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* les: limit state ODR retrievals to the last 100 blocks (#17744)Felföldi Zsolt2018-10-011-1/+1
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* all: make indexer configurable (#17188)gary rong2018-08-281-31/+14
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* light: CHT and bloom trie indexers working in light mode (#16534)Felföldi Zsolt2018-08-161-1/+2
| | | | | | | This PR enables the indexers to work in light client mode by downloading a part of these tries (the Merkle proofs of the last values of the last known section) in order to be able to add new values and recalculate subsequent hashes. It also adds CHT data to NodeInfo.
* all: get rid of error when creating memory database (#16716)gary rong2018-05-091-2/+2
| | | | | | | | * all: get rid of error when create mdb * core: clean up variables definition * all: inline mdb definition
* core/rawdb: separate raw database access to own package (#16666)Péter Szilágyi2018-05-071-3/+8
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* core, trie: intermediate mempool between trie and database (#15857)Péter Szilágyi2018-02-061-1/+0
| | | This commit reduces database I/O by not writing every state trie to disk.
* all: switch gas limits from big.Int to uint64Péter Szilágyi2018-01-031-4/+4
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* les, light: LES/2 protocol version (#14970)Felföldi Zsolt2017-10-241-1/+10
| | | | | | | | | | | | | | | | | | This PR implements the new LES protocol version extensions: * new and more efficient Merkle proofs reply format (when replying to a multiple Merkle proofs request, we just send a single set of trie nodes containing all necessary nodes) * BBT (BloomBitsTrie) works similarly to the existing CHT and contains the bloombits search data to speed up log searches * GetTxStatusMsg returns the inclusion position or the pending/queued/unknown state of a transaction referenced by hash * an optional signature of new block data (number/hash/td) can be included in AnnounceMsg to provide an option for "very light clients" (mobile/embedded devices) to skip expensive Ethash check and accept multiple signatures of somewhat trusted servers (still a lot better than trusting a single server completely and retrieving everything through RPC). The new client mode is not implemented in this PR, just the protocol extension.
* core: implement Metropolis EIP 658, receipt status byterjl4934564422017-08-221-2/+2
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* core/state: access trie through Database interface, track errors (#14589)Felix Lange2017-06-271-31/+22
| | | | | | | | | With this commit, core/state's access to the underlying key/value database is mediated through an interface. Database errors are tracked in StateDB and returned by CommitTo or the new Error method. Motivation for this change: We can remove the light client's duplicated copy of core/state. The light client now supports node iteration, so tracing and storage enumeration can work with the light client (not implemented in this commit).
* les: code refactoring (#14416)Felföldi Zsolt2017-06-211-11/+17
| | | | | | | | | | | | This commit does various code refactorings: - generalizes and moves the request retrieval/timeout/resend logic out of LesOdr (will be used by a subsequent PR) - reworks the peer management logic so that all services can register with peerSet to get notified about added/dropped peers (also gets rid of the ugly getAllPeers callback in requestDistributor) - moves peerSet, LesOdr, requestDistributor and retrieveManager initialization out of ProtocolManager because I believe they do not really belong there and the whole init process was ugly and ad-hoc
* consensus, core, ethstats: use engine specific block beneficiary (#14318)Péter Szilágyi2017-04-121-2/+2
| | | | | | * consensus, core, ethstats: use engine specific block beneficiary * core, eth, les, miner: use explicit beneficiary during mining
* all: import "context" instead of "golang.org/x/net/context"Felix Lange2017-03-231-2/+5
| | | | | | | | | | There is no need to depend on the old context package now that the minimum Go version is 1.7. The move to "context" eliminates our weird vendoring setup. Some vendored code still uses golang.org/x/net/context and it is now vendored in the normal way. This change triggered new vet checks around context.WithTimeout which didn't fire with golang.org/x/net/context.
* les: implement request distributor, fix blocking issues (#3660)Felföldi Zsolt2017-03-231-0/+3
| | | | | * les: implement request distributor, fix blocking issues * core: moved header validation before chain mutex lock
* common: move big integer math to common/math (#3699)Felix Lange2017-02-271-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
* les: fixed selectPeer deadlock, improved request distributionZsolt Felfoldi2017-01-061-4/+5
| | | | les/flowcontrol: using proper types for relative and absolute times
* core/vm: improved EVM run loop & instruction calling (#3378)Jeffrey Wilcke2017-01-051-2/+2
| | | | | | | | | | | | | | | The run loop, which previously contained custom opcode executes have been removed and has been simplified to a few checks. Each operation consists of 4 elements: execution function, gas cost function, stack validation function and memory size function. The execution function implements the operation's runtime behaviour, the gas cost function implements the operation gas costs function and greatly depends on the memory and stack, the stack validation function validates the stack and makes sure that enough items can be popped off and pushed on and the memory size function calculates the memory required for the operation and returns it. This commit also allows the EVM to go unmetered. This is helpful for offline operations such as contract calls.
* les: improved header fetcher and server statisticsZsolt Felfoldi2016-12-101-3/+5
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* core, core/vm: implemented a generic environment (#3348)Jeffrey Wilcke2016-12-061-3/+12
| | | | | | | | 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/types: turn off nonce checking for Call messagesZsolt Felfoldi2016-11-141-2/+2
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* core/types, params: EIP#155Jeffrey Wilcke2016-11-131-54/+5
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* core, core/state, trie: EIP158, reprice & skip empty account writeJeffrey Wilcke2016-11-131-7/+9
| | | | | | | | | | | | | | | 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>
* all: update license informationFelix Lange2016-11-091-0/+16
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* core/types: remove header accessorsFelix Lange2016-11-091-1/+1
| | | | | | These accessors were introduced by light client changes, but the only method that is actually used is GetNumberU64. This commit replaces all uses of .GetNumberU64 with .Number.Uint64.
* les: light client protocol and APIZsolt Felfoldi2016-11-091-0/+222