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* Change import go github.com/dexon-foundation/dexonWei-Ning Huang2019-04-091-1/+1
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* core/vm: faster create/create2 (#17806)Martin Holst Swende2018-10-041-14/+45
| | | | | | | | | | | | | | | | | | | | | | | | * core/vm/runtim: benchmark create/create2 * core/vm: do less hashing in CREATE2 * core/vm: avoid storing jumpdest analysis for initcode * core/vm: avoid unneccesary lookups, remove unused fields * core/vm: go formatting tests * core/vm: save jumpdest analysis locally * core/vm: use common.Hash instead of nil, fix review comments * core/vm: removed type destinations * core/vm: correct check for empty hash * eth: more elegant api_tracer * core/vm: address review concerns
* all: remove the duplicate 'the' in annotations (#17509)Wenbiao Zheng2018-08-271-1/+1
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* core: golint updates for this or self warning (#16633)kiel barry2018-05-021-7/+7
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* core, core/state, core/vm: remove exported account getters (#3618)Jeffrey Wilcke2017-02-231-11/+18
| | | | Removed exported statedb object accessors, reducing the chance for nasty bugs to creep in. It's also ugly and unnecessary to have these methods.
* params: core, core/vm, miner: 64bit gas instructionsJeffrey Wilcke2017-02-141-24/+9
| | | | | | | | | | | | | | | | | Reworked the EVM gas instructions to use 64bit integers rather than arbitrary size big ints. All gas operations, be it additions, multiplications or divisions, are checked and guarded against 64 bit integer overflows. In additon, most of the protocol paramaters in the params package have been converted to uint64 and are now constants rather than variables. * common/math: added overflow check ops * core: vmenv, env renamed to evm * eth, internal/ethapi, les: unmetered eth_call and cancel methods * core/vm: implemented big.Int pool for evm instructions * core/vm: unexported intPool methods & verification methods * core/vm: added memoryGasCost overflow check and test
* Revert "params: core, core/vm, miner: 64bit gas instructions (#3514)"Jeffrey Wilcke2017-02-131-9/+24
| | | | This reverts commit 8b57c494908637a5c0e74f8f7a13b3218e026757.
* params: core, core/vm, miner: 64bit gas instructions (#3514)Jeffrey Wilcke2017-02-021-24/+9
| | | | | | | | | | | | | | | | Reworked the EVM gas instructions to use 64bit integers rather than arbitrary size big ints. All gas operations, be it additions, multiplications or divisions, are checked and guarded against 64 bit integer overflows. In additon, most of the protocol paramaters in the params package have been converted to uint64 and are now constants rather than variables. * common/math: added overflow check ops * core: vmenv, env renamed to evm * eth, internal/ethapi, les: unmetered eth_call and cancel methods * core/vm: implemented big.Int pool for evm instructions * core/vm: unexported intPool methods & verification methods * core/vm: added memoryGasCost overflow check and test
* core, core/vm: implemented a generic environment (#3348)Jeffrey Wilcke2016-12-061-8/+5
| | | | | | | | 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.
* cmd, core, internal, light, tests: avoid hashing the code in the VMPéter Szilágyi2016-10-011-4/+7
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* all: update license informationFelix Lange2016-04-151-1/+1
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* core: Added EVM configuration optionsJeffrey Wilcke2016-03-241-3/+3
| | | | | The EVM is now initialised with an additional configured object that allows you to turn on debugging options.
* core, core/vm, crypto: fixes for homesteadJeffrey Wilcke2016-02-181-15/+29
| | | | | | * Removed some strange code that didn't apply state reverting properly * Refactored code setting from vm & state transition to the executioner * Updated tests
* parmas, crypto, core, core/vm: homestead consensus protocol changesGustav Simonsson2016-02-181-1/+15
| | | | | | | | * 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/vm: resolve circular dependency to debug vm storagePéter Szilágyi2016-01-121-0/+7
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* cmd/geth, cmd/utils, core, rpc: renamed to blockchainJeffrey Wilcke2015-10-041-2/+2
| | | | | | * Renamed ChainManager to BlockChain * Checkpointing is no longer required and never really properly worked when the state was corrupted.
* cmd/evm, core/vm, test: refactored VM and coreJeffrey Wilcke2015-10-041-0/+126
* 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`.
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