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* core, core/vm: implemented a generic environment (#3348)Jeffrey Wilcke2016-12-061-25/+4
| | | | | | | | Environment is now a struct (not an interface). This reduces a lot of tech-debt throughout the codebase where a virtual machine environment had to be implemented in order to test or run it. The new environment is suitable to be used en the json tests, core consensus and light client.
* core, core/state: fixed consensus issue added touch revertJeffrey Wilcke2016-11-251-1/+1
| | | | | Implemented proper touch revert journal entries and copied a Parity consensus bug in order to remain in sync with the current longest chain.
* core/types: turn off nonce checking for Call messagesZsolt Felfoldi2016-11-141-1/+1
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* core/types, params: EIP#155Jeffrey Wilcke2016-11-131-1/+2
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* tests: added new EIP158 testsJeffrey Wilcke2016-11-131-2/+7
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* core, core/state, trie: EIP158, reprice & skip empty account writeJeffrey Wilcke2016-11-131-16/+17
| | | | | | | | | | | | | | | This commit implements EIP158 part 1, 2, 3 & 4 1. If an account is empty it's no longer written to the trie. An empty account is defined as (balance=0, nonce=0, storage=0, code=0). 2. Delete an empty account if it's touched 3. An empty account is redefined as either non-existent or empty. 4. Zero value calls and zero value suicides no longer consume the 25k reation costs. params: moved core/config to params Signed-off-by: Jeffrey Wilcke <jeffrey@ethereum.org>
* Merge pull request #3094 from fjl/tests-updateFelix Lange2016-10-061-1/+8
|\ | | | | tests: update test files from github.com/ethereum/tests @ 45bc1d21d3c1
| * tests: update test files from github.com/ethereum/tests @ 45bc1d21d3c1Felix Lange2016-10-061-1/+8
| | | | | | | | | | | | Two new tests are skipped because they're buggy. Making some newer random state tests work required implementing the 'compressed return value encoding'.
* | core/state: implement reverts by journaling all changesFelix Lange2016-10-061-18/+4
|/ | | | | | | | | | This commit replaces the deep-copy based state revert mechanism with a linear complexity journal. This commit also hides several internal StateDB methods to limit the number of ways in which calling code can use the journal incorrectly. As usual consultation and bug fixes to the initial implementation were provided by @karalabe, @obscuren and @Arachnid. Thank you!
* core/state: track all accounts in canon stateFelix Lange2016-09-261-3/+3
| | | | | This change introduces a global, per-state cache that keeps account data in the canon state. Thanks to @karalabe for lots of fixes.
* all: update license informationFelix Lange2016-04-151-1/+1
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* core: added basic chain configurationJeffrey Wilcke2016-04-011-22/+14
| | | | | | | | | Added chain configuration options and write out during genesis database insertion. If no "config" was found, nothing is written to the database. Configurations are written on a per genesis base. This means that any chain (which is identified by it's genesis hash) can have their own chain settings.
* core: Added EVM configuration optionsJeffrey Wilcke2016-03-241-1/+0
| | | | | The EVM is now initialised with an additional configured object that allows you to turn on debugging options.
* tests: updated homestead testsJeffrey Wilcke2016-02-181-3/+3
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* parmas, crypto, core, core/vm: homestead consensus protocol changesGustav Simonsson2016-02-181-7/+10
| | | | | | | | * 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
* core, core/state: move gas tracking out of core/stateFelix Lange2015-10-171-5/+3
| | | | | | | The amount of gas available for tx execution was tracked in the StateObject representing the coinbase account. This commit makes the gas counter a separate type in package core, which avoids unintended consequences of intertwining the counter with state logic.
* core/state, core, miner: handle missing root error from state.NewGustav Simonsson2015-10-161-2/+2
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* cmd/evm, core/vm, test: refactored VM and coreJeffrey Wilcke2015-10-041-2/+2
| | | | | | | | | | | | | | | | | * 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`.
* Merge pull request #1405 from fjl/lean-trieJeffrey Wilcke2015-10-011-4/+4
|\ | | | | core, trie: new trie
| * core, core/state: batch-based state syncFelix Lange2015-09-231-4/+4
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* | tests: add test for StateTests/stCallCodes.jsonGustav Simonsson2015-09-211-1/+2
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* tests: update common test wrappers and test filesGustav Simonsson2015-09-181-3/+0
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* cmd/evm, core/vm, tests: changed DisableVm to EnableVmJeffrey Wilcke2015-08-121-3/+3
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* core/vm, tests: implemented semi-jit vmJeffrey Wilcke2015-08-071-0/+56
| | | | * changed stack and removed stack ptr. Let go decide on slice reuse.
* all: fix license headers one more timeFelix Lange2015-07-241-1/+1
| | | | I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
* all: update license headers to distiguish GPL/LGPLFelix Lange2015-07-231-4/+4
| | | | | All code outside of cmd/ is licensed as LGPL. The headers now reflect this by calling the whole work "the go-ethereum library".
* all: update license informationFelix Lange2015-07-071-0/+16
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* cmd,eth,rpc,tests: default coinbaseJeffrey Wilcke2015-07-071-9/+11
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* core, miner, tests: renamed state methodsJeffrey Wilcke2015-07-041-1/+1
| | | | | | | | | | | | * Update => SyncIntermediate * Added SyncObjects SyncIntermediate only updates whatever has changed, but, as a side effect, requires much more disk space. SyncObjects will only sync whatever is required for a block and will not save intermediate state to disk. As drawback this requires more time when more txs come in.
* tests: SetGasLimitobscuren2015-06-211-1/+1
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* Add --skip option to CLITaylor Gerring2015-06-191-7/+7
| | | | | Disassociates hardcoded tests to skip when running via CLI. Tests still skipped when running `go test`
* recover test logicTaylor Gerring2015-06-191-1/+1
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* Build error fixesTaylor Gerring2015-06-191-5/+4
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* Add stdin optionTaylor Gerring2015-06-191-66/+100
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* Cleanup loggingTaylor Gerring2015-06-191-2/+3
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* DRY file loadingTaylor Gerring2015-06-191-7/+1
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* More consistent test interfaces + test skippingTaylor Gerring2015-06-191-18/+18
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* Cleanup/reorgTaylor Gerring2015-06-191-38/+1
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* Return error up stack instead of passing testing var downTaylor Gerring2015-06-191-11/+12
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* DRY log checkTaylor Gerring2015-06-191-32/+40
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* Separate and identify tests runnersTaylor Gerring2015-06-191-0/+181
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