e096 Cleaned up changes 2015-03-24 15:23:16 +01:00
obscuren 0330077d76 moved state and vm to core 2015-03-23 16:59:09 +01:00
obscuren 0fa7859b94 Fixed VM & Tests w/ conversion 2015-03-17 13:24:25 +01:00
Felix Lange 17c5ba2b6b core: actually convert transaction pool 2015-03-17 12:16:21 +01:00
obscuren 515d9432fc converted vm 2015-03-17 11:19:23 +01:00
obscuren 94505146a2 updated vm env 2015-03-16 23:17:28 +01:00
obscuren 8ccde784f9 Added (disabled) Jit validation 2015-02-01 15:30:29 +01:00
obscuren ca1b2a1a91 Changed prev_hash to block_hash, state transition now uses vm env 
* PREVHASH => BLOCKHASH( N )
* State transition object uses VMEnv as it's query interface
* Updated vm.Enviroment has GetHash( n ) for BLOCKHASH instruction
* Added GetHash to xeth, core, utils & test environments
 2015-01-03 17:18:43 +01:00
obscuren 4dc7ee9087 Closure => Context 2015-01-02 16:14:12 +01:00
obscuren 4cd79d8ddd Refactored block & Transaction 
* Includes new rlp decoder
 2014-12-23 13:48:44 +01:00
obscuren 59ef6e3693 Cleaned up objects 2014-12-19 00:18:52 +01:00
obscuren db494170dc Created generic message (easy for testing) 2014-12-18 15:18:13 +01:00
obscuren 3043b233ea Log is now interface 2014-12-04 12:35:23 +01:00
obscuren f298ffdbb8 Renamed State => StateDB 2014-12-04 11:40:20 +01:00
obscuren 9008b155d3 Renamed `chain` => `core` 2014-12-04 10:28:02 +01:00